/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_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:11:08,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:11:08,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:11:08,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:11:08,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:11:08,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:11:08,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:11:08,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:11:08,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:11:08,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:11:08,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:11:08,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:11:08,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:11:08,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:11:08,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:11:08,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:11:08,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:11:08,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:11:08,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:11:08,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:11:08,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:11:08,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:11:08,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:11:08,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:11:08,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:11:08,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:11:08,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:11:08,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:11:08,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:11:08,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:11:08,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:11:08,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:11:08,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:11:08,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:11:08,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:11:08,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:11:08,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:11:08,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:11:08,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:11:08,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:11:08,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:11:08,701 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 09:11:08,728 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:11:08,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:11:08,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:11:08,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:11:08,730 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:11:08,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:11:08,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:11:08,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:11:08,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:11:08,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:11:08,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:11:08,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:11:08,733 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:11:08,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:11:08,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:11:08,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:11:08,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:11:08,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:11:08,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:11:08,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:11:08,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:11:08,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:11:08,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:11:08,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:11:08,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:11:08,736 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:11:09,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:11:09,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:11:09,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:11:09,119 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:11:09,120 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:11:09,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product33.cil.c [2020-12-23 09:11:09,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/80d158895/b38ed7c7bf2f42a7acd016ddcec9a168/FLAGbb7eb6c9e [2020-12-23 09:11:09,870 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:11:09,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product33.cil.c [2020-12-23 09:11:09,904 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/80d158895/b38ed7c7bf2f42a7acd016ddcec9a168/FLAGbb7eb6c9e [2020-12-23 09:11:10,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/80d158895/b38ed7c7bf2f42a7acd016ddcec9a168 [2020-12-23 09:11:10,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:11:10,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:11:10,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:11:10,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:11:10,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:11:10,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:11:10" (1/1) ... [2020-12-23 09:11:10,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ae069b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:10, skipping insertion in model container [2020-12-23 09:11:10,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:11:10" (1/1) ... [2020-12-23 09:11:10,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:11:10,236 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] [2020-12-23 09:11:10,629 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_product33.cil.c[11297,11310] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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[~retValue_acc~14,] 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~4,] 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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__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~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_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~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_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] 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_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] 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[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] 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~21,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] 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~29,] 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[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_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~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_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~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_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~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_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~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_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~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_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~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] 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] [2020-12-23 09:11:11,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:11:11,040 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] [2020-12-23 09:11:11,113 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_product33.cil.c[11297,11310] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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[~retValue_acc~14,] 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~4,] 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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__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~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_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~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_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] 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_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] 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[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] 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~21,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] 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~29,] 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[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_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~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_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~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_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~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_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~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_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~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_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~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] 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] [2020-12-23 09:11:11,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:11:11,406 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:11:11,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:11 WrapperNode [2020-12-23 09:11:11,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:11:11,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:11:11,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:11:11,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:11:11,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:11" (1/1) ... [2020-12-23 09:11:11,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:11" (1/1) ... [2020-12-23 09:11:11,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:11:11,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:11:11,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:11:11,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:11:11,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:11" (1/1) ... [2020-12-23 09:11:11,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:11" (1/1) ... [2020-12-23 09:11:11,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:11" (1/1) ... [2020-12-23 09:11:11,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:11" (1/1) ... [2020-12-23 09:11:11,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:11" (1/1) ... [2020-12-23 09:11:11,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:11" (1/1) ... [2020-12-23 09:11:11,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:11" (1/1) ... [2020-12-23 09:11:11,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:11:11,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:11:11,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:11:11,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:11:11,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:11" (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 09:11:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 