/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_spec8_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:10:17,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:10:17,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:10:17,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:10:17,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:10:17,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:10:17,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:10:17,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:10:17,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:10:17,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:10:17,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:10:17,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:10:17,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:10:17,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:10:17,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:10:17,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:10:17,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:10:17,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:10:17,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:10:17,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:10:17,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:10:17,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:10:17,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:10:17,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:10:17,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:10:17,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:10:17,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:10:17,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:10:17,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:10:17,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:10:17,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:10:17,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:10:17,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:10:17,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:10:17,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:10:17,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:10:17,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:10:17,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:10:17,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:10:17,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:10:17,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:10:17,753 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 09:10:17,782 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:10:17,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:10:17,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:10:17,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:10:17,785 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:10:17,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:10:17,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:10:17,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:10:17,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:10:17,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:10:17,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:10:17,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:10:17,790 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:10:17,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:10:17,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:10:17,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:10:17,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:10:17,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:10:17,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:10:17,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:10:17,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:10:17,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:10:17,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:10:17,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:10:17,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:10:17,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:10:18,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:10:18,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:10:18,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:10:18,261 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:10:18,262 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:10:18,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product21.cil.c [2020-12-23 09:10:18,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/566eb4f99/2f093b94df4d481496dc4507f83a86e1/FLAGeaa6de843 [2020-12-23 09:10:19,288 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:10:19,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product21.cil.c [2020-12-23 09:10:19,320 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/566eb4f99/2f093b94df4d481496dc4507f83a86e1/FLAGeaa6de843 [2020-12-23 09:10:19,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/566eb4f99/2f093b94df4d481496dc4507f83a86e1 [2020-12-23 09:10:19,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:10:19,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:10:19,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:10:19,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:10:19,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:10:19,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:10:19" (1/1) ... [2020-12-23 09:10:19,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792ad13f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:10:19, skipping insertion in model container [2020-12-23 09:10:19,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:10:19" (1/1) ... [2020-12-23 09:10:19,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:10:19,523 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] 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___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] 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[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] 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,] [2020-12-23 09:10:20,008 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_spec8_product21.cil.c[15132,15145] 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___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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~16,] 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~17,] 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~10,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~3,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] 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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~19,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__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~20,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~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[~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[~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[~retValue_acc~27,] 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~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_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~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_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[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~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_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~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[~__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~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_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~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_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~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_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[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 09:10:20,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:10:20,355 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] 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___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] 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[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] 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,] [2020-12-23 09:10:20,408 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_spec8_product21.cil.c[15132,15145] 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___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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~16,] 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~17,] 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~10,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~3,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] 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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~19,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__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~20,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~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[~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[~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[~retValue_acc~27,] 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~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_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~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_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[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~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_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~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[~__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~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_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~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_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~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_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[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 09:10:20,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:10:20,627 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:10:20,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:10:20 WrapperNode [2020-12-23 09:10:20,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:10:20,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:10:20,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:10:20,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:10:20,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:10:20" (1/1) ... [2020-12-23 09:10:20,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:10:20" (1/1) ... [2020-12-23 09:10:20,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:10:20,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:10:20,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:10:20,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:10:20,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:10:20" (1/1) ... [2020-12-23 09:10:20,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:10:20" (1/1) ... [2020-12-23 09:10:20,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:10:20" (1/1) ... [2020-12-23 09:10:20,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:10:20" (1/1) ... [2020-12-23 09:10:20,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:10:20" (1/1) ... [2020-12-23 09:10:21,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:10:20" (1/1) ... [2020-12-23 09:10:21,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:10:20" (1/1) ... [2020-12-23 