/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec27_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:51:17,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:51:17,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:51:17,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:51:17,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:51:17,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:51:17,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:51:17,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:51:17,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:51:17,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:51:17,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:51:17,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:51:17,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:51:17,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:51:17,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:51:17,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:51:17,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:51:17,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:51:17,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:51:17,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:51:17,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:51:17,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:51:17,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:51:17,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:51:17,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:51:17,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:51:17,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:51:17,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:51:17,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:51:17,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:51:17,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:51:17,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:51:17,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:51:17,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:51:17,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:51:17,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:51:17,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:51:17,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:51:17,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:51:17,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:51:17,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:51:17,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:51:17,357 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:51:17,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:51:17,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:51:17,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:51:17,362 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:51:17,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:51:17,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:51:17,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:51:17,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:51:17,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:51:17,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:51:17,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:51:17,365 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:51:17,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:51:17,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:51:17,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:51:17,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:51:17,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:51:17,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:51:17,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:51:17,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:51:17,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:51:17,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:51:17,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:51:17,367 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:51:17,367 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:51:17,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:51:17,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:51:17,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:51:17,897 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:51:17,900 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:51:17,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product19.cil.c [2020-12-23 08:51:17,984 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9d2c360b0/3196d43fcd94444fa8d58a812c90a510/FLAG65eac9d8d [2020-12-23 08:51:18,872 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:51:18,873 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product19.cil.c [2020-12-23 08:51:18,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9d2c360b0/3196d43fcd94444fa8d58a812c90a510/FLAG65eac9d8d [2020-12-23 08:51:18,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9d2c360b0/3196d43fcd94444fa8d58a812c90a510 [2020-12-23 08:51:18,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:51:18,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:51:18,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:51:18,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:51:18,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:51:18,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:51:18" (1/1) ... [2020-12-23 08:51:18,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c5050f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:18, skipping insertion in model container [2020-12-23 08:51:18,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:51:18" (1/1) ... [2020-12-23 08:51:19,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:51:19,107 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] [2020-12-23 08:51:19,659 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product19.cil.c[17438,17451] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2020-12-23 08:51:19,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:51:19,937 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] [2020-12-23 08:51:20,059 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product19.cil.c[17438,17451] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2020-12-23 08:51:20,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:51:20,385 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:51:20,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:20 WrapperNode [2020-12-23 08:51:20,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:51:20,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:51:20,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:51:20,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:51:20,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:20" (1/1) ... [2020-12-23 08:51:20,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:20" (1/1) ... [2020-12-23 08:51:20,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:51:20,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:51:20,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:51:20,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:51:20,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:20" (1/1) ... [2020-12-23 08:51:20,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:20" (1/1) ... [2020-12-23 08:51:20,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:20" (1/1) ... [2020-12-23 08:51:20,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:20" (1/1) ... [2020-12-23 08:51:20,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:20" (1/1) ... [2020-12-23 08:51:20,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:20" (1/1) ... [2020-12-23 08:51:20,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:20" (1/1) ... [2020-12-23 08:51:20,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:51:20,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:51:20,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:51:20,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:51:20,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:51:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:51:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:51:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:51:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:51:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:51:23,159 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:51:23,159 INFO L299 CfgBuilder]: Removed 303 assume(true) statements. [2020-12-23 08:51:23,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:51:23 BoogieIcfgContainer [2020-12-23 08:51:23,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:51:23,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:51:23,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:51:23,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:51:23,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:51:18" (1/3) ... [2020-12-23 08:51:23,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de29565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:51:23, skipping insertion in model container [2020-12-23 08:51:23,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:20" (2/3) ... [2020-12-23 08:51:23,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de29565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:51:23, skipping insertion in model container [2020-12-23 08:51:23,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:51:23" (3/3) ... [2020-12-23 08:51:23,173 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product19.cil.c [2020-12-23 08:51:23,180 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:51:23,186 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:51:23,220 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:51:23,253 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:51:23,253 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:51:23,253 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:51:23,254 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:51:23,254 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:51:23,254 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:51:23,254 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:51:23,254 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:51:23,282 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states. [2020-12-23 08:51:23,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 08:51:23,297 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:23,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:23,299 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:23,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:23,305 INFO L82 PathProgramCache]: Analyzing trace with hash -167129029, now seen corresponding path program 1 times [2020-12-23 08:51:23,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:23,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992513644] [2020-12-23 08:51:23,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:23,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:23,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992513644] [2020-12-23 08:51:23,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:23,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:23,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691788820] [2020-12-23 08:51:23,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:23,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:23,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:23,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:23,762 INFO L87 Difference]: Start difference. First operand 467 states. Second operand 3 states. [2020-12-23 08:51:23,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:23,986 INFO L93 Difference]: Finished difference Result 1366 states and 2378 transitions. [2020-12-23 08:51:23,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:23,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 08:51:23,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:24,031 INFO L225 Difference]: With dead ends: 1366 [2020-12-23 08:51:24,031 INFO L226 Difference]: Without dead ends: 842 [2020-12-23 08:51:24,043 INFO L677 BasicCegarLoop]: 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 [2020-12-23 08:51:24,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2020-12-23 08:51:24,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 430. [2020-12-23 08:51:24,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-12-23 08:51:24,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 747 