09:11:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:11:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:11:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:11:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:11:15,301 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:11:15,302 INFO L299 CfgBuilder]: Removed 407 assume(true) statements. [2020-12-23 09:11:15,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:11:15 BoogieIcfgContainer [2020-12-23 09:11:15,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:11:15,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:11:15,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:11:15,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:11:15,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:11:10" (1/3) ... [2020-12-23 09:11:15,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4964490d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:11:15, skipping insertion in model container [2020-12-23 09:11:15,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:11" (2/3) ... [2020-12-23 09:11:15,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4964490d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:11:15, skipping insertion in model container [2020-12-23 09:11:15,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:11:15" (3/3) ... [2020-12-23 09:11:15,318 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product33.cil.c [2020-12-23 09:11:15,325 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:11:15,331 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 09:11:15,349 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 09:11:15,400 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:11:15,400 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:11:15,400 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:11:15,401 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:11:15,401 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:11:15,401 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:11:15,401 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:11:15,401 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:11:15,438 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states. [2020-12-23 09:11:15,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 09:11:15,459 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:15,460 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] [2020-12-23 09:11:15,461 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:15,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:15,466 INFO L82 PathProgramCache]: Analyzing trace with hash 577208093, now seen corresponding path program 1 times [2020-12-23 09:11:15,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:15,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084125191] [2020-12-23 09:11:15,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:15,948 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 09:11:15,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084125191] [2020-12-23 09:11:15,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:15,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:15,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743550777] [2020-12-23 09:11:15,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:15,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:15,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:15,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:15,977 INFO L87 Difference]: Start difference. First operand 595 states. Second operand 3 states. [2020-12-23 09:11:16,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:16,184 INFO L93 Difference]: Finished difference Result 1750 states and 3017 transitions. [2020-12-23 09:11:16,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:16,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-23 09:11:16,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:16,242 INFO L225 Difference]: With dead ends: 1750 [2020-12-23 09:11:16,242 INFO L226 Difference]: Without dead ends: 920 [2020-12-23 09:11:16,256 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 09:11:16,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-12-23 09:11:16,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 469. [2020-12-23 09:11:16,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-12-23 09:11:16,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 810 transitions. [2020-12-23 09:11:16,373 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 810 transitions. Word has length 45 [2020-12-23 09:11:16,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:16,374 INFO L481 AbstractCegarLoop]: Abstraction has 469 states and 810 transitions. [2020-12-23 09:11:16,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:16,374 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 810 transitions. [2020-12-23 09:11:16,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 09:11:16,385 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:16,386 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 09:11:16,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:11:16,387 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:16,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:16,389 INFO L82 PathProgramCache]: Analyzing trace with hash 542224426, now seen corresponding path program 1 times [2020-12-23 09:11:16,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:16,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272351276] [2020-12-23 09:11:16,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:16,593 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 09:11:16,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272351276] [2020-12-23 09:11:16,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:16,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:11:16,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902619119] [2020-12-23 09:11:16,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:16,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:16,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:16,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:16,599 INFO L87 Difference]: Start difference. First operand 469 states and 810 transitions. Second operand 5 states. [2020-12-23 09:11:16,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:16,838 INFO L93 Difference]: Finished difference Result 1356 states and 2346 transitions. [2020-12-23 09:11:16,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:11:16,839 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-12-23 09:11:16,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:16,846 INFO L225 Difference]: With dead ends: 1356 [2020-12-23 09:11:16,846 INFO L226 Difference]: Without dead ends: 906 [2020-12-23 09:11:16,848 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 09:11:16,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-12-23 09:11:16,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 469. [2020-12-23 09:11:16,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-12-23 09:11:16,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 809 transitions. [2020-12-23 09:11:16,877 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 809 transitions. Word has length 47 [2020-12-23 09:11:16,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:16,878 INFO L481 AbstractCegarLoop]: Abstraction has 469 states and 809 transitions. [2020-12-23 09:11:16,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:16,879 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 809 transitions. [2020-12-23 09:11:16,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 09:11:16,882 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:16,882 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 09:11:16,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:11:16,883 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:16,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:16,885 INFO L82 PathProgramCache]: Analyzing trace with hash -369875651, now seen corresponding path program 1 times [2020-12-23 09:11:16,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:16,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142167616] [2020-12-23 09:11:16,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:17,026 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 09:11:17,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142167616] [2020-12-23 09:11:17,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:17,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:17,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777681154] [2020-12-23 09:11:17,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:17,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:17,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:17,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:17,029 INFO L87 Difference]: Start difference. First operand 469 states and 809 transitions. Second operand 3 states. [2020-12-23 09:11:17,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:17,072 INFO L93 Difference]: Finished difference Result 920 states and 1592 transitions. [2020-12-23 09:11:17,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:17,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 09:11:17,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:17,076 INFO L225 Difference]: With dead ends: 920 [2020-12-23 09:11:17,077 INFO L226 Difference]: Without dead ends: 474 [2020-12-23 09:11:17,078 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 09:11:17,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-12-23 09:11:17,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 469. [2020-12-23 09:11:17,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-12-23 09:11:17,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 808 transitions. [2020-12-23 09:11:17,103 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 808 transitions. Word has length 48 [2020-12-23 09:11:17,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:17,111 INFO L481 AbstractCegarLoop]: Abstraction has 469 states and 808 transitions. [2020-12-23 09:11:17,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 808 transitions. [2020-12-23 09:11:17,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 09:11:17,113 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:17,114 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 09:11:17,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:11:17,114 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:17,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:17,115 INFO L82 PathProgramCache]: Analyzing trace with hash 2118623159, now seen corresponding path program 1 times [2020-12-23 09:11:17,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:17,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122863197] [2020-12-23 09:11:17,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:17,220 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 09:11:17,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122863197] [2020-12-23 09:11:17,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:17,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:17,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593935361] [2020-12-23 09:11:17,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:17,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:17,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:17,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:17,225 INFO L87 Difference]: Start difference. First operand 469 states and 808 transitions. Second operand 3 states. [2020-12-23 09:11:17,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:17,276 INFO L93 Difference]: Finished difference Result 930 states and 1605 transitions. [2020-12-23 