09:10:21,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:10:21,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:10:21,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:10:21,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:10:21,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:10:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:10:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 09:10:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:10:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:10:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:10:21,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:10:25,027 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:10:25,028 INFO L299 CfgBuilder]: Removed 649 assume(true) statements. [2020-12-23 09:10:25,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:10:25 BoogieIcfgContainer [2020-12-23 09:10:25,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:10:25,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:10:25,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:10:25,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:10:25,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:10:19" (1/3) ... [2020-12-23 09:10:25,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ff6f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:10:25, skipping insertion in model container [2020-12-23 09:10:25,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:10:20" (2/3) ... [2020-12-23 09:10:25,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ff6f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:10:25, skipping insertion in model container [2020-12-23 09:10:25,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:10:25" (3/3) ... [2020-12-23 09:10:25,042 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product21.cil.c [2020-12-23 09:10:25,050 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:10:25,056 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 09:10:25,077 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 09:10:25,117 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:10:25,118 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:10:25,118 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:10:25,118 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:10:25,118 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:10:25,119 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:10:25,119 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:10:25,119 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:10:25,157 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states. [2020-12-23 09:10:25,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 09:10:25,176 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:25,177 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 09:10:25,178 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 09:10:25,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:25,185 INFO L82 PathProgramCache]: Analyzing trace with hash -517743260, now seen corresponding path program 1 times [2020-12-23 09:10:25,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:25,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042060770] [2020-12-23 09:10:25,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:25,685 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 09:10:25,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042060770] [2020-12-23 09:10:25,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:25,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:10:25,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135002951] [2020-12-23 09:10:25,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:10:25,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:25,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:10:25,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:10:25,713 INFO L87 Difference]: Start difference. First operand 962 states. Second operand 3 states. [2020-12-23 09:10:25,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:25,913 INFO L93 Difference]: Finished difference Result 2851 states and 4910 transitions. [2020-12-23 09:10:25,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:10:25,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-12-23 09:10:25,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:25,966 INFO L225 Difference]: With dead ends: 2851 [2020-12-23 09:10:25,967 INFO L226 Difference]: Without dead ends: 1648 [2020-12-23 09:10:25,981 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 09:10:26,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2020-12-23 09:10:26,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 833. [2020-12-23 09:10:26,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-12-23 09:10:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1433 transitions. [2020-12-23 09:10:26,126 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1433 transitions. Word has length 44 [2020-12-23 09:10:26,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:26,126 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1433 transitions. [2020-12-23 09:10:26,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:10:26,127 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1433 transitions. [2020-12-23 09:10:26,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-23 09:10:26,136 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:26,137 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 09:10:26,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:10:26,138 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 09:10:26,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:26,141 INFO L82 PathProgramCache]: Analyzing trace with hash -502461118, now seen corresponding path program 1 times [2020-12-23 09:10:26,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:26,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693209581] [2020-12-23 09:10:26,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:26,409 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 09:10:26,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693209581] [2020-12-23 09:10:26,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:26,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:10:26,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398138408] [2020-12-23 09:10:26,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:10:26,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:26,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:10:26,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:10:26,418 INFO L87 Difference]: Start difference. First operand 833 states and 1433 transitions. Second operand 5 states. [2020-12-23 09:10:26,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:26,790 INFO L93 Difference]: Finished difference Result 2448 states and 4215 transitions. [2020-12-23 09:10:26,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:10:26,791 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2020-12-23 09:10:26,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:26,811 INFO L225 Difference]: With dead ends: 2448 [2020-12-23 09:10:26,812 INFO L226 Difference]: Without dead ends: 1634 [2020-12-23 09:10:26,816 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 09:10:26,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2020-12-23 09:10:26,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 833. [2020-12-23 09:10:26,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-12-23 09:10:26,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1432 transitions. [2020-12-23 09:10:26,893 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1432 transitions. Word has length 46 [2020-12-23 09:10:26,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:26,893 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1432 transitions. [2020-12-23 09:10:26,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:10:26,894 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1432 transitions. [2020-12-23 09:10:26,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 09:10:26,899 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:26,899 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 09:10:26,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:10:26,901 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 09:10:26,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:26,905 INFO L82 PathProgramCache]: Analyzing trace with hash -393336369, now seen corresponding path program 1 times [2020-12-23 09:10:26,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:26,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558521973] [2020-12-23 09:10:26,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:27,086 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 09:10:27,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558521973] [2020-12-23 09:10:27,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:27,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:10:27,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381515643] [2020-12-23 09:10:27,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:10:27,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:27,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:10:27,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:10:27,090 INFO L87 Difference]: Start difference. First operand 833 states and 1432 transitions. Second operand 3 states. [2020-12-23 09:10:27,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:27,171 INFO L93 Difference]: Finished difference Result 1648 states and 2838 transitions. [2020-12-23 09:10:27,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:10:27,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-12-23 09:10:27,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:27,178 INFO L225 Difference]: With dead ends: 1648 [2020-12-23 09:10:27,178 INFO L226 Difference]: Without dead ends: 838 [2020-12-23 09:10:27,181 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 09:10:27,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-12-23 09:10:27,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 833. [2020-12-23 09:10:27,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-12-23 09:10:27,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1431 transitions. [2020-12-23 09:10:27,242 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1431 transitions. Word has length 47 [2020-12-23 09:10:27,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:27,251 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1431 transitions. [2020-12-23 09:10:27,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:10:27,251 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1431 transitions. [2020-12-23 09:10:27,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 09:10:27,252 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:27,253 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 09:10:27,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:10:27,253 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 09:10:27,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:27,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1559988203, now seen corresponding path program 1 times [2020-12-23 09:10:27,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:27,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907387693] [2020-12-23 09:10:27,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:27,384 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 09:10:27,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907387693] [2020-12-23 09:10:27,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:27,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:10:27,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369125863] [2020-12-23 09:10:27,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:10:27,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:27,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:10:27,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:10:27,391 