/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_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:57:16,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:57:16,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:57:17,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:57:17,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:57:17,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:57:17,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:57:17,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:57:17,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:57:17,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:57:17,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:57:17,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:57:17,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:57:17,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:57:17,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:57:17,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:57:17,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:57:17,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:57:17,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:57:17,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:57:17,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:57:17,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:57:17,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:57:17,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:57:17,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:57:17,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:57:17,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:57:17,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:57:17,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:57:17,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:57:17,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:57:17,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:57:17,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:57:17,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:57:17,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:57:17,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:57:17,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:57:17,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:57:17,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:57:17,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:57:17,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:57:17,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:57:17,174 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:57:17,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:57:17,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:57:17,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:57:17,180 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:57:17,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:57:17,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:57:17,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:57:17,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:57:17,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:57:17,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:57:17,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:57:17,183 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:57:17,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:57:17,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:57:17,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:57:17,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:57:17,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:57:17,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:57:17,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:57:17,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:57:17,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:57:17,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:57:17,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:57:17,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:57:17,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:57:17,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:57:17,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:57:17,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:57:17,657 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:57:17,658 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:57:17,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product34.cil.c [2020-12-23 08:57:17,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/bf82b56bd/21c0dc6333b340afa44a40c5b67b1e9d/FLAG38ffe9253 [2020-12-23 08:57:18,678 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:57:18,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product34.cil.c [2020-12-23 08:57:18,713 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/bf82b56bd/21c0dc6333b340afa44a40c5b67b1e9d/FLAG38ffe9253 [2020-12-23 08:57:18,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/bf82b56bd/21c0dc6333b340afa44a40c5b67b1e9d [2020-12-23 08:57:18,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:57:18,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:57:18,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:57:18,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:57:18,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:57:18,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:57:18" (1/1) ... [2020-12-23 08:57:18,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d518d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:57:18, skipping insertion in model container [2020-12-23 08:57:18,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:57:18" (1/1) ... [2020-12-23 08:57:18,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:57:18,875 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~sent_signed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~4,] 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~4,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] 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~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[~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[~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[~retValue_acc~6,] 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[~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[~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[~retValue_acc~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~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[~__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~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_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~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_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~5,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~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[~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[~retValue_acc~13,] 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~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[~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[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__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~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_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] [2020-12-23 08:57:19,484 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_spec3_product34.cil.c[43479,43492] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] 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___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~5,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~6,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~10,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] 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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] 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~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_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] 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_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] 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~41,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 08:57:19,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:57:19,634 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~sent_signed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~4,] 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~4,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] 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~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[~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[~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[~retValue_acc~6,] 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[~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[~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[~retValue_acc~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~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[~__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~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_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~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_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~5,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~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[~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[~retValue_acc~13,] 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~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[~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[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__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~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_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] [2020-12-23 08:57:19,748 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_spec3_product34.cil.c[43479,43492] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] 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___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~5,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~6,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~10,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] 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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] 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~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_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] 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_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] 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~41,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 08:57:19,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:57:19,949 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:57:19,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:57:19 WrapperNode [2020-12-23 08:57:19,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:57:19,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:57:19,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:57:19,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:57:19,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:57:19" (1/1) ... [2020-12-23 08:57:19,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:57:19" (1/1) ... [2020-12-23 08:57:20,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:57:20,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:57:20,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:57:20,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:57:20,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:57:19" (1/1) ... [2020-12-23 08:57:20,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:57:19" (1/1) ... [2020-12-23 