09:11:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:17,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-12-23 09:11:17,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:17,279 INFO L225 Difference]: With dead ends: 930 [2020-12-23 09:11:17,279 INFO L226 Difference]: Without dead ends: 469 [2020-12-23 09:11:17,281 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 09:11:17,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-12-23 09:11:17,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2020-12-23 09:11:17,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-12-23 09:11:17,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 806 transitions. [2020-12-23 09:11:17,301 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 806 transitions. Word has length 49 [2020-12-23 09:11:17,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:17,301 INFO L481 AbstractCegarLoop]: Abstraction has 469 states and 806 transitions. [2020-12-23 09:11:17,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 806 transitions. [2020-12-23 09:11:17,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 09:11:17,302 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:17,302 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 09:11:17,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:11:17,303 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:17,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:17,303 INFO L82 PathProgramCache]: Analyzing trace with hash -375775102, now seen corresponding path program 1 times [2020-12-23 09:11:17,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:17,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846562354] [2020-12-23 09:11:17,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:17,403 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 09:11:17,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846562354] [2020-12-23 09:11:17,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:17,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:11:17,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042998746] [2020-12-23 09:11:17,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:17,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:17,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:17,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:17,407 INFO L87 Difference]: Start difference. First operand 469 states and 806 transitions. Second operand 5 states. [2020-12-23 09:11:17,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:17,606 INFO L93 Difference]: Finished difference Result 1346 states and 2326 transitions. [2020-12-23 09:11:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:11:17,606 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 09:11:17,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:17,614 INFO L225 Difference]: With dead ends: 1346 [2020-12-23 09:11:17,614 INFO L226 Difference]: Without dead ends: 904 [2020-12-23 09:11:17,616 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 09:11:17,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-12-23 09:11:17,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 469. [2020-12-23 09:11:17,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-12-23 09:11:17,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 805 transitions. [2020-12-23 09:11:17,647 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 805 transitions. Word has length 50 [2020-12-23 09:11:17,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:17,647 INFO L481 AbstractCegarLoop]: Abstraction has 469 states and 805 transitions. [2020-12-23 09:11:17,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:17,647 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 805 transitions. [2020-12-23 09:11:17,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 09:11:17,650 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:17,651 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 09:11:17,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:11:17,651 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:17,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:17,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1927528831, now seen corresponding path program 1 times [2020-12-23 09:11:17,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:17,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917222035] [2020-12-23 09:11:17,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:17,797 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 09:11:17,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917222035] [2020-12-23 09:11:17,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:17,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:11:17,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854631991] [2020-12-23 09:11:17,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:17,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:17,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:17,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:17,801 INFO L87 Difference]: Start difference. First operand 469 states and 805 transitions. Second operand 5 states. [2020-12-23 09:11:18,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:18,002 INFO L93 Difference]: Finished difference Result 1351 states and 2331 transitions. [2020-12-23 09:11:18,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:11:18,003 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-23 09:11:18,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:18,008 INFO L225 Difference]: With dead ends: 1351 [2020-12-23 09:11:18,008 INFO L226 Difference]: Without dead ends: 909 [2020-12-23 09:11:18,010 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 09:11:18,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-12-23 09:11:18,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 469. [2020-12-23 09:11:18,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-12-23 09:11:18,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 804 transitions. [2020-12-23 09:11:18,049 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 804 transitions. Word has length 51 [2020-12-23 09:11:18,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:18,049 INFO L481 AbstractCegarLoop]: Abstraction has 469 states and 804 transitions. [2020-12-23 09:11:18,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:18,050 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 804 transitions. [2020-12-23 09:11:18,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 09:11:18,051 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:18,051 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:18,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:11:18,052 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:18,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:18,052 INFO L82 PathProgramCache]: Analyzing trace with hash 2069506407, now seen corresponding path program 1 times [2020-12-23 09:11:18,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:18,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142986752] [2020-12-23 09:11:18,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:18,115 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 09:11:18,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142986752] [2020-12-23 09:11:18,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:18,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:18,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565367884] [2020-12-23 09:11:18,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:18,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:18,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:18,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:18,118 INFO L87 Difference]: Start difference. First operand 469 states and 804 transitions. Second operand 3 states. [2020-12-23 09:11:18,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:18,155 INFO L93 Difference]: Finished difference Result 696 states and 1177 transitions. [2020-12-23 09:11:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:18,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-23 09:11:18,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:18,159 INFO L225 Difference]: With dead ends: 696 [2020-12-23 09:11:18,159 INFO L226 Difference]: Without dead ends: 472 [2020-12-23 09:11:18,161 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 09:11:18,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2020-12-23 09:11:18,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 471. [2020-12-23 09:11:18,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2020-12-23 09:11:18,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 806 transitions. [2020-12-23 09:11:18,190 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 806 transitions. Word has length 52 [2020-12-23 09:11:18,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:18,191 INFO L481 AbstractCegarLoop]: Abstraction has 471 states and 806 transitions. [2020-12-23 09:11:18,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:18,191 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 806 transitions. [2020-12-23 09:11:18,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 09:11:18,192 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:18,192 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] [2020-12-23 09:11:18,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:11:18,192 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:18,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:18,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1758653753, now seen corresponding path program 1 times [2020-12-23 09:11:18,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:18,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197736046] [2020-12-23 09:11:18,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:18,272 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 09:11:18,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197736046] [2020-12-23 09:11:18,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:18,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:18,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683241123] [2020-12-23 09:11:18,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:18,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:18,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:18,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:18,275 INFO L87 Difference]: Start difference. First operand 471 states and 806 transitions. Second operand 3 states. [2020-12-23 09:11:18,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:18,336 INFO L93 Difference]: Finished difference Result 1299 states and 2242 transitions. [2020-12-23 09:11:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:18,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-12-23 09:11:18,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:18,342 INFO L225 Difference]: With dead ends: 1299 [2020-12-23 09:11:18,342 INFO L226 Difference]: Without dead ends: 859 [2020-12-23 09:11:18,343 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 09:11:18,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2020-12-23 09:11:18,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 635. [2020-12-23 09:11:18,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-12-23 09:11:18,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 1106 transitions. [2020-12-23 09:11:18,409 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 1106 transitions. Word has length 60 [2020-12-23 09:11:18,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:18,410 INFO L481 AbstractCegarLoop]: Abstraction has 635 states and 1106 transitions. [2020-12-23 09:11:18,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:18,410 