transitions. [2020-12-23 08:51:24,142 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 747 transitions. Word has length 48 [2020-12-23 08:51:24,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:24,142 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 747 transitions. [2020-12-23 08:51:24,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:24,143 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 747 transitions. [2020-12-23 08:51:24,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 08:51:24,147 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:24,148 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:24,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:51:24,148 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:24,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:24,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1311500302, now seen corresponding path program 1 times [2020-12-23 08:51:24,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:24,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061554742] [2020-12-23 08:51:24,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:24,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:24,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061554742] [2020-12-23 08:51:24,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:24,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:24,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2884284] [2020-12-23 08:51:24,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:24,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:24,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:24,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:24,319 INFO L87 Difference]: Start difference. First operand 430 states and 747 transitions. Second operand 5 states. [2020-12-23 08:51:24,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:24,571 INFO L93 Difference]: Finished difference Result 1239 states and 2157 transitions. [2020-12-23 08:51:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:51:24,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 08:51:24,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:24,579 INFO L225 Difference]: With dead ends: 1239 [2020-12-23 08:51:24,579 INFO L226 Difference]: Without dead ends: 828 [2020-12-23 08:51:24,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:51:24,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-12-23 08:51:24,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 430. [2020-12-23 08:51:24,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-12-23 08:51:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 746 transitions. [2020-12-23 08:51:24,660 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 746 transitions. Word has length 50 [2020-12-23 08:51:24,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:24,662 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 746 transitions. [2020-12-23 08:51:24,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:24,663 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 746 transitions. [2020-12-23 08:51:24,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 08:51:24,665 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:24,666 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:24,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:51:24,666 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:24,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:24,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1098779109, now seen corresponding path program 1 times [2020-12-23 08:51:24,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:24,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544904859] [2020-12-23 08:51:24,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:24,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:24,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544904859] [2020-12-23 08:51:24,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:24,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:24,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165977300] [2020-12-23 08:51:24,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:24,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:24,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:24,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:24,857 INFO L87 Difference]: Start difference. First operand 430 states and 746 transitions. Second operand 3 states. [2020-12-23 08:51:24,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:24,935 INFO L93 Difference]: Finished difference Result 842 states and 1466 transitions. [2020-12-23 08:51:24,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:24,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 08:51:24,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:24,941 INFO L225 Difference]: With dead ends: 842 [2020-12-23 08:51:24,941 INFO L226 Difference]: Without dead ends: 435 [2020-12-23 08:51:24,942 INFO L677 BasicCegarLoop]: 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 [2020-12-23 08:51:24,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-12-23 08:51:24,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 430. [2020-12-23 08:51:24,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-12-23 08:51:24,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 745 transitions. [2020-12-23 08:51:24,972 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 745 transitions. Word has length 51 [2020-12-23 08:51:24,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:24,981 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 745 transitions. [2020-12-23 08:51:24,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:24,981 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 745 transitions. [2020-12-23 08:51:24,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 08:51:24,986 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:24,986 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:24,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:51:24,987 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:24,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:24,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1661226655, now seen corresponding path program 1 times [2020-12-23 08:51:24,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:24,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230703900] [2020-12-23 08:51:24,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:25,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:25,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230703900] [2020-12-23 08:51:25,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:25,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:25,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604983722] [2020-12-23 08:51:25,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:25,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:25,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:25,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:25,098 INFO L87 Difference]: Start difference. First operand 430 states and 745 transitions. Second operand 3 states. [2020-12-23 08:51:25,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:25,142 INFO L93 Difference]: Finished difference Result 852 states and 1479 transitions. [2020-12-23 08:51:25,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:25,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-23 08:51:25,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:25,146 INFO L225 Difference]: With dead ends: 852 [2020-12-23 08:51:25,146 INFO L226 Difference]: Without dead ends: 430 [2020-12-23 08:51:25,148 INFO L677 BasicCegarLoop]: 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 [2020-12-23 08:51:25,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-12-23 08:51:25,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2020-12-23 08:51:25,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-12-23 08:51:25,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 743 transitions. [2020-12-23 08:51:25,171 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 743 transitions. Word has length 52 [2020-12-23 08:51:25,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:25,172 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 743 transitions. [2020-12-23 08:51:25,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:25,172 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 743 transitions. [2020-12-23 08:51:25,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 08:51:25,174 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:25,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:25,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:51:25,174 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:25,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:25,175 INFO L82 PathProgramCache]: Analyzing trace with hash -755664714, now seen corresponding path program 1 times [2020-12-23 08:51:25,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:25,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774264283] [2020-12-23 08:51:25,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:25,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774264283] [2020-12-23 08:51:25,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:25,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:25,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125842213] [2020-12-23 08:51:25,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:25,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:25,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:25,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:25,265 INFO L87 Difference]: Start difference. First operand 430 states and 743 transitions. Second operand 5 states. [2020-12-23 08:51:25,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:25,487 INFO L93 Difference]: Finished difference Result 1229 states and 2137 transitions. [2020-12-23 08:51:25,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:51:25,488 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-12-23 08:51:25,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:25,494 INFO L225 Difference]: With dead ends: 1229 [2020-12-23 08:51:25,494 INFO L226 Difference]: Without dead ends: 826 [2020-12-23 08:51:25,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:25,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2020-12-23 08:51:25,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 430. [2020-12-23 08:51:25,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-12-23 08:51:25,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 742 transitions. [2020-12-23 08:51:25,531 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 742 transitions. Word has length 53 [2020-12-23 08:51:25,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:25,531 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 742 transitions. [2020-12-23 08:51:25,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:25,532 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 742 transitions. [2020-12-23 08:51:25,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 08:51:25,535 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:25,535 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:25,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:51:25,535 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:25,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:25,536 INFO L82 PathProgramCache]: Analyzing trace with hash 574282393, now seen corresponding path program 1 times [2020-12-23 08:51:25,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:25,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450147562] [2020-12-23 08:51:25,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:25,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:25,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450147562] [2020-12-23 08:51:25,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:25,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:25,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175096806] [2020-12-23 08:51:25,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:25,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:25,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:25,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:25,670 INFO L87 Difference]: Start difference. First operand 430 states and 742 transitions. Second operand 5 states. [2020-12-23 08:51:25,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:25,850 