08:57:20,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:57:19" (1/1) ... [2020-12-23 08:57:20,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:57:19" (1/1) ... [2020-12-23 08:57:20,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:57:19" (1/1) ... [2020-12-23 08:57:20,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:57:19" (1/1) ... [2020-12-23 08:57:20,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:57:19" (1/1) ... [2020-12-23 08:57:20,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:57:20,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:57:20,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:57:20,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:57:20,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:57:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:57:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:57:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:57:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:57:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:57:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:57:25,462 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:57:25,463 INFO L299 CfgBuilder]: Removed 909 assume(true) statements. [2020-12-23 08:57:25,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:57:25 BoogieIcfgContainer [2020-12-23 08:57:25,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:57:25,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:57:25,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:57:25,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:57:25,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:57:18" (1/3) ... [2020-12-23 08:57:25,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7319ff03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:57:25, skipping insertion in model container [2020-12-23 08:57:25,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:57:19" (2/3) ... [2020-12-23 08:57:25,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7319ff03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:57:25, skipping insertion in model container [2020-12-23 08:57:25,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:57:25" (3/3) ... [2020-12-23 08:57:25,477 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec3_product34.cil.c [2020-12-23 08:57:25,484 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:57:25,491 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2020-12-23 08:57:25,512 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-12-23 08:57:25,548 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:57:25,548 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:57:25,548 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:57:25,548 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:57:25,548 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:57:25,548 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:57:25,549 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:57:25,549 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:57:25,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states. [2020-12-23 08:57:25,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 08:57:25,619 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:25,620 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] [2020-12-23 08:57:25,621 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:25,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:25,627 INFO L82 PathProgramCache]: Analyzing trace with hash -2095635949, now seen corresponding path program 1 times [2020-12-23 08:57:25,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:25,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031995236] [2020-12-23 08:57:25,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:26,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031995236] [2020-12-23 08:57:26,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:26,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:57:26,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149314665] [2020-12-23 08:57:26,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:57:26,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:26,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:57:26,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:26,229 INFO L87 Difference]: Start difference. First operand 1380 states. Second operand 3 states. [2020-12-23 08:57:26,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:26,499 INFO L93 Difference]: Finished difference Result 4105 states and 7040 transitions. [2020-12-23 08:57:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:57:26,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-12-23 08:57:26,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:26,567 INFO L225 Difference]: With dead ends: 4105 [2020-12-23 08:57:26,567 INFO L226 Difference]: Without dead ends: 2412 [2020-12-23 08:57:26,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:26,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2020-12-23 08:57:26,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 1215. [2020-12-23 08:57:26,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2020-12-23 08:57:26,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 2077 transitions. [2020-12-23 08:57:26,781 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 2077 transitions. Word has length 60 [2020-12-23 08:57:26,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:26,782 INFO L481 AbstractCegarLoop]: Abstraction has 1215 states and 2077 transitions. [2020-12-23 08:57:26,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:57:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 2077 transitions. [2020-12-23 08:57:26,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 08:57:26,795 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:26,796 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] [2020-12-23 08:57:26,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:57:26,797 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:26,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:26,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1257187855, now seen corresponding path program 1 times [2020-12-23 08:57:26,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:26,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042506729] [2020-12-23 08:57:26,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:26,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:26,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042506729] [2020-12-23 08:57:26,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:26,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:57:26,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487767385] [2020-12-23 08:57:26,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:57:26,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:26,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:57:26,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:57:26,958 INFO L87 Difference]: Start difference. First operand 1215 states and 2077 transitions. Second operand 5 states. [2020-12-23 08:57:27,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:27,345 INFO L93 Difference]: Finished difference Result 3594 states and 6147 transitions. [2020-12-23 08:57:27,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:57:27,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2020-12-23 08:57:27,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:27,421 INFO L225 Difference]: With dead ends: 3594 [2020-12-23 08:57:27,422 INFO L226 Difference]: Without dead ends: 2398 [2020-12-23 08:57:27,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:57:27,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2398 states. [2020-12-23 08:57:27,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2398 to 1215. [2020-12-23 08:57:27,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2020-12-23 08:57:27,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 2076 transitions. [2020-12-23 08:57:27,505 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 2076 transitions. Word has length 62 [2020-12-23 08:57:27,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:27,505 INFO L481 AbstractCegarLoop]: Abstraction has 1215 states and 2076 transitions. [2020-12-23 08:57:27,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:57:27,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 2076 transitions. [2020-12-23 08:57:27,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 08:57:27,508 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:27,509 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] [2020-12-23 08:57:27,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:57:27,510 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:27,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:27,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1687603074, now seen corresponding path program 1 times [2020-12-23 08:57:27,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:27,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426247915] [2020-12-23 08:57:27,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:27,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:27,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426247915] [2020-12-23 08:57:27,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:27,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:57:27,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932368059] [2020-12-23 08:57:27,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:57:27,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:27,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:57:27,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:27,718 INFO L87 Difference]: Start difference. First operand 1215 states and 2076 transitions. Second operand 3 states. [2020-12-23 08:57:27,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:27,822 INFO L93 Difference]: Finished difference Result 2412 states and 4126 transitions. [2020-12-23 08:57:27,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:57:27,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-12-23 08:57:27,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:27,831 INFO L225 Difference]: With dead ends: 2412 [2020-12-23 08:57:27,831 INFO L226 Difference]: Without dead ends: 1220 [2020-12-23 08:57:27,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:27,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2020-12-23 08:57:27,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1215. [2020-12-23 08:57:27,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2020-12-23 08:57:27,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 2075 transitions. [2020-12-23 08:57:27,906 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 2075 transitions. Word has length 63 [2020-12-23 08:57:27,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:27,914 INFO L481 AbstractCegarLoop]: Abstraction has 1215 states and 2075 transitions. [2020-12-23 08:57:27,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:57:27,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 2075 transitions. [2020-12-23 08:57:27,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 08:57:27,917 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:27,917 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] [2020-12-23 08:57:27,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:57:27,918 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:27,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:27,919 INFO L82 PathProgramCache]: Analyzing trace with hash 2046180036, now seen corresponding path program 1 times [2020-12-23 08:57:27,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:27,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418183665] [2020-12-23 08:57:27,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:28,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:28,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418183665] [2020-12-23 