/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_spec1_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:48:53,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:48:53,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:48:53,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:48:53,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:48:53,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:48:53,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:48:53,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:48:53,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:48:53,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:48:53,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:48:53,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:48:53,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:48:53,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:48:53,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:48:53,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:48:53,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:48:53,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:48:53,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:48:53,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:48:53,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:48:53,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:48:53,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:48:53,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:48:53,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:48:53,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:48:53,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:48:53,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:48:53,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:48:53,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:48:53,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:48:53,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:48:53,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:48:53,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:48:53,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:48:53,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:48:53,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:48:53,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:48:53,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:48:53,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:48:53,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:48:53,562 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 08:48:53,610 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:48:53,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:48:53,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:48:53,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:48:53,617 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:48:53,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:48:53,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:48:53,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:48:53,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:48:53,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:48:53,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:48:53,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:48:53,620 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:48:53,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:48:53,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:48:53,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:48:53,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:48:53,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:48:53,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:48:53,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:48:53,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:48:53,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:48:53,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:48:53,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:48:53,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:48:53,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:48:54,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:48:54,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:48:54,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:48:54,105 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:48:54,105 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:48:54,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product21.cil.c [2020-12-23 08:48:54,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/64fb5f7f6/92ea503854e04d82b7bcd2309ffe2644/FLAG557890d58 [2020-12-23 08:48:55,068 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:48:55,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product21.cil.c [2020-12-23 08:48:55,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/64fb5f7f6/92ea503854e04d82b7bcd2309ffe2644/FLAG557890d58 [2020-12-23 08:48:55,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/64fb5f7f6/92ea503854e04d82b7bcd2309ffe2644 [2020-12-23 08:48:55,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:48:55,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:48:55,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:48:55,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:48:55,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:48:55,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:48:55" (1/1) ... [2020-12-23 08:48:55,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37852bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:55, skipping insertion in model container [2020-12-23 08:48:55,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:48:55" (1/1) ... [2020-12-23 08:48:55,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:48:55,367 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] 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[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~10,] 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[~__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[~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___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] 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_tmp9~1,] 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_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] 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_tmp7~2,] 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[~tmp~6,] 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_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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_tmp7~3,] 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_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~7,] 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~16,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] 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_13~0,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] 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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] 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[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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~22,] 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[~__cil_tmp4~4,] 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_counter~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~27,] 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[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~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[~retValue_acc~28,] 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~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[~retValue_acc~29,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~31,] 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[~retValue_acc~31,] 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[~retValue_acc~31,] 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[~retValue_acc~31,] 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[~retValue_acc~31,] 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[~retValue_acc~32,] 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[~retValue_acc~32,] 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[~retValue_acc~32,] 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[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] 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~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[~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[~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[~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[~retValue_acc~33,] 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~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[~retValue_acc~34,] 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~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[~retValue_acc~35,] 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~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[~retValue_acc~36,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] 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~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[~retValue_acc~42,] 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[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] 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_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] [2020-12-23 08:48:56,029 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_spec1_product21.cil.c[63067,63080] [2020-12-23 08:48:56,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:48:56,056 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] 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[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~10,] 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[~__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[~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___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] 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_tmp9~1,] 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_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] 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_tmp7~2,] 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[~tmp~6,] 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_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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_tmp7~3,] 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_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~7,] 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~16,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] 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_13~0,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] 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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] 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[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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~22,] 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[~__cil_tmp4~4,] 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_counter~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~27,] 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[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~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[~retValue_acc~28,] 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~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[~retValue_acc~29,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~31,] 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[~retValue_acc~31,] 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[~retValue_acc~31,] 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[~retValue_acc~31,] 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[~retValue_acc~31,] 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[~retValue_acc~32,] 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[~retValue_acc~32,] 