INFO L93 Difference]: Finished difference Result 1234 states and 2142 transitions. [2020-12-23 08:51:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:51:25,851 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-23 08:51:25,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:25,856 INFO L225 Difference]: With dead ends: 1234 [2020-12-23 08:51:25,857 INFO L226 Difference]: Without dead ends: 831 [2020-12-23 08:51:25,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:25,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2020-12-23 08:51:25,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 430. [2020-12-23 08:51:25,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-12-23 08:51:25,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 741 transitions. [2020-12-23 08:51:25,891 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 741 transitions. Word has length 54 [2020-12-23 08:51:25,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:25,892 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 741 transitions. [2020-12-23 08:51:25,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:25,892 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 741 transitions. [2020-12-23 08:51:25,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 08:51:25,893 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:25,893 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:25,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:51:25,895 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:25,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:25,900 INFO L82 PathProgramCache]: Analyzing trace with hash -314537551, now seen corresponding path program 1 times [2020-12-23 08:51:25,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:25,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160336847] [2020-12-23 08:51:25,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:26,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:26,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160336847] [2020-12-23 08:51:26,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:26,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:26,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668563874] [2020-12-23 08:51:26,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:26,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:26,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:26,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:26,022 INFO L87 Difference]: Start difference. First operand 430 states and 741 transitions. Second operand 3 states. [2020-12-23 08:51:26,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:26,061 INFO L93 Difference]: Finished difference Result 622 states and 1058 transitions. [2020-12-23 08:51:26,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:26,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-23 08:51:26,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:26,065 INFO L225 Difference]: With dead ends: 622 [2020-12-23 08:51:26,065 INFO L226 Difference]: Without dead ends: 433 [2020-12-23 08:51:26,067 INFO L677 BasicCegarLoop]: 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 [2020-12-23 08:51:26,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2020-12-23 08:51:26,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 432. [2020-12-23 08:51:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-12-23 08:51:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 743 transitions. [2020-12-23 08:51:26,098 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 743 transitions. Word has length 55 [2020-12-23 08:51:26,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:26,100 INFO L481 AbstractCegarLoop]: Abstraction has 432 states and 743 transitions. [2020-12-23 08:51:26,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:26,100 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 743 transitions. [2020-12-23 08:51:26,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 08:51:26,102 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:26,102 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:26,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:51:26,102 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:26,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:26,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1143669585, now seen corresponding path program 1 times [2020-12-23 08:51:26,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:26,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252647033] [2020-12-23 08:51:26,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:26,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:26,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252647033] [2020-12-23 08:51:26,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:26,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:26,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811322049] [2020-12-23 08:51:26,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:26,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:26,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:26,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:26,192 INFO L87 Difference]: Start difference. First operand 432 states and 743 transitions. Second operand 3 states. [2020-12-23 08:51:26,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:26,250 INFO L93 Difference]: Finished difference Result 1182 states and 2053 transitions. [2020-12-23 08:51:26,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:26,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-12-23 08:51:26,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:26,256 INFO L225 Difference]: With dead ends: 1182 [2020-12-23 08:51:26,257 INFO L226 Difference]: Without dead ends: 781 [2020-12-23 08:51:26,259 INFO L677 BasicCegarLoop]: 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 [2020-12-23 08:51:26,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-12-23 08:51:26,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 592. [2020-12-23 08:51:26,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-12-23 08:51:26,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 1036 transitions. [2020-12-23 08:51:26,300 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 1036 transitions. Word has length 61 [2020-12-23 08:51:26,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:26,300 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 1036 transitions. [2020-12-23 08:51:26,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:26,300 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1036 transitions. [2020-12-23 08:51:26,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 08:51:26,302 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:26,302 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:26,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:51:26,305 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:26,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:26,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1474526130, now seen corresponding path program 1 times [2020-12-23 08:51:26,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:26,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841555003] [2020-12-23 08:51:26,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:26,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:26,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841555003] [2020-12-23 08:51:26,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568465046] [2020-12-23 08:51:26,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:51:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:26,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:51:26,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:51:27,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:27,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:51:27,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:51:27,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925053787] [2020-12-23 08:51:27,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:27,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:27,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:27,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:27,019 INFO L87 Difference]: Start difference. First operand 592 states and 1036 transitions. Second operand 5 states. [2020-12-23 08:51:27,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:27,162 INFO L93 Difference]: Finished difference Result 1186 states and 2056 transitions. [2020-12-23 08:51:27,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:51:27,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2020-12-23 08:51:27,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:27,170 INFO L225 Difference]: With dead ends: 1186 [2020-12-23 08:51:27,170 INFO L226 Difference]: Without dead ends: 997 [2020-12-23 08:51:27,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:27,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2020-12-23 08:51:27,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 806. [2020-12-23 08:51:27,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2020-12-23 08:51:27,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1426 transitions. [2020-12-23 08:51:27,237 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1426 transitions. Word has length 62 [2020-12-23 08:51:27,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:27,238 INFO L481 AbstractCegarLoop]: Abstraction has 806 states and 1426 transitions. [2020-12-23 08:51:27,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1426 transitions. [2020-12-23 08:51:27,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:51:27,240 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:27,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:27,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 08:51:27,457 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:27,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:27,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1555299743, now seen corresponding path program 1 times [2020-12-23 08:51:27,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:27,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774167439] [2020-12-23 08:51:27,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:27,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:27,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774167439] [2020-12-23 08:51:27,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:27,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:27,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642593858] [2020-12-23 08:51:27,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:27,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:27,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:27,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:27,599 INFO L87 Difference]: Start difference. First operand 806 states and 1426 transitions. Second operand 3 states. [2020-12-23 08:51:27,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:27,704 INFO L93 Difference]: Finished difference Result 2084 states and 3702 transitions. [2020-12-23 08:51:27,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:27,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-12-23 08:51:27,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:27,714 INFO L225 Difference]: With dead ends: 2084 [2020-12-23 08:51:27,714 INFO L226 Difference]: Without dead ends: 1367 [2020-12-23 08:51:27,717 INFO L677 BasicCegarLoop]: 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 [2020-12-23 08:51:27,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2020-12-23 08:51:27,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1178. [2020-12-23 08:51:27,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1178 states. [2020-12-23 08:51:27,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 2104 transitions. [2020-12-23 08:51:27,801 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 2104 transitions. Word has length 68 [2020-12-23 08:51:27,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:27,802 INFO L481 AbstractCegarLoop]: Abstraction has 1178 states and 2104 transitions. [2020-12-23 08:51:27,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:27,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 2104 transitions. [2020-12-23 08:51:27,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:51:27,812 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:27,813 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:27,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:51:27,813 