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1106 transitions. [2020-12-23 09:11:18,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 09:11:18,411 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:18,412 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:18,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:11:18,412 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:18,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:18,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1715702342, now seen corresponding path program 1 times [2020-12-23 09:11:18,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:18,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9953077] [2020-12-23 09:11:18,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:18,531 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 09:11:18,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9953077] [2020-12-23 09:11:18,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:18,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:11:18,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785278335] [2020-12-23 09:11:18,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:18,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:18,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:18,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:18,539 INFO L87 Difference]: Start difference. First operand 635 states and 1106 transitions. Second operand 5 states. [2020-12-23 09:11:18,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:18,813 INFO L93 Difference]: Finished difference Result 1835 states and 3224 transitions. [2020-12-23 09:11:18,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:11:18,814 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-12-23 09:11:18,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:18,821 INFO L225 Difference]: With dead ends: 1835 [2020-12-23 09:11:18,821 INFO L226 Difference]: Without dead ends: 1231 [2020-12-23 09:11:18,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:11:18,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2020-12-23 09:11:18,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 635. [2020-12-23 09:11:18,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-12-23 09:11:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 1104 transitions. [2020-12-23 09:11:18,870 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 1104 transitions. Word has length 61 [2020-12-23 09:11:18,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:18,870 INFO L481 AbstractCegarLoop]: Abstraction has 635 states and 1104 transitions. [2020-12-23 09:11:18,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:18,871 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1104 transitions. [2020-12-23 09:11:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 09:11:18,872 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:18,872 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:18,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:11:18,872 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:18,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:18,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1894882493, now seen corresponding path program 1 times [2020-12-23 09:11:18,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:18,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109693216] [2020-12-23 09:11:18,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:18,930 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 09:11:18,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109693216] [2020-12-23 09:11:18,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:18,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:18,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871878136] [2020-12-23 09:11:18,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:18,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:18,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:18,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:18,933 INFO L87 Difference]: Start difference. First operand 635 states and 1104 transitions. Second operand 3 states. [2020-12-23 09:11:19,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:19,018 INFO L93 Difference]: Finished difference Result 1833 states and 3216 transitions. [2020-12-23 09:11:19,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:19,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-23 09:11:19,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:19,025 INFO L225 Difference]: With dead ends: 1833 [2020-12-23 09:11:19,026 INFO L226 Difference]: Without dead ends: 1229 [2020-12-23 09:11:19,027 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 09:11:19,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2020-12-23 09:11:19,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1005. [2020-12-23 09:11:19,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1005 states. [2020-12-23 09:11:19,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1781 transitions. [2020-12-23 09:11:19,092 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1781 transitions. Word has length 62 [2020-12-23 09:11:19,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:19,093 INFO L481 AbstractCegarLoop]: Abstraction has 1005 states and 1781 transitions. [2020-12-23 09:11:19,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:19,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1781 transitions. [2020-12-23 09:11:19,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 09:11:19,094 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:19,095 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:19,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:11:19,095 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:19,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:19,095 INFO L82 PathProgramCache]: Analyzing trace with hash 841753189, now seen corresponding path program 1 times [2020-12-23 09:11:19,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:19,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339684910] [2020-12-23 09:11:19,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:19,197 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 09:11:19,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339684910] [2020-12-23 09:11:19,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179099669] [2020-12-23 09:11:19,198 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 09:11:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:19,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:11:19,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:11:19,642 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 09:11:19,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 09:11:19,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 09:11:19,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933978847] [2020-12-23 09:11:19,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:19,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:19,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:19,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:19,645 INFO L87 Difference]: Start difference. First operand 1005 states and 1781 transitions. Second operand 3 states. [2020-12-23 09:11:19,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:19,804 INFO L93 Difference]: Finished difference Result 1176 states and 2061 transitions. [2020-12-23 09:11:19,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:19,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-23 09:11:19,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:19,811 INFO L225 Difference]: With dead ends: 1176 [2020-12-23 09:11:19,811 INFO L226 Difference]: Without dead ends: 999 [2020-12-23 09:11:19,812 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 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 09:11:19,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-12-23 09:11:19,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 999. [2020-12-23 09:11:19,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2020-12-23 09:11:19,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1772 transitions. [2020-12-23 09:11:19,882 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1772 transitions. Word has length 62 [2020-12-23 09:11:19,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:19,883 INFO L481 AbstractCegarLoop]: Abstraction has 999 states and 1772 transitions. [2020-12-23 09:11:19,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:19,883 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1772 transitions. [2020-12-23 09:11:19,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-23 09:11:19,885 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:19,886 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:20,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 09:11:20,101 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:20,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:20,102 INFO L82 PathProgramCache]: Analyzing trace with hash -395621094, now seen corresponding path program 1 times [2020-12-23 09:11:20,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:20,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340614353] [2020-12-23 09:11:20,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:20,216 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 09:11:20,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340614353] [2020-12-23 09:11:20,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786388296] [2020-12-23 09:11:20,217 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 09:11:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:20,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:11:20,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:11:20,824 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 09:11:20,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:11:20,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 09:11:20,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335833083] [2020-12-23 09:11:20,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:20,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:20,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:20,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:20,826 INFO L87 Difference]: Start difference. First operand 999 states and 1772 transitions. Second operand 5 states. [2020-12-23 09:11:20,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:20,982 INFO L93 Difference]: Finished difference Result 1658 states and 2895 transitions. [2020-12-23 09:11:20,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:11:20,983 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-12-23 09:11:20,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:20,991 INFO L225 Difference]: With dead ends: 1658 [2020-12-23 09:11:20,991 INFO L226 Difference]: Without dead ends: 1440 [2020-12-23 09:11:20,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 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 09:11:20,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1440 states. [2020-12-23 09:11:21,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1440 to 1219. [2020-12-23 09:11:21,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1219 states. [2020-12-23 09:11:21,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 2169 transitions. [2020-12-23 09:11:21,157 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 2169 transitions. Word has length 107 [2020-12-23 09:11:21,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:21,158 INFO L481 AbstractCegarLoop]: Abstraction has 1219 states and 2169 transitions. [2020-12-23 