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[~retValue_acc~32,] 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[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] 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~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[~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[~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[~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[~retValue_acc~33,] 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~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[~retValue_acc~34,] 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~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[~retValue_acc~35,] 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~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[~retValue_acc~36,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] 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~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[~retValue_acc~42,] 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[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] 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_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] [2020-12-23 08:48:56,262 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_spec1_product21.cil.c[63067,63080] [2020-12-23 08:48:56,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:48:56,362 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:48:56,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:56 WrapperNode [2020-12-23 08:48:56,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:48:56,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:48:56,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:48:56,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:48:56,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:56" (1/1) ... [2020-12-23 08:48:56,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:56" (1/1) ... [2020-12-23 08:48:56,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:48:56,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:48:56,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:48:56,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:48:56,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:56" (1/1) ... [2020-12-23 08:48:56,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:56" (1/1) ... [2020-12-23 08:48:56,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:56" (1/1) ... [2020-12-23 08:48:56,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:56" (1/1) ... [2020-12-23 08:48:56,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:56" (1/1) ... [2020-12-23 08:48:56,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:56" (1/1) ... [2020-12-23 08:48:56,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:56" (1/1) ... [2020-12-23 08:48:56,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:48:56,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:48:56,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:48:56,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:48:56,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:56" (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 08:48:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:48:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:48:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:48:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:48:56,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:49:00,150 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:49:00,150 INFO L299 CfgBuilder]: Removed 637 assume(true) statements. [2020-12-23 08:49:00,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:49:00 BoogieIcfgContainer [2020-12-23 08:49:00,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:49:00,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:49:00,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:49:00,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:49:00,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:48:55" (1/3) ... [2020-12-23 08:49:00,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d3a8ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:49:00, skipping insertion in model container [2020-12-23 08:49:00,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:56" (2/3) ... [2020-12-23 08:49:00,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d3a8ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:49:00, skipping insertion in model container [2020-12-23 08:49:00,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:49:00" (3/3) ... [2020-12-23 08:49:00,164 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product21.cil.c [2020-12-23 08:49:00,171 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:49:00,178 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 08:49:00,200 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 08:49:00,237 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:49:00,237 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:49:00,238 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:49:00,238 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:49:00,238 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:49:00,238 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:49:00,238 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:49:00,238 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:49:00,275 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states. [2020-12-23 08:49:00,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 08:49:00,289 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:00,290 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] [2020-12-23 08:49:00,291 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:00,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:00,297 INFO L82 PathProgramCache]: Analyzing trace with hash 554024876, now seen corresponding path program 1 times [2020-12-23 08:49:00,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:00,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950830452] [2020-12-23 08:49:00,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:00,791 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 08:49:00,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950830452] [2020-12-23 08:49:00,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:00,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:00,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668644524] [2020-12-23 08:49:00,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:00,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:00,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:00,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:00,822 INFO L87 Difference]: Start difference. First operand 956 states. Second operand 3 states. [2020-12-23 08:49:01,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:01,089 INFO L93 Difference]: Finished difference Result 2833 states and 4892 transitions. [2020-12-23 08:49:01,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:01,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-12-23 08:49:01,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:01,149 INFO L225 Difference]: With dead ends: 2833 [2020-12-23 08:49:01,150 INFO L226 Difference]: Without dead ends: 1640 [2020-12-23 08:49:01,163 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 08:49:01,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2020-12-23 08:49:01,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 829. [2020-12-23 08:49:01,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2020-12-23 08:49:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1429 transitions. [2020-12-23 08:49:01,318 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1429 transitions. Word has length 44 [2020-12-23 08:49:01,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:01,318 INFO L481 AbstractCegarLoop]: Abstraction has 829 states and 1429 transitions. [2020-12-23 08:49:01,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:01,319 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1429 transitions. [2020-12-23 08:49:01,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-23 08:49:01,327 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:01,328 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] [2020-12-23 08:49:01,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:49:01,329 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:01,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:01,331 INFO L82 PathProgramCache]: Analyzing trace with hash 569307018, now seen corresponding path program 1 times [2020-12-23 08:49:01,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:01,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35969043] [2020-12-23 08:49:01,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:01,502 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 08:49:01,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35969043] [2020-12-23 08:49:01,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:01,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:49:01,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808014488] [2020-12-23 08:49:01,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:01,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:01,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:01,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:01,507 INFO L87 Difference]: Start difference. First operand 829 states and 1429 transitions. Second operand 5 states. [2020-12-23 08:49:01,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:01,779 INFO L93 Difference]: Finished difference Result 2436 states and 4203 transitions. [2020-12-23 08:49:01,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:49:01,780 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2020-12-23 08:49:01,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:01,794 INFO L225 Difference]: With dead ends: 2436 [2020-12-23 08:49:01,795 INFO L226 Difference]: Without dead ends: 1626 [2020-12-23 08:49:01,798 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 08:49:01,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1626 states. [2020-12-23 08:49:01,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1626 to 829. [2020-12-23 08:49:01,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2020-12-23 08:49:01,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1428 transitions. [2020-12-23 08:49:01,856 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1428 transitions. Word has length 46 [2020-12-23 08:49:01,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:01,857 INFO L481 AbstractCegarLoop]: Abstraction has 829 states and 1428 transitions. [2020-12-23 08:49:01,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:01,858 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1428 transitions. [2020-12-23 08:49:01,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 08:49:01,862 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:01,863 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] [2020-12-23 08:49:01,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:49:01,864 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:01,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:01,866 INFO L82 PathProgramCache]: Analyzing trace with hash 678431767, now seen corresponding path program 1 times [2020-12-23 08:49:01,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:01,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690389706] [2020-12-23 08:49:01,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:02,031 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 08:49:02,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690389706] [2020-12-23 08:49:02,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:02,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:02,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860122656] [2020-12-23 08:49:02,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:02,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:02,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:02,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:02,035 