08:57:28,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:28,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:57:28,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000207915] [2020-12-23 08:57:28,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:57:28,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:28,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:57:28,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:28,064 INFO L87 Difference]: Start difference. First operand 1215 states and 2075 transitions. Second operand 3 states. [2020-12-23 08:57:28,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:28,167 INFO L93 Difference]: Finished difference Result 2422 states and 4139 transitions. [2020-12-23 08:57:28,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:57:28,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-12-23 08:57:28,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:28,176 INFO L225 Difference]: With dead ends: 2422 [2020-12-23 08:57:28,177 INFO L226 Difference]: Without dead ends: 1215 [2020-12-23 08:57:28,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:28,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2020-12-23 08:57:28,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1215. [2020-12-23 08:57:28,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2020-12-23 08:57:28,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 2073 transitions. [2020-12-23 08:57:28,246 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 2073 transitions. Word has length 64 [2020-12-23 08:57:28,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:28,249 INFO L481 AbstractCegarLoop]: Abstraction has 1215 states and 2073 transitions. [2020-12-23 08:57:28,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:57:28,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 2073 transitions. [2020-12-23 08:57:28,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 08:57:28,252 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:28,252 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] [2020-12-23 08:57:28,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:57:28,253 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:28,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:28,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1912690023, now seen corresponding path program 1 times [2020-12-23 08:57:28,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:28,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819850008] [2020-12-23 08:57:28,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:28,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:28,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819850008] [2020-12-23 08:57:28,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:28,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:57:28,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051248544] [2020-12-23 08:57:28,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:57:28,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:28,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:57:28,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:57:28,412 INFO L87 Difference]: Start difference. First operand 1215 states and 2073 transitions. Second operand 5 states. [2020-12-23 08:57:28,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:28,768 INFO L93 Difference]: Finished difference Result 3584 states and 6127 transitions. [2020-12-23 08:57:28,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:57:28,770 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-12-23 08:57:28,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:28,784 INFO L225 Difference]: With dead ends: 3584 [2020-12-23 08:57:28,784 INFO L226 Difference]: Without dead ends: 2396 [2020-12-23 08:57:28,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:57:28,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2020-12-23 08:57:28,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 1215. [2020-12-23 08:57:28,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2020-12-23 08:57:28,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 2072 transitions. [2020-12-23 08:57:28,875 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 2072 transitions. Word has length 65 [2020-12-23 08:57:28,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:28,875 INFO L481 AbstractCegarLoop]: Abstraction has 1215 states and 2072 transitions. [2020-12-23 08:57:28,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:57:28,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 2072 transitions. [2020-12-23 08:57:28,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 08:57:28,877 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:28,877 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] [2020-12-23 08:57:28,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:57:28,878 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:28,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:28,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1097420796, now seen corresponding path program 1 times [2020-12-23 08:57:28,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:28,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484899030] [2020-12-23 08:57:28,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:29,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484899030] [2020-12-23 08:57:29,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:29,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:57:29,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138416618] [2020-12-23 08:57:29,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:57:29,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:29,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:57:29,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:57:29,004 INFO L87 Difference]: Start difference. First operand 1215 states and 2072 transitions. Second operand 5 states. [2020-12-23 08:57:29,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:29,305 INFO L93 Difference]: Finished difference Result 3589 states and 6132 transitions. [2020-12-23 08:57:29,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:57:29,306 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2020-12-23 08:57:29,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:29,320 INFO L225 Difference]: With dead ends: 3589 [2020-12-23 08:57:29,320 INFO L226 Difference]: Without dead ends: 2401 [2020-12-23 08:57:29,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:57:29,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2401 states. [2020-12-23 08:57:29,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2401 to 1215. [2020-12-23 08:57:29,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2020-12-23 08:57:29,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 2071 transitions. [2020-12-23 08:57:29,409 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 2071 transitions. Word has length 66 [2020-12-23 08:57:29,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:29,410 INFO L481 AbstractCegarLoop]: Abstraction has 1215 states and 2071 transitions. [2020-12-23 08:57:29,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:57:29,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 2071 transitions. [2020-12-23 08:57:29,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 08:57:29,411 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:29,412 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] [2020-12-23 08:57:29,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:57:29,413 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:29,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:29,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1700193516, now seen corresponding path program 1 times [2020-12-23 08:57:29,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:29,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062003507] [2020-12-23 08:57:29,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:29,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:29,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062003507] [2020-12-23 08:57:29,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:29,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:57:29,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181183340] [2020-12-23 08:57:29,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:57:29,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:29,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:57:29,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:29,519 INFO L87 Difference]: Start difference. First operand 1215 states and 2071 transitions. Second operand 3 states. [2020-12-23 08:57:29,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:29,600 INFO L93 Difference]: Finished difference Result 2149 states and 3636 transitions. [2020-12-23 08:57:29,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:57:29,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-12-23 08:57:29,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:29,608 INFO L225 Difference]: With dead ends: 2149 [2020-12-23 08:57:29,608 INFO L226 Difference]: Without dead ends: 1218 [2020-12-23 08:57:29,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:29,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-12-23 08:57:29,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1217. [2020-12-23 08:57:29,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1217 states. [2020-12-23 08:57:29,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 2073 transitions. [2020-12-23 08:57:29,711 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 2073 transitions. Word has length 67 [2020-12-23 08:57:29,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:29,712 INFO L481 AbstractCegarLoop]: Abstraction has 1217 states and 2073 transitions. [2020-12-23 08:57:29,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:57:29,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 2073 transitions. [2020-12-23 08:57:29,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 08:57:29,716 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:29,716 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] [2020-12-23 08:57:29,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:57:29,716 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:29,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:29,717 INFO L82 PathProgramCache]: Analyzing trace with hash 706937106, now seen corresponding path program 1 times [2020-12-23 08:57:29,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:29,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004008499] [2020-12-23 08:57:29,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:29,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:29,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004008499] [2020-12-23 08:57:29,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:29,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:57:29,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558117519] [2020-12-23 08:57:29,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:57:29,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:29,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:57:29,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:29,816 INFO L87 Difference]: Start difference. First operand 1217 states and 2073 transitions. Second operand 3 states. [2020-12-23 08:57:29,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:29,971 INFO L93 Difference]: Finished difference Result 3537 states and 6043 transitions. [2020-12-23 08:57:29,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:57:29,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-12-23 08:57:29,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:29,986 INFO L225 Difference]: With dead ends: 3537 [2020-12-23 08:57:29,986 INFO L226 Difference]: Without dead ends: 2351 [2020-12-23 