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:27,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:27,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1412706543, now seen corresponding path program 2 times [2020-12-23 08:51:27,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:27,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339402519] [2020-12-23 08:51:27,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:27,956 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:27,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339402519] [2020-12-23 08:51:27,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:27,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:27,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998903760] [2020-12-23 08:51:27,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:27,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:27,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:27,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:27,958 INFO L87 Difference]: Start difference. First operand 1178 states and 2104 transitions. Second operand 5 states. [2020-12-23 08:51:28,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:28,094 INFO L93 Difference]: Finished difference Result 2298 states and 4090 transitions. [2020-12-23 08:51:28,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:51:28,095 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-12-23 08:51:28,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:28,104 INFO L225 Difference]: With dead ends: 2298 [2020-12-23 08:51:28,104 INFO L226 Difference]: Without dead ends: 1367 [2020-12-23 08:51:28,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:28,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2020-12-23 08:51:28,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1178. [2020-12-23 08:51:28,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1178 states. [2020-12-23 08:51:28,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 2102 transitions. [2020-12-23 08:51:28,191 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 2102 transitions. Word has length 69 [2020-12-23 08:51:28,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:28,191 INFO L481 AbstractCegarLoop]: Abstraction has 1178 states and 2102 transitions. [2020-12-23 08:51:28,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 2102 transitions. [2020-12-23 08:51:28,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:51:28,195 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:28,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:28,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 08:51:28,195 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:28,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:28,196 INFO L82 PathProgramCache]: Analyzing trace with hash 782357296, now seen corresponding path program 1 times [2020-12-23 08:51:28,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:28,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219378390] [2020-12-23 08:51:28,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:28,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:28,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219378390] [2020-12-23 08:51:28,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:28,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:28,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491910776] [2020-12-23 08:51:28,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:28,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:28,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:28,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:28,269 INFO L87 Difference]: Start difference. First operand 1178 states and 2102 transitions. Second operand 3 states. [2020-12-23 08:51:28,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:28,453 INFO L93 Difference]: Finished difference Result 3172 states and 5685 transitions. [2020-12-23 08:51:28,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:28,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-23 08:51:28,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:28,469 INFO L225 Difference]: With dead ends: 3172 [2020-12-23 08:51:28,469 INFO L226 Difference]: Without dead ends: 2091 [2020-12-23 08:51:28,472 INFO L677 BasicCegarLoop]: 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 [2020-12-23 08:51:28,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2020-12-23 08:51:28,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 1902. [2020-12-23 08:51:28,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1902 states. [2020-12-23 08:51:28,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 3421 transitions. [2020-12-23 08:51:28,649 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 3421 transitions. Word has length 69 [2020-12-23 08:51:28,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:28,651 INFO L481 AbstractCegarLoop]: Abstraction has 1902 states and 3421 transitions. [2020-12-23 08:51:28,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:28,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 3421 transitions. [2020-12-23 08:51:28,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 08:51:28,656 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:28,656 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:28,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:51:28,657 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:28,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:28,657 INFO L82 PathProgramCache]: Analyzing trace with hash 570724387, now seen corresponding path program 1 times [2020-12-23 08:51:28,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:28,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974175846] [2020-12-23 08:51:28,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:28,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:28,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974175846] [2020-12-23 08:51:28,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:28,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:28,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772414792] [2020-12-23 08:51:28,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:28,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:28,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:28,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:28,737 INFO L87 Difference]: Start difference. First operand 1902 states and 3421 transitions. Second operand 3 states. [2020-12-23 08:51:28,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:28,950 INFO L93 Difference]: Finished difference Result 5080 states and 9161 transitions. [2020-12-23 08:51:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:28,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-23 08:51:28,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:28,973 INFO L225 Difference]: With dead ends: 5080 [2020-12-23 08:51:28,974 INFO L226 Difference]: Without dead ends: 3309 [2020-12-23 08:51:28,979 INFO L677 BasicCegarLoop]: 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 [2020-12-23 08:51:28,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3309 states. [2020-12-23 08:51:29,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3309 to 3120. [2020-12-23 08:51:29,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3120 states. [2020-12-23 08:51:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 3120 states and 5634 transitions. [2020-12-23 08:51:29,222 INFO L78 Accepts]: Start accepts. Automaton has 3120 states and 5634 transitions. Word has length 70 [2020-12-23 08:51:29,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:29,222 INFO L481 AbstractCegarLoop]: Abstraction has 3120 states and 5634 transitions. [2020-12-23 08:51:29,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3120 states and 5634 transitions. [2020-12-23 08:51:29,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 08:51:29,228 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:29,228 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:29,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:51:29,228 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:29,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:29,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1012814657, now seen corresponding path program 1 times [2020-12-23 08:51:29,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:29,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426084970] [2020-12-23 08:51:29,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:29,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:29,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426084970] [2020-12-23 08:51:29,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:29,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:29,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054966555] [2020-12-23 08:51:29,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:29,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:29,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:29,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:29,302 INFO L87 Difference]: Start difference. First operand 3120 states and 5634 transitions. Second operand 3 states. [2020-12-23 08:51:29,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:29,641 INFO L93 Difference]: Finished difference Result 8450 states and 15283 transitions. [2020-12-23 08:51:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:29,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2020-12-23 08:51:29,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:29,675 INFO L225 Difference]: With dead ends: 8450 [2020-12-23 08:51:29,675 INFO L226 Difference]: Without dead ends: 5495 [2020-12-23 08:51:29,681 INFO L677 BasicCegarLoop]: 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 [2020-12-23 08:51:29,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5495 states. [2020-12-23 08:51:29,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5495 to 5306. [2020-12-23 08:51:29,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5306 states. [2020-12-23 08:51:30,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5306 states to 5306 states and 9595 transitions. [2020-12-23 08:51:30,054 INFO L78 Accepts]: Start accepts. Automaton has 5306 states and 9595 transitions. Word has length 71 [2020-12-23 08:51:30,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:30,054 INFO L481 AbstractCegarLoop]: Abstraction has 5306 states and 9595 transitions. [2020-12-23 08:51:30,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:30,055 INFO L276 IsEmpty]: Start isEmpty. Operand 5306 states and 9595 transitions. [2020-12-23 08:51:30,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 08:51:30,061 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:30,061 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:30,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:51:30,061 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:30,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:30,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1955340901, now seen corresponding path program 1 times [2020-12-23 08:51:30,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:30,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480592616] [2020-12-23 08:51:30,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:51:30,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480592616] [2020-12-23 08:51:30,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:30,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:30,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573233372] [2020-12-23 08:51:30,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:30,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:30,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:30,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:30,160 INFO L87 Difference]: Start difference. First operand 5306 states and 9595 transitions. Second operand 5 states. [2020-12-23 08:51:31,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:31,035 INFO L93 Difference]: Finished difference Result 15137 states and 27402 transitions. [2020-12-23 08:51:31,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:51:31,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2020-12-23 08:51:31,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:31,097 INFO L225 Difference]: With dead ends: 15137 [2020-12-23 08:51:31,098 INFO L226 Difference]: Without dead ends: 10078 [2020-12-23 08:51:31,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:51:31,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10078 states. [2020-12-23 08:51:31,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10078 to 5306. [2020-12-23 08:51:31,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5306 states. [2020-12-23 08:51:31,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5306 states to 5306 states and 9545 transitions. [2020-12-23 08:51:31,651 INFO L78 Accepts]: Start accepts. Automaton has 5306 states and 9545 transitions. Word has length 72 [2020-12-23 08:51:31,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:31,652 INFO L481 AbstractCegarLoop]: Abstraction has 5306 states and 9545 transitions. [2020-12-23 08:51:31,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:31,652 INFO L276 IsEmpty]: Start isEmpty. Operand 5306 states and 9545 transitions. [2020-12-23 08:51:31,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 08:51:31,658 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:31,659 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:31,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:51:31,659 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:31,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:31,660 INFO L82 PathProgramCache]: Analyzing trace with hash -998920620, now seen corresponding path program 1 times [2020-12-23 08:51:31,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:31,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333072808] [2020-12-23 08:51:31,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:31,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:31,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333072808] [2020-12-23 08:51:31,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:31,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:31,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438192700] [2020-12-23 08:51:31,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:31,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:31,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:31,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:31,731 INFO L87 Difference]: Start difference. First operand 5306 states and 9545 transitions. Second operand 3 states. [2020-12-23 08:51:32,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:32,315 INFO L93 Difference]: Finished difference Result 15334 states and 27630 transitions. [2020-12-23 08:51:32,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:32,316 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-23 08:51:32,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:32,346 INFO L225 Difference]: With dead ends: 15334 [2020-12-23 08:51:32,347 INFO L226 Difference]: Without dead ends: 10201 [2020-12-23 08:51:32,357 INFO L677 BasicCegarLoop]: 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 [2020-12-23 08:51:32,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10201 states. [2020-12-23 08:51:32,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10201 to 10012. [2020-12-23 08:51:32,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10012 states. [2020-12-23 08:51:32,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10012 states to 10012 states and 18026 transitions. [2020-12-23 08:51:32,944 INFO L78 Accepts]: Start accepts. Automaton has 10012 states and 18026 transitions. Word has length 72 [2020-12-23 08:51:32,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:32,944 INFO L481 AbstractCegarLoop]: Abstraction has 10012 states and 18026 transitions. [2020-12-23 08:51:32,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:32,945 INFO L276 IsEmpty]: Start isEmpty. Operand 10012 states and 18026 transitions. [2020-12-23 08:51:32,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 08:51:32,953 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:32,953 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:32,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:51:32,954 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:32,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:32,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1568381280, now seen corresponding path program 1 times [2020-12-23 08:51:32,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:32,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81974874] [2020-12-23 08:51:32,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:33,026 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:33,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81974874] [2020-12-23 08:51:33,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:33,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:51:33,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802405085] [2020-12-23 08:51:33,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:51:33,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:33,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:51:33,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:51:33,028 INFO L87 Difference]: Start difference. First operand 10012 states and 18026 transitions. Second operand 4 states. [2020-12-23 08:51:33,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:33,612 INFO L93 Difference]: Finished difference Result 10142 states and 18238 transitions. [2020-12-23 08:51:33,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:51:33,613 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 73 [2020-12-23 08:51:33,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:33,644 INFO L225 Difference]: With dead ends: 10142 [2020-12-23 08:51:33,644 INFO L226 Difference]: Without dead ends: 10012 [2020-12-23 08:51:33,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:33,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10012 states. [2020-12-23 08:51:34,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10012 to 10012. [2020-12-23 08:51:34,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10012 states. [2020-12-23 08:51:34,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10012 states to 10012 states and 18024 transitions. [2020-12-23 08:51:34,304 INFO L78 Accepts]: Start accepts. Automaton has 10012 states and 18024 transitions. Word has length 73 [2020-12-23 08:51:34,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:34,304 INFO L481 AbstractCegarLoop]: Abstraction has 10012 states and 18024 transitions. [2020-12-23 08:51:34,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:51:34,304 INFO L276 IsEmpty]: Start isEmpty. Operand 10012 states and 18024 transitions. [2020-12-23 08:51:34,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 08:51:34,314 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:34,315 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:34,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:51:34,315 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:34,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:34,316 INFO L82 PathProgramCache]: Analyzing trace with hash 239463891, now seen corresponding path program 1 times [2020-12-23 08:51:34,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:34,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032542805] [2020-12-23 08:51:34,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:34,432 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:34,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032542805] [2020-12-23 08:51:34,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:34,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:51:34,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348611594] [2020-12-23 08:51:34,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:34,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:34,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:34,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:34,438 INFO L87 Difference]: Start difference. First operand 10012 states and 18024 transitions. Second operand 5 states. [2020-12-23 08:51:35,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:35,100 INFO L93 Difference]: Finished difference Result 10745 states and 19208 transitions. [2020-12-23 08:51:35,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:51:35,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-12-23 08:51:35,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:35,134 INFO L225 Difference]: With dead ends: 10745 [2020-12-23 08:51:35,134 INFO L226 Difference]: Without dead ends: 10616 [2020-12-23 08:51:35,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:51:35,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10616 states. [2020-12-23 08:51:35,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10616 to 10125. [2020-12-23 08:51:35,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10125 states. [2020-12-23 08:51:35,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10125 states to 10125 states and 18206 transitions. [2020-12-23 08:51:35,785 INFO L78 Accepts]: Start accepts. Automaton has 10125 states and 18206 transitions. Word has length 76 [2020-12-23 08:51:35,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:35,786 INFO L481 AbstractCegarLoop]: Abstraction has 10125 states and 18206 transitions. [2020-12-23 08:51:35,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:35,786 INFO L276 IsEmpty]: Start isEmpty. Operand 10125 states and 18206 transitions. [2020-12-23 08:51:35,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 08:51:35,796 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:35,797 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:35,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:51:35,797 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:35,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:35,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1027017593, now seen corresponding path program 1 times [2020-12-23 08:51:35,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:35,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975365091] [2020-12-23 08:51:35,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:35,924 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:35,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975365091] [2020-12-23 08:51:35,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:35,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:51:35,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366230592] [2020-12-23 08:51:35,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:51:35,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:35,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:51:35,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:51:35,927 INFO L87 Difference]: Start difference. First operand 10125 states and 18206 transitions. Second operand 9 states. [2020-12-23 08:51:36,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:36,662 INFO L93 Difference]: Finished difference Result 10480 states and 18778 transitions. [2020-12-23 08:51:36,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:51:36,663 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 77 [2020-12-23 08:51:36,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:36,689 INFO L225 Difference]: With dead ends: 10480 [2020-12-23 08:51:36,690 INFO L226 Difference]: Without dead ends: 10241 [2020-12-23 08:51:36,694 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2020-12-23 08:51:36,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10241 states. [2020-12-23 08:51:37,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10241 to 10105. [2020-12-23 08:51:37,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10105 states. [2020-12-23 08:51:37,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10105 states to 10105 states and 18169 transitions. [2020-12-23 08:51:37,187 INFO L78 Accepts]: Start accepts. Automaton has 10105 states and 18169 transitions. Word has length 77 [2020-12-23 08:51:37,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:37,188 INFO L481 AbstractCegarLoop]: Abstraction has 10105 states and 18169 transitions. [2020-12-23 08:51:37,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:51:37,188 INFO L276 IsEmpty]: Start isEmpty. Operand 10105 states and 18169 transitions. [2020-12-23 08:51:37,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:51:37,203 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:37,203 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:37,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:51:37,203 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:37,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:37,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1028265088, now