INFO L87 Difference]: Start difference. First operand 829 states and 1428 transitions. Second operand 3 states. [2020-12-23 08:49:02,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:02,103 INFO L93 Difference]: Finished difference Result 1640 states and 2830 transitions. [2020-12-23 08:49:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:02,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-12-23 08:49:02,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:02,109 INFO L225 Difference]: With dead ends: 1640 [2020-12-23 08:49:02,109 INFO L226 Difference]: Without dead ends: 834 [2020-12-23 08:49:02,111 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 08:49:02,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-12-23 08:49:02,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 829. [2020-12-23 08:49:02,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2020-12-23 08:49:02,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1427 transitions. [2020-12-23 08:49:02,157 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1427 transitions. Word has length 47 [2020-12-23 08:49:02,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:02,158 INFO L481 AbstractCegarLoop]: Abstraction has 829 states and 1427 transitions. [2020-12-23 08:49:02,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:02,159 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1427 transitions. [2020-12-23 08:49:02,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 08:49:02,160 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:02,160 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 08:49:02,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:49:02,161 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:02,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:02,161 INFO L82 PathProgramCache]: Analyzing trace with hash -488220067, now seen corresponding path program 1 times [2020-12-23 08:49:02,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:02,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453310260] [2020-12-23 08:49:02,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:02,279 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 08:49:02,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453310260] [2020-12-23 08:49:02,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:02,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:02,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411782313] [2020-12-23 08:49:02,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:02,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:02,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:02,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:02,283 INFO L87 Difference]: Start difference. First operand 829 states and 1427 transitions. Second operand 3 states. [2020-12-23 08:49:02,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:02,405 INFO L93 Difference]: Finished difference Result 1650 states and 2843 transitions. [2020-12-23 08:49:02,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:02,406 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 08:49:02,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:02,411 INFO L225 Difference]: With dead ends: 1650 [2020-12-23 08:49:02,411 INFO L226 Difference]: Without dead ends: 829 [2020-12-23 08:49:02,413 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 08:49:02,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2020-12-23 08:49:02,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 829. [2020-12-23 08:49:02,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2020-12-23 08:49:02,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1425 transitions. [2020-12-23 08:49:02,455 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1425 transitions. Word has length 48 [2020-12-23 08:49:02,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:02,456 INFO L481 AbstractCegarLoop]: Abstraction has 829 states and 1425 transitions. [2020-12-23 08:49:02,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:02,456 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1425 transitions. [2020-12-23 08:49:02,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 08:49:02,458 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:02,458 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] [2020-12-23 08:49:02,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:49:02,459 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:02,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:02,459 INFO L82 PathProgramCache]: Analyzing trace with hash 539694130, now seen corresponding path program 1 times [2020-12-23 08:49:02,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:02,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045934513] [2020-12-23 08:49:02,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:02,570 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 08:49:02,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045934513] [2020-12-23 08:49:02,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:02,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:49:02,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492910094] [2020-12-23 08:49:02,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:02,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:02,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:02,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:02,575 INFO L87 Difference]: Start difference. First operand 829 states and 1425 transitions. Second operand 5 states. [2020-12-23 08:49:02,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:02,814 INFO L93 Difference]: Finished difference Result 2426 states and 4183 transitions. [2020-12-23 08:49:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:49:02,815 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-12-23 08:49:02,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:02,824 INFO L225 Difference]: With dead ends: 2426 [2020-12-23 08:49:02,824 INFO L226 Difference]: Without dead ends: 1624 [2020-12-23 08:49:02,826 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 08:49:02,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2020-12-23 08:49:02,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 829. [2020-12-23 08:49:02,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2020-12-23 08:49:02,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1424 transitions. [2020-12-23 08:49:02,878 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1424 transitions. Word has length 49 [2020-12-23 08:49:02,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:02,878 INFO L481 AbstractCegarLoop]: Abstraction has 829 states and 1424 transitions. [2020-12-23 08:49:02,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:02,878 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1424 transitions. [2020-12-23 08:49:02,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 08:49:02,880 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:02,881 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 08:49:02,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:49:02,881 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:02,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:02,882 INFO L82 PathProgramCache]: Analyzing trace with hash 752541589, now seen corresponding path program 1 times [2020-12-23 08:49:02,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:02,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453939238] [2020-12-23 08:49:02,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:03,009 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 08:49:03,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453939238] [2020-12-23 08:49:03,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:03,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:49:03,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520306768] [2020-12-23 08:49:03,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:03,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:03,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:03,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:03,011 INFO L87 Difference]: Start difference. First operand 829 states and 1424 transitions. Second operand 5 states. [2020-12-23 08:49:03,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:03,273 INFO L93 Difference]: Finished difference Result 2431 states and 4188 transitions. [2020-12-23 08:49:03,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:49:03,274 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 08:49:03,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:03,284 INFO L225 Difference]: With dead ends: 2431 [2020-12-23 08:49:03,284 INFO L226 Difference]: Without dead ends: 1629 [2020-12-23 08:49:03,286 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 08:49:03,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1629 states. [2020-12-23 08:49:03,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1629 to 829. [2020-12-23 08:49:03,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2020-12-23 08:49:03,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1423 transitions. [2020-12-23 08:49:03,400 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1423 transitions. Word has length 50 [2020-12-23 08:49:03,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:03,401 INFO L481 AbstractCegarLoop]: Abstraction has 829 states and 1423 transitions. [2020-12-23 08:49:03,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:03,401 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1423 transitions. [2020-12-23 08:49:03,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 08:49:03,403 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:03,403 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 08:49:03,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:49:03,404 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:03,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:03,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1182541139, now seen corresponding path program 1 times [2020-12-23 08:49:03,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:03,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748381087] [2020-12-23 08:49:03,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:03,483 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 08:49:03,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748381087] [2020-12-23 08:49:03,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:03,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:03,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674458864] [2020-12-23 08:49:03,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:03,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:03,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:03,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:03,487 INFO L87 Difference]: Start difference. First operand 829 states and 1423 transitions. Second operand 3 states. [2020-12-23 08:49:03,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:03,546 INFO L93 Difference]: Finished difference Result 1377 states and 2340 transitions. [2020-12-23 08:49:03,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:03,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 08:49:03,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:03,552 INFO L225 Difference]: With dead ends: 1377 [2020-12-23 08:49:03,552 INFO L226 Difference]: Without dead ends: 832 [2020-12-23 08:49:03,554 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 08:49:03,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-12-23 08:49:03,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 831. [2020-12-23 08:49:03,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2020-12-23 08:49:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1425 transitions. [2020-12-23 08:49:03,610 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1425 transitions. Word has length 51 [2020-12-23 08:49:03,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:03,611 INFO L481 AbstractCegarLoop]: Abstraction