INFO L87 Difference]: Start difference. First operand 833 states and 1431 transitions. Second operand 3 states. [2020-12-23 09:10:27,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:27,477 INFO L93 Difference]: Finished difference Result 1658 states and 2851 transitions. [2020-12-23 09:10:27,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:10:27,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 09:10:27,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:27,484 INFO L225 Difference]: With dead ends: 1658 [2020-12-23 09:10:27,485 INFO L226 Difference]: Without dead ends: 833 [2020-12-23 09:10:27,488 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 09:10:27,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2020-12-23 09:10:27,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 833. [2020-12-23 09:10:27,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-12-23 09:10:27,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1429 transitions. [2020-12-23 09:10:27,610 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1429 transitions. Word has length 48 [2020-12-23 09:10:27,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:27,610 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1429 transitions. [2020-12-23 09:10:27,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:10:27,611 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1429 transitions. [2020-12-23 09:10:27,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 09:10:27,613 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:27,613 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 09:10:27,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:10:27,613 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 09:10:27,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:27,614 INFO L82 PathProgramCache]: Analyzing trace with hash -532074006, now seen corresponding path program 1 times [2020-12-23 09:10:27,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:27,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106591457] [2020-12-23 09:10:27,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:27,749 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 09:10:27,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106591457] [2020-12-23 09:10:27,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:27,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:10:27,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793210563] [2020-12-23 09:10:27,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:10:27,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:27,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:10:27,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:10:27,755 INFO L87 Difference]: Start difference. First operand 833 states and 1429 transitions. Second operand 5 states. [2020-12-23 09:10:28,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:28,042 INFO L93 Difference]: Finished difference Result 2438 states and 4195 transitions. [2020-12-23 09:10:28,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:10:28,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-12-23 09:10:28,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:28,056 INFO L225 Difference]: With dead ends: 2438 [2020-12-23 09:10:28,057 INFO L226 Difference]: Without dead ends: 1632 [2020-12-23 09:10:28,059 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 09:10:28,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2020-12-23 09:10:28,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 833. [2020-12-23 09:10:28,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-12-23 09:10:28,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1428 transitions. [2020-12-23 09:10:28,134 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1428 transitions. Word has length 49 [2020-12-23 09:10:28,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:28,134 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1428 transitions. [2020-12-23 09:10:28,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:10:28,134 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1428 transitions. [2020-12-23 09:10:28,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 09:10:28,137 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:28,138 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 09:10:28,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:10:28,138 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 09:10:28,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:28,139 INFO L82 PathProgramCache]: Analyzing trace with hash -319226547, now seen corresponding path program 1 times [2020-12-23 09:10:28,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:28,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054404605] [2020-12-23 09:10:28,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:28,300 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 09:10:28,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054404605] [2020-12-23 09:10:28,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:28,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:10:28,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933677895] [2020-12-23 09:10:28,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:10:28,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:28,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:10:28,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:10:28,305 INFO L87 Difference]: Start difference. First operand 833 states and 1428 transitions. Second operand 5 states. [2020-12-23 09:10:28,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:28,657 INFO L93 Difference]: Finished difference Result 2443 states and 4200 transitions. [2020-12-23 09:10:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:10:28,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 09:10:28,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:28,668 INFO L225 Difference]: With dead ends: 2443 [2020-12-23 09:10:28,668 INFO L226 Difference]: Without dead ends: 1637 [2020-12-23 09:10:28,671 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 09:10:28,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2020-12-23 09:10:28,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 833. [2020-12-23 09:10:28,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-12-23 09:10:28,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1427 transitions. [2020-12-23 09:10:28,742 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1427 transitions. Word has length 50 [2020-12-23 09:10:28,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:28,743 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1427 transitions. [2020-12-23 09:10:28,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:10:28,743 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1427 transitions. [2020-12-23 09:10:28,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 09:10:28,744 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:28,744 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 09:10:28,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:10:28,746 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 09:10:28,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:28,750 INFO L82 PathProgramCache]: Analyzing trace with hash 2040658021, now seen corresponding path program 1 times [2020-12-23 09:10:28,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:28,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673127105] [2020-12-23 09:10:28,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:28,846 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 09:10:28,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673127105] [2020-12-23 09:10:28,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:28,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:10:28,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346672840] [2020-12-23 09:10:28,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:10:28,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:28,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:10:28,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:10:28,850 INFO L87 Difference]: Start difference. First operand 833 states and 1427 transitions. Second operand 3 states. [2020-12-23 09:10:28,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:28,910 INFO L93 Difference]: Finished difference Result 1385 states and 2348 transitions. [2020-12-23 09:10:28,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:10:28,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 09:10:28,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:28,916 INFO L225 Difference]: With dead ends: 1385 [2020-12-23 09:10:28,916 INFO L226 Difference]: Without dead ends: 836 [2020-12-23 09:10:28,919 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 09:10:28,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-12-23 09:10:28,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 835. [2020-12-23 09:10:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 835 states. [2020-12-23 09:10:28,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1429 transitions. [2020-12-23 09:10:28,971 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1429 transitions. Word has length 51 [2020-12-23 09:10:28,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:28,971 INFO L481 AbstractCegarLoop]: Abstraction has 835 states and 1429 transitions. [2020-12-23 09:10:28,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:10:28,971 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1429 transitions. [2020-12-23 09:10:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 09:10:28,973 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:28,973 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 09:10:28,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:10:28,973 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 09:10:28,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:28,974 INFO L82 PathProgramCache]: Analyzing trace with hash -302802333, now seen corresponding path program 1 times [2020-12-23 09:10:28,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:28,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486150298] [2020-12-23 09:10:28,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:29,040 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 09:10:29,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486150298] [2020-12-23 09:10:29,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:29,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:10:29,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332056641] [2020-12-23 09:10:29,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:10:29,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:29,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:10:29,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:10:29,043 INFO L87 Difference]: Start difference. First operand 835 states and 1429 transitions. Second operand 3 states. [2020-12-23 09:10:29,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:29,155 INFO L93 Difference]: Finished difference Result 2391 states and 4111 transitions. [2020-12-23 09:10:29,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:10:29,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-12-23 09:10:29,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:29,167 INFO L225 Difference]: With dead ends: 2391 [2020-12-23 09:10:29,167 INFO L226 Difference]: Without dead ends: 1587 [2020-12-23 09:10:29,170 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 09:10:29,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2020-12-23 09:10:29,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1038. [2020-12-23 09:10:29,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1038 