seen corresponding path program 1 times [2020-12-23 08:51:37,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:37,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882696946] [2020-12-23 08:51:37,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:37,291 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:37,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882696946] [2020-12-23 08:51:37,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:37,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:51:37,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655635043] [2020-12-23 08:51:37,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:37,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:37,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:37,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:37,294 INFO L87 Difference]: Start difference. First operand 10105 states and 18169 transitions. Second operand 5 states. [2020-12-23 08:51:38,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:38,106 INFO L93 Difference]: Finished difference Result 11115 states and 19749 transitions. [2020-12-23 08:51:38,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:51:38,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-12-23 08:51:38,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:38,135 INFO L225 Difference]: With dead ends: 11115 [2020-12-23 08:51:38,136 INFO L226 Difference]: Without dead ends: 10868 [2020-12-23 08:51:38,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:51:38,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10868 states. [2020-12-23 08:51:38,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10868 to 10301. [2020-12-23 08:51:38,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10301 states. [2020-12-23 08:51:38,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10301 states to 10301 states and 18477 transitions. [2020-12-23 08:51:38,928 INFO L78 Accepts]: Start accepts. Automaton has 10301 states and 18477 transitions. Word has length 89 [2020-12-23 08:51:38,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:38,928 INFO L481 AbstractCegarLoop]: Abstraction has 10301 states and 18477 transitions. [2020-12-23 08:51:38,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:38,929 INFO L276 IsEmpty]: Start isEmpty. Operand 10301 states and 18477 transitions. [2020-12-23 08:51:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 08:51:38,943 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:38,943 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:38,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:51:38,943 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:38,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:38,944 INFO L82 PathProgramCache]: Analyzing trace with hash -365040217, now seen corresponding path program 1 times [2020-12-23 08:51:38,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:38,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51563454] [2020-12-23 08:51:38,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:39,075 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:39,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51563454] [2020-12-23 08:51:39,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:39,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:51:39,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960633229] [2020-12-23 08:51:39,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:51:39,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:39,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:51:39,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:51:39,077 INFO L87 Difference]: Start difference. First operand 10301 states and 18477 transitions. Second operand 9 states. [2020-12-23 08:51:39,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:39,813 INFO L93 Difference]: Finished difference Result 10809 states and 19280 transitions. [2020-12-23 08:51:39,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:51:39,814 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-12-23 08:51:39,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:39,840 INFO L225 Difference]: With dead ends: 10809 [2020-12-23 08:51:39,841 INFO L226 Difference]: Without dead ends: 10380 [2020-12-23 08:51:39,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2020-12-23 08:51:39,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10380 states. [2020-12-23 08:51:40,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10380 to 10192. [2020-12-23 08:51:40,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10192 states. [2020-12-23 08:51:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10192 states to 10192 states and 18297 transitions. [2020-12-23 08:51:40,386 INFO L78 Accepts]: Start accepts. Automaton has 10192 states and 18297 transitions. Word has length 90 [2020-12-23 08:51:40,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:40,387 INFO L481 AbstractCegarLoop]: Abstraction has 10192 states and 18297 transitions. [2020-12-23 08:51:40,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:51:40,387 INFO L276 IsEmpty]: Start isEmpty. Operand 10192 states and 18297 transitions. [2020-12-23 08:51:40,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 08:51:40,403 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:40,404 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:40,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:51:40,404 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:40,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:40,405 INFO L82 PathProgramCache]: Analyzing trace with hash -2043271433, now seen corresponding path program 1 times [2020-12-23 08:51:40,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:40,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558109698] [2020-12-23 08:51:40,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:40,625 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:40,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558109698] [2020-12-23 08:51:40,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:40,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:51:40,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017194281] [2020-12-23 08:51:40,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:51:40,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:40,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:51:40,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:51:40,629 INFO L87 Difference]: Start difference. First operand 10192 states and 18297 transitions. Second operand 10 states. [2020-12-23 08:51:42,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:42,391 INFO L93 Difference]: Finished difference Result 13186 states and 22894 transitions. [2020-12-23 08:51:42,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-23 08:51:42,394 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 92 [2020-12-23 08:51:42,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:42,418 INFO L225 Difference]: With dead ends: 13186 [2020-12-23 08:51:42,419 INFO L226 Difference]: Without dead ends: 12946 [2020-12-23 08:51:42,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=337, Invalid=923, Unknown=0, NotChecked=0, Total=1260 [2020-12-23 08:51:42,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12946 states. [2020-12-23 08:51:43,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12946 to 10372. [2020-12-23 08:51:43,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10372 states. [2020-12-23 08:51:43,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10372 states to 10372 states and 18569 transitions. [2020-12-23 08:51:43,061 INFO L78 Accepts]: Start accepts. Automaton has 10372 states and 18569 transitions. Word has length 92 [2020-12-23 08:51:43,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:43,061 INFO L481 AbstractCegarLoop]: Abstraction has 10372 states and 18569 transitions. [2020-12-23 08:51:43,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:51:43,061 INFO L276 IsEmpty]: Start isEmpty. Operand 10372 states and 18569 transitions. [2020-12-23 08:51:43,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 08:51:43,075 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:43,076 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:43,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:51:43,076 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:43,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:43,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1958149893, now seen corresponding path program 1 times [2020-12-23 08:51:43,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:43,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135360224] [2020-12-23 08:51:43,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:43,198 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:43,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135360224] [2020-12-23 08:51:43,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:43,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:51:43,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495935147] [2020-12-23 08:51:43,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:51:43,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:43,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:51:43,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:51:43,201 INFO L87 Difference]: Start difference. First operand 10372 states and 18569 transitions. Second operand 9 states. [2020-12-23 08:51:44,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:44,911 INFO L93 Difference]: Finished difference Result 13708 states and 23681 transitions. [2020-12-23 08:51:44,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-12-23 08:51:44,911 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-12-23 08:51:44,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:44,929 INFO L225 Difference]: With dead ends: 13708 [2020-12-23 08:51:44,930 INFO L226 Difference]: Without dead ends: 13349 [2020-12-23 08:51:44,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=306, Invalid=750, Unknown=0, NotChecked=0, Total=1056 [2020-12-23 08:51:44,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13349 states. [2020-12-23 08:51:45,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13349 to 10690. [2020-12-23 08:51:45,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10690 states. [2020-12-23 08:51:45,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10690 states to 10690 states and 19057 transitions. [2020-12-23 08:51:45,622 INFO L78 Accepts]: Start accepts. Automaton has 10690 states and 19057 transitions. Word has length 93 [2020-12-23 08:51:45,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:45,623 INFO L481 AbstractCegarLoop]: Abstraction has 10690 states and 19057 transitions. [2020-12-23 08:51:45,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:51:45,623 INFO L276 IsEmpty]: Start isEmpty. Operand 10690 states and 19057 transitions. [2020-12-23 08:51:45,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 08:51:45,640 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:45,640 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:45,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:51:45,641 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:45,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:45,641 INFO L82 PathProgramCache]: Analyzing trace with hash 643785745, now seen corresponding path program 1 times [2020-12-23 08:51:45,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:45,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877337354] [2020-12-23 08:51:45,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:45,736 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:45,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877337354] [2020-12-23 08:51:45,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:45,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:51:45,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043194643] [2020-12-23 08:51:45,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:45,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:45,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:45,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:45,739 INFO L87 Difference]: Start difference. First operand 10690 states and 19057 transitions. Second operand 5 states. [2020-12-23 08:51:47,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:47,315 INFO L93 Difference]: Finished difference Result 22950 states and 40466 