/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_spec11_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:38:19,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:38:19,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:38:19,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:38:19,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:38:19,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:38:19,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:38:19,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:38:19,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:38:19,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:38:19,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:38:19,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:38:19,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:38:19,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:38:19,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:38:19,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:38:19,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:38:19,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:38:19,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:38:19,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:38:19,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:38:19,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:38:19,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:38:19,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:38:19,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:38:19,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:38:19,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:38:19,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:38:19,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:38:19,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:38:19,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:38:19,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:38:19,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:38:19,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:38:19,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:38:19,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:38:19,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:38:19,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:38:19,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:38:19,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:38:19,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:38:19,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:38:19,441 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:38:19,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:38:19,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:38:19,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:38:19,443 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:38:19,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:38:19,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:38:19,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:38:19,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:38:19,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:38:19,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:38:19,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:38:19,446 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:38:19,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:38:19,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:38:19,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:38:19,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:38:19,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:38:19,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:38:19,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:38:19,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:38:19,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:38:19,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:38:19,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:38:19,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:38:19,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:38:19,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:38:19,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:38:19,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:38:19,906 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:38:19,907 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:38:19,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product20.cil.c [2021-01-06 18:38:19,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/79ef3d578/23074aa00aee4e0fb0fbb27f11842ce2/FLAG0de5df020 [2021-01-06 18:38:20,826 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:38:20,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product20.cil.c [2021-01-06 18:38:20,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/79ef3d578/23074aa00aee4e0fb0fbb27f11842ce2/FLAG0de5df020 [2021-01-06 18:38:21,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/79ef3d578/23074aa00aee4e0fb0fbb27f11842ce2 [2021-01-06 18:38:21,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:38:21,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:38:21,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:38:21,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:38:21,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:38:21,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:38:21" (1/1) ... [2021-01-06 18:38:21,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c950bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:21, skipping insertion in model container [2021-01-06 18:38:21,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:38:21" (1/1) ... [2021-01-06 18:38:21,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:38:21,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 18:38:21,356 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_spec11_product20.cil.c[1219,1232] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__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~3,] 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~4,] 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[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] 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[~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~25,] 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[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] 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~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_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2021-01-06 18:38:21,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:38:21,893 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 18:38:21,912 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_spec11_product20.cil.c[1219,1232] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__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~3,] 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~4,] 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[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] 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[~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~25,] 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[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] 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~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_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2021-01-06 18:38:22,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:38:22,213 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:38:22,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:22 WrapperNode [2021-01-06 18:38:22,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:38:22,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:38:22,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:38:22,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:38:22,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:22" (1/1) ... [2021-01-06 18:38:22,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:22" (1/1) ... [2021-01-06 18:38:22,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:38:22,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:38:22,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:38:22,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:38:22,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:22" (1/1) ... [2021-01-06 18:38:22,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:22" (1/1) ... [2021-01-06 18:38:22,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:22" (1/1) ... [2021-01-06 18:38:22,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:22" (1/1) ... [2021-01-06 18:38:22,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:22" (1/1) ... [2021-01-06 18:38:22,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:22" (1/1) ... [2021-01-06 18:38:22,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:22" (1/1) ... [2021-01-06 18:38:22,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:38:22,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:38:22,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:38:22,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:38:22,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:22" (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 [2021-01-06 18:38:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:38:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:38:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:38:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:38:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:38:27,216 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:38:27,216 INFO L299 CfgBuilder]: Removed 541 assume(true) statements. [2021-01-06 18:38:27,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:38:27 BoogieIcfgContainer [2021-01-06 18:38:27,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:38:27,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:38:27,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:38:27,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:38:27,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:38:21" (1/3) ... [2021-01-06 18:38:27,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714eb527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:38:27, skipping insertion in model container [2021-01-06 18:38:27,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:22" (2/3) ... [2021-01-06 18:38:27,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714eb527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:38:27, skipping insertion in model container [2021-01-06 18:38:27,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:38:27" (3/3) ... [2021-01-06 18:38:27,231 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product20.cil.c [2021-01-06 18:38:27,238 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:38:27,245 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-06 