09:11:21,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:21,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 2169 transitions. [2020-12-23 09:11:21,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 09:11:21,161 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:21,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:21,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 09:11:21,375 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:21,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:21,375 INFO L82 PathProgramCache]: Analyzing trace with hash 2146731063, now seen corresponding path program 1 times [2020-12-23 09:11:21,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:21,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179715778] [2020-12-23 09:11:21,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:21,475 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 09:11:21,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179715778] [2020-12-23 09:11:21,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:21,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:21,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555925224] [2020-12-23 09:11:21,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:21,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:21,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:21,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:21,478 INFO L87 Difference]: Start difference. First operand 1219 states and 2169 transitions. Second operand 3 states. [2020-12-23 09:11:21,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:21,634 INFO L93 Difference]: Finished difference Result 3287 states and 5874 transitions. [2020-12-23 09:11:21,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:21,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-12-23 09:11:21,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:21,647 INFO L225 Difference]: With dead ends: 3287 [2020-12-23 09:11:21,647 INFO L226 Difference]: Without dead ends: 2169 [2020-12-23 09:11:21,650 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 09:11:21,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2169 states. [2020-12-23 09:11:21,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2169 to 1951. [2020-12-23 09:11:21,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1951 states. [2020-12-23 09:11:21,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 3502 transitions. [2020-12-23 09:11:21,780 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 3502 transitions. Word has length 111 [2020-12-23 09:11:21,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:21,781 INFO L481 AbstractCegarLoop]: Abstraction has 1951 states and 3502 transitions. [2020-12-23 09:11:21,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:21,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 3502 transitions. [2020-12-23 09:11:21,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-23 09:11:21,785 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:21,786 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:21,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:11:21,786 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:21,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:21,787 INFO L82 PathProgramCache]: Analyzing trace with hash 980631991, now seen corresponding path program 1 times [2020-12-23 09:11:21,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:21,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983900726] [2020-12-23 09:11:21,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:21,859 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 09:11:21,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983900726] [2020-12-23 09:11:21,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:21,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:21,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176327521] [2020-12-23 09:11:21,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:21,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:21,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:21,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:21,862 INFO L87 Difference]: Start difference. First operand 1951 states and 3502 transitions. Second operand 3 states. [2020-12-23 09:11:22,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:22,081 INFO L93 Difference]: Finished difference Result 5219 states and 9392 transitions. [2020-12-23 09:11:22,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:22,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-23 09:11:22,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:22,101 INFO L225 Difference]: With dead ends: 5219 [2020-12-23 09:11:22,101 INFO L226 Difference]: Without dead ends: 3403 [2020-12-23 09:11:22,104 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 09:11:22,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2020-12-23 09:11:22,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 3185. [2020-12-23 09:11:22,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3185 states. [2020-12-23 09:11:22,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 3185 states and 5743 transitions. [2020-12-23 09:11:22,304 INFO L78 Accepts]: Start accepts. Automaton has 3185 states and 5743 transitions. Word has length 112 [2020-12-23 09:11:22,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:22,304 INFO L481 AbstractCegarLoop]: Abstraction has 3185 states and 5743 transitions. [2020-12-23 09:11:22,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:22,304 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 5743 transitions. [2020-12-23 09:11:22,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-23 09:11:22,312 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:22,312 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:22,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:11:22,313 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:22,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:22,313 INFO L82 PathProgramCache]: Analyzing trace with hash 2026203304, now seen corresponding path program 1 times [2020-12-23 09:11:22,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:22,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424517194] [2020-12-23 09:11:22,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:22,386 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 09:11:22,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424517194] [2020-12-23 09:11:22,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:22,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:22,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204705999] [2020-12-23 09:11:22,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:22,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:22,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:22,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:22,389 INFO L87 Difference]: Start difference. First operand 3185 states and 5743 transitions. Second operand 3 states. [2020-12-23 09:11:22,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:22,720 INFO L93 Difference]: Finished difference Result 8637 states and 15598 transitions. [2020-12-23 09:11:22,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:22,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-12-23 09:11:22,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:22,752 INFO L225 Difference]: With dead ends: 8637 [2020-12-23 09:11:22,752 INFO L226 Difference]: Without dead ends: 5621 [2020-12-23 09:11:22,759 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 09:11:22,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5621 states. [2020-12-23 09:11:23,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5621 to 5403. [2020-12-23 09:11:23,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5403 states. [2020-12-23 09:11:23,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5403 states to 5403 states and 9760 transitions. [2020-12-23 09:11:23,202 INFO L78 Accepts]: Start accepts. Automaton has 5403 states and 9760 transitions. Word has length 113 [2020-12-23 09:11:23,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:23,202 INFO L481 AbstractCegarLoop]: Abstraction has 5403 states and 9760 transitions. [2020-12-23 09:11:23,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:23,202 INFO L276 IsEmpty]: Start isEmpty. Operand 5403 states and 9760 transitions. [2020-12-23 09:11:23,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-23 09:11:23,219 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:23,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:23,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:11:23,220 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:23,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:23,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1840628472, now seen corresponding path program 1 times [2020-12-23 09:11:23,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:23,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732954231] [2020-12-23 09:11:23,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:23,330 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 09:11:23,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732954231] [2020-12-23 09:11:23,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:23,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:23,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107007096] [2020-12-23 09:11:23,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:23,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:23,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:23,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:23,333 INFO L87 Difference]: Start difference. First operand 5403 states and 9760 transitions. Second operand 3 states. [2020-12-23 09:11:23,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:23,989 INFO L93 Difference]: Finished difference Result 15617 states and 28260 transitions. [2020-12-23 09:11:23,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:23,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-12-23 09:11:23,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:24,021 INFO L225 Difference]: With dead ends: 15617 [2020-12-23 09:11:24,021 INFO L226 Difference]: Without dead ends: 10391 [2020-12-23 09:11:24,032 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 09:11:24,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10391 states. [2020-12-23 09:11:24,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10391 to 10173. [2020-12-23 09:11:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10173 states. [2020-12-23 09:11:24,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10173 states to 10173 states and 18401 transitions. [2020-12-23 09:11:24,678 INFO L78 Accepts]: Start accepts. Automaton has 10173 states and 18401 transitions. Word has length 114 [2020-12-23 09:11:24,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:24,678 INFO L481 AbstractCegarLoop]: Abstraction has 10173 states and 18401 transitions. [2020-12-23 09:11:24,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:24,678 INFO L276 IsEmpty]: Start isEmpty. Operand 10173 states and 18401 transitions. [2020-12-23 09:11:24,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-23 09:11:24,703 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:24,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:24,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:11:24,704 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:24,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:24,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1653805737, now seen corresponding path program 1 times [2020-12-23 