transitions. [2020-12-23 08:51:47,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:51:47,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-12-23 08:51:47,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:47,343 INFO L225 Difference]: With dead ends: 22950 [2020-12-23 08:51:47,344 INFO L226 Difference]: Without dead ends: 22427 [2020-12-23 08:51:47,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:51:47,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22427 states. [2020-12-23 08:51:48,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22427 to 21108. [2020-12-23 08:51:48,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21108 states. [2020-12-23 08:51:48,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21108 states to 21108 states and 37644 transitions. [2020-12-23 08:51:48,253 INFO L78 Accepts]: Start accepts. Automaton has 21108 states and 37644 transitions. Word has length 93 [2020-12-23 08:51:48,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:48,254 INFO L481 AbstractCegarLoop]: Abstraction has 21108 states and 37644 transitions. [2020-12-23 08:51:48,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:48,254 INFO L276 IsEmpty]: Start isEmpty. Operand 21108 states and 37644 transitions. [2020-12-23 08:51:48,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 08:51:48,277 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:48,277 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:48,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:51:48,278 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:48,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:48,278 INFO L82 PathProgramCache]: Analyzing trace with hash 731777897, now seen corresponding path program 1 times [2020-12-23 08:51:48,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:48,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987429324] [2020-12-23 08:51:48,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:48,375 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:48,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987429324] [2020-12-23 08:51:48,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:48,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:51:48,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581887970] [2020-12-23 08:51:48,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:51:48,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:48,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:51:48,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:48,378 INFO L87 Difference]: Start difference. First operand 21108 states and 37644 transitions. Second operand 7 states. [2020-12-23 08:51:49,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:49,508 INFO L93 Difference]: Finished difference Result 23384 states and 41125 transitions. [2020-12-23 08:51:49,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 08:51:49,508 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-12-23 08:51:49,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:49,532 INFO L225 Difference]: With dead ends: 23384 [2020-12-23 08:51:49,532 INFO L226 Difference]: Without dead ends: 21869 [2020-12-23 08:51:49,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-12-23 08:51:49,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21869 states. [2020-12-23 08:51:50,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21869 to 21018. [2020-12-23 08:51:50,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21018 states. [2020-12-23 08:51:50,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21018 states to 21018 states and 37500 transitions. [2020-12-23 08:51:50,383 INFO L78 Accepts]: Start accepts. Automaton has 21018 states and 37500 transitions. Word has length 93 [2020-12-23 08:51:50,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:50,383 INFO L481 AbstractCegarLoop]: Abstraction has 21018 states and 37500 transitions. [2020-12-23 08:51:50,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:51:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 21018 states and 37500 transitions. [2020-12-23 08:51:50,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 08:51:50,399 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:50,399 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:50,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:51:50,399 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:50,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:50,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1162388372, now seen corresponding path program 1 times [2020-12-23 08:51:50,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:50,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322736184] [2020-12-23 08:51:50,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:50,479 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:50,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322736184] [2020-12-23 08:51:50,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:50,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:50,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616047312] [2020-12-23 08:51:50,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:51:50,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:50,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:51:50,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:51:50,481 INFO L87 Difference]: Start difference. First operand 21018 states and 37500 transitions. Second operand 4 states. [2020-12-23 08:51:52,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:52,496 INFO L93 Difference]: Finished difference Result 44345 states and 78514 transitions. [2020-12-23 08:51:52,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:51:52,496 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2020-12-23 08:51:52,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:52,557 INFO L225 Difference]: With dead ends: 44345 [2020-12-23 08:51:52,558 INFO L226 Difference]: Without dead ends: 43350 [2020-12-23 08:51:52,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:52,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43350 states. [2020-12-23 08:51:54,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43350 to 41756. [2020-12-23 08:51:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41756 states. [2020-12-23 08:51:54,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41756 states to 41756 states and 74534 transitions. [2020-12-23 08:51:54,531 INFO L78 Accepts]: Start accepts. Automaton has 41756 states and 74534 transitions. Word has length 94 [2020-12-23 08:51:54,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:54,532 INFO L481 AbstractCegarLoop]: Abstraction has 41756 states and 74534 transitions. [2020-12-23 08:51:54,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:51:54,532 INFO L276 IsEmpty]: Start isEmpty. Operand 41756 states and 74534 transitions. [2020-12-23 08:51:54,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 08:51:54,571 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:54,571 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:54,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:51:54,572 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:54,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:54,572 INFO L82 PathProgramCache]: Analyzing trace with hash 972332284, now seen corresponding path program 1 times [2020-12-23 08:51:54,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:54,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027763894] [2020-12-23 08:51:54,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:54,635 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:54,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027763894] [2020-12-23 08:51:54,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:54,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:51:54,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305707618] [2020-12-23 08:51:54,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:51:54,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:54,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:51:54,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:51:54,637 INFO L87 Difference]: Start difference. First operand 41756 states and 74534 transitions. Second operand 4 states. [2020-12-23 08:51:56,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:56,378 INFO L93 Difference]: Finished difference Result 43338 states and 76956 transitions. [2020-12-23 08:51:56,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:51:56,378 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2020-12-23 08:51:56,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:56,434 INFO L225 Difference]: With dead ends: 43338 [2020-12-23 08:51:56,434 INFO L226 Difference]: Without dead ends: 41343 [2020-12-23 08:51:56,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:56,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41343 states. [2020-12-23 08:51:58,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41343 to 40626. [2020-12-23 08:51:58,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40626 states. [2020-12-23 08:51:58,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40626 states to 40626 states and 72776 transitions. [2020-12-23 08:51:58,219 INFO L78 Accepts]: Start accepts. Automaton has 40626 states and 72776 transitions. Word has length 95 [2020-12-23 08:51:58,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:58,219 INFO L481 AbstractCegarLoop]: Abstraction has 40626 states and 72776 transitions. [2020-12-23 08:51:58,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:51:58,219 INFO L276 IsEmpty]: Start isEmpty. Operand 40626 states and 72776 transitions. [2020-12-23 08:51:58,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-23 08:51:58,266 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:58,266 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:58,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:51:58,267 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:58,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:58,267 INFO L82 PathProgramCache]: Analyzing trace with hash 874785487, now seen corresponding path program 1 times [2020-12-23 08:51:58,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:58,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361367316] [2020-12-23 08:51:58,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:51:58,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361367316] [2020-12-23 08:51:58,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:58,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:58,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654361126] [2020-12-23 08:51:58,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:58,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:58,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:58,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:58,340 INFO L87 Difference]: Start difference. First operand 40626 states and 72776 transitions. Second operand 5 states. [2020-12-23 08:52:02,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:02,099 INFO L93 Difference]: Finished difference Result 115236 states and 205855 transitions. [2020-12-23 08:52:02,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:52:02,099 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2020-12-23 08:52:02,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:02,350 INFO L225 Difference]: With dead ends: 115236 [2020-12-23 08:52:02,351 INFO L226 Difference]: Without dead ends: 74969 [2020-12-23 08:52:02,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:52:02,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74969 states. [2020-12-23 08:52:04,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74969 to 40626. [2020-12-23 08:52:04,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40626 states. [2020-12-23 08:52:04,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40626 states to 40626 states and 72647 transitions. [2020-12-23 08:52:04,820 INFO L78 Accepts]: Start accepts. Automaton has 40626 states and 72647 transitions. Word has length 103 [2020-12-23 08:52:04,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:04,820 INFO L481 AbstractCegarLoop]: Abstraction has 40626 states and 72647 transitions. [2020-12-23 08:52:04,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:04,821 INFO L276 IsEmpty]: Start isEmpty. Operand 40626 states and 72647 transitions. [2020-12-23 08:52:04,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 08:52:04,865 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:04,865 