states. [2020-12-23 09:10:29,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1804 transitions. [2020-12-23 09:10:29,285 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1804 transitions. Word has length 57 [2020-12-23 09:10:29,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:29,286 INFO L481 AbstractCegarLoop]: Abstraction has 1038 states and 1804 transitions. [2020-12-23 09:10:29,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:10:29,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1804 transitions. [2020-12-23 09:10:29,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 09:10:29,288 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:29,288 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 09:10:29,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:10:29,289 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 09:10:29,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:29,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1288320638, now seen corresponding path program 1 times [2020-12-23 09:10:29,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:29,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418842550] [2020-12-23 09:10:29,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:29,394 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 09:10:29,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418842550] [2020-12-23 09:10:29,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463857040] [2020-12-23 09:10:29,401 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 09:10:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:29,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:10:29,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:10:29,960 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 09:10:29,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 09:10:29,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 09:10:29,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328682153] [2020-12-23 09:10:29,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:10:29,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:29,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:10:29,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:10:29,965 INFO L87 Difference]: Start difference. First operand 1038 states and 1804 transitions. Second operand 3 states. [2020-12-23 09:10:30,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:30,060 INFO L93 Difference]: Finished difference Result 1500 states and 2570 transitions. [2020-12-23 09:10:30,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:10:30,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-23 09:10:30,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:30,067 INFO L225 Difference]: With dead ends: 1500 [2020-12-23 09:10:30,067 INFO L226 Difference]: Without dead ends: 1040 [2020-12-23 09:10:30,069 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 09:10:30,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2020-12-23 09:10:30,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1026. [2020-12-23 09:10:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2020-12-23 09:10:30,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1786 transitions. [2020-12-23 09:10:30,143 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1786 transitions. Word has length 58 [2020-12-23 09:10:30,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:30,145 INFO L481 AbstractCegarLoop]: Abstraction has 1026 states and 1786 transitions. [2020-12-23 09:10:30,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:10:30,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1786 transitions. [2020-12-23 09:10:30,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 09:10:30,148 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:30,148 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, 1] [2020-12-23 09:10:30,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 09:10:30,364 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 09:10:30,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:30,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1505942636, now seen corresponding path program 1 times [2020-12-23 09:10:30,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:30,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108387535] [2020-12-23 09:10:30,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:30,472 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 09:10:30,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108387535] [2020-12-23 09:10:30,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803839656] [2020-12-23 09:10:30,473 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 09:10:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:30,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:10:30,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:10:31,083 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 09:10:31,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:10:31,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 09:10:31,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689382511] [2020-12-23 09:10:31,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:10:31,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:31,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:10:31,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:10:31,085 INFO L87 Difference]: Start difference. First operand 1026 states and 1786 transitions. Second operand 5 states. [2020-12-23 09:10:31,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:31,247 INFO L93 Difference]: Finished difference Result 2359 states and 4060 transitions. [2020-12-23 09:10:31,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:10:31,248 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-12-23 09:10:31,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:31,259 INFO L225 Difference]: With dead ends: 2359 [2020-12-23 09:10:31,260 INFO L226 Difference]: Without dead ends: 1822 [2020-12-23 09:10:31,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 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 09:10:31,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2020-12-23 09:10:31,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1283. [2020-12-23 09:10:31,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1283 states. [2020-12-23 09:10:31,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 2258 transitions. [2020-12-23 09:10:31,366 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 2258 transitions. Word has length 92 [2020-12-23 09:10:31,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:31,366 INFO L481 AbstractCegarLoop]: Abstraction has 1283 states and 2258 transitions. [2020-12-23 09:10:31,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:10:31,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 2258 transitions. [2020-12-23 09:10:31,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 09:10:31,369 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:31,370 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 09:10:31,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 09:10:31,584 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 09:10:31,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:31,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1023992063, now seen corresponding path program 1 times [2020-12-23 09:10:31,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:31,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678840276] [2020-12-23 09:10:31,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:31,728 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 09:10:31,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678840276] [2020-12-23 09:10:31,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:31,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:10:31,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107760643] [2020-12-23 09:10:31,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:10:31,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:31,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:10:31,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:10:31,731 INFO L87 Difference]: Start difference. First operand 1283 states and 2258 transitions. Second operand 3 states. [2020-12-23 09:10:31,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:31,886 INFO L93 Difference]: Finished difference Result 3472 states and 6116 transitions. [2020-12-23 09:10:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:10:31,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-23 09:10:31,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:31,901 INFO L225 Difference]: With dead ends: 3472 [2020-12-23 09:10:31,901 INFO L226 Difference]: Without dead ends: 2278 [2020-12-23 09:10:31,905 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 09:10:31,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2020-12-23 09:10:32,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 1741. [2020-12-23 09:10:32,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1741 states. [2020-12-23 09:10:32,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 3100 transitions. [2020-12-23 09:10:32,022 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 3100 transitions. Word has length 98 [2020-12-23 09:10:32,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:32,023 INFO L481 AbstractCegarLoop]: Abstraction has 1741 states and 3100 transitions. [2020-12-23 09:10:32,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:10:32,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 3100 transitions. [2020-12-23 09:10:32,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 09:10:32,028 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:32,028 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, 1] [2020-12-23 09:10:32,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:10:32,028 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 09:10:32,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:32,029 INFO L82 PathProgramCache]: Analyzing trace with hash 946155503, now seen corresponding path program 2 times [2020-12-23 09:10:32,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:32,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38300819] [2020-12-23 09:10:32,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:32,109 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 09:10:32,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38300819] [2020-12-23 09:10:32,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:32,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:10:32,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424530625] [2020-12-23 09:10:32,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:10:32,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:32,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:10:32,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:10:32,111 INFO L87 Difference]: Start difference. First operand 1741 states and 3100 transitions. Second operand 3 states. [2020-12-23 09:10:32,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:32,266 INFO L93 Difference]: Finished difference Result 3729 states and 6586 transitions. [2020-12-23 09:10:32,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:10:32,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-23 09:10:32,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:32,280 INFO L225 Difference]: With dead ends: 3729 [2020-12-23 09:10:32,281 INFO L226 Difference]: Without dead ends: 2278 [2020-12-23 09:10:32,285 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 09:10:32,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2020-12-23 09:10:32,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 1741. [2020-12-23 09:10:32,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1741 states. [2020-12-23 