08:57:29,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:29,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2351 states. [2020-12-23 08:57:30,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2351 to 1420. [2020-12-23 08:57:30,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1420 states. [2020-12-23 08:57:30,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 2448 transitions. [2020-12-23 08:57:30,099 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 2448 transitions. Word has length 73 [2020-12-23 08:57:30,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:30,099 INFO L481 AbstractCegarLoop]: Abstraction has 1420 states and 2448 transitions. [2020-12-23 08:57:30,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:57:30,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 2448 transitions. [2020-12-23 08:57:30,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 08:57:30,101 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:30,101 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] [2020-12-23 08:57:30,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:57:30,102 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:30,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:30,102 INFO L82 PathProgramCache]: Analyzing trace with hash 532222513, now seen corresponding path program 1 times [2020-12-23 08:57:30,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:30,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209173623] [2020-12-23 08:57:30,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:30,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:30,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209173623] [2020-12-23 08:57:30,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437746911] [2020-12-23 08:57:30,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:57:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:30,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:57:30,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:57:30,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:30,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:57:30,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:57:30,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400680093] [2020-12-23 08:57:30,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:57:30,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:30,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:57:30,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:57:30,792 INFO L87 Difference]: Start difference. First operand 1420 states and 2448 transitions. Second operand 5 states. [2020-12-23 08:57:31,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:31,096 INFO L93 Difference]: Finished difference Result 3541 states and 6046 transitions. [2020-12-23 08:57:31,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:57:31,102 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-12-23 08:57:31,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:31,117 INFO L225 Difference]: With dead ends: 3541 [2020-12-23 08:57:31,117 INFO L226 Difference]: Without dead ends: 2610 [2020-12-23 08:57:31,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:57:31,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2610 states. [2020-12-23 08:57:31,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2610 to 1677. [2020-12-23 08:57:31,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1677 states. [2020-12-23 08:57:31,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1677 states and 2920 transitions. [2020-12-23 08:57:31,275 INFO L78 Accepts]: Start accepts. Automaton has 1677 states and 2920 transitions. Word has length 74 [2020-12-23 08:57:31,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:31,275 INFO L481 AbstractCegarLoop]: Abstraction has 1677 states and 2920 transitions. [2020-12-23 08:57:31,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:57:31,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 2920 transitions. [2020-12-23 08:57:31,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 08:57:31,278 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:31,278 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] [2020-12-23 08:57:31,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 08:57:31,493 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:31,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:31,494 INFO L82 PathProgramCache]: Analyzing trace with hash -482335356, now seen corresponding path program 1 times [2020-12-23 08:57:31,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:31,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618396358] [2020-12-23 08:57:31,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:31,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:31,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618396358] [2020-12-23 08:57:31,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:31,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:57:31,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240664455] [2020-12-23 08:57:31,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:57:31,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:31,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:57:31,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:31,569 INFO L87 Difference]: Start difference. First operand 1677 states and 2920 transitions. Second operand 3 states. [2020-12-23 08:57:31,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:31,774 INFO L93 Difference]: Finished difference Result 4654 states and 8102 transitions. [2020-12-23 08:57:31,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:57:31,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-12-23 08:57:31,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:31,794 INFO L225 Difference]: With dead ends: 4654 [2020-12-23 08:57:31,794 INFO L226 Difference]: Without dead ends: 3066 [2020-12-23 08:57:31,799 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:31,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3066 states. [2020-12-23 08:57:31,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3066 to 2135. [2020-12-23 08:57:31,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2135 states. [2020-12-23 08:57:31,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 2135 states and 3762 transitions. [2020-12-23 08:57:31,959 INFO L78 Accepts]: Start accepts. Automaton has 2135 states and 3762 transitions. Word has length 80 [2020-12-23 08:57:31,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:31,959 INFO L481 AbstractCegarLoop]: Abstraction has 2135 states and 3762 transitions. [2020-12-23 08:57:31,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:57:31,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 3762 transitions. [2020-12-23 08:57:31,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 08:57:31,963 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:31,963 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:57:31,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:57:31,963 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:31,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:31,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1567141772, now seen corresponding path program 2 times [2020-12-23 08:57:31,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:31,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424039599] [2020-12-23 08:57:31,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:32,127 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:32,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424039599] [2020-12-23 08:57:32,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:32,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:57:32,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540106421] [2020-12-23 08:57:32,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:57:32,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:32,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:57:32,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:57:32,130 INFO L87 Difference]: Start difference. First operand 2135 states and 3762 transitions. Second operand 5 states. [2020-12-23 08:57:32,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:32,472 INFO L93 Difference]: Finished difference Result 4911 states and 8572 transitions. [2020-12-23 08:57:32,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:57:32,473 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2020-12-23 08:57:32,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:32,510 INFO L225 Difference]: With dead ends: 4911 [2020-12-23 08:57:32,510 INFO L226 Difference]: Without dead ends: 3066 [2020-12-23 08:57:32,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:57:32,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3066 states. [2020-12-23 08:57:32,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3066 to 2135. [2020-12-23 08:57:32,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2135 states. [2020-12-23 08:57:32,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 2135 states and 3760 transitions. [2020-12-23 08:57:32,726 INFO L78 Accepts]: Start accepts. Automaton has 2135 states and 3760 transitions. Word has length 81 [2020-12-23 08:57:32,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:32,727 INFO L481 AbstractCegarLoop]: Abstraction has 2135 states and 3760 transitions. [2020-12-23 08:57:32,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:57:32,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 3760 transitions. [2020-12-23 08:57:32,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 08:57:32,732 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:32,732 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] [2020-12-23 08:57:32,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 08:57:32,732 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:32,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:32,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1750087635, now seen corresponding path program 1 times [2020-12-23 08:57:32,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:32,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031498170] [2020-12-23 08:57:32,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:32,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:32,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031498170] [2020-12-23 08:57:32,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:32,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:57:32,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110415737] [2020-12-23 08:57:32,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:57:32,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:32,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:57:32,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:32,852 INFO L87 Difference]: Start difference. First operand 2135 states and 3760 transitions. Second operand 3 states. [2020-12-23 08:57:33,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:33,136 INFO L93 Difference]: Finished difference Result 6000 states and 10577 transitions. [2020-12-23 08:57:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:57:33,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-12-23 08:57:33,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:33,149 INFO L225 Difference]: With dead ends: 6000 [2020-12-23 08:57:33,149 INFO L226 Difference]: Without dead ends: 3962 [2020-12-23 08:57:33,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:33,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3962 states. [2020-12-23 08:57:33,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3962 to 3031. [2020-12-23 08:57:33,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3031 states. [2020-12-23 08:57:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 3031 states and 5407 transitions. [2020-12-23 08:57:33,420 INFO L78 Accepts]: Start accepts. Automaton has 3031 states and 5407 