has 831 states and 1425 transitions. [2020-12-23 08:49:03,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1425 transitions. [2020-12-23 08:49:03,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 08:49:03,612 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:03,612 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] [2020-12-23 08:49:03,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:49:03,613 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:03,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:03,613 INFO L82 PathProgramCache]: Analyzing trace with hash 768965803, now seen corresponding path program 1 times [2020-12-23 08:49:03,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:03,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716857694] [2020-12-23 08:49:03,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:03,718 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 08:49:03,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716857694] [2020-12-23 08:49:03,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:03,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:03,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223421002] [2020-12-23 08:49:03,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:03,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:03,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:03,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:03,721 INFO L87 Difference]: Start difference. First operand 831 states and 1425 transitions. Second operand 3 states. [2020-12-23 08:49:03,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:03,825 INFO L93 Difference]: Finished difference Result 2379 states and 4099 transitions. [2020-12-23 08:49:03,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:03,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-12-23 08:49:03,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:03,837 INFO L225 Difference]: With dead ends: 2379 [2020-12-23 08:49:03,837 INFO L226 Difference]: Without dead ends: 1579 [2020-12-23 08:49:03,841 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 08:49:03,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2020-12-23 08:49:03,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1034. [2020-12-23 08:49:03,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2020-12-23 08:49:03,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1800 transitions. [2020-12-23 08:49:03,914 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1800 transitions. Word has length 57 [2020-12-23 08:49:03,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:03,914 INFO L481 AbstractCegarLoop]: Abstraction has 1034 states and 1800 transitions. [2020-12-23 08:49:03,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:03,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1800 transitions. [2020-12-23 08:49:03,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 08:49:03,916 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:03,916 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] [2020-12-23 08:49:03,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:49:03,917 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:03,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:03,917 INFO L82 PathProgramCache]: Analyzing trace with hash -216552502, now seen corresponding path program 1 times [2020-12-23 08:49:03,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:03,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218870070] [2020-12-23 08:49:03,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:03,993 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 08:49:03,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218870070] [2020-12-23 08:49:03,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702895013] [2020-12-23 08:49:03,999 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 08:49:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:04,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:49:04,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:49:04,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 08:49:04,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 08:49:04,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 08:49:04,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579504934] [2020-12-23 08:49:04,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:04,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:04,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:04,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:04,653 INFO L87 Difference]: Start difference. First operand 1034 states and 1800 transitions. Second operand 3 states. [2020-12-23 08:49:04,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:04,748 INFO L93 Difference]: Finished difference Result 1472 states and 2530 transitions. [2020-12-23 08:49:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:04,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-23 08:49:04,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:04,755 INFO L225 Difference]: With dead ends: 1472 [2020-12-23 08:49:04,755 INFO L226 Difference]: Without dead ends: 1022 [2020-12-23 08:49:04,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:04,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2020-12-23 08:49:04,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 1022. [2020-12-23 08:49:04,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2020-12-23 08:49:04,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1782 transitions. [2020-12-23 08:49:04,827 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1782 transitions. Word has length 58 [2020-12-23 08:49:04,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:04,827 INFO L481 AbstractCegarLoop]: Abstraction has 1022 states and 1782 transitions. [2020-12-23 08:49:04,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1782 transitions. [2020-12-23 08:49:04,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-23 08:49:04,830 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:04,830 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, 1, 1, 1, 1, 1, 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 08:49:05,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 08:49:05,046 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:05,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:05,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1388086149, now seen corresponding path program 1 times [2020-12-23 08:49:05,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:05,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773202374] [2020-12-23 08:49:05,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:05,125 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 08:49:05,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773202374] [2020-12-23 08:49:05,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010508420] [2020-12-23 08:49:05,126 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:49:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:05,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:49:05,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:49:05,686 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 08:49:05,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:49:05,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:49:05,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499048714] [2020-12-23 08:49:05,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:05,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:05,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:05,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:05,688 INFO L87 Difference]: Start difference. First operand 1022 states and 1782 transitions. Second operand 5 states. [2020-12-23 08:49:05,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:05,838 INFO L93 Difference]: Finished difference Result 2347 states and 4048 transitions. [2020-12-23 08:49:05,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:49:05,839 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-12-23 08:49:05,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:05,849 INFO L225 Difference]: With dead ends: 2347 [2020-12-23 08:49:05,849 INFO L226 Difference]: Without dead ends: 1814 [2020-12-23 08:49:05,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 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 08:49:05,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2020-12-23 08:49:05,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1279. [2020-12-23 08:49:05,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1279 states. [2020-12-23 08:49:05,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 2254 transitions. [2020-12-23 08:49:05,951 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 2254 transitions. Word has length 91 [2020-12-23 08:49:05,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:05,951 INFO L481 AbstractCegarLoop]: Abstraction has 1279 states and 2254 transitions. [2020-12-23 08:49:05,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:05,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 2254 transitions. [2020-12-23 08:49:05,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 08:49:05,961 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:05,961 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, 1, 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 08:49:06,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 08:49:06,176 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:06,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:06,176 INFO L82 PathProgramCache]: Analyzing trace with hash 397482376, now seen corresponding path program 1 times [2020-12-23 08:49:06,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:06,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520920492] [2020-12-23 08:49:06,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:06,298 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 08:49:06,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520920492] [2020-12-23 08:49:06,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:06,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:06,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221666173] [2020-12-23 08:49:06,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:06,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:06,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:06,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:06,301 INFO L87 Difference]: Start difference. First operand 1279 states and 2254 transitions. Second operand 3 states. [2020-12-23 08:49:06,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:06,454 INFO L93 Difference]: Finished difference Result 3460 states and 6104 transitions. [2020-12-23 08:49:06,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:06,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-12-23 08:49:06,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:06,469 INFO L225 Difference]: With dead ends: 3460 [2020-12-23 08:49:06,470 INFO L226 Difference]: Without dead ends: 2270 [2020-12-23 08:49:06,474 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 08:49:06,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2270 states. [2020-12-23 08:49:06,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2270 to 1737. [2020-12-23 08:49:06,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1737 states. [2020-12-23 08:49:06,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1737 states and 3096 transitions. [2020-12-23 08:49:06,631 INFO L78 Accepts]: Start accepts. Automaton has 1737 states and 3096 transitions. Word has length 97 [2020-12-23 08:49:06,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:06,631 INFO L481 AbstractCegarLoop]: Abstraction has 1737 states and 3096 transitions. [2020-12-23 08:49:06,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:06,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 3096 transitions. [2020-12-23 08:49:06,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 08:49:06,636 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:06,636 