09:11:24,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:24,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517336906] [2020-12-23 09:11:24,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:24,781 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 09:11:24,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517336906] [2020-12-23 09:11:24,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:24,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:24,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876502786] [2020-12-23 09:11:24,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:24,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:24,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:24,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:24,784 INFO L87 Difference]: Start difference. First operand 10173 states and 18401 transitions. Second operand 3 states. [2020-12-23 09:11:25,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:25,754 INFO L93 Difference]: Finished difference Result 29757 states and 53882 transitions. [2020-12-23 09:11:25,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:25,755 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-12-23 09:11:25,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:25,807 INFO L225 Difference]: With dead ends: 29757 [2020-12-23 09:11:25,807 INFO L226 Difference]: Without dead ends: 19769 [2020-12-23 09:11:25,828 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 09:11:25,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19769 states. [2020-12-23 09:11:27,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19769 to 19551. [2020-12-23 09:11:27,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19551 states. [2020-12-23 09:11:27,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19551 states to 19551 states and 35362 transitions. [2020-12-23 09:11:27,130 INFO L78 Accepts]: Start accepts. Automaton has 19551 states and 35362 transitions. Word has length 115 [2020-12-23 09:11:27,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:27,130 INFO L481 AbstractCegarLoop]: Abstraction has 19551 states and 35362 transitions. [2020-12-23 09:11:27,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:27,130 INFO L276 IsEmpty]: Start isEmpty. Operand 19551 states and 35362 transitions. [2020-12-23 09:11:27,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-23 09:11:27,174 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:27,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:27,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:11:27,175 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:27,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:27,176 INFO L82 PathProgramCache]: Analyzing trace with hash -651964393, now seen corresponding path program 1 times [2020-12-23 09:11:27,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:27,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451297672] [2020-12-23 09:11:27,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:27,268 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 09:11:27,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451297672] [2020-12-23 09:11:27,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:27,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:27,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546970602] [2020-12-23 09:11:27,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:27,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:27,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:27,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:27,274 INFO L87 Difference]: Start difference. First operand 19551 states and 35362 transitions. Second operand 3 states. [2020-12-23 09:11:28,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:28,913 INFO L93 Difference]: Finished difference Result 58077 states and 105079 transitions. [2020-12-23 09:11:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:28,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-12-23 09:11:28,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:29,020 INFO L225 Difference]: With dead ends: 58077 [2020-12-23 09:11:29,021 INFO L226 Difference]: Without dead ends: 38715 [2020-12-23 09:11:29,050 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 09:11:29,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38715 states. [2020-12-23 09:11:31,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38715 to 38497. [2020-12-23 09:11:31,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38497 states. [2020-12-23 09:11:31,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38497 states to 38497 states and 69539 transitions. [2020-12-23 09:11:31,119 INFO L78 Accepts]: Start accepts. Automaton has 38497 states and 69539 transitions. Word has length 116 [2020-12-23 09:11:31,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:31,119 INFO L481 AbstractCegarLoop]: Abstraction has 38497 states and 69539 transitions. [2020-12-23 09:11:31,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:31,119 INFO L276 IsEmpty]: Start isEmpty. Operand 38497 states and 69539 transitions. [2020-12-23 09:11:31,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 09:11:31,227 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:31,227 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] [2020-12-23 09:11:31,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:11:31,228 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:31,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:31,228 INFO L82 PathProgramCache]: Analyzing trace with hash -769974722, now seen corresponding path program 1 times [2020-12-23 09:11:31,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:31,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085529117] [2020-12-23 09:11:31,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:31,330 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 09:11:31,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085529117] [2020-12-23 09:11:31,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:31,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:11:31,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816457036] [2020-12-23 09:11:31,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:31,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:31,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:31,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:31,333 INFO L87 Difference]: Start difference. First operand 38497 states and 69539 transitions. Second operand 5 states. [2020-12-23 09:11:34,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:34,448 INFO L93 Difference]: Finished difference Result 113186 states and 204416 transitions. [2020-12-23 09:11:34,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:11:34,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 117 [2020-12-23 09:11:34,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:34,603 INFO L225 Difference]: With dead ends: 113186 [2020-12-23 09:11:34,603 INFO L226 Difference]: Without dead ends: 74946 [2020-12-23 09:11:34,655 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 09:11:34,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74946 states. [2020-12-23 09:11:36,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74946 to 38497. [2020-12-23 09:11:36,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38497 states. [2020-12-23 09:11:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38497 states to 38497 states and 69281 transitions. [2020-12-23 09:11:37,159 INFO L78 Accepts]: Start accepts. Automaton has 38497 states and 69281 transitions. Word has length 117 [2020-12-23 09:11:37,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:37,159 INFO L481 AbstractCegarLoop]: Abstraction has 38497 states and 69281 transitions. [2020-12-23 09:11:37,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 38497 states and 69281 transitions. [2020-12-23 09:11:37,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 09:11:37,190 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:37,190 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:37,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:11:37,191 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:37,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:37,191 INFO L82 PathProgramCache]: Analyzing trace with hash -290943396, now seen corresponding path program 2 times [2020-12-23 09:11:37,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:37,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136659214] [2020-12-23 09:11:37,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:11:37,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136659214] [2020-12-23 09:11:37,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:37,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:11:37,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002132102] [2020-12-23 09:11:37,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:37,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:37,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:37,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:37,304 INFO L87 Difference]: Start difference. First operand 38497 states and 69281 transitions. Second operand 5 states. [2020-12-23 09:11:39,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:39,066 INFO L93 Difference]: Finished difference Result 76949 states and 138481 transitions. [2020-12-23 09:11:39,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:11:39,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 117 [2020-12-23 09:11:39,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:39,123 INFO L225 Difference]: With dead ends: 76949 [2020-12-23 09:11:39,123 INFO L226 Difference]: Without dead ends: 38715 [2020-12-23 09:11:39,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:11:39,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38715 states. [2020-12-23 09:11:40,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38715 to 38497. [2020-12-23 09:11:40,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38497 states. [2020-12-23 09:11:40,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38497 states to 38497 states and 69153 transitions. [2020-12-23 09:11:40,837 INFO L78 Accepts]: Start accepts. Automaton has 38497 states and 69153 transitions. Word has length 117 [2020-12-23 09:11:40,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:40,837 INFO L481 AbstractCegarLoop]: Abstraction has 38497 states and 69153 transitions. [2020-12-23 09:11:40,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:40,837 INFO L276 IsEmpty]: Start isEmpty. Operand 38497 states and 69153 transitions. [2020-12-23 09:11:40,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 09:11:40,878 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:40,878 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:40,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:11:40,879 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:40,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:40,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1584847049, now seen corresponding path program 1 times [2020-12-23 09:11:40,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:40,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432583219] [2020-12-23 09:11:40,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:40,948 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 09:11:40,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432583219] [2020-12-23 09:11:40,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:40,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:40,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471567005] [2020-12-23 