09:10:32,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 3098 transitions. [2020-12-23 09:10:32,427 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 3098 transitions. Word has length 99 [2020-12-23 09:10:32,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:32,427 INFO L481 AbstractCegarLoop]: Abstraction has 1741 states and 3098 transitions. [2020-12-23 09:10:32,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:10:32,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 3098 transitions. [2020-12-23 09:10:32,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 09:10:32,431 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:32,431 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 09:10:32,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:10:32,432 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 09:10:32,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:32,432 INFO L82 PathProgramCache]: Analyzing trace with hash 277650830, now seen corresponding path program 1 times [2020-12-23 09:10:32,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:32,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676732126] [2020-12-23 09:10:32,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:32,511 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 09:10:32,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676732126] [2020-12-23 09:10:32,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:32,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:10:32,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792253782] [2020-12-23 09:10:32,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:10:32,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:32,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:10:32,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:10:32,514 INFO L87 Difference]: Start difference. First operand 1741 states and 3098 transitions. Second operand 3 states. [2020-12-23 09:10:32,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:32,736 INFO L93 Difference]: Finished difference Result 4818 states and 8591 transitions. [2020-12-23 09:10:32,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:10:32,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-23 09:10:32,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:32,760 INFO L225 Difference]: With dead ends: 4818 [2020-12-23 09:10:32,761 INFO L226 Difference]: Without dead ends: 3174 [2020-12-23 09:10:32,766 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 09:10:32,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2020-12-23 09:10:32,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 2637. [2020-12-23 09:10:32,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2637 states. [2020-12-23 09:10:33,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2637 states and 4745 transitions. [2020-12-23 09:10:33,006 INFO L78 Accepts]: Start accepts. Automaton has 2637 states and 4745 transitions. Word has length 99 [2020-12-23 09:10:33,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:33,007 INFO L481 AbstractCegarLoop]: Abstraction has 2637 states and 4745 transitions. [2020-12-23 09:10:33,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:10:33,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 4745 transitions. [2020-12-23 09:10:33,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 09:10:33,014 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:33,014 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 09:10:33,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:10:33,015 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 09:10:33,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:33,015 INFO L82 PathProgramCache]: Analyzing trace with hash 947154753, now seen corresponding path program 1 times [2020-12-23 09:10:33,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:33,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505129756] [2020-12-23 09:10:33,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:33,184 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 09:10:33,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505129756] [2020-12-23 09:10:33,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:33,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:10:33,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812005273] [2020-12-23 09:10:33,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:10:33,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:33,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:10:33,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:10:33,187 INFO L87 Difference]: Start difference. First operand 2637 states and 4745 transitions. Second operand 3 states. [2020-12-23 09:10:33,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:33,553 INFO L93 Difference]: Finished difference Result 7242 states and 13051 transitions. [2020-12-23 09:10:33,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:10:33,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-12-23 09:10:33,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:33,581 INFO L225 Difference]: With dead ends: 7242 [2020-12-23 09:10:33,581 INFO L226 Difference]: Without dead ends: 4736 [2020-12-23 09:10:33,588 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 09:10:33,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4736 states. [2020-12-23 09:10:33,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4736 to 4199. [2020-12-23 09:10:33,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4199 states. [2020-12-23 09:10:33,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4199 states to 4199 states and 7614 transitions. [2020-12-23 09:10:33,883 INFO L78 Accepts]: Start accepts. Automaton has 4199 states and 7614 transitions. Word has length 100 [2020-12-23 09:10:33,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:33,883 INFO L481 AbstractCegarLoop]: Abstraction has 4199 states and 7614 transitions. [2020-12-23 09:10:33,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:10:33,883 INFO L276 IsEmpty]: Start isEmpty. Operand 4199 states and 7614 transitions. [2020-12-23 09:10:33,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 09:10:33,895 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:33,895 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 09:10:33,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:10:33,896 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 09:10:33,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:33,896 INFO L82 PathProgramCache]: Analyzing trace with hash 886991327, now seen corresponding path program 1 times [2020-12-23 09:10:33,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:33,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800296766] [2020-12-23 09:10:33,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:33,978 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 09:10:33,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800296766] [2020-12-23 09:10:33,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:33,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:10:33,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315090109] [2020-12-23 09:10:33,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:10:33,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:33,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:10:33,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:10:33,981 INFO L87 Difference]: Start difference. First operand 4199 states and 7614 transitions. Second operand 3 states. [2020-12-23 09:10:34,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:34,389 INFO L93 Difference]: Finished difference Result 11644 states and 21141 transitions. [2020-12-23 09:10:34,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:10:34,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-12-23 09:10:34,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:34,417 INFO L225 Difference]: With dead ends: 11644 [2020-12-23 09:10:34,417 INFO L226 Difference]: Without dead ends: 7610 [2020-12-23 09:10:34,429 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 09:10:34,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7610 states. [2020-12-23 09:10:34,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7610 to 7073. [2020-12-23 09:10:34,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7073 states. [2020-12-23 09:10:34,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7073 states to 7073 states and 12887 transitions. [2020-12-23 09:10:34,917 INFO L78 Accepts]: Start accepts. Automaton has 7073 states and 12887 transitions. Word has length 101 [2020-12-23 09:10:34,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:34,917 INFO L481 AbstractCegarLoop]: Abstraction has 7073 states and 12887 transitions. [2020-12-23 09:10:34,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:10:34,917 INFO L276 IsEmpty]: Start isEmpty. Operand 7073 states and 12887 transitions. [2020-12-23 09:10:34,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 09:10:34,935 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:34,935 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 09:10:34,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:10:34,936 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 09:10:34,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:34,936 INFO L82 PathProgramCache]: Analyzing trace with hash -2039220157, now seen corresponding path program 1 times [2020-12-23 09:10:34,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:34,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243207013] [2020-12-23 09:10:34,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:35,045 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 09:10:35,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243207013] [2020-12-23 09:10:35,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:35,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:10:35,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412529710] [2020-12-23 09:10:35,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:10:35,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:35,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:10:35,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:10:35,048 INFO L87 Difference]: Start difference. First operand 7073 states and 12887 transitions. Second operand 5 states. [2020-12-23 09:10:36,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:36,065 INFO L93 Difference]: Finished difference Result 20352 states and 37114 transitions. [2020-12-23 09:10:36,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:10:36,066 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2020-12-23 09:10:36,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:36,114 INFO L225 Difference]: With dead ends: 20352 [2020-12-23 09:10:36,115 INFO L226 Difference]: Without dead ends: 13569 [2020-12-23 09:10:36,131 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 09:10:36,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13569 states. [2020-12-23 09:10:36,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13569 to 7073. [2020-12-23 09:10:36,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7073 states. [2020-12-23 09:10:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7073 states to 7073 states and 12837 transitions. [2020-12-23 09:10:36,601 INFO L78 Accepts]: Start accepts. Automaton has 7073 states and 12837 transitions. Word has length 102 [2020-12-23 09:10:36,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:36,601 INFO L481 AbstractCegarLoop]: Abstraction has 7073 states and 12837 transitions. [2020-12-23 09:10:36,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:10:36,601 INFO L276 IsEmpty]: Start isEmpty. Operand 7073 states and 12837 transitions. [2020-12-23 09:10:36,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 09:10:36,660 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:36,661 