transitions. Word has length 81 [2020-12-23 08:57:33,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:33,422 INFO L481 AbstractCegarLoop]: Abstraction has 3031 states and 5407 transitions. [2020-12-23 08:57:33,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:57:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3031 states and 5407 transitions. [2020-12-23 08:57:33,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 08:57:33,431 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:33,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:57:33,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:57:33,432 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:33,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:33,432 INFO L82 PathProgramCache]: Analyzing trace with hash -136830906, now seen corresponding path program 1 times [2020-12-23 08:57:33,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:33,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5725366] [2020-12-23 08:57:33,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:33,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:33,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5725366] [2020-12-23 08:57:33,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:33,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:57:33,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190795265] [2020-12-23 08:57:33,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:57:33,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:33,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:57:33,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:33,527 INFO L87 Difference]: Start difference. First operand 3031 states and 5407 transitions. Second operand 3 states. [2020-12-23 08:57:33,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:33,845 INFO L93 Difference]: Finished difference Result 8424 states and 15037 transitions. [2020-12-23 08:57:33,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:57:33,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-12-23 08:57:33,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:33,861 INFO L225 Difference]: With dead ends: 8424 [2020-12-23 08:57:33,861 INFO L226 Difference]: Without dead ends: 5524 [2020-12-23 08:57:33,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:33,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5524 states. [2020-12-23 08:57:34,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5524 to 4593. [2020-12-23 08:57:34,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4593 states. [2020-12-23 08:57:34,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4593 states to 4593 states and 8276 transitions. [2020-12-23 08:57:34,167 INFO L78 Accepts]: Start accepts. Automaton has 4593 states and 8276 transitions. Word has length 82 [2020-12-23 08:57:34,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:34,167 INFO L481 AbstractCegarLoop]: Abstraction has 4593 states and 8276 transitions. [2020-12-23 08:57:34,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:57:34,167 INFO L276 IsEmpty]: Start isEmpty. Operand 4593 states and 8276 transitions. [2020-12-23 08:57:34,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 08:57:34,179 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:34,179 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] [2020-12-23 08:57:34,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:57:34,180 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:34,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:34,181 INFO L82 PathProgramCache]: Analyzing trace with hash 369108580, now seen corresponding path program 1 times [2020-12-23 08:57:34,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:34,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301967624] [2020-12-23 08:57:34,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:34,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:34,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301967624] [2020-12-23 08:57:34,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:34,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:57:34,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400577802] [2020-12-23 08:57:34,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:57:34,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:34,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:57:34,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:34,275 INFO L87 Difference]: Start difference. First operand 4593 states and 8276 transitions. Second operand 3 states. [2020-12-23 08:57:34,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:34,753 INFO L93 Difference]: Finished difference Result 12826 states and 23127 transitions. [2020-12-23 08:57:34,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:57:34,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-12-23 08:57:34,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:34,777 INFO L225 Difference]: With dead ends: 12826 [2020-12-23 08:57:34,777 INFO L226 Difference]: Without dead ends: 8398 [2020-12-23 08:57:34,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:34,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8398 states. [2020-12-23 08:57:35,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8398 to 7467. [2020-12-23 08:57:35,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7467 states. [2020-12-23 08:57:35,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7467 states to 7467 states and 13549 transitions. [2020-12-23 08:57:35,183 INFO L78 Accepts]: Start accepts. Automaton has 7467 states and 13549 transitions. Word has length 83 [2020-12-23 08:57:35,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:35,183 INFO L481 AbstractCegarLoop]: Abstraction has 7467 states and 13549 transitions. [2020-12-23 08:57:35,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:57:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 7467 states and 13549 transitions. [2020-12-23 08:57:35,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 08:57:35,195 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:35,195 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] [2020-12-23 08:57:35,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:57:35,196 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:35,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:35,197 INFO L82 PathProgramCache]: Analyzing trace with hash 158418376, now seen corresponding path program 1 times [2020-12-23 08:57:35,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:35,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058505359] [2020-12-23 08:57:35,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:57:35,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058505359] [2020-12-23 08:57:35,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:35,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:57:35,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126779862] [2020-12-23 08:57:35,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:57:35,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:35,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:57:35,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:57:35,376 INFO L87 Difference]: Start difference. First operand 7467 states and 13549 transitions. Second operand 5 states. [2020-12-23 08:57:36,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:36,548 INFO L93 Difference]: Finished difference Result 21534 states and 39100 transitions. [2020-12-23 08:57:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:57:36,549 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2020-12-23 08:57:36,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:36,606 INFO L225 Difference]: With dead ends: 21534 [2020-12-23 08:57:36,606 INFO L226 Difference]: Without dead ends: 14357 [2020-12-23 08:57:36,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:57:36,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14357 states. [2020-12-23 08:57:37,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14357 to 7467. [2020-12-23 08:57:37,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7467 states. [2020-12-23 08:57:37,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7467 states to 7467 states and 13499 transitions. [2020-12-23 08:57:37,334 INFO L78 Accepts]: Start accepts. Automaton has 7467 states and 13499 transitions. Word has length 84 [2020-12-23 08:57:37,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:37,334 INFO L481 AbstractCegarLoop]: Abstraction has 7467 states and 13499 transitions. [2020-12-23 08:57:37,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:57:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 7467 states and 13499 transitions. [2020-12-23 08:57:37,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 08:57:37,347 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:37,347 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] [2020-12-23 08:57:37,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:57:37,348 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:37,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:37,348 INFO L82 PathProgramCache]: Analyzing trace with hash 2057338103, now seen corresponding path program 1 times [2020-12-23 08:57:37,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:37,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478454434] [2020-12-23 08:57:37,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:37,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:57:37,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478454434] [2020-12-23 08:57:37,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:37,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:57:37,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596242017] [2020-12-23 08:57:37,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:57:37,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:37,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:57:37,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:37,438 INFO L87 Difference]: Start difference. First operand 7467 states and 13499 transitions. Second operand 3 states. [2020-12-23 08:57:38,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:38,275 INFO L93 Difference]: Finished difference Result 21774 states and 39410 transitions. [2020-12-23 08:57:38,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:57:38,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-23 08:57:38,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:38,319 INFO L225 Difference]: With dead ends: 21774 [2020-12-23 08:57:38,319 INFO L226 Difference]: Without dead ends: 14480 [2020-12-23 08:57:38,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:57:38,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2020-12-23 08:57:38,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 13549. [2020-12-23 08:57:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13549 states. [2020-12-23 08:57:39,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13549 states to 13549 states and 24604 transitions. [2020-12-23 08:57:39,027 INFO L78 Accepts]: Start accepts. Automaton has 13549 states and 24604 transitions. Word has length 84 [2020-12-23 08:57:39,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:39,028 INFO L481 AbstractCegarLoop]: Abstraction has 13549 states and 24604 transitions. [2020-12-23 08:57:39,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:57:39,028 INFO L276 IsEmpty]: Start isEmpty. Operand 13549 states and 24604 transitions. [2020-12-23 08:57:39,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 08:57:39,042 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:39,042 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] [2020-12-23 08:57:39,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:57:39,042 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:39,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:39,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1129782339, now