18:38:27,267 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-06 18:38:27,332 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:38:27,332 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:38:27,332 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:38:27,332 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:38:27,332 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:38:27,333 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:38:27,333 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:38:27,333 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:38:27,373 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states. [2021-01-06 18:38:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-06 18:38:27,393 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:27,395 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] [2021-01-06 18:38:27,395 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:27,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:27,403 INFO L82 PathProgramCache]: Analyzing trace with hash -634054842, now seen corresponding path program 1 times [2021-01-06 18:38:27,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:27,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331281917] [2021-01-06 18:38:27,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:27,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:27,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331281917] [2021-01-06 18:38:27,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:27,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:27,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548049737] [2021-01-06 18:38:27,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:27,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:27,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:27,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:27,954 INFO L87 Difference]: Start difference. First operand 830 states. Second operand 3 states. [2021-01-06 18:38:28,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:28,247 INFO L93 Difference]: Finished difference Result 2455 states and 4280 transitions. [2021-01-06 18:38:28,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:28,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2021-01-06 18:38:28,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:28,297 INFO L225 Difference]: With dead ends: 2455 [2021-01-06 18:38:28,297 INFO L226 Difference]: Without dead ends: 1604 [2021-01-06 18:38:28,310 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 [2021-01-06 18:38:28,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2021-01-06 18:38:28,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 811. [2021-01-06 18:38:28,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2021-01-06 18:38:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1403 transitions. [2021-01-06 18:38:28,465 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1403 transitions. Word has length 55 [2021-01-06 18:38:28,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:28,466 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 1403 transitions. [2021-01-06 18:38:28,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:28,467 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1403 transitions. [2021-01-06 18:38:28,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 18:38:28,481 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:28,481 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] [2021-01-06 18:38:28,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:38:28,482 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:28,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:28,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1491734360, now seen corresponding path program 1 times [2021-01-06 18:38:28,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:28,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920077815] [2021-01-06 18:38:28,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:28,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:28,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920077815] [2021-01-06 18:38:28,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:28,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:38:28,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639318788] [2021-01-06 18:38:28,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:38:28,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:28,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:38:28,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:38:28,676 INFO L87 Difference]: Start difference. First operand 811 states and 1403 transitions. Second operand 5 states. [2021-01-06 18:38:29,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:29,032 INFO L93 Difference]: Finished difference Result 2382 states and 4125 transitions. [2021-01-06 18:38:29,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:38:29,033 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2021-01-06 18:38:29,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:29,049 INFO L225 Difference]: With dead ends: 2382 [2021-01-06 18:38:29,049 INFO L226 Difference]: Without dead ends: 1590 [2021-01-06 18:38:29,052 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 [2021-01-06 18:38:29,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2021-01-06 18:38:29,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 811. [2021-01-06 18:38:29,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2021-01-06 18:38:29,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1402 transitions. [2021-01-06 18:38:29,099 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1402 transitions. Word has length 57 [2021-01-06 18:38:29,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:29,100 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 1402 transitions. [2021-01-06 18:38:29,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:38:29,101 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1402 transitions. [2021-01-06 18:38:29,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 18:38:29,103 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:29,103 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] [2021-01-06 18:38:29,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:38:29,104 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:29,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:29,106 INFO L82 PathProgramCache]: Analyzing trace with hash -521967109, now seen corresponding path program 1 times [2021-01-06 18:38:29,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:29,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277260709] [2021-01-06 18:38:29,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:29,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:29,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277260709] [2021-01-06 18:38:29,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:29,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:29,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435620818] [2021-01-06 18:38:29,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:29,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:29,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:29,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:29,258 INFO L87 Difference]: Start difference. First operand 811 states and 1402 transitions. Second operand 3 states. [2021-01-06 18:38:29,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:29,340 INFO L93 Difference]: Finished difference Result 1604 states and 2778 transitions. [2021-01-06 18:38:29,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:29,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 18:38:29,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:29,347 INFO L225 Difference]: With dead ends: 1604 [2021-01-06 18:38:29,347 INFO L226 Difference]: Without dead ends: 816 [2021-01-06 18:38:29,349 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 [2021-01-06 18:38:29,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2021-01-06 18:38:29,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 811. [2021-01-06 18:38:29,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2021-01-06 18:38:29,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1401 transitions. [2021-01-06 18:38:29,387 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1401 transitions. Word has length 58 [2021-01-06 18:38:29,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:29,387 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 1401 transitions. [2021-01-06 18:38:29,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:29,388 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1401 transitions. [2021-01-06 18:38:29,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 18:38:29,389 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:29,390 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] [2021-01-06 18:38:29,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:38:29,390 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:29,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:29,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1537446901, now seen corresponding path program 1 times [2021-01-06 18:38:29,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:29,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147954129] [2021-01-06 18:38:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:29,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:29,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147954129] [2021-01-06 18:38:29,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:29,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:29,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896693938] [2021-01-06 18:38:29,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:29,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:29,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:29,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:29,486 INFO L87 Difference]: Start difference. First operand 811 states and 1401 transitions. Second operand 3 states. [2021-01-06 18:38:29,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:29,564 INFO L93 Difference]: Finished difference Result 1614 states and 2791 transitions. [2021-01-06 18:38:29,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:29,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2021-01-06 18:38:29,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:29,571 INFO L225 Difference]: With dead ends: 1614 [2021-01-06 18:38:29,571 INFO L226 Difference]: Without dead ends: 811 [2021-01-06 18:38:29,573 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 [2021-01-06 18:38:29,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2021-01-06 18:38:29,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 811. [2021-01-06 18:38:29,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2021-01-06 18:38:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1399 