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] [2020-12-23 09:10:36,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:10:36,661 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 09:10:36,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:36,662 INFO L82 PathProgramCache]: Analyzing trace with hash 120283570, now seen corresponding path program 1 times [2020-12-23 09:10:36,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:36,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417279006] [2020-12-23 09:10:36,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:36,753 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 09:10:36,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417279006] [2020-12-23 09:10:36,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:36,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:10:36,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351927415] [2020-12-23 09:10:36,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:10:36,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:36,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:10:36,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:10:36,757 INFO L87 Difference]: Start difference. First operand 7073 states and 12837 transitions. Second operand 3 states. [2020-12-23 09:10:37,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:37,557 INFO L93 Difference]: Finished difference Result 20592 states and 37424 transitions. [2020-12-23 09:10:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:10:37,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-12-23 09:10:37,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:37,599 INFO L225 Difference]: With dead ends: 20592 [2020-12-23 09:10:37,599 INFO L226 Difference]: Without dead ends: 13692 [2020-12-23 09:10:37,615 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 09:10:37,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13692 states. [2020-12-23 09:10:38,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13692 to 13155. [2020-12-23 09:10:38,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13155 states. [2020-12-23 09:10:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13155 states to 13155 states and 23942 transitions. [2020-12-23 09:10:38,435 INFO L78 Accepts]: Start accepts. Automaton has 13155 states and 23942 transitions. Word has length 102 [2020-12-23 09:10:38,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:38,435 INFO L481 AbstractCegarLoop]: Abstraction has 13155 states and 23942 transitions. [2020-12-23 09:10:38,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:10:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 13155 states and 23942 transitions. [2020-12-23 09:10:38,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-23 09:10:38,464 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:38,464 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 09:10:38,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:10:38,465 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 09:10:38,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:38,466 INFO L82 PathProgramCache]: Analyzing trace with hash 799884798, now seen corresponding path program 1 times [2020-12-23 09:10:38,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:38,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787914358] [2020-12-23 09:10:38,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:38,605 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 09:10:38,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787914358] [2020-12-23 09:10:38,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:38,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:10:38,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145435478] [2020-12-23 09:10:38,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:10:38,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:38,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:10:38,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:10:38,608 INFO L87 Difference]: Start difference. First operand 13155 states and 23942 transitions. Second operand 9 states. [2020-12-23 09:10:42,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:42,077 INFO L93 Difference]: Finished difference Result 29708 states and 53488 transitions. [2020-12-23 09:10:42,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 09:10:42,080 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-12-23 09:10:42,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:42,182 INFO L225 Difference]: With dead ends: 29708 [2020-12-23 09:10:42,183 INFO L226 Difference]: Without dead ends: 29228 [2020-12-23 09:10:42,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552 [2020-12-23 09:10:42,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29228 states. [2020-12-23 09:10:43,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29228 to 26461. [2020-12-23 09:10:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26461 states. [2020-12-23 09:10:43,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26461 states to 26461 states and 48135 transitions. [2020-12-23 09:10:43,943 INFO L78 Accepts]: Start accepts. Automaton has 26461 states and 48135 transitions. Word has length 103 [2020-12-23 09:10:43,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:43,943 INFO L481 AbstractCegarLoop]: Abstraction has 26461 states and 48135 transitions. [2020-12-23 09:10:43,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:10:43,943 INFO L276 IsEmpty]: Start isEmpty. Operand 26461 states and 48135 transitions. [2020-12-23 09:10:43,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 09:10:43,992 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:43,992 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 09:10:43,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:10:43,993 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 09:10:43,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:43,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1883446035, now seen corresponding path program 1 times [2020-12-23 09:10:43,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:43,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167641235] [2020-12-23 09:10:43,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:44,093 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 09:10:44,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167641235] [2020-12-23 09:10:44,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:44,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:10:44,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330310502] [2020-12-23 09:10:44,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:10:44,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:44,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:10:44,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:10:44,095 INFO L87 Difference]: Start difference. First operand 26461 states and 48135 transitions. Second operand 4 states. [2020-12-23 09:10:45,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:45,282 INFO L93 Difference]: Finished difference Result 28368 states and 51319 transitions. [2020-12-23 09:10:45,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:10:45,283 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2020-12-23 09:10:45,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:45,364 INFO L225 Difference]: With dead ends: 28368 [2020-12-23 09:10:45,364 INFO L226 Difference]: Without dead ends: 27104 [2020-12-23 09:10:45,378 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 09:10:45,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27104 states. [2020-12-23 09:10:46,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27104 to 26343. [2020-12-23 09:10:46,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26343 states. [2020-12-23 09:10:46,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26343 states to 26343 states and 47933 transitions. [2020-12-23 09:10:46,706 INFO L78 Accepts]: Start accepts. Automaton has 26343 states and 47933 transitions. Word has length 104 [2020-12-23 09:10:46,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:46,706 INFO L481 AbstractCegarLoop]: Abstraction has 26343 states and 47933 transitions. [2020-12-23 09:10:46,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:10:46,706 INFO L276 IsEmpty]: Start isEmpty. Operand 26343 states and 47933 transitions. [2020-12-23 09:10:46,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 09:10:46,738 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:46,738 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 09:10:46,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:10:46,739 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 09:10:46,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:46,740 INFO L82 PathProgramCache]: Analyzing trace with hash -2053832042, now seen corresponding path program 1 times [2020-12-23 09:10:46,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:46,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108018293] [2020-12-23 09:10:46,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:46,838 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 09:10:46,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108018293] [2020-12-23 09:10:46,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:46,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:10:46,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678165749] [2020-12-23 09:10:46,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:10:46,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:46,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:10:46,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:10:46,841 INFO L87 Difference]: Start difference. First operand 26343 states and 47933 transitions. Second operand 4 states. [2020-12-23 09:10:48,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:48,711 INFO L93 Difference]: Finished difference Result 42342 states and 76560 transitions. [2020-12-23 09:10:48,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:10:48,712 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2020-12-23 09:10:48,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:48,790 INFO L225 Difference]: With dead ends: 42342 [2020-12-23 09:10:48,790 INFO L226 Difference]: Without dead ends: 41518 [2020-12-23 09:10:48,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:10:48,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41518 states. [2020-12-23 09:10:50,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41518 to 39586. [2020-12-23 09:10:50,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39586 states. [2020-12-23 09:10:50,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39586 states to 39586 states and 72010 transitions. [2020-12-23 09:10:50,296 INFO L78 Accepts]: Start accepts. Automaton has 39586 states and 72010 transitions. Word has length 105 [2020-12-23 09:10:50,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:50,297 INFO L481 AbstractCegarLoop]: Abstraction has 39586 states and 72010 transitions. [2020-12-23 09:10:50,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:10:50,297 INFO L276 IsEmpty]: Start isEmpty. Operand 39586 states and 72010 transitions. [2020-12-23 09:10:50,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 09:10:50,345 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:50,346 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 09:10:50,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:10:50,346 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 09:10:50,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:50,347 INFO L82 PathProgramCache]: Analyzing trace with hash -114669996, now seen corresponding path program 1 times [2020-12-23 09:10:50,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:50,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699173478] [2020-12-23 