09:11:40,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:40,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:40,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:40,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:40,951 INFO L87 Difference]: Start difference. First operand 38497 states and 69153 transitions. Second operand 3 states. [2020-12-23 09:11:43,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:43,818 INFO L93 Difference]: Finished difference Result 107071 states and 192059 transitions. [2020-12-23 09:11:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:43,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-23 09:11:43,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:43,937 INFO L225 Difference]: With dead ends: 107071 [2020-12-23 09:11:43,937 INFO L226 Difference]: Without dead ends: 68797 [2020-12-23 09:11:43,972 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 09:11:44,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68797 states. [2020-12-23 09:11:47,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68797 to 68579. [2020-12-23 09:11:47,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68579 states. [2020-12-23 09:11:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68579 states to 68579 states and 122658 transitions. [2020-12-23 09:11:47,245 INFO L78 Accepts]: Start accepts. Automaton has 68579 states and 122658 transitions. Word has length 117 [2020-12-23 09:11:47,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:47,245 INFO L481 AbstractCegarLoop]: Abstraction has 68579 states and 122658 transitions. [2020-12-23 09:11:47,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:47,245 INFO L276 IsEmpty]: Start isEmpty. Operand 68579 states and 122658 transitions. [2020-12-23 09:11:47,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-23 09:11:47,290 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:47,290 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] [2020-12-23 09:11:47,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:11:47,290 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:47,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:47,292 INFO L82 PathProgramCache]: Analyzing trace with hash 551421090, now seen corresponding path program 1 times [2020-12-23 09:11:47,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:47,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284358501] [2020-12-23 09:11:47,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:47,459 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 09:11:47,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284358501] [2020-12-23 09:11:47,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:47,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:11:47,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041331236] [2020-12-23 09:11:47,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:11:47,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:47,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:11:47,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:11:47,462 INFO L87 Difference]: Start difference. First operand 68579 states and 122658 transitions. Second operand 9 states. [2020-12-23 09:11:53,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:53,518 INFO L93 Difference]: Finished difference Result 138547 states and 247545 transitions. [2020-12-23 09:11:53,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 09:11:53,520 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 118 [2020-12-23 09:11:53,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:53,894 INFO L225 Difference]: With dead ends: 138547 [2020-12-23 09:11:53,894 INFO L226 Difference]: Without dead ends: 138360 [2020-12-23 09:11:53,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=438, Unknown=0, NotChecked=0, Total=650 [2020-12-23 09:11:54,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138360 states. [2020-12-23 09:12:00,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138360 to 137078. [2020-12-23 09:12:00,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137078 states. [2020-12-23 09:12:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137078 states to 137078 states and 245191 transitions. [2020-12-23 09:12:00,278 INFO L78 Accepts]: Start accepts. Automaton has 137078 states and 245191 transitions. Word has length 118 [2020-12-23 09:12:00,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:00,278 INFO L481 AbstractCegarLoop]: Abstraction has 137078 states and 245191 transitions. [2020-12-23 09:12:00,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:12:00,279 INFO L276 IsEmpty]: Start isEmpty. Operand 137078 states and 245191 transitions. [2020-12-23 09:12:00,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 09:12:00,740 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:00,740 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] [2020-12-23 09:12:00,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:12:00,740 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:00,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:00,745 INFO L82 PathProgramCache]: Analyzing trace with hash -25342873, now seen corresponding path program 1 times [2020-12-23 09:12:00,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:00,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376678536] [2020-12-23 09:12:00,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:00,831 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 09:12:00,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376678536] [2020-12-23 09:12:00,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:00,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:12:00,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268067171] [2020-12-23 09:12:00,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:12:00,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:00,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:12:00,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:12:00,837 INFO L87 Difference]: Start difference. First operand 137078 states and 245191 transitions. Second operand 4 states. [2020-12-23 09:12:05,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:05,670 INFO L93 Difference]: Finished difference Result 137506 states and 245877 transitions. [2020-12-23 09:12:05,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:12:05,671 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2020-12-23 09:12:05,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:06,014 INFO L225 Difference]: With dead ends: 137506 [2020-12-23 09:12:06,014 INFO L226 Difference]: Without dead ends: 137111 [2020-12-23 09:12:06,043 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 09:12:06,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137111 states. [2020-12-23 09:12:11,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137111 to 136958. [2020-12-23 09:12:11,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136958 states. [2020-12-23 09:12:12,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136958 states to 136958 states and 244984 transitions. [2020-12-23 09:12:12,079 INFO L78 Accepts]: Start accepts. Automaton has 136958 states and 244984 transitions. Word has length 119 [2020-12-23 09:12:12,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:12,079 INFO L481 AbstractCegarLoop]: Abstraction has 136958 states and 244984 transitions. [2020-12-23 09:12:12,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:12:12,080 INFO L276 IsEmpty]: Start isEmpty. Operand 136958 states and 244984 transitions. [2020-12-23 09:12:12,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 09:12:12,166 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:12,166 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] [2020-12-23 09:12:12,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:12:12,167 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:12,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:12,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1393711064, now seen corresponding path program 1 times [2020-12-23 09:12:12,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:12,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870765150] [2020-12-23 09:12:12,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:12,606 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 09:12:12,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870765150] [2020-12-23 09:12:12,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:12,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 09:12:12,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254968163] [2020-12-23 09:12:12,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:12:12,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:12,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:12:12,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:12:12,609 INFO L87 Difference]: Start difference. First operand 136958 states and 244984 transitions. Second operand 7 states. [2020-12-23 09:12:17,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:17,450 INFO L93 Difference]: Finished difference Result 137511 states and 245877 transitions. [2020-12-23 09:12:17,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 09:12:17,451 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 120 [2020-12-23 09:12:17,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:17,700 INFO L225 Difference]: With dead ends: 137511 [2020-12-23 09:12:17,701 INFO L226 Difference]: Without dead ends: 137147 [2020-12-23 09:12:17,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-12-23 09:12:17,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137147 states. [2020-12-23 09:12:23,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137147 to 136946. [2020-12-23 09:12:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136946 states. [2020-12-23 09:12:24,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136946 states to 136946 states and 244957 transitions. [2020-12-23 09:12:24,124 INFO L78 Accepts]: Start accepts. Automaton has 136946 states and 244957 transitions. Word has length 120 [2020-12-23 09:12:24,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:24,124 INFO L481 AbstractCegarLoop]: Abstraction has 136946 states and 244957 transitions. [2020-12-23 09:12:24,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:12:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 136946 states and 244957 transitions. [2020-12-23 09:12:24,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 09:12:24,206 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:24,207 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] [2020-12-23 09:12:24,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 09:12:24,207 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:24,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:24,207 INFO L82 PathProgramCache]: Analyzing trace with hash -652859904, now seen corresponding path program 1 times [2020-12-23 09:12:24,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:24,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563307283] [2020-12-23 09:12:24,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:24,289 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 09:12:24,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563307283] [2020-12-23 09:12:24,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:24,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:12:24,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205202065] [2020-12-23 09:12:24,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:12:24,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:24,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:12:24,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:12:24,291 INFO L87 Difference]: Start