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, 1, 1, 1, 1, 1, 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 08:49:06,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 08:49:06,636 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:06,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:06,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1226255512, now seen corresponding path program 2 times [2020-12-23 08:49:06,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:06,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038007661] [2020-12-23 08:49:06,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:06,717 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 08:49:06,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038007661] [2020-12-23 08:49:06,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:06,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:06,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010579444] [2020-12-23 08:49:06,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:06,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:06,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:06,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:06,719 INFO L87 Difference]: Start difference. First operand 1737 states and 3096 transitions. Second operand 3 states. [2020-12-23 08:49:06,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:06,867 INFO L93 Difference]: Finished difference Result 3717 states and 6574 transitions. [2020-12-23 08:49:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:06,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-23 08:49:06,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:06,880 INFO L225 Difference]: With dead ends: 3717 [2020-12-23 08:49:06,881 INFO L226 Difference]: Without dead ends: 2270 [2020-12-23 08:49:06,884 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 08:49:06,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2270 states. [2020-12-23 08:49:06,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2270 to 1737. [2020-12-23 08:49:06,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1737 states. [2020-12-23 08:49:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1737 states and 3094 transitions. [2020-12-23 08:49:07,002 INFO L78 Accepts]: Start accepts. Automaton has 1737 states and 3094 transitions. Word has length 98 [2020-12-23 08:49:07,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:07,003 INFO L481 AbstractCegarLoop]: Abstraction has 1737 states and 3094 transitions. [2020-12-23 08:49:07,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 3094 transitions. [2020-12-23 08:49:07,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 08:49:07,007 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:07,008 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, 1, 1, 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 08:49:07,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:49:07,008 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:07,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:07,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1066143513, now seen corresponding path program 1 times [2020-12-23 08:49:07,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:07,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091519076] [2020-12-23 08:49:07,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:07,086 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 08:49:07,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091519076] [2020-12-23 08:49:07,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:07,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:07,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643138461] [2020-12-23 08:49:07,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:07,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:07,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:07,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:07,088 INFO L87 Difference]: Start difference. First operand 1737 states and 3094 transitions. Second operand 3 states. [2020-12-23 08:49:07,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:07,294 INFO L93 Difference]: Finished difference Result 4806 states and 8579 transitions. [2020-12-23 08:49:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:07,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-23 08:49:07,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:07,312 INFO L225 Difference]: With dead ends: 4806 [2020-12-23 08:49:07,312 INFO L226 Difference]: Without dead ends: 3166 [2020-12-23 08:49:07,317 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 08:49:07,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2020-12-23 08:49:07,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 2633. [2020-12-23 08:49:07,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2633 states. [2020-12-23 08:49:07,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 4741 transitions. [2020-12-23 08:49:07,489 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 4741 transitions. Word has length 98 [2020-12-23 08:49:07,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:07,489 INFO L481 AbstractCegarLoop]: Abstraction has 2633 states and 4741 transitions. [2020-12-23 08:49:07,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:07,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 4741 transitions. [2020-12-23 08:49:07,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 08:49:07,497 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:07,497 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, 1, 1, 1, 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 08:49:07,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:49:07,497 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:07,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:07,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1364835078, now seen corresponding path program 1 times [2020-12-23 08:49:07,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:07,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225890567] [2020-12-23 08:49:07,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:07,576 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 08:49:07,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225890567] [2020-12-23 08:49:07,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:07,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:07,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363410414] [2020-12-23 08:49:07,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:07,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:07,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:07,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:07,579 INFO L87 Difference]: Start difference. First operand 2633 states and 4741 transitions. Second operand 3 states. [2020-12-23 08:49:07,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:07,915 INFO L93 Difference]: Finished difference Result 7230 states and 13039 transitions. [2020-12-23 08:49:07,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:07,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-23 08:49:07,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:07,942 INFO L225 Difference]: With dead ends: 7230 [2020-12-23 08:49:07,942 INFO L226 Difference]: Without dead ends: 4728 [2020-12-23 08:49:07,948 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 08:49:07,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4728 states. [2020-12-23 08:49:08,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4728 to 4195. [2020-12-23 08:49:08,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4195 states. [2020-12-23 08:49:08,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 4195 states and 7610 transitions. [2020-12-23 08:49:08,273 INFO L78 Accepts]: Start accepts. Automaton has 4195 states and 7610 transitions. Word has length 99 [2020-12-23 08:49:08,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:08,274 INFO L481 AbstractCegarLoop]: Abstraction has 4195 states and 7610 transitions. [2020-12-23 08:49:08,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:08,274 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 7610 transitions. [2020-12-23 08:49:08,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 08:49:08,284 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:08,284 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, 1, 1, 1, 1, 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 08:49:08,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:49:08,285 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:08,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:08,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1130957656, now seen corresponding path program 1 times [2020-12-23 08:49:08,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:08,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205870553] [2020-12-23 08:49:08,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:08,362 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 08:49:08,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205870553] [2020-12-23 08:49:08,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:08,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:08,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465462418] [2020-12-23 08:49:08,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:08,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:08,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:08,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:08,364 INFO L87 Difference]: Start difference. First operand 4195 states and 7610 transitions. Second operand 3 states. [2020-12-23 08:49:08,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:08,924 INFO L93 Difference]: Finished difference Result 11632 states and 21129 transitions. [2020-12-23 08:49:08,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:08,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-12-23 08:49:08,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:08,952 INFO L225 Difference]: With dead ends: 11632 [2020-12-23 08:49:08,952 INFO L226 Difference]: Without dead ends: 7602 [2020-12-23 08:49:08,962 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 08:49:08,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7602 states. [2020-12-23 08:49:09,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7602 to 7069. [2020-12-23 08:49:09,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7069 states. [2020-12-23 08:49:09,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7069 states to 7069 states and 12883 transitions. [2020-12-23 08:49:09,489 INFO L78 Accepts]: Start accepts. Automaton has 7069 states and 12883 transitions. Word has length 100 [2020-12-23 08:49:09,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:09,489 INFO L481 AbstractCegarLoop]: Abstraction has 7069 states and 12883 transitions. [2020-12-23 08:49:09,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:09,489 INFO L276 IsEmpty]: Start isEmpty. Operand 7069 states and 12883 transitions. [2020-12-23 08:49:09,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 08:49:09,508 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:09,509 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] [2020-12-23 08:49:09,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:49:09,509 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:09,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:09,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1822689732, now seen corresponding path program 1 times [2020-12-23 08:49:09,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:09,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183168331] [2020-12-23 08:49:09,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:09,632 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 08:49:09,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183168331] [2020-12-23 08:49:09,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:09,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:49:09,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831037665] [2020-12-23 