09:10:50,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:50,512 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 09:10:50,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699173478] [2020-12-23 09:10:50,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:50,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 09:10:50,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420448407] [2020-12-23 09:10:50,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:10:50,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:50,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:10:50,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:10:50,515 INFO L87 Difference]: Start difference. First operand 39586 states and 72010 transitions. Second operand 10 states. [2020-12-23 09:10:55,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:55,106 INFO L93 Difference]: Finished difference Result 53688 states and 95358 transitions. [2020-12-23 09:10:55,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 09:10:55,107 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2020-12-23 09:10:55,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:55,180 INFO L225 Difference]: With dead ends: 53688 [2020-12-23 09:10:55,180 INFO L226 Difference]: Without dead ends: 51950 [2020-12-23 09:10:55,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=290, Invalid=766, Unknown=0, NotChecked=0, Total=1056 [2020-12-23 09:10:55,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51950 states. [2020-12-23 09:10:57,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51950 to 40466. [2020-12-23 09:10:57,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40466 states. [2020-12-23 09:10:57,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40466 states to 40466 states and 73433 transitions. [2020-12-23 09:10:57,275 INFO L78 Accepts]: Start accepts. Automaton has 40466 states and 73433 transitions. Word has length 105 [2020-12-23 09:10:57,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:57,276 INFO L481 AbstractCegarLoop]: Abstraction has 40466 states and 73433 transitions. [2020-12-23 09:10:57,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:10:57,276 INFO L276 IsEmpty]: Start isEmpty. Operand 40466 states and 73433 transitions. [2020-12-23 09:10:57,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 09:10:57,321 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:57,321 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 09:10:57,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:10:57,322 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 09:10:57,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:57,322 INFO L82 PathProgramCache]: Analyzing trace with hash 268322446, now seen corresponding path program 1 times [2020-12-23 09:10:57,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:57,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463157368] [2020-12-23 09:10:57,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:57,483 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 09:10:57,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463157368] [2020-12-23 09:10:57,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:57,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 09:10:57,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162388144] [2020-12-23 09:10:57,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 09:10:57,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:57,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 09:10:57,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 09:10:57,485 INFO L87 Difference]: Start difference. First operand 40466 states and 73433 transitions. Second operand 11 states. [2020-12-23 09:11:02,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:02,680 INFO L93 Difference]: Finished difference Result 55260 states and 97914 transitions. [2020-12-23 09:11:02,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-23 09:11:02,683 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 106 [2020-12-23 09:11:02,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:02,759 INFO L225 Difference]: With dead ends: 55260 [2020-12-23 09:11:02,759 INFO L226 Difference]: Without dead ends: 52943 [2020-12-23 09:11:02,774 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 09:11:02,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52943 states. [2020-12-23 09:11:04,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52943 to 40972. [2020-12-23 09:11:04,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40972 states. [2020-12-23 09:11:04,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40972 states to 40972 states and 74269 transitions. [2020-12-23 09:11:04,515 INFO L78 Accepts]: Start accepts. Automaton has 40972 states and 74269 transitions. Word has length 106 [2020-12-23 09:11:04,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:04,515 INFO L481 AbstractCegarLoop]: Abstraction has 40972 states and 74269 transitions. [2020-12-23 09:11:04,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 09:11:04,515 INFO L276 IsEmpty]: Start isEmpty. Operand 40972 states and 74269 transitions. [2020-12-23 09:11:04,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 09:11:04,559 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:04,560 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 09:11:04,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:11:04,560 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 09:11:04,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:04,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1459506328, now seen corresponding path program 1 times [2020-12-23 09:11:04,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:04,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563390099] [2020-12-23 09:11:04,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:04,687 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 09:11:04,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563390099] [2020-12-23 09:11:04,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:04,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 09:11:04,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815948974] [2020-12-23 09:11:04,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:11:04,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:04,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:11:04,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:11:04,693 INFO L87 Difference]: Start difference. First operand 40972 states and 74269 transitions. Second operand 9 states. [2020-12-23 09:11:07,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:07,078 INFO L93 Difference]: Finished difference Result 45330 states and 81467 transitions. [2020-12-23 09:11:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 09:11:07,079 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2020-12-23 09:11:07,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:07,137 INFO L225 Difference]: With dead ends: 45330 [2020-12-23 09:11:07,137 INFO L226 Difference]: Without dead ends: 41835 [2020-12-23 09:11:07,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2020-12-23 09:11:07,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41835 states. [2020-12-23 09:11:08,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41835 to 40418. [2020-12-23 09:11:08,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40418 states. [2020-12-23 09:11:08,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40418 states to 40418 states and 73318 transitions. [2020-12-23 09:11:08,955 INFO L78 Accepts]: Start accepts. Automaton has 40418 states and 73318 transitions. Word has length 106 [2020-12-23 09:11:08,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:08,955 INFO L481 AbstractCegarLoop]: Abstraction has 40418 states and 73318 transitions. [2020-12-23 09:11:08,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:11:08,956 INFO L276 IsEmpty]: Start isEmpty. Operand 40418 states and 73318 transitions. [2020-12-23 09:11:09,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-23 09:11:09,007 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:09,008 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, 1] [2020-12-23 09:11:09,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:11:09,008 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 09:11:09,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:09,009 INFO L82 PathProgramCache]: Analyzing trace with hash -214956528, now seen corresponding path program 1 times [2020-12-23 09:11:09,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:09,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917520975] [2020-12-23 09:11:09,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:09,290 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 09:11:09,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917520975] [2020-12-23 09:11:09,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:09,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:11:09,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913031497] [2020-12-23 09:11:09,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:09,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:09,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:09,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:09,294 INFO L87 Difference]: Start difference. First operand 40418 states and 73318 transitions. Second operand 5 states. [2020-12-23 09:11:10,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:10,819 INFO L93 Difference]: Finished difference Result 42098 states and 76109 transitions. [2020-12-23 09:11:10,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:11:10,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-12-23 09:11:10,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:10,880 INFO L225 Difference]: With dead ends: 42098 [2020-12-23 09:11:10,880 INFO L226 Difference]: Without dead ends: 41122 [2020-12-23 09:11:10,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 09:11:10,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41122 states. [2020-12-23 09:11:12,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41122 to 40916. [2020-12-23 09:11:12,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40916 states. [2020-12-23 09:11:12,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40916 states to 40916 states and 74151 transitions. [2020-12-23 09:11:12,866 INFO L78 Accepts]: Start accepts. Automaton has 40916 states and 74151 transitions. Word has length 107 [2020-12-23 09:11:12,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:12,866 INFO L481 AbstractCegarLoop]: Abstraction has 40916 states and 74151 transitions. [2020-12-23 09:11:12,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:12,867 INFO L276 IsEmpty]: Start isEmpty. Operand 40916 states and 74151 transitions. [2020-12-23 09:11:12,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-23 09:11:12,905 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:12,905 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, 1, 1, 1] [2020-12-23 09:11:12,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 09:11:12,906 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 09:11:12,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:12,906 INFO L82 PathProgramCache]: Analyzing trace with hash -620422401, now seen corresponding path program 1 times [2020-12-23 09:11:12,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:12,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468486761] [2020-12-23 09:11:12,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:12,996 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 09:11:12,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468486761] [2020-12-23 09:11:12,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:12,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:11:12,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083192604] [2020-12-23 