transitions. [2021-01-06 18:38:29,613 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1399 transitions. Word has length 59 [2021-01-06 18:38:29,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:29,614 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 1399 transitions. [2021-01-06 18:38:29,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:29,614 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1399 transitions. [2021-01-06 18:38:29,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 18:38:29,616 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:29,616 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] [2021-01-06 18:38:29,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:38:29,617 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:29,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:29,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1288711424, now seen corresponding path program 1 times [2021-01-06 18:38:29,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:29,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713964444] [2021-01-06 18:38:29,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:29,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:29,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713964444] [2021-01-06 18:38:29,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:29,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:38:29,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596636598] [2021-01-06 18:38:29,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:38:29,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:29,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:38:29,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:38:29,716 INFO L87 Difference]: Start difference. First operand 811 states and 1399 transitions. Second operand 5 states. [2021-01-06 18:38:30,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:30,047 INFO L93 Difference]: Finished difference Result 2372 states and 4105 transitions. [2021-01-06 18:38:30,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:38:30,048 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-01-06 18:38:30,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:30,058 INFO L225 Difference]: With dead ends: 2372 [2021-01-06 18:38:30,058 INFO L226 Difference]: Without dead ends: 1588 [2021-01-06 18:38:30,061 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 [2021-01-06 18:38:30,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2021-01-06 18:38:30,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 811. [2021-01-06 18:38:30,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2021-01-06 18:38:30,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1398 transitions. [2021-01-06 18:38:30,110 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1398 transitions. Word has length 60 [2021-01-06 18:38:30,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:30,111 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 1398 transitions. [2021-01-06 18:38:30,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:38:30,111 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1398 transitions. [2021-01-06 18:38:30,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 18:38:30,113 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:30,113 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] [2021-01-06 18:38:30,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:38:30,113 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:30,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:30,114 INFO L82 PathProgramCache]: Analyzing trace with hash 183901117, now seen corresponding path program 1 times [2021-01-06 18:38:30,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:30,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469293574] [2021-01-06 18:38:30,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:30,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:30,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469293574] [2021-01-06 18:38:30,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:30,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:38:30,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832964339] [2021-01-06 18:38:30,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:38:30,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:30,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:38:30,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:38:30,254 INFO L87 Difference]: Start difference. First operand 811 states and 1398 transitions. Second operand 5 states. [2021-01-06 18:38:30,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:30,691 INFO L93 Difference]: Finished difference Result 2377 states and 4110 transitions. [2021-01-06 18:38:30,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:38:30,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2021-01-06 18:38:30,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:30,702 INFO L225 Difference]: With dead ends: 2377 [2021-01-06 18:38:30,703 INFO L226 Difference]: Without dead ends: 1593 [2021-01-06 18:38:30,709 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 [2021-01-06 18:38:30,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2021-01-06 18:38:30,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 811. [2021-01-06 18:38:30,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2021-01-06 18:38:30,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1397 transitions. [2021-01-06 18:38:30,788 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1397 transitions. Word has length 61 [2021-01-06 18:38:30,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:30,789 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 1397 transitions. [2021-01-06 18:38:30,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:38:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1397 transitions. [2021-01-06 18:38:30,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 18:38:30,792 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:30,792 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] [2021-01-06 18:38:30,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:38:30,792 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:30,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:30,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1796850085, now seen corresponding path program 1 times [2021-01-06 18:38:30,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:30,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135372827] [2021-01-06 18:38:30,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:30,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:30,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135372827] [2021-01-06 18:38:30,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:30,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:30,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177835713] [2021-01-06 18:38:30,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:30,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:30,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:30,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:30,925 INFO L87 Difference]: Start difference. First operand 811 states and 1397 transitions. Second operand 3 states. [2021-01-06 18:38:31,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:31,035 INFO L93 Difference]: Finished difference Result 1341 states and 2288 transitions. [2021-01-06 18:38:31,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:31,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2021-01-06 18:38:31,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:31,042 INFO L225 Difference]: With dead ends: 1341 [2021-01-06 18:38:31,042 INFO L226 Difference]: Without dead ends: 814 [2021-01-06 18:38:31,045 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 [2021-01-06 18:38:31,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2021-01-06 18:38:31,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 813. [2021-01-06 18:38:31,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2021-01-06 18:38:31,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1399 transitions. [2021-01-06 18:38:31,098 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1399 transitions. Word has length 62 [2021-01-06 18:38:31,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:31,101 INFO L481 AbstractCegarLoop]: Abstraction has 813 states and 1399 transitions. [2021-01-06 18:38:31,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:31,101 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1399 transitions. [2021-01-06 18:38:31,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:38:31,103 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:31,104 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] [2021-01-06 18:38:31,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:38:31,104 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:31,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:31,105 INFO L82 PathProgramCache]: Analyzing trace with hash 978675447, now seen corresponding path program 1 times [2021-01-06 18:38:31,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:31,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655764214] [2021-01-06 18:38:31,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:31,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655764214] [2021-01-06 18:38:31,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:31,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:31,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379675446] [2021-01-06 18:38:31,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:31,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:31,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:31,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:31,214 INFO L87 Difference]: Start difference. First operand 813 states and 1399 transitions. Second operand 3 states. [2021-01-06 18:38:31,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:31,329 INFO L93 Difference]: Finished difference Result 2325 states and 4021 transitions. [2021-01-06 18:38:31,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:31,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2021-01-06 18:38:31,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:31,339 INFO L225 Difference]: With dead ends: 2325 [2021-01-06 18:38:31,339 INFO L226 Difference]: Without dead ends: 1543 [2021-01-06 18:38:31,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:31,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2021-01-06 18:38:31,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1016. [2021-01-06 18:38:31,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1016 states. [2021-01-06 18:38:31,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1774 transitions. [2021-01-06 18:38:31,424 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1774 transitions. Word has length 70 [2021-01-06 