08:49:09,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:09,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:09,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:09,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:09,636 INFO L87 Difference]: Start difference. First operand 7069 states and 12883 transitions. Second operand 5 states. [2020-12-23 08:49:10,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:10,569 INFO L93 Difference]: Finished difference Result 20340 states and 37102 transitions. [2020-12-23 08:49:10,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:49:10,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2020-12-23 08:49:10,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:10,618 INFO L225 Difference]: With dead ends: 20340 [2020-12-23 08:49:10,618 INFO L226 Difference]: Without dead ends: 13561 [2020-12-23 08:49:10,634 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 08:49:10,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13561 states. [2020-12-23 08:49:11,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13561 to 7069. [2020-12-23 08:49:11,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7069 states. [2020-12-23 08:49:11,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7069 states to 7069 states and 12833 transitions. [2020-12-23 08:49:11,214 INFO L78 Accepts]: Start accepts. Automaton has 7069 states and 12833 transitions. Word has length 101 [2020-12-23 08:49:11,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:11,214 INFO L481 AbstractCegarLoop]: Abstraction has 7069 states and 12833 transitions. [2020-12-23 08:49:11,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:11,214 INFO L276 IsEmpty]: Start isEmpty. Operand 7069 states and 12833 transitions. [2020-12-23 08:49:11,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 08:49:11,232 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:11,232 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, 1, 1, 1, 1, 1, 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 08:49:11,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:49:11,232 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:11,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:11,233 INFO L82 PathProgramCache]: Analyzing trace with hash 229783157, now seen corresponding path program 1 times [2020-12-23 08:49:11,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:11,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670063831] [2020-12-23 08:49:11,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:11,311 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 08:49:11,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670063831] [2020-12-23 08:49:11,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:11,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:11,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704800805] [2020-12-23 08:49:11,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:11,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:11,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:11,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:11,313 INFO L87 Difference]: Start difference. First operand 7069 states and 12833 transitions. Second operand 3 states. [2020-12-23 08:49:12,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:12,183 INFO L93 Difference]: Finished difference Result 20580 states and 37412 transitions. [2020-12-23 08:49:12,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:12,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-12-23 08:49:12,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:12,236 INFO L225 Difference]: With dead ends: 20580 [2020-12-23 08:49:12,237 INFO L226 Difference]: Without dead ends: 13684 [2020-12-23 08:49:12,254 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 08:49:12,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13684 states. [2020-12-23 08:49:13,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13684 to 13151. [2020-12-23 08:49:13,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13151 states. [2020-12-23 08:49:13,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13151 states to 13151 states and 23938 transitions. [2020-12-23 08:49:13,217 INFO L78 Accepts]: Start accepts. Automaton has 13151 states and 23938 transitions. Word has length 101 [2020-12-23 08:49:13,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:13,217 INFO L481 AbstractCegarLoop]: Abstraction has 13151 states and 23938 transitions. [2020-12-23 08:49:13,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:13,217 INFO L276 IsEmpty]: Start isEmpty. Operand 13151 states and 23938 transitions. [2020-12-23 08:49:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 08:49:13,245 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:13,245 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] [2020-12-23 08:49:13,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:49:13,246 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:13,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:13,246 INFO L82 PathProgramCache]: Analyzing trace with hash -25388887, now seen corresponding path program 1 times [2020-12-23 08:49:13,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:13,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258889147] [2020-12-23 08:49:13,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:13,483 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 08:49:13,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258889147] [2020-12-23 08:49:13,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:13,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:49:13,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420100986] [2020-12-23 08:49:13,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:49:13,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:13,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:49:13,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:49:13,486 INFO L87 Difference]: Start difference. First operand 13151 states and 23938 transitions. Second operand 9 states. [2020-12-23 08:49:16,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:16,512 INFO L93 Difference]: Finished difference Result 28630 states and 51720 transitions. [2020-12-23 08:49:16,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 08:49:16,512 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-12-23 08:49:16,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:16,615 INFO L225 Difference]: With dead ends: 28630 [2020-12-23 08:49:16,615 INFO L226 Difference]: Without dead ends: 28154 [2020-12-23 08:49:16,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2020-12-23 08:49:16,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28154 states. [2020-12-23 08:49:18,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28154 to 26035. [2020-12-23 08:49:18,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26035 states. [2020-12-23 08:49:18,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26035 states to 26035 states and 47420 transitions. [2020-12-23 08:49:18,203 INFO L78 Accepts]: Start accepts. Automaton has 26035 states and 47420 transitions. Word has length 102 [2020-12-23 08:49:18,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:18,203 INFO L481 AbstractCegarLoop]: Abstraction has 26035 states and 47420 transitions. [2020-12-23 08:49:18,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:49:18,203 INFO L276 IsEmpty]: Start isEmpty. Operand 26035 states and 47420 transitions. [2020-12-23 08:49:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-23 08:49:18,286 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:18,286 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 08:49:18,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:49:18,287 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:18,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:18,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1375908620, now seen corresponding path program 1 times [2020-12-23 08:49:18,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:18,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407462532] [2020-12-23 08:49:18,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:18,382 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 08:49:18,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407462532] [2020-12-23 08:49:18,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:18,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:49:18,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989849971] [2020-12-23 08:49:18,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:49:18,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:18,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:49:18,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:49:18,385 INFO L87 Difference]: Start difference. First operand 26035 states and 47420 transitions. Second operand 4 states. [2020-12-23 08:49:19,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:19,575 INFO L93 Difference]: Finished difference Result 27017 states and 49059 transitions. [2020-12-23 08:49:19,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:49:19,576 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2020-12-23 08:49:19,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:19,666 INFO L225 Difference]: With dead ends: 27017 [2020-12-23 08:49:19,666 INFO L226 Difference]: Without dead ends: 26489 [2020-12-23 08:49:19,676 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 08:49:19,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26489 states. [2020-12-23 08:49:20,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26489 to 26034. [2020-12-23 08:49:20,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26034 states. [2020-12-23 08:49:20,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26034 states to 26034 states and 47416 transitions. [2020-12-23 08:49:20,928 INFO L78 Accepts]: Start accepts. Automaton has 26034 states and 47416 transitions. Word has length 103 [2020-12-23 08:49:20,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:20,928 INFO L481 AbstractCegarLoop]: Abstraction has 26034 states and 47416 transitions. [2020-12-23 08:49:20,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:49:20,928 INFO L276 IsEmpty]: Start isEmpty. Operand 26034 states and 47416 transitions. [2020-12-23 08:49:20,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 08:49:20,963 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:20,964 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 08:49:20,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:49:20,964 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:20,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:20,965 INFO L82 PathProgramCache]: Analyzing trace with hash -326549261, now seen corresponding path program 1 times [2020-12-23 08:49:20,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:20,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036685519] [2020-12-23 08:49:20,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:21,071 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 08:49:21,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036685519] [2020-12-23 08:49:21,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:21,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:49:21,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371796086] [2020-12-23 08:49:21,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:49:21,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:21,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:49:21,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:49:21,074 INFO L87 Difference]: Start difference. First operand 26034 states and 47416 transitions. Second operand 7 states. [2020-12-23 08:49:22,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:22,207 INFO L93 Difference]: Finished difference Result 27163 states and 49287 transitions. [2020-12-23 08:49:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:49:22,208 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2020-12-23 08:49:22,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:22,289 