seen corresponding path program 1 times [2020-12-23 08:57:39,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:39,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258460175] [2020-12-23 08:57:39,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:39,386 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:57:39,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258460175] [2020-12-23 08:57:39,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:39,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:57:39,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066825849] [2020-12-23 08:57:39,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:57:39,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:39,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:57:39,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:57:39,389 INFO L87 Difference]: Start difference. First operand 13549 states and 24604 transitions. Second operand 9 states. [2020-12-23 08:57:43,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:43,965 INFO L93 Difference]: Finished difference Result 31292 states and 56145 transitions. [2020-12-23 08:57:43,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 08:57:43,967 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2020-12-23 08:57:43,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:44,076 INFO L225 Difference]: With dead ends: 31292 [2020-12-23 08:57:44,076 INFO L226 Difference]: Without dead ends: 30429 [2020-12-23 08:57:44,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2020-12-23 08:57:44,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30429 states. [2020-12-23 08:57:45,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30429 to 26723. [2020-12-23 08:57:45,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26723 states. [2020-12-23 08:57:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26723 states to 26723 states and 48584 transitions. [2020-12-23 08:57:45,882 INFO L78 Accepts]: Start accepts. Automaton has 26723 states and 48584 transitions. Word has length 85 [2020-12-23 08:57:45,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:45,882 INFO L481 AbstractCegarLoop]: Abstraction has 26723 states and 48584 transitions. [2020-12-23 08:57:45,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:57:45,882 INFO L276 IsEmpty]: Start isEmpty. Operand 26723 states and 48584 transitions. [2020-12-23 08:57:45,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 08:57:45,910 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:45,911 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] [2020-12-23 08:57:45,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:57:45,911 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:45,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:45,912 INFO L82 PathProgramCache]: Analyzing trace with hash -2130158489, now seen corresponding path program 1 times [2020-12-23 08:57:45,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:45,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999805545] [2020-12-23 08:57:45,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:46,038 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:57:46,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999805545] [2020-12-23 08:57:46,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:46,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:57:46,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594972050] [2020-12-23 08:57:46,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:57:46,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:46,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:57:46,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:57:46,047 INFO L87 Difference]: Start difference. First operand 26723 states and 48584 transitions. Second operand 7 states. [2020-12-23 08:57:47,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:47,311 INFO L93 Difference]: Finished difference Result 29724 states and 53618 transitions. [2020-12-23 08:57:47,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 08:57:47,312 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2020-12-23 08:57:47,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:47,382 INFO L225 Difference]: With dead ends: 29724 [2020-12-23 08:57:47,382 INFO L226 Difference]: Without dead ends: 28083 [2020-12-23 08:57:47,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-12-23 08:57:47,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28083 states. [2020-12-23 08:57:48,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28083 to 26723. [2020-12-23 08:57:48,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26723 states. [2020-12-23 08:57:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26723 states to 26723 states and 48576 transitions. [2020-12-23 08:57:48,469 INFO L78 Accepts]: Start accepts. Automaton has 26723 states and 48576 transitions. Word has length 86 [2020-12-23 08:57:48,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:48,469 INFO L481 AbstractCegarLoop]: Abstraction has 26723 states and 48576 transitions. [2020-12-23 08:57:48,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:57:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 26723 states and 48576 transitions. [2020-12-23 08:57:48,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 08:57:48,497 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:48,497 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] [2020-12-23 08:57:48,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:57:48,498 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:48,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:48,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1655335717, now seen corresponding path program 1 times [2020-12-23 08:57:48,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:48,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214380171] [2020-12-23 08:57:48,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:48,592 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:57:48,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214380171] [2020-12-23 08:57:48,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:48,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:57:48,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820826067] [2020-12-23 08:57:48,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:57:48,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:48,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:57:48,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:57:48,596 INFO L87 Difference]: Start difference. First operand 26723 states and 48576 transitions. Second operand 6 states. [2020-12-23 08:57:51,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:51,317 INFO L93 Difference]: Finished difference Result 31908 states and 57316 transitions. [2020-12-23 08:57:51,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 08:57:51,318 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 86 [2020-12-23 08:57:51,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:51,382 INFO L225 Difference]: With dead ends: 31908 [2020-12-23 08:57:51,383 INFO L226 Difference]: Without dead ends: 30404 [2020-12-23 08:57:51,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-12-23 08:57:51,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30404 states. [2020-12-23 08:57:52,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30404 to 26941. [2020-12-23 08:57:52,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26941 states. [2020-12-23 08:57:52,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26941 states to 26941 states and 48956 transitions. [2020-12-23 08:57:52,715 INFO L78 Accepts]: Start accepts. Automaton has 26941 states and 48956 transitions. Word has length 86 [2020-12-23 08:57:52,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:52,715 INFO L481 AbstractCegarLoop]: Abstraction has 26941 states and 48956 transitions. [2020-12-23 08:57:52,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:57:52,715 INFO L276 IsEmpty]: Start isEmpty. Operand 26941 states and 48956 transitions. [2020-12-23 08:57:52,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 08:57:52,734 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:52,735 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] [2020-12-23 08:57:52,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:57:52,735 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:52,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:52,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1565250660, now seen corresponding path program 1 times [2020-12-23 08:57:52,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:52,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415649486] [2020-12-23 08:57:52,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:52,914 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:57:52,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415649486] [2020-12-23 08:57:52,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:52,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:57:52,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655382828] [2020-12-23 08:57:52,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 08:57:52,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:52,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 08:57:52,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:57:52,917 INFO L87 Difference]: Start difference. First operand 26941 states and 48956 transitions. Second operand 8 states. [2020-12-23 08:57:54,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:54,441 INFO L93 Difference]: Finished difference Result 29765 states and 53608 transitions. [2020-12-23 08:57:54,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 08:57:54,441 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 86 [2020-12-23 08:57:54,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:54,502 INFO L225 Difference]: With dead ends: 29765 [2020-12-23 08:57:54,502 INFO L226 Difference]: Without dead ends: 27973 [2020-12-23 08:57:54,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2020-12-23 08:57:54,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27973 states. [2020-12-23 08:57:55,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27973 to 26869. [2020-12-23 08:57:55,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26869 states. [2020-12-23 08:57:55,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26869 states to 26869 states and 48800 transitions. [2020-12-23 08:57:55,934 INFO L78 Accepts]: Start accepts. Automaton has 26869 states and 48800 transitions. Word has length 86 [2020-12-23 08:57:55,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:55,934 INFO L481 AbstractCegarLoop]: Abstraction has 26869 states and 48800 transitions. [2020-12-23 08:57:55,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 08:57:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 26869 states and 48800 transitions. [2020-12-23 08:57:55,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 08:57:55,951 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:55,951 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] [2020-12-23 08:57:55,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:57:55,952 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:55,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:55,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1003488196, now seen corresponding path program 1 times [2020-12-23 08:57:55,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:55,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745721213] [2020-12-23 08:57:55,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:57:56,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745721213] [2020-12-23 08:57:56,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:56,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:57:56,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083605402] [2020-12-23 