18:38:31,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:31,426 INFO L481 AbstractCegarLoop]: Abstraction has 1016 states and 1774 transitions. [2021-01-06 18:38:31,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:31,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1774 transitions. [2021-01-06 18:38:31,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:38:31,434 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:31,435 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] [2021-01-06 18:38:31,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:38:31,435 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:31,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:31,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1573715400, now seen corresponding path program 1 times [2021-01-06 18:38:31,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:31,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209117645] [2021-01-06 18:38:31,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:31,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:31,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209117645] [2021-01-06 18:38:31,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:31,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:38:31,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331383848] [2021-01-06 18:38:31,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:38:31,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:31,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:38:31,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:38:31,582 INFO L87 Difference]: Start difference. First operand 1016 states and 1774 transitions. Second operand 5 states. [2021-01-06 18:38:32,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:32,017 INFO L93 Difference]: Finished difference Result 2978 states and 5228 transitions. [2021-01-06 18:38:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:38:32,018 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2021-01-06 18:38:32,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:32,030 INFO L225 Difference]: With dead ends: 2978 [2021-01-06 18:38:32,031 INFO L226 Difference]: Without dead ends: 1993 [2021-01-06 18:38:32,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:38:32,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2021-01-06 18:38:32,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1016. [2021-01-06 18:38:32,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1016 states. [2021-01-06 18:38:32,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1772 transitions. [2021-01-06 18:38:32,133 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1772 transitions. Word has length 71 [2021-01-06 18:38:32,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:32,134 INFO L481 AbstractCegarLoop]: Abstraction has 1016 states and 1772 transitions. [2021-01-06 18:38:32,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:38:32,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1772 transitions. [2021-01-06 18:38:32,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:38:32,136 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:32,137 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] [2021-01-06 18:38:32,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:38:32,137 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:32,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:32,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1311004801, now seen corresponding path program 1 times [2021-01-06 18:38:32,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:32,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592731894] [2021-01-06 18:38:32,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:32,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592731894] [2021-01-06 18:38:32,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:32,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:32,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347898352] [2021-01-06 18:38:32,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:32,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:32,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:32,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:32,225 INFO L87 Difference]: Start difference. First operand 1016 states and 1772 transitions. Second operand 3 states. [2021-01-06 18:38:32,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:32,372 INFO L93 Difference]: Finished difference Result 2976 states and 5220 transitions. [2021-01-06 18:38:32,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:32,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2021-01-06 18:38:32,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:32,387 INFO L225 Difference]: With dead ends: 2976 [2021-01-06 18:38:32,387 INFO L226 Difference]: Without dead ends: 1991 [2021-01-06 18:38:32,390 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 [2021-01-06 18:38:32,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2021-01-06 18:38:32,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1464. [2021-01-06 18:38:32,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1464 states. [2021-01-06 18:38:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 2599 transitions. [2021-01-06 18:38:32,495 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 2599 transitions. Word has length 72 [2021-01-06 18:38:32,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:32,495 INFO L481 AbstractCegarLoop]: Abstraction has 1464 states and 2599 transitions. [2021-01-06 18:38:32,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:32,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2599 transitions. [2021-01-06 18:38:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:38:32,499 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:32,499 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] [2021-01-06 18:38:32,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:38:32,499 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:32,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:32,500 INFO L82 PathProgramCache]: Analyzing trace with hash -658565853, now seen corresponding path program 1 times [2021-01-06 18:38:32,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:32,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104549673] [2021-01-06 18:38:32,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:32,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104549673] [2021-01-06 18:38:32,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111744281] [2021-01-06 18:38:32,585 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 [2021-01-06 18:38:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:33,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:38:33,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:38:33,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:33,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:38:33,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:38:33,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482284188] [2021-01-06 18:38:33,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:38:33,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:33,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:38:33,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:38:33,553 INFO L87 Difference]: Start difference. First operand 1464 states and 2599 transitions. Second operand 5 states. [2021-01-06 18:38:33,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:33,748 INFO L93 Difference]: Finished difference Result 2780 states and 4851 transitions. [2021-01-06 18:38:33,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:38:33,749 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2021-01-06 18:38:33,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:33,763 INFO L225 Difference]: With dead ends: 2780 [2021-01-06 18:38:33,763 INFO L226 Difference]: Without dead ends: 2253 [2021-01-06 18:38:33,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:38:33,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2021-01-06 18:38:33,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 1723. [2021-01-06 18:38:33,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1723 states. [2021-01-06 18:38:33,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1723 states and 3071 transitions. [2021-01-06 18:38:33,910 INFO L78 Accepts]: Start accepts. Automaton has 1723 states and 3071 transitions. Word has length 72 [2021-01-06 18:38:33,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:33,911 INFO L481 AbstractCegarLoop]: Abstraction has 1723 states and 3071 transitions. [2021-01-06 18:38:33,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:38:33,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 3071 transitions. [2021-01-06 18:38:33,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:38:33,915 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:33,915 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] [2021-01-06 18:38:34,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:38:34,129 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:34,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:34,129 INFO L82 PathProgramCache]: Analyzing trace with hash -456497594, now seen corresponding path program 1 times [2021-01-06 18:38:34,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:34,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245394982] [2021-01-06 18:38:34,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:34,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245394982] [2021-01-06 18:38:34,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:34,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:34,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500761841] [2021-01-06 18:38:34,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:34,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:34,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:34,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:34,263 INFO L87 Difference]: Start difference. First operand 1723 states and 3071 transitions. Second operand 3 states. [2021-01-06 18:38:34,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:34,463 INFO L93 Difference]: Finished difference Result 4760 states and 8505 transitions. [2021-01-06 18:38:34,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:34,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2021-01-06 18:38:34,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:34,483 INFO L225 Difference]: With dead ends: 4760 [2021-01-06 18:38:34,483 INFO L226 Difference]: Without dead ends: 3138 [2021-01-06 18:38:34,487 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 [2021-01-06 18:38:34,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3138 states. [2021-01-06 18:38:34,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3138 to 2611. [2021-01-06 18:38:34,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2611 