INFO L225 Difference]: With dead ends: 27163 [2020-12-23 08:49:22,289 INFO L226 Difference]: Without dead ends: 26245 [2020-12-23 08:49:22,300 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-12-23 08:49:22,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26245 states. [2020-12-23 08:49:23,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26245 to 25998. [2020-12-23 08:49:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25998 states. [2020-12-23 08:49:23,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25998 states to 25998 states and 47335 transitions. [2020-12-23 08:49:23,748 INFO L78 Accepts]: Start accepts. Automaton has 25998 states and 47335 transitions. Word has length 104 [2020-12-23 08:49:23,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:23,749 INFO L481 AbstractCegarLoop]: Abstraction has 25998 states and 47335 transitions. [2020-12-23 08:49:23,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:49:23,749 INFO L276 IsEmpty]: Start isEmpty. Operand 25998 states and 47335 transitions. [2020-12-23 08:49:23,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 08:49:23,784 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:23,785 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 08:49:23,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:49:23,785 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:23,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:23,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1618152219, now seen corresponding path program 1 times [2020-12-23 08:49:23,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:23,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74589817] [2020-12-23 08:49:23,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:24,102 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 08:49:24,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74589817] [2020-12-23 08:49:24,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:24,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:49:24,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718663400] [2020-12-23 08:49:24,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:49:24,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:24,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:49:24,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:49:24,108 INFO L87 Difference]: Start difference. First operand 25998 states and 47335 transitions. Second operand 9 states. [2020-12-23 08:49:27,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:27,927 INFO L93 Difference]: Finished difference Result 57123 states and 103152 transitions. [2020-12-23 08:49:27,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 08:49:27,928 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 104 [2020-12-23 08:49:27,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:28,056 INFO L225 Difference]: With dead ends: 57123 [2020-12-23 08:49:28,056 INFO L226 Difference]: Without dead ends: 56241 [2020-12-23 08:49:28,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552 [2020-12-23 08:49:28,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56241 states. [2020-12-23 08:49:30,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56241 to 51942. [2020-12-23 08:49:30,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51942 states. [2020-12-23 08:49:30,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51942 states to 51942 states and 94562 transitions. [2020-12-23 08:49:30,716 INFO L78 Accepts]: Start accepts. Automaton has 51942 states and 94562 transitions. Word has length 104 [2020-12-23 08:49:30,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:30,716 INFO L481 AbstractCegarLoop]: Abstraction has 51942 states and 94562 transitions. [2020-12-23 08:49:30,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:49:30,716 INFO L276 IsEmpty]: Start isEmpty. Operand 51942 states and 94562 transitions. [2020-12-23 08:49:30,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 08:49:30,775 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:30,775 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 08:49:30,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:49:30,776 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:30,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:30,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1265063837, now seen corresponding path program 1 times [2020-12-23 08:49:30,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:30,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778132645] [2020-12-23 08:49:30,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:30,920 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 08:49:30,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778132645] [2020-12-23 08:49:30,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:30,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:49:30,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622104805] [2020-12-23 08:49:30,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:49:30,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:30,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:49:30,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:49:30,922 INFO L87 Difference]: Start difference. First operand 51942 states and 94562 transitions. Second operand 9 states. [2020-12-23 08:49:34,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:34,856 INFO L93 Difference]: Finished difference Result 61382 states and 110148 transitions. [2020-12-23 08:49:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:49:34,859 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 104 [2020-12-23 08:49:34,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:34,987 INFO L225 Difference]: With dead ends: 61382 [2020-12-23 08:49:34,987 INFO L226 Difference]: Without dead ends: 59625 [2020-12-23 08:49:35,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2020-12-23 08:49:35,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59625 states. [2020-12-23 08:49:37,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59625 to 52492. [2020-12-23 08:49:37,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52492 states. [2020-12-23 08:49:37,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52492 states to 52492 states and 95445 transitions. [2020-12-23 08:49:37,654 INFO L78 Accepts]: Start accepts. Automaton has 52492 states and 95445 transitions. Word has length 104 [2020-12-23 08:49:37,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:37,654 INFO L481 AbstractCegarLoop]: Abstraction has 52492 states and 95445 transitions. [2020-12-23 08:49:37,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:49:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 52492 states and 95445 transitions. [2020-12-23 08:49:37,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 08:49:37,704 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:37,704 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 08:49:37,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:49:37,704 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:37,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:37,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1017736834, now seen corresponding path program 1 times [2020-12-23 08:49:37,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:37,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992477415] [2020-12-23 08:49:37,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:37,859 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 08:49:37,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992477415] [2020-12-23 08:49:37,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:37,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:49:37,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562809050] [2020-12-23 08:49:37,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:49:37,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:37,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:49:37,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:49:37,862 INFO L87 Difference]: Start difference. First operand 52492 states and 95445 transitions. Second operand 11 states. [2020-12-23 08:49:43,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:43,405 INFO L93 Difference]: Finished difference Result 65534 states and 116957 transitions. [2020-12-23 08:49:43,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-23 08:49:43,406 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 105 [2020-12-23 08:49:43,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:43,539 INFO L225 Difference]: With dead ends: 65534 [2020-12-23 08:49:43,539 INFO L226 Difference]: Without dead ends: 63510 [2020-12-23 08:49:43,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=419, Invalid=1221, Unknown=0, NotChecked=0, Total=1640 [2020-12-23 08:49:43,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63510 states. [2020-12-23 08:49:45,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63510 to 52998. [2020-12-23 08:49:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52998 states. [2020-12-23 08:49:46,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52998 states to 52998 states and 96281 transitions. [2020-12-23 08:49:46,013 INFO L78 Accepts]: Start accepts. Automaton has 52998 states and 96281 transitions. Word has length 105 [2020-12-23 08:49:46,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:46,013 INFO L481 AbstractCegarLoop]: Abstraction has 52998 states and 96281 transitions. [2020-12-23 08:49:46,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:49:46,013 INFO L276 IsEmpty]: Start isEmpty. Operand 52998 states and 96281 transitions. [2020-12-23 08:49:46,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 08:49:46,279 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:46,279 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 08:49:46,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:49:46,279 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:46,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:46,280 INFO L82 PathProgramCache]: Analyzing trace with hash -487628900, now seen corresponding path program 1 times [2020-12-23 08:49:46,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:46,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387234427] [2020-12-23 08:49:46,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:46,442 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 08:49:46,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387234427] [2020-12-23 08:49:46,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:46,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:49:46,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648886707] [2020-12-23 08:49:46,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:49:46,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:46,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:49:46,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:49:46,444 INFO L87 Difference]: Start difference. First operand 52998 states and 96281 transitions. Second operand 9 states. [2020-12-23 08:49:49,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:49,077 INFO L93 Difference]: Finished difference Result 56943 states and 102769 transitions. [2020-12-23 08:49:49,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 08:49:49,077 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 105 [2020-12-23 08:49:49,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:49,182 INFO L225 Difference]: With dead ends: 56943 [2020-12-23 08:49:49,182 INFO L226 Difference]: Without dead ends: 53762 [2020-12-23 08:49:49,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2020-12-23 08:49:49,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53762 states. [2020-12-23 08:49:51,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53762 to 52498. [2020-12-23 08:49:51,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52498 states. [2020-12-23 08:49:51,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52498 states to 52498 states and 95409 transitions. [2020-12-23 08:49:51,594 INFO L78 Accepts]: Start accepts. Automaton has 