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:04,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 08:52:04,865 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:04,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:04,866 INFO L82 PathProgramCache]: Analyzing trace with hash 988316123, now seen corresponding path program 1 times [2020-12-23 08:52:04,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:04,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819232858] [2020-12-23 08:52:04,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:04,937 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 08:52:04,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819232858] [2020-12-23 08:52:04,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:04,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:52:04,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283657900] [2020-12-23 08:52:04,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:04,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:04,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:04,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:04,939 INFO L87 Difference]: Start difference. First operand 40626 states and 72647 transitions. Second operand 5 states. [2020-12-23 08:52:12,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:12,600 INFO L93 Difference]: Finished difference Result 197310 states and 352039 transitions. [2020-12-23 08:52:12,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:52:12,600 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-12-23 08:52:12,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:13,024 INFO L225 Difference]: With dead ends: 197310 [2020-12-23 08:52:13,025 INFO L226 Difference]: Without dead ends: 156805 [2020-12-23 08:52:13,086 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:52:13,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156805 states. [2020-12-23 08:52:18,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156805 to 82783. [2020-12-23 08:52:18,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82783 states. [2020-12-23 08:52:18,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82783 states to 82783 states and 145731 transitions. [2020-12-23 08:52:18,283 INFO L78 Accepts]: Start accepts. Automaton has 82783 states and 145731 transitions. Word has length 104 [2020-12-23 08:52:18,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:18,283 INFO L481 AbstractCegarLoop]: Abstraction has 82783 states and 145731 transitions. [2020-12-23 08:52:18,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:18,283 INFO L276 IsEmpty]: Start isEmpty. Operand 82783 states and 145731 transitions. [2020-12-23 08:52:18,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 08:52:18,366 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:18,367 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:18,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 08:52:18,367 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:18,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:18,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1380095325, now seen corresponding path program 1 times [2020-12-23 08:52:18,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:18,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850536085] [2020-12-23 08:52:18,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:52:18,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850536085] [2020-12-23 08:52:18,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:18,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:52:18,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179700699] [2020-12-23 08:52:18,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:18,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:18,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:18,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:18,724 INFO L87 Difference]: Start difference. First operand 82783 states and 145731 transitions. Second operand 5 states. [2020-12-23 08:52:33,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:33,651 INFO L93 Difference]: Finished difference Result 394134 states and 695965 transitions. [2020-12-23 08:52:33,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:52:33,652 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-12-23 08:52:33,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:34,594 INFO L225 Difference]: With dead ends: 394134 [2020-12-23 08:52:34,595 INFO L226 Difference]: Without dead ends: 311773 [2020-12-23 08:52:34,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:52:35,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311773 states. [2020-12-23 08:52:44,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311773 to 163202. [2020-12-23 08:52:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163202 states. [2020-12-23 08:52:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163202 states to 163202 states and 287797 transitions. [2020-12-23 08:52:45,144 INFO L78 Accepts]: Start accepts. Automaton has 163202 states and 287797 transitions. Word has length 104 [2020-12-23 08:52:45,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:45,144 INFO L481 AbstractCegarLoop]: Abstraction has 163202 states and 287797 transitions. [2020-12-23 08:52:45,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:45,144 INFO L276 IsEmpty]: Start isEmpty. Operand 163202 states and 287797 transitions. [2020-12-23 08:52:45,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 08:52:45,697 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:45,697 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:45,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 08:52:45,698 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:45,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:45,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1283740522, now seen corresponding path program 1 times [2020-12-23 08:52:45,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:45,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644784204] [2020-12-23 08:52:45,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:45,775 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:52:45,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644784204] [2020-12-23 08:52:45,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:45,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:52:45,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505791017] [2020-12-23 08:52:45,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:52:45,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:45,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:52:45,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:52:45,777 INFO L87 Difference]: Start difference. First operand 163202 states and 287797 transitions. Second operand 4 states. [2020-12-23 08:53:00,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:00,818 INFO L93 Difference]: Finished difference Result 455226 states and 804459 transitions. [2020-12-23 08:53:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:53:00,818 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2020-12-23 08:53:00,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:01,552 INFO L225 Difference]: With dead ends: 455226 [2020-12-23 08:53:01,552 INFO L226 Difference]: Without dead ends: 292886 [2020-12-23 08:53:01,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:53:02,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292886 states. [2020-12-23 08:53:11,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292886 to 161663. [2020-12-23 08:53:11,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161663 states. [2020-12-23 08:53:12,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161663 states to 161663 states and 284975 transitions. [2020-12-23 08:53:12,334 INFO L78 Accepts]: Start accepts. Automaton has 161663 states and 284975 transitions. Word has length 105 [2020-12-23 08:53:12,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:12,335 INFO L481 AbstractCegarLoop]: Abstraction has 161663 states and 284975 transitions. [2020-12-23 08:53:12,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:53:12,335 INFO L276 IsEmpty]: Start isEmpty. Operand 161663 states and 284975 transitions. [2020-12-23 08:53:12,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 08:53:12,845 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:12,845 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:12,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-23 08:53:12,845 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:12,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:12,846 INFO L82 PathProgramCache]: Analyzing trace with hash -221437674, now seen corresponding path program 1 times [2020-12-23 08:53:12,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:12,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047512327] [2020-12-23 08:53:12,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:12,941 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 08:53:12,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047512327] [2020-12-23 08:53:12,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:12,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:53:12,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528772957] [2020-12-23 08:53:12,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:53:12,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:12,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:53:12,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:53:12,944 INFO L87 Difference]: Start difference. First operand 161663 states and 284975 transitions. Second operand 4 states. [2020-12-23 08:53:28,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:28,747 INFO L93 Difference]: Finished difference Result 436609 states and 760735 transitions. [2020-12-23 08:53:28,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:53:28,748 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2020-12-23 08:53:28,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:29,670 INFO L225 Difference]: With dead ends: 436609 [2020-12-23 08:53:29,670 INFO L226 Difference]: Without dead ends: 275618 [2020-12-23 08:53:29,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:53:30,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275618 states. [2020-12-23 08:53:40,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275618 to 158411. [2020-12-23 08:53:40,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158411 states. [2020-12-23 08:53:40,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158411 states to 158411 states and 277989 transitions. [2020-12-23 08:53:40,511 INFO L78 Accepts]: Start accepts. Automaton has 158411 states and 277989 transitions. Word has length 106 [2020-12-23 08:53:40,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:40,511 INFO L481 AbstractCegarLoop]: Abstraction has 158411 states and 277989 transitions. [2020-12-23 08:53:40,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:53:40,511 INFO L276 IsEmpty]: Start isEmpty. Operand 158411 states and 277989 transitions. [2020-12-23 08:53:41,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 08:53:41,105 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:41,105 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:41,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-23 08:53:41,105 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:41,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:41,105 INFO L82 PathProgramCache]: Analyzing trace with hash -781795864, now seen corresponding path program 1 times [2020-12-23 08:53:41,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:41,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409940675] [2020-12-23 08:53:41,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:41,193 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:53:41,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409940675] [2020-12-23 08:53:41,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:41,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:53:41,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961065189] [2020-12-23 08:53:41,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:53:41,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:41,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:53:41,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:53:41,197 INFO L87 Difference]: Start difference. First operand 158411 states and 277989 transitions. Second operand 6 states.