states. [2021-01-06 18:38:34,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 4704 transitions. [2021-01-06 18:38:34,673 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 4704 transitions. Word has length 76 [2021-01-06 18:38:34,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:34,674 INFO L481 AbstractCegarLoop]: Abstraction has 2611 states and 4704 transitions. [2021-01-06 18:38:34,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:34,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 4704 transitions. [2021-01-06 18:38:34,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:38:34,679 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:34,680 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] [2021-01-06 18:38:34,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:38:34,680 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:34,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:34,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1860868294, now seen corresponding path program 1 times [2021-01-06 18:38:34,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:34,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859461285] [2021-01-06 18:38:34,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:34,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859461285] [2021-01-06 18:38:34,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:34,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:34,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035647631] [2021-01-06 18:38:34,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:34,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:34,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:34,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:34,759 INFO L87 Difference]: Start difference. First operand 2611 states and 4704 transitions. Second operand 3 states. [2021-01-06 18:38:35,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:35,096 INFO L93 Difference]: Finished difference Result 7160 states and 12923 transitions. [2021-01-06 18:38:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:35,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2021-01-06 18:38:35,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:35,123 INFO L225 Difference]: With dead ends: 7160 [2021-01-06 18:38:35,124 INFO L226 Difference]: Without dead ends: 4684 [2021-01-06 18:38:35,130 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 [2021-01-06 18:38:35,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4684 states. [2021-01-06 18:38:35,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4684 to 4157. [2021-01-06 18:38:35,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4157 states. [2021-01-06 18:38:35,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4157 states to 4157 states and 7545 transitions. [2021-01-06 18:38:35,403 INFO L78 Accepts]: Start accepts. Automaton has 4157 states and 7545 transitions. Word has length 77 [2021-01-06 18:38:35,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:35,404 INFO L481 AbstractCegarLoop]: Abstraction has 4157 states and 7545 transitions. [2021-01-06 18:38:35,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:35,404 INFO L276 IsEmpty]: Start isEmpty. Operand 4157 states and 7545 transitions. [2021-01-06 18:38:35,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:38:35,413 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:35,413 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] [2021-01-06 18:38:35,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:38:35,413 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:35,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:35,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1442006155, now seen corresponding path program 1 times [2021-01-06 18:38:35,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:35,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161706802] [2021-01-06 18:38:35,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:35,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:35,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161706802] [2021-01-06 18:38:35,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:35,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:35,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179697626] [2021-01-06 18:38:35,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:35,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:35,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:35,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:35,528 INFO L87 Difference]: Start difference. First operand 4157 states and 7545 transitions. Second operand 3 states. [2021-01-06 18:38:35,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:35,997 INFO L93 Difference]: Finished difference Result 11514 states and 20929 transitions. [2021-01-06 18:38:35,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:35,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2021-01-06 18:38:35,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:36,025 INFO L225 Difference]: With dead ends: 11514 [2021-01-06 18:38:36,025 INFO L226 Difference]: Without dead ends: 7526 [2021-01-06 18:38:36,036 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 [2021-01-06 18:38:36,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7526 states. [2021-01-06 18:38:36,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7526 to 6999. [2021-01-06 18:38:36,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6999 states. [2021-01-06 18:38:36,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6999 states to 6999 states and 12762 transitions. [2021-01-06 18:38:36,508 INFO L78 Accepts]: Start accepts. Automaton has 6999 states and 12762 transitions. Word has length 78 [2021-01-06 18:38:36,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:36,508 INFO L481 AbstractCegarLoop]: Abstraction has 6999 states and 12762 transitions. [2021-01-06 18:38:36,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 6999 states and 12762 transitions. [2021-01-06 18:38:36,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:38:36,518 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:36,518 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] [2021-01-06 18:38:36,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:38:36,519 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:36,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:36,519 INFO L82 PathProgramCache]: Analyzing trace with hash -503987435, now seen corresponding path program 1 times [2021-01-06 18:38:36,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:36,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215132949] [2021-01-06 18:38:36,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:36,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:36,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215132949] [2021-01-06 18:38:36,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:36,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:36,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378537329] [2021-01-06 18:38:36,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:36,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:36,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:36,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:36,591 INFO L87 Difference]: Start difference. First operand 6999 states and 12762 transitions. Second operand 3 states. [2021-01-06 18:38:37,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:37,240 INFO L93 Difference]: Finished difference Result 20498 states and 37422 transitions. [2021-01-06 18:38:37,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:37,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2021-01-06 18:38:37,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:37,283 INFO L225 Difference]: With dead ends: 20498 [2021-01-06 18:38:37,283 INFO L226 Difference]: Without dead ends: 13672 [2021-01-06 18:38:37,296 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 [2021-01-06 18:38:37,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13672 states. [2021-01-06 18:38:38,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13672 to 13145. [2021-01-06 18:38:38,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13145 states. [2021-01-06 18:38:38,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13145 states to 13145 states and 24027 transitions. [2021-01-06 18:38:38,133 INFO L78 Accepts]: Start accepts. Automaton has 13145 states and 24027 transitions. Word has length 79 [2021-01-06 18:38:38,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:38,133 INFO L481 AbstractCegarLoop]: Abstraction has 13145 states and 24027 transitions. [2021-01-06 18:38:38,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:38,134 INFO L276 IsEmpty]: Start isEmpty. Operand 13145 states and 24027 transitions. [2021-01-06 18:38:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:38:38,147 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:38,147 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] [2021-01-06 18:38:38,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:38:38,148 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:38,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:38,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1427312934, now seen corresponding path program 1 times [2021-01-06 18:38:38,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:38,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514824816] [2021-01-06 18:38:38,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:38,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:38,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514824816] [2021-01-06 18:38:38,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:38,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:38,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635347882] [2021-01-06 18:38:38,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:38,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:38,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:38,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:38,231 INFO L87 Difference]: Start difference. First operand 13145 states and 24027 transitions. Second operand 3 states. [2021-01-06 18:38:39,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:39,744 INFO L93 Difference]: Finished difference Result 38638 states and 70692 transitions. [2021-01-06 18:38:39,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:39,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2021-01-06 18:38:39,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:39,838 INFO L225 Difference]: With dead ends: 38638 [2021-01-06 18:38:39,839 INFO L226 Difference]: Without dead ends: 25674 [2021-01-06 18:38:39,862 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 [2021-01-06 18:38:39,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25674 states. [2021-01-06 18:38:41,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25674 