52498 states and 95409 transitions. Word has length 105 [2020-12-23 08:49:51,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:51,594 INFO L481 AbstractCegarLoop]: Abstraction has 52498 states and 95409 transitions. [2020-12-23 08:49:51,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:49:51,595 INFO L276 IsEmpty]: Start isEmpty. Operand 52498 states and 95409 transitions. [2020-12-23 08:49:51,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 08:49:51,645 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:51,645 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 08:49:51,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:49:51,646 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:51,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:51,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1825575751, now seen corresponding path program 1 times [2020-12-23 08:49:51,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:51,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134294136] [2020-12-23 08:49:51,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:51,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134294136] [2020-12-23 08:49:51,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752063915] [2020-12-23 08:49:51,763 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:49:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:52,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 1153 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 08:49:52,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:49:52,444 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:52,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:49:52,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2020-12-23 08:49:52,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912845403] [2020-12-23 08:49:52,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:49:52,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:52,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:49:52,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:49:52,446 INFO L87 Difference]: Start difference. First operand 52498 states and 95409 transitions. Second operand 10 states. [2020-12-23 08:49:55,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:55,881 INFO L93 Difference]: Finished difference Result 66877 states and 119490 transitions. [2020-12-23 08:49:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 08:49:55,882 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 106 [2020-12-23 08:49:55,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:55,981 INFO L225 Difference]: With dead ends: 66877 [2020-12-23 08:49:55,981 INFO L226 Difference]: Without dead ends: 64062 [2020-12-23 08:49:56,003 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2020-12-23 08:49:56,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64062 states. [2020-12-23 08:49:58,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64062 to 57236. [2020-12-23 08:49:58,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57236 states. [2020-12-23 08:49:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57236 states to 57236 states and 103857 transitions. [2020-12-23 08:49:58,675 INFO L78 Accepts]: Start accepts. Automaton has 57236 states and 103857 transitions. Word has length 106 [2020-12-23 08:49:58,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:58,675 INFO L481 AbstractCegarLoop]: Abstraction has 57236 states and 103857 transitions. [2020-12-23 08:49:58,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:49:58,675 INFO L276 IsEmpty]: Start isEmpty. Operand 57236 states and 103857 transitions. [2020-12-23 08:49:58,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-23 08:49:58,723 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:58,723 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:49:58,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-12-23 08:49:58,924 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:58,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:58,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1170313370, now seen corresponding path program 1 times [2020-12-23 08:49:58,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:58,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577450048] [2020-12-23 08:49:58,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:58,996 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 08:49:58,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577450048] [2020-12-23 08:49:58,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:58,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:58,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142676568] [2020-12-23 08:49:58,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:58,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:58,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:58,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:58,998 INFO L87 Difference]: Start difference. First operand 57236 states and 103857 transitions. Second operand 3 states. [2020-12-23 08:50:03,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:03,510 INFO L93 Difference]: Finished difference Result 163992 states and 298077 transitions. [2020-12-23 08:50:03,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:03,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-12-23 08:50:03,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:03,735 INFO L225 Difference]: With dead ends: 163992 [2020-12-23 08:50:03,736 INFO L226 Difference]: Without dead ends: 108876 [2020-12-23 08:50:03,802 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 08:50:04,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108876 states. [2020-12-23 08:50:08,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108876 to 105668. [2020-12-23 08:50:08,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105668 states. [2020-12-23 08:50:09,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105668 states to 105668 states and 192412 transitions. [2020-12-23 08:50:09,075 INFO L78 Accepts]: Start accepts. Automaton has 105668 states and 192412 transitions. Word has length 108 [2020-12-23 08:50:09,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:09,075 INFO L481 AbstractCegarLoop]: Abstraction has 105668 states and 192412 transitions. [2020-12-23 08:50:09,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:09,075 INFO L276 IsEmpty]: Start isEmpty. Operand 105668 states and 192412 transitions. [2020-12-23 08:50:09,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-23 08:50:09,162 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:09,162 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:50:09,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:50:09,162 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:09,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:09,163 INFO L82 PathProgramCache]: Analyzing trace with hash -213419257, now seen corresponding path program 1 times [2020-12-23 08:50:09,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:09,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461339741] [2020-12-23 08:50:09,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:09,231 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 08:50:09,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461339741] [2020-12-23 08:50:09,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:09,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:50:09,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333428672] [2020-12-23 08:50:09,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:09,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:09,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:09,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:09,233 INFO L87 Difference]: Start difference. First operand 105668 states and 192412 transitions. Second operand 3 states. [2020-12-23 08:50:17,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:17,383 INFO L93 Difference]: Finished difference Result 286674 states and 520307 transitions. [2020-12-23 08:50:17,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:17,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-12-23 08:50:17,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:17,794 INFO L225 Difference]: With dead ends: 286674 [2020-12-23 08:50:17,794 INFO L226 Difference]: Without dead ends: 184023 [2020-12-23 08:50:17,900 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 08:50:18,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184023 states. [2020-12-23 08:50:25,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184023 to 180815. [2020-12-23 08:50:25,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180815 states. [2020-12-23 08:50:26,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180815 states to 180815 states and 327483 transitions. [2020-12-23 08:50:26,367 INFO L78 Accepts]: Start accepts. Automaton has 180815 states and 327483 transitions. Word has length 109 [2020-12-23 08:50:26,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:26,367 INFO L481 AbstractCegarLoop]: Abstraction has 180815 states and 327483 transitions. [2020-12-23 08:50:26,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:26,367 INFO L276 IsEmpty]: Start isEmpty. Operand 180815 states and 327483 transitions. [2020-12-23 08:50:26,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-23 08:50:26,485 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:26,485 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:50:26,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:50:26,485 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:26,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:26,486 INFO L82 PathProgramCache]: Analyzing trace with hash -218470648, now seen corresponding path program 1 times [2020-12-23 08:50:26,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:26,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840543037] [2020-12-23 08:50:26,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:26,604 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 08:50:26,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840543037] [2020-12-23 08:50:26,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:26,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:50:26,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451456999] [2020-12-23 08:50:26,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:26,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:26,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:26,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:26,606 INFO L87 Difference]: Start difference. First operand 180815 states and 327483 transitions. Second operand 3 states. [2020-12-23 08:50:40,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:40,052 INFO L93 Difference]: Finished difference Result 501988 states and 908550 transitions. [2020-12-23 08:50:40,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:40,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-12-23 08:50:40,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:41,183 INFO L225 Difference]: With dead ends: 501988 [2020-12-23 08:50:41,183 INFO L226 Difference]: Without dead ends: 325110 [2020-12-23 08:50:41,373 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 08:50:41,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325110 states. [2020-12-23 08:50:56,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325110 to 321902. [2020-12-23 08:50:56,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321902 states. [2020-12-23 08:50:57,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321902 states to 321902 states and 581786 transitions. [2020-12-23 08:50:57,971 INFO L78 Accepts]: Start accepts. Automaton has 321902 states and 581786 transitions. Word has length 110 [2020-12-23 08:50:57,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:57,974 INFO L481 AbstractCegarLoop]: Abstraction has 321902 states and 581786 transitions. [2020-12-23 08:50:57,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:57,975 INFO L276 IsEmpty]: Start isEmpty. Operand 321902 states and 581786 transitions.