difference. First operand 136946 states and 244957 transitions. Second operand 4 states. [2020-12-23 09:12:32,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:32,258 INFO L93 Difference]: Finished difference Result 206211 states and 368697 transitions. [2020-12-23 09:12:32,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:12:32,390 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2020-12-23 09:12:32,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:32,769 INFO L225 Difference]: With dead ends: 206211 [2020-12-23 09:12:32,770 INFO L226 Difference]: Without dead ends: 205960 [2020-12-23 09:12:32,821 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 09:12:33,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205960 states. [2020-12-23 09:12:41,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205960 to 205378. [2020-12-23 09:12:41,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205378 states. [2020-12-23 09:12:42,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205378 states to 205378 states and 367360 transitions. [2020-12-23 09:12:42,580 INFO L78 Accepts]: Start accepts. Automaton has 205378 states and 367360 transitions. Word has length 120 [2020-12-23 09:12:42,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:42,580 INFO L481 AbstractCegarLoop]: Abstraction has 205378 states and 367360 transitions. [2020-12-23 09:12:42,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:12:42,580 INFO L276 IsEmpty]: Start isEmpty. Operand 205378 states and 367360 transitions. [2020-12-23 09:12:42,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 09:12:42,741 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:42,742 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] [2020-12-23 09:12:42,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 09:12:42,742 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:42,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:42,742 INFO L82 PathProgramCache]: Analyzing trace with hash -92160126, now seen corresponding path program 1 times [2020-12-23 09:12:42,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:42,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822658099] [2020-12-23 09:12:42,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:42,903 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 09:12:42,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822658099] [2020-12-23 09:12:42,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:42,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 09:12:42,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937469227] [2020-12-23 09:12:42,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:12:42,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:42,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:12:42,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:12:42,906 INFO L87 Difference]: Start difference. First operand 205378 states and 367360 transitions. Second operand 10 states. [2020-12-23 09:12:52,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:52,068 INFO L93 Difference]: Finished difference Result 209652 states and 374084 transitions. [2020-12-23 09:12:52,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-23 09:12:52,069 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 120 [2020-12-23 09:12:52,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:52,608 INFO L225 Difference]: With dead ends: 209652 [2020-12-23 09:12:52,608 INFO L226 Difference]: Without dead ends: 209158 [2020-12-23 09:12:52,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=337, Invalid=923, Unknown=0, NotChecked=0, Total=1260 [2020-12-23 09:12:52,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209158 states. [2020-12-23 09:13:03,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209158 to 205396. [2020-12-23 09:13:03,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205396 states. [2020-12-23 09:13:04,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205396 states to 205396 states and 367384 transitions. [2020-12-23 09:13:04,157 INFO L78 Accepts]: Start accepts. Automaton has 205396 states and 367384 transitions. Word has length 120 [2020-12-23 09:13:04,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:04,157 INFO L481 AbstractCegarLoop]: Abstraction has 205396 states and 367384 transitions. [2020-12-23 09:13:04,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:13:04,158 INFO L276 IsEmpty]: Start isEmpty. Operand 205396 states and 367384 transitions. [2020-12-23 09:13:04,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:13:04,293 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:04,293 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] [2020-12-23 09:13:04,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 09:13:04,294 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:04,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:04,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1042220148, now seen corresponding path program 1 times [2020-12-23 09:13:04,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:04,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523609483] [2020-12-23 09:13:04,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:04,403 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 09:13:04,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523609483] [2020-12-23 09:13:04,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:04,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:13:04,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319967283] [2020-12-23 09:13:04,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:13:04,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:04,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:13:04,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:13:04,405 INFO L87 Difference]: Start difference. First operand 205396 states and 367384 transitions. Second operand 5 states. [2020-12-23 09:13:13,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:13,122 INFO L93 Difference]: Finished difference Result 208518 states and 372364 transitions. [2020-12-23 09:13:13,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:13:13,122 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-12-23 09:13:13,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:13,680 INFO L225 Difference]: With dead ends: 208518 [2020-12-23 09:13:13,680 INFO L226 Difference]: Without dead ends: 208096 [2020-12-23 09:13:13,723 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 09:13:13,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208096 states. [2020-12-23 09:13:23,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208096 to 205780. [2020-12-23 09:13:23,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205780 states. [2020-12-23 09:13:23,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205780 states to 205780 states and 368007 transitions. [2020-12-23 09:13:23,904 INFO L78 Accepts]: Start accepts. Automaton has 205780 states and 368007 transitions. Word has length 121 [2020-12-23 09:13:23,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:23,904 INFO L481 AbstractCegarLoop]: Abstraction has 205780 states and 368007 transitions. [2020-12-23 09:13:23,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:13:23,904 INFO L276 IsEmpty]: Start isEmpty. Operand 205780 states and 368007 transitions. [2020-12-23 09:13:24,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-23 09:13:24,037 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:24,037 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] [2020-12-23 09:13:24,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 09:13:24,038 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:24,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:24,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1856586115, now seen corresponding path program 1 times [2020-12-23 09:13:24,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:24,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649493612] [2020-12-23 09:13:24,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:24,174 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 09:13:24,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649493612] [2020-12-23 09:13:24,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:24,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 09:13:24,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777277613] [2020-12-23 09:13:24,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:13:24,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:24,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:13:24,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:13:24,176 INFO L87 Difference]: Start difference. First operand 205780 states and 368007 transitions. Second operand 10 states. [2020-12-23 09:13:32,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:32,746 INFO L93 Difference]: Finished difference Result 206806 states and 369636 transitions. [2020-12-23 09:13:32,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 09:13:32,747 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 122 [2020-12-23 09:13:32,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:33,123 INFO L225 Difference]: With dead ends: 206806 [2020-12-23 09:13:33,123 INFO L226 Difference]: Without dead ends: 205946 [2020-12-23 09:13:33,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=185, Invalid=415, Unknown=0, NotChecked=0, Total=600 [2020-12-23 09:13:33,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205946 states. [2020-12-23 09:13:42,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205946 to 205744. [2020-12-23 09:13:42,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205744 states. [2020-12-23 09:13:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205744 states to 205744 states and 367920 transitions. [2020-12-23 09:13:43,452 INFO L78 Accepts]: Start accepts. Automaton has 205744 states and 367920 transitions. Word has length 122 [2020-12-23 09:13:43,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:43,452 INFO L481 AbstractCegarLoop]: Abstraction has 205744 states and 367920 transitions. [2020-12-23 09:13:43,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:13:43,453 INFO L276 IsEmpty]: Start isEmpty. Operand 205744 states and 367920 transitions. [2020-12-23 09:13:43,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-23 09:13:43,622 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:43,622 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] [2020-12-23 09:13:43,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 09:13:43,623 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:43,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:43,623 INFO L82 PathProgramCache]: Analyzing trace with hash 607122878, now seen corresponding path program 1 times [2020-12-23 09:13:43,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:43,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79881968] [2020-12-23 09:13:43,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:43,717 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 09:13:43,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79881968] [2020-12-23 09:13:43,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:43,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 09:13:43,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805292448] [2020-12-23 09:13:43,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:13:43,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:43,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:13:43,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:13:43,719 INFO L87 Difference]: Start difference. First operand 205744 states and 367920 transitions. Second operand 7 states.