08:57:56,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:57:56,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:56,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:57:56,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:57:56,155 INFO L87 Difference]: Start difference. First operand 26869 states and 48800 transitions. Second operand 9 states. [2020-12-23 08:58:01,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:58:01,861 INFO L93 Difference]: Finished difference Result 63297 states and 113301 transitions. [2020-12-23 08:58:01,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 08:58:01,862 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2020-12-23 08:58:01,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:58:01,951 INFO L225 Difference]: With dead ends: 63297 [2020-12-23 08:58:01,951 INFO L226 Difference]: Without dead ends: 61629 [2020-12-23 08:58:01,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552 [2020-12-23 08:58:02,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61629 states. [2020-12-23 08:58:04,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61629 to 53972. [2020-12-23 08:58:04,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53972 states. [2020-12-23 08:58:04,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53972 states to 53972 states and 97991 transitions. [2020-12-23 08:58:04,497 INFO L78 Accepts]: Start accepts. Automaton has 53972 states and 97991 transitions. Word has length 86 [2020-12-23 08:58:04,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:58:04,497 INFO L481 AbstractCegarLoop]: Abstraction has 53972 states and 97991 transitions. [2020-12-23 08:58:04,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:58:04,497 INFO L276 IsEmpty]: Start isEmpty. Operand 53972 states and 97991 transitions. [2020-12-23 08:58:04,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 08:58:04,520 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:58:04,520 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] [2020-12-23 08:58:04,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:58:04,520 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:58:04,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:58:04,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1144036806, now seen corresponding path program 1 times [2020-12-23 08:58:04,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:58:04,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161746203] [2020-12-23 08:58:04,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:58:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:58:04,684 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:58:04,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161746203] [2020-12-23 08:58:04,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:58:04,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:58:04,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591215691] [2020-12-23 08:58:04,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:58:04,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:58:04,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:58:04,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:58:04,690 INFO L87 Difference]: Start difference. First operand 53972 states and 97991 transitions. Second operand 9 states. [2020-12-23 08:58:10,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:58:10,423 INFO L93 Difference]: Finished difference Result 72706 states and 129182 transitions. [2020-12-23 08:58:10,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:58:10,424 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2020-12-23 08:58:10,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:58:10,544 INFO L225 Difference]: With dead ends: 72706 [2020-12-23 08:58:10,544 INFO L226 Difference]: Without dead ends: 69172 [2020-12-23 08:58:10,566 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2020-12-23 08:58:10,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69172 states. [2020-12-23 08:58:13,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69172 to 55819. [2020-12-23 08:58:13,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55819 states. [2020-12-23 08:58:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55819 states to 55819 states and 101056 transitions. [2020-12-23 08:58:13,462 INFO L78 Accepts]: Start accepts. Automaton has 55819 states and 101056 transitions. Word has length 86 [2020-12-23 08:58:13,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:58:13,462 INFO L481 AbstractCegarLoop]: Abstraction has 55819 states and 101056 transitions. [2020-12-23 08:58:13,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:58:13,463 INFO L276 IsEmpty]: Start isEmpty. Operand 55819 states and 101056 transitions. [2020-12-23 08:58:13,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-23 08:58:13,497 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:58:13,498 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] [2020-12-23 08:58:13,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:58:13,498 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:58:13,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:58:13,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1115380837, now seen corresponding path program 1 times [2020-12-23 08:58:13,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:58:13,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115358264] [2020-12-23 08:58:13,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:58:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:58:13,615 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:58:13,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115358264] [2020-12-23 08:58:13,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:58:13,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:58:13,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928202621] [2020-12-23 08:58:13,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:58:13,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:58:13,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:58:13,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:58:13,618 INFO L87 Difference]: Start difference. First operand 55819 states and 101056 transitions. Second operand 5 states. [2020-12-23 08:58:20,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:58:20,332 INFO L93 Difference]: Finished difference Result 90138 states and 158192 transitions. [2020-12-23 08:58:20,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:58:20,333 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 87 [2020-12-23 08:58:20,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:58:20,473 INFO L225 Difference]: With dead ends: 90138 [2020-12-23 08:58:20,473 INFO L226 Difference]: Without dead ends: 84979 [2020-12-23 08:58:20,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:58:20,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84979 states. [2020-12-23 08:58:24,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84979 to 63369. [2020-12-23 08:58:24,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63369 states. [2020-12-23 08:58:24,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63369 states to 63369 states and 113562 transitions. [2020-12-23 08:58:24,345 INFO L78 Accepts]: Start accepts. Automaton has 63369 states and 113562 transitions. Word has length 87 [2020-12-23 08:58:24,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:58:24,346 INFO L481 AbstractCegarLoop]: Abstraction has 63369 states and 113562 transitions. [2020-12-23 08:58:24,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:58:24,346 INFO L276 IsEmpty]: Start isEmpty. Operand 63369 states and 113562 transitions. [2020-12-23 08:58:24,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 08:58:24,381 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:58:24,381 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] [2020-12-23 08:58:24,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:58:24,381 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:58:24,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:58:24,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1998221540, now seen corresponding path program 1 times [2020-12-23 08:58:24,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:58:24,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997521614] [2020-12-23 08:58:24,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:58:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:58:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:58:24,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997521614] [2020-12-23 08:58:24,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:58:24,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:58:24,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163202424] [2020-12-23 08:58:24,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:58:24,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:58:24,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:58:24,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:58:24,474 INFO L87 Difference]: Start difference. First operand 63369 states and 113562 transitions. Second operand 6 states. [2020-12-23 08:58:33,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:58:33,425 INFO L93 Difference]: Finished difference Result 114011 states and 197606 transitions. [2020-12-23 08:58:33,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 08:58:33,426 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2020-12-23 08:58:33,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:58:33,598 INFO L225 Difference]: With dead ends: 114011 [2020-12-23 08:58:33,598 INFO L226 Difference]: Without dead ends: 101225 [2020-12-23 08:58:33,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-12-23 08:58:33,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101225 states. [2020-12-23 08:58:37,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101225 to 62087. [2020-12-23 08:58:37,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62087 states. [2020-12-23 08:58:37,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62087 states to 62087 states and 111321 transitions. [2020-12-23 08:58:37,532 INFO L78 Accepts]: Start accepts. Automaton has 62087 states and 111321 transitions. Word has length 88 [2020-12-23 08:58:37,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:58:37,533 INFO L481 AbstractCegarLoop]: Abstraction has 62087 states and 111321 transitions. [2020-12-23 08:58:37,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:58:37,533 INFO L276 IsEmpty]: Start isEmpty. Operand 62087 states and 111321 transitions. [2020-12-23 08:58:37,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:58:37,564 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:58:37,564 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:58:37,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:58:37,564 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:58:37,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:58:37,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1273880555, now seen corresponding path program 1 times [2020-12-23 08:58:37,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:58:37,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787047039] [2020-12-23 08:58:37,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:58:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:58:37,653 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:58:37,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787047039] [2020-12-23 08:58:37,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:58:37,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:58:37,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453954456] [2020-12-23 08:58:37,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:58:37,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:58:37,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:58:37,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:58:37,655 