to 25147. [2021-01-06 18:38:41,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25147 states. [2021-01-06 18:38:41,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25147 states to 25147 states and 46012 transitions. [2021-01-06 18:38:41,630 INFO L78 Accepts]: Start accepts. Automaton has 25147 states and 46012 transitions. Word has length 80 [2021-01-06 18:38:41,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:41,630 INFO L481 AbstractCegarLoop]: Abstraction has 25147 states and 46012 transitions. [2021-01-06 18:38:41,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:41,630 INFO L276 IsEmpty]: Start isEmpty. Operand 25147 states and 46012 transitions. [2021-01-06 18:38:41,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 18:38:41,648 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:41,648 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] [2021-01-06 18:38:41,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:38:41,649 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:41,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:41,649 INFO L82 PathProgramCache]: Analyzing trace with hash -40964589, now seen corresponding path program 1 times [2021-01-06 18:38:41,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:41,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986600093] [2021-01-06 18:38:41,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:41,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:41,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986600093] [2021-01-06 18:38:41,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:41,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:41,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069970150] [2021-01-06 18:38:41,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:41,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:41,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:41,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:41,730 INFO L87 Difference]: Start difference. First operand 25147 states and 46012 transitions. Second operand 3 states. [2021-01-06 18:38:44,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:44,118 INFO L93 Difference]: Finished difference Result 69283 states and 126383 transitions. [2021-01-06 18:38:44,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:44,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2021-01-06 18:38:44,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:44,255 INFO L225 Difference]: With dead ends: 69283 [2021-01-06 18:38:44,255 INFO L226 Difference]: Without dead ends: 44364 [2021-01-06 18:38:44,305 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 [2021-01-06 18:38:44,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44364 states. [2021-01-06 18:38:46,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44364 to 43837. [2021-01-06 18:38:46,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43837 states. [2021-01-06 18:38:47,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43837 states to 43837 states and 79741 transitions. [2021-01-06 18:38:47,043 INFO L78 Accepts]: Start accepts. Automaton has 43837 states and 79741 transitions. Word has length 81 [2021-01-06 18:38:47,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:47,043 INFO L481 AbstractCegarLoop]: Abstraction has 43837 states and 79741 transitions. [2021-01-06 18:38:47,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:47,043 INFO L276 IsEmpty]: Start isEmpty. Operand 43837 states and 79741 transitions. [2021-01-06 18:38:47,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:38:47,065 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:47,065 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] [2021-01-06 18:38:47,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:38:47,066 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:47,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:47,066 INFO L82 PathProgramCache]: Analyzing trace with hash 537781887, now seen corresponding path program 1 times [2021-01-06 18:38:47,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:47,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240845809] [2021-01-06 18:38:47,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:47,161 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:38:47,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240845809] [2021-01-06 18:38:47,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:47,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:38:47,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755014020] [2021-01-06 18:38:47,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:38:47,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:47,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:38:47,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:38:47,164 INFO L87 Difference]: Start difference. First operand 43837 states and 79741 transitions. Second operand 5 states. [2021-01-06 18:38:50,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:50,275 INFO L93 Difference]: Finished difference Result 129128 states and 234872 transitions. [2021-01-06 18:38:50,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:38:50,276 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-01-06 18:38:50,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:50,544 INFO L225 Difference]: With dead ends: 129128 [2021-01-06 18:38:50,544 INFO L226 Difference]: Without dead ends: 85587 [2021-01-06 18:38:50,629 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 [2021-01-06 18:38:50,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85587 states. [2021-01-06 18:38:53,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85587 to 43837. [2021-01-06 18:38:53,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43837 states. [2021-01-06 18:38:53,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43837 states to 43837 states and 79483 transitions. [2021-01-06 18:38:53,141 INFO L78 Accepts]: Start accepts. Automaton has 43837 states and 79483 transitions. Word has length 82 [2021-01-06 18:38:53,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:53,141 INFO L481 AbstractCegarLoop]: Abstraction has 43837 states and 79483 transitions. [2021-01-06 18:38:53,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:38:53,141 INFO L276 IsEmpty]: Start isEmpty. Operand 43837 states and 79483 transitions. [2021-01-06 18:38:53,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:38:53,159 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:53,159 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:38:53,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:38:53,159 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:53,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:53,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1431788767, now seen corresponding path program 2 times [2021-01-06 18:38:53,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:53,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116911731] [2021-01-06 18:38:53,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:53,230 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:53,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116911731] [2021-01-06 18:38:53,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:53,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:53,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041986899] [2021-01-06 18:38:53,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:53,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:53,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:53,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:53,232 INFO L87 Difference]: Start difference. First operand 43837 states and 79483 transitions. Second operand 3 states. [2021-01-06 18:38:55,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:55,516 INFO L93 Difference]: Finished difference Result 87899 states and 159337 transitions. [2021-01-06 18:38:55,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:55,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2021-01-06 18:38:55,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:55,587 INFO L225 Difference]: With dead ends: 87899 [2021-01-06 18:38:55,587 INFO L226 Difference]: Without dead ends: 44364 [2021-01-06 18:38:55,636 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 [2021-01-06 18:38:55,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44364 states. [2021-01-06 18:38:57,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44364 to 43837. [2021-01-06 18:38:57,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43837 states. [2021-01-06 18:38:57,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43837 states to 43837 states and 79355 transitions. [2021-01-06 18:38:57,843 INFO L78 Accepts]: Start accepts. Automaton has 43837 states and 79355 transitions. Word has length 82 [2021-01-06 18:38:57,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:57,844 INFO L481 AbstractCegarLoop]: Abstraction has 43837 states and 79355 transitions. [2021-01-06 18:38:57,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:57,844 INFO L276 IsEmpty]: Start isEmpty. Operand 43837 states and 79355 transitions. [2021-01-06 18:38:57,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:38:57,858 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:57,858 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] [2021-01-06 18:38:57,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:38:57,859 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:57,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:57,859 INFO L82 PathProgramCache]: Analyzing trace with hash 111663252, now seen corresponding path program 1 times [2021-01-06 18:38:57,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:57,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766088968] [2021-01-06 18:38:57,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:57,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:57,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766088968] [2021-01-06 18:38:57,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:57,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:57,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598217563] [2021-01-06 18:38:57,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:57,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:57,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:57,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:57,945 INFO L87 Difference]: Start difference. First operand 43837 states and 79355 transitions. Second operand 3 states. [2021-01-06 18:39:01,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:39:01,024 INFO L93 Difference]: Finished difference Result 123013 states and 222515 transitions. [2021-01-06 18:39:01,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:39:01,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2021-01-06 18:39:01,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:39:01,173 INFO