09:11:12,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:12,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:12,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:12,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:12,999 INFO L87 Difference]: Start difference. First operand 40916 states and 74151 transitions. Second operand 5 states. [2020-12-23 09:11:16,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:16,424 INFO L93 Difference]: Finished difference Result 85458 states and 154148 transitions. [2020-12-23 09:11:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:11:16,424 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-12-23 09:11:16,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:16,561 INFO L225 Difference]: With dead ends: 85458 [2020-12-23 09:11:16,562 INFO L226 Difference]: Without dead ends: 82340 [2020-12-23 09:11:16,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:11:16,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82340 states. [2020-12-23 09:11:20,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82340 to 80364. [2020-12-23 09:11:20,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80364 states. [2020-12-23 09:11:20,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80364 states to 80364 states and 145791 transitions. [2020-12-23 09:11:20,275 INFO L78 Accepts]: Start accepts. Automaton has 80364 states and 145791 transitions. Word has length 109 [2020-12-23 09:11:20,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:20,276 INFO L481 AbstractCegarLoop]: Abstraction has 80364 states and 145791 transitions. [2020-12-23 09:11:20,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:20,276 INFO L276 IsEmpty]: Start isEmpty. Operand 80364 states and 145791 transitions. [2020-12-23 09:11:20,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-23 09:11:20,343 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:20,343 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, 1, 1, 1, 1] [2020-12-23 09:11:20,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 09:11:20,344 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 09:11:20,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:20,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1655597967, now seen corresponding path program 1 times [2020-12-23 09:11:20,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:20,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886648844] [2020-12-23 09:11:20,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:20,430 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 09:11:20,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886648844] [2020-12-23 09:11:20,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:20,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:11:20,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667675508] [2020-12-23 09:11:20,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:20,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:20,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:20,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:20,432 INFO L87 Difference]: Start difference. First operand 80364 states and 145791 transitions. Second operand 5 states. [2020-12-23 09:11:23,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:23,942 INFO L93 Difference]: Finished difference Result 85262 states and 153864 transitions. [2020-12-23 09:11:23,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:11:23,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2020-12-23 09:11:23,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:24,064 INFO L225 Difference]: With dead ends: 85262 [2020-12-23 09:11:24,064 INFO L226 Difference]: Without dead ends: 79374 [2020-12-23 09:11:24,088 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 09:11:24,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79374 states. [2020-12-23 09:11:27,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79374 to 78322. [2020-12-23 09:11:27,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78322 states. [2020-12-23 09:11:27,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78322 states to 78322 states and 142415 transitions. [2020-12-23 09:11:27,563 INFO L78 Accepts]: Start accepts. Automaton has 78322 states and 142415 transitions. Word has length 110 [2020-12-23 09:11:27,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:27,563 INFO L481 AbstractCegarLoop]: Abstraction has 78322 states and 142415 transitions. [2020-12-23 09:11:27,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:27,563 INFO L276 IsEmpty]: Start isEmpty. Operand 78322 states and 142415 transitions. [2020-12-23 09:11:27,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-23 09:11:27,651 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:27,652 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:27,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 09:11:27,652 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 09:11:27,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:27,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1715607322, now seen corresponding path program 1 times [2020-12-23 09:11:27,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:27,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566129686] [2020-12-23 09:11:27,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:27,759 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 09:11:27,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566129686] [2020-12-23 09:11:27,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:27,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:11:27,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108474390] [2020-12-23 09:11:27,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:27,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:27,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:27,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:27,761 INFO L87 Difference]: Start difference. First operand 78322 states and 142415 transitions. Second operand 5 states. [2020-12-23 09:11:34,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:34,063 INFO L93 Difference]: Finished difference Result 163651 states and 296407 transitions. [2020-12-23 09:11:34,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:11:34,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-12-23 09:11:34,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:34,398 INFO L225 Difference]: With dead ends: 163651 [2020-12-23 09:11:34,398 INFO L226 Difference]: Without dead ends: 161071 [2020-12-23 09:11:34,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:11:34,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161071 states. [2020-12-23 09:11:41,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161071 to 155907. [2020-12-23 09:11:41,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155907 states. [2020-12-23 09:11:41,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155907 states to 155907 states and 283493 transitions. [2020-12-23 09:11:41,492 INFO L78 Accepts]: Start accepts. Automaton has 155907 states and 283493 transitions. Word has length 125 [2020-12-23 09:11:41,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:41,492 INFO L481 AbstractCegarLoop]: Abstraction has 155907 states and 283493 transitions. [2020-12-23 09:11:41,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:41,492 INFO L276 IsEmpty]: Start isEmpty. Operand 155907 states and 283493 transitions. [2020-12-23 09:11:41,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-23 09:11:41,666 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:41,667 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:41,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 09:11:41,667 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 09:11:41,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:41,667 INFO L82 PathProgramCache]: Analyzing trace with hash 2047117650, now seen corresponding path program 1 times [2020-12-23 09:11:41,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:41,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144007272] [2020-12-23 09:11:41,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:41,798 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 09:11:41,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144007272] [2020-12-23 09:11:41,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:41,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:41,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668735745] [2020-12-23 09:11:41,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:41,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:41,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:41,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:41,800 INFO L87 Difference]: Start difference. First operand 155907 states and 283493 transitions. Second operand 3 states. [2020-12-23 09:11:53,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:53,938 INFO L93 Difference]: Finished difference Result 463068 states and 842936 transitions. [2020-12-23 09:11:53,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:53,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-12-23 09:11:53,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:54,907 INFO L225 Difference]: With dead ends: 463068 [2020-12-23 09:11:54,907 INFO L226 Difference]: Without dead ends: 307465 [2020-12-23 09:11:55,091 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 09:11:55,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307465 states. [2020-12-23 09:12:07,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307465 to 299909. [2020-12-23 09:12:07,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299909 states. [2020-12-23 09:12:09,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299909 states to 299909 states and 546918 transitions. [2020-12-23 09:12:09,014 INFO L78 Accepts]: Start accepts. Automaton has 299909 states and 546918 transitions. Word has length 126 [2020-12-23 09:12:09,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:09,014 INFO L481 AbstractCegarLoop]: Abstraction has 299909 states and 546918 transitions. [2020-12-23 09:12:09,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:12:09,015 INFO L276 IsEmpty]: Start isEmpty. Operand 299909 states and 546918 transitions. [2020-12-23 09:12:09,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-23 09:12:09,374 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:09,374 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:12:09,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 09:12:09,375 INFO L429 AbstractCegarLoop]: === Iteration 29 === [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 09:12:09,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:09,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1444505485, now seen corresponding path program 1 times [2020-12-23 09:12:09,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:09,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934195011] [2020-12-23 09:12:09,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:09,527 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 09:12:09,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934195011] [2020-12-23 09:12:09,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:09,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 09:12:09,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068091808] [2020-12-23 09:12:09,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:12:09,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:09,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:12:09,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:12:09,530 INFO L87 Difference]: Start difference. First operand 299909 states and 546918 transitions. Second operand 10 states.