INFO L87 Difference]: Start difference. First operand 62087 states and 111321 transitions. Second operand 6 states. [2020-12-23 08:58:42,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:58:42,015 INFO L93 Difference]: Finished difference Result 78988 states and 139359 transitions. [2020-12-23 08:58:42,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 08:58:42,016 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2020-12-23 08:58:42,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:58:42,211 INFO L225 Difference]: With dead ends: 78988 [2020-12-23 08:58:42,212 INFO L226 Difference]: Without dead ends: 66659 [2020-12-23 08:58:42,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-12-23 08:58:42,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66659 states. [2020-12-23 08:58:45,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66659 to 62519. [2020-12-23 08:58:45,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62519 states. [2020-12-23 08:58:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62519 states to 62519 states and 111961 transitions. [2020-12-23 08:58:45,775 INFO L78 Accepts]: Start accepts. Automaton has 62519 states and 111961 transitions. Word has length 89 [2020-12-23 08:58:45,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:58:45,775 INFO L481 AbstractCegarLoop]: Abstraction has 62519 states and 111961 transitions. [2020-12-23 08:58:45,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:58:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 62519 states and 111961 transitions. [2020-12-23 08:58:45,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:58:45,808 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:58:45,808 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:58:45,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:58:45,808 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:58:45,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:58:45,809 INFO L82 PathProgramCache]: Analyzing trace with hash -851178729, now seen corresponding path program 1 times [2020-12-23 08:58:45,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:58:45,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847465259] [2020-12-23 08:58:45,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:58:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:58:45,903 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 08:58:45,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847465259] [2020-12-23 08:58:45,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:58:45,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:58:45,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393060511] [2020-12-23 08:58:45,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:58:45,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:58:45,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:58:45,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:58:45,905 INFO L87 Difference]: Start difference. First operand 62519 states and 111961 transitions. Second operand 6 states. [2020-12-23 08:58:51,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:58:51,561 INFO L93 Difference]: Finished difference Result 82183 states and 144513 transitions. [2020-12-23 08:58:51,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 08:58:51,562 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2020-12-23 08:58:51,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:58:51,674 INFO L225 Difference]: With dead ends: 82183 [2020-12-23 08:58:51,674 INFO L226 Difference]: Without dead ends: 71243 [2020-12-23 08:58:51,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-12-23 08:58:51,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71243 states. [2020-12-23 08:58:55,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71243 to 61429. [2020-12-23 08:58:55,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61429 states. [2020-12-23 08:58:55,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61429 states to 61429 states and 110049 transitions. [2020-12-23 08:58:55,187 INFO L78 Accepts]: Start accepts. Automaton has 61429 states and 110049 transitions. Word has length 89 [2020-12-23 08:58:55,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:58:55,187 INFO L481 AbstractCegarLoop]: Abstraction has 61429 states and 110049 transitions. [2020-12-23 08:58:55,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:58:55,187 INFO L276 IsEmpty]: Start isEmpty. Operand 61429 states and 110049 transitions. [2020-12-23 08:58:55,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 08:58:55,218 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:58:55,218 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:58:55,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:58:55,219 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:58:55,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:58:55,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1821236103, now seen corresponding path program 1 times [2020-12-23 08:58:55,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:58:55,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210421030] [2020-12-23 08:58:55,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:58:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:58:55,375 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:58:55,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210421030] [2020-12-23 08:58:55,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:58:55,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:58:55,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863701919] [2020-12-23 08:58:55,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:58:55,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:58:55,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:58:55,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:58:55,377 INFO L87 Difference]: Start difference. First operand 61429 states and 110049 transitions. Second operand 11 states. [2020-12-23 08:59:08,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:08,373 INFO L93 Difference]: Finished difference Result 105429 states and 181758 transitions. [2020-12-23 08:59:08,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-12-23 08:59:08,373 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 90 [2020-12-23 08:59:08,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:08,522 INFO L225 Difference]: With dead ends: 105429 [2020-12-23 08:59:08,522 INFO L226 Difference]: Without dead ends: 99410 [2020-12-23 08:59:08,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=575, Invalid=1777, Unknown=0, NotChecked=0, Total=2352 [2020-12-23 08:59:08,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99410 states. [2020-12-23 08:59:12,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99410 to 62261. [2020-12-23 08:59:12,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62261 states. [2020-12-23 08:59:12,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62261 states to 62261 states and 111455 transitions. [2020-12-23 08:59:12,735 INFO L78 Accepts]: Start accepts. Automaton has 62261 states and 111455 transitions. Word has length 90 [2020-12-23 08:59:12,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:12,735 INFO L481 AbstractCegarLoop]: Abstraction has 62261 states and 111455 transitions. [2020-12-23 08:59:12,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:59:12,735 INFO L276 IsEmpty]: Start isEmpty. Operand 62261 states and 111455 transitions. [2020-12-23 08:59:12,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 08:59:12,762 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:12,762 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:12,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:59:12,763 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:12,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:12,763 INFO L82 PathProgramCache]: Analyzing trace with hash -257263841, now seen corresponding path program 1 times [2020-12-23 08:59:12,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:12,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723419342] [2020-12-23 08:59:12,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:12,894 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:59:12,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723419342] [2020-12-23 08:59:12,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:12,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:59:12,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369466947] [2020-12-23 08:59:12,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:59:12,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:12,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:59:12,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:59:12,896 INFO L87 Difference]: Start difference. First operand 62261 states and 111455 transitions. Second operand 10 states. [2020-12-23 08:59:20,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:20,549 INFO L93 Difference]: Finished difference Result 88365 states and 154517 transitions. [2020-12-23 08:59:20,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-23 08:59:20,550 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-12-23 08:59:20,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:20,648 INFO L225 Difference]: With dead ends: 88365 [2020-12-23 08:59:20,648 INFO L226 Difference]: Without dead ends: 80495 [2020-12-23 08:59:20,672 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=355, Invalid=977, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 08:59:20,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80495 states. [2020-12-23 08:59:24,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80495 to 62246. [2020-12-23 08:59:24,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62246 states. [2020-12-23 08:59:24,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62246 states to 62246 states and 111462 transitions. [2020-12-23 08:59:24,418 INFO L78 Accepts]: Start accepts. Automaton has 62246 states and 111462 transitions. Word has length 90 [2020-12-23 08:59:24,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:24,419 INFO L481 AbstractCegarLoop]: Abstraction has 62246 states and 111462 transitions. [2020-12-23 08:59:24,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:59:24,419 INFO L276 IsEmpty]: Start isEmpty. Operand 62246 states and 111462 transitions. [2020-12-23 08:59:24,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-23 08:59:24,444 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:24,444 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] [2020-12-23 08:59:24,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 08:59:24,445 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:24,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:24,445 INFO L82 PathProgramCache]: Analyzing trace with hash -269886461, now seen corresponding path program 1 times [2020-12-23 08:59:24,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:24,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037085047] [2020-12-23 08:59:24,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:24,597 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:59:24,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037085047] [2020-12-23 08:59:24,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:24,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:59:24,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81336640] [2020-12-23 08:59:24,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 08:59:24,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:24,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 08:59:24,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-12-23 08:59:24,599 INFO L87 Difference]: Start difference. First operand 62246 states and 111462 transitions. Second operand 12 states. [2020-12-23 08:59:25,754 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 21