L225 Difference]: With dead ends: 123013 [2021-01-06 18:39:01,173 INFO L226 Difference]: Without dead ends: 79438 [2021-01-06 18:39:01,215 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 [2021-01-06 18:39:01,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79438 states. [2021-01-06 18:39:04,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79438 to 78911. [2021-01-06 18:39:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78911 states. [2021-01-06 18:39:04,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78911 states to 78911 states and 142460 transitions. [2021-01-06 18:39:04,685 INFO L78 Accepts]: Start accepts. Automaton has 78911 states and 142460 transitions. Word has length 82 [2021-01-06 18:39:04,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:39:04,685 INFO L481 AbstractCegarLoop]: Abstraction has 78911 states and 142460 transitions. [2021-01-06 18:39:04,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:39:04,685 INFO L276 IsEmpty]: Start isEmpty. Operand 78911 states and 142460 transitions. [2021-01-06 18:39:04,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:39:04,702 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:39:04,703 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] [2021-01-06 18:39:04,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:39:04,703 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:39:04,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:39:04,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1834920603, now seen corresponding path program 1 times [2021-01-06 18:39:04,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:39:04,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967190705] [2021-01-06 18:39:04,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:39:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:39:04,891 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:39:04,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967190705] [2021-01-06 18:39:04,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:39:04,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:39:04,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106831324] [2021-01-06 18:39:04,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:39:04,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:39:04,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:39:04,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:39:04,894 INFO L87 Difference]: Start difference. First operand 78911 states and 142460 transitions. Second operand 9 states. [2021-01-06 18:39:10,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:39:10,001 INFO L93 Difference]: Finished difference Result 81993 states and 147608 transitions. [2021-01-06 18:39:10,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 18:39:10,001 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2021-01-06 18:39:10,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:39:10,138 INFO L225 Difference]: With dead ends: 81993 [2021-01-06 18:39:10,138 INFO L226 Difference]: Without dead ends: 81565 [2021-01-06 18:39:10,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-01-06 18:39:10,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81565 states. [2021-01-06 18:39:13,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81565 to 79267. [2021-01-06 18:39:13,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79267 states. [2021-01-06 18:39:13,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79267 states to 79267 states and 143061 transitions. [2021-01-06 18:39:13,726 INFO L78 Accepts]: Start accepts. Automaton has 79267 states and 143061 transitions. Word has length 83 [2021-01-06 18:39:13,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:39:13,726 INFO L481 AbstractCegarLoop]: Abstraction has 79267 states and 143061 transitions. [2021-01-06 18:39:13,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:39:13,726 INFO L276 IsEmpty]: Start isEmpty. Operand 79267 states and 143061 transitions. [2021-01-06 18:39:13,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 18:39:13,940 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:39:13,941 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] [2021-01-06 18:39:13,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:39:13,941 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:39:13,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:39:13,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1461009629, now seen corresponding path program 1 times [2021-01-06 18:39:13,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:39:13,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570045038] [2021-01-06 18:39:13,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:39:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:39:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:39:14,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570045038] [2021-01-06 18:39:14,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:39:14,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:39:14,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173577660] [2021-01-06 18:39:14,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:39:14,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:39:14,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:39:14,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:39:14,184 INFO L87 Difference]: Start difference. First operand 79267 states and 143061 transitions. Second operand 11 states. [2021-01-06 18:39:20,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:39:20,608 INFO L93 Difference]: Finished difference Result 83380 states and 149984 transitions. [2021-01-06 18:39:20,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-01-06 18:39:20,611 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 84 [2021-01-06 18:39:20,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:39:20,737 INFO L225 Difference]: With dead ends: 83380 [2021-01-06 18:39:20,738 INFO L226 Difference]: Without dead ends: 82705 [2021-01-06 18:39:20,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=466, Invalid=1340, Unknown=0, NotChecked=0, Total=1806 [2021-01-06 18:39:20,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82705 states. [2021-01-06 18:39:23,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82705 to 79474. [2021-01-06 18:39:23,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79474 states. [2021-01-06 18:39:23,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79474 states to 79474 states and 143403 transitions. [2021-01-06 18:39:23,917 INFO L78 Accepts]: Start accepts. Automaton has 79474 states and 143403 transitions. Word has length 84 [2021-01-06 18:39:23,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:39:23,917 INFO L481 AbstractCegarLoop]: Abstraction has 79474 states and 143403 transitions. [2021-01-06 18:39:23,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:39:23,917 INFO L276 IsEmpty]: Start isEmpty. Operand 79474 states and 143403 transitions. [2021-01-06 18:39:23,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 18:39:23,927 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:39:23,927 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] [2021-01-06 18:39:23,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:39:23,927 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:39:23,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:39:23,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1722219447, now seen corresponding path program 1 times [2021-01-06 18:39:23,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:39:23,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467278049] [2021-01-06 18:39:23,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:39:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:39:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:39:24,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467278049] [2021-01-06 18:39:24,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:39:24,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:39:24,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439153079] [2021-01-06 18:39:24,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:39:24,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:39:24,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:39:24,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:39:24,056 INFO L87 Difference]: Start difference. First operand 79474 states and 143403 transitions. Second operand 8 states. [2021-01-06 18:39:27,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:39:27,248 INFO L93 Difference]: Finished difference Result 80844 states and 145706 transitions. [2021-01-06 18:39:27,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 18:39:27,249 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2021-01-06 18:39:27,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:39:27,370 INFO L225 Difference]: With dead ends: 80844 [2021-01-06 18:39:27,370 INFO L226 Difference]: Without dead ends: 79770 [2021-01-06 18:39:27,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2021-01-06 18:39:27,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79770 states. [2021-01-06 18:39:30,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79770 to 79338. [2021-01-06 18:39:30,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79338 states. [2021-01-06 18:39:30,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79338 states to 79338 states and 143164 transitions. [2021-01-06 18:39:30,597 INFO L78 Accepts]: Start accepts. Automaton has 79338 states and 143164 transitions. Word has length 84 [2021-01-06 18:39:30,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:39:30,597 INFO L481 AbstractCegarLoop]: Abstraction has 79338 states and 143164 transitions. [2021-01-06 18:39:30,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:39:30,597 INFO L276 IsEmpty]: Start isEmpty. Operand 79338 states and 143164 transitions. [2021-01-06 18:39:30,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 18:39:30,610 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:39:30,610 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] [2021-01-06 18:39:30,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:39:30,610 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:39:30,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:39:30,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1085914271, now seen corresponding path program 1 times [2021-01-06 18:39:30,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:39:30,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627330462] [2021-01-06 18:39:30,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:39:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:39:30,703 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:39:30,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627330462] [2021-01-06 18:39:30,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:39:30,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:39:30,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413197070] [2021-01-06 18:39:30,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:39:30,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:39:30,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:39:30,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:39:30,705 INFO L87 Difference]: Start difference. First operand 79338 states and 143164 transitions. Second operand 5 states. [2021-01-06 18:39:34,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:39:34,446 INFO L93 Difference]: Finished difference Result 85131 states and 152833 transitions. [2021-01-06 18:39:34,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:39:34,447 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2021-01-06 18:39:34,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:39:34,578 INFO L225 Difference]: With dead ends: 85131 [2021-01-06 18:39:34,578 INFO L226 Difference]: Without dead ends: 84393 [2021-01-06 18:39:34,597 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 [2021-01-06 18:39:34,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84393 states. [2021-01-06 18:39:37,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84393 to 80213. [2021-01-06 18:39:37,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80213 states. [2021-01-06 18:39:37,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80213 states to 80213 states and 144614 transitions. [2021-01-06 18:39:37,851 INFO L78 Accepts]: Start accepts. Automaton has 80213 states and 144614 transitions. Word has length 85 [2021-01-06 18:39:37,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:39:37,852 INFO L481 AbstractCegarLoop]: Abstraction has 80213 states and 144614 transitions. [2021-01-06 18:39:37,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:39:37,853 INFO L276 IsEmpty]: Start isEmpty. Operand 80213 states and 144614 transitions. [2021-01-06 18:39:37,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 18:39:37,865 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:39:37,865 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] [2021-01-06 18:39:37,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:39:37,865 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:39:37,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:39:37,866 INFO L82 PathProgramCache]: Analyzing trace with hash -694610842, now seen corresponding path program 1 times [2021-01-06 18:39:37,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:39:37,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867579751] [2021-01-06 18:39:37,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:39:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:39:37,958 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:39:37,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867579751] [2021-01-06 18:39:37,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551497334] [2021-01-06 18:39:37,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:39:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:39:38,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 18:39:38,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:39:38,808 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:39:38,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:39:38,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-01-06 18:39:38,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747785480] [2021-01-06 18:39:38,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:39:38,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:39:38,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:39:38,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:39:38,810 INFO L87 Difference]: Start difference. First operand 80213 states and 144614 transitions. Second operand 9 states. [2021-01-06 18:39:45,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:39:45,494 INFO L93 Difference]: Finished difference Result 110591 states and 196004 transitions. [2021-01-06 18:39:45,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-01-06 18:39:45,494 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2021-01-06 18:39:45,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:39:45,656 INFO L225 Difference]: With dead ends: 110591 [2021-01-06 18:39:45,656 INFO L226 Difference]: Without dead ends: 108692 [2021-01-06 18:39:45,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=238, Invalid=884, Unknown=0, NotChecked=0, Total=1122 [2021-01-06 18:39:45,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108692 states. [2021-01-06 18:39:49,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108692 to 82652. [2021-01-06 18:39:49,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82652 states. [2021-01-06 18:39:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82652 states to 82652 states and 148923 transitions. [2021-01-06 18:39:49,354 INFO L78 Accepts]: Start accepts. Automaton has 82652 states and 148923 transitions. Word has length 86 [2021-01-06 18:39:49,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:39:49,354 INFO L481 AbstractCegarLoop]: Abstraction has 82652 states and 148923 transitions. [2021-01-06 18:39:49,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:39:49,354 INFO L276 IsEmpty]: Start isEmpty. Operand 82652 states and 148923 transitions. [2021-01-06 18:39:49,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 18:39:49,370 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:39:49,370 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:39:49,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-01-06 18:39:49,586 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:39:49,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:39:49,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1784122172, now seen corresponding path program 1 times [2021-01-06 18:39:49,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:39:49,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869710906] [2021-01-06 18:39:49,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:39:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:39:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:39:49,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869710906] [2021-01-06 18:39:49,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:39:49,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:39:49,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2783041] [2021-01-06 18:39:49,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:39:49,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:39:49,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:39:49,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:39:49,659 INFO L87 Difference]: Start difference. First operand 82652 states and 148923 transitions. Second operand 3 states. [2021-01-06 18:39:55,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:39:55,553 INFO L93 Difference]: Finished difference Result 240819 states and 434080 transitions. [2021-01-06 18:39:55,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:39:55,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2021-01-06 18:39:55,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:39:55,910 INFO L225 Difference]: With dead ends: 240819 [2021-01-06 18:39:55,910 INFO L226 Difference]: Without dead ends: 160293 [2021-01-06 18:39:56,000 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 [2021-01-06 18:39:56,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160293 states. [2021-01-06 18:40:02,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160293 to 158442. [2021-01-06 18:40:02,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158442 states. [2021-01-06 18:40:03,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158442 states to 158442 states and 285318 transitions. [2021-01-06 18:40:03,256 INFO L78 Accepts]: Start accepts. Automaton has 158442 states and 285318 transitions. Word has length 86 [2021-01-06 18:40:03,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:03,256 INFO L481 AbstractCegarLoop]: Abstraction has 158442 states and 285318 transitions. [2021-01-06 18:40:03,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:03,256 INFO L276 IsEmpty]: Start isEmpty. Operand 158442 states and 285318 transitions. [2021-01-06 18:40:03,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-01-06 18:40:03,277 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:03,278 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, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:40:03,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:40:03,278 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:03,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:03,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1738623423, now seen corresponding path program 1 times [2021-01-06 18:40:03,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:03,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959376119] [2021-01-06 18:40:03,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:03,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959376119] [2021-01-06 18:40:03,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:03,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:03,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351401253] [2021-01-06 18:40:03,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:03,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:03,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:03,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:03,339 INFO L87 Difference]: Start difference. First operand 158442 states and 285318 transitions. Second operand 3 states. [2021-01-06 18:40:13,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:13,163 INFO L93 Difference]: Finished difference Result 284236 states and 510468 transitions. [2021-01-06 18:40:13,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:13,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2021-01-06 18:40:13,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:13,807 INFO L225 Difference]: With dead ends: 284236 [2021-01-06 18:40:13,808 INFO L226 Difference]: Without dead ends: 282385 [2021-01-06 18:40:13,897 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 [2021-01-06 18:40:14,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282385 states. [2021-01-06 18:40:27,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282385 to 280534. [2021-01-06 18:40:27,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280534 states. [2021-01-06 18:40:28,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280534 states to 280534 states and 503318 transitions. [2021-01-06 18:40:28,434 INFO L78 Accepts]: Start accepts. Automaton has 280534 states and 503318 transitions. Word has length 87 [2021-01-06 18:40:28,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:28,434 INFO L481 AbstractCegarLoop]: Abstraction has 280534 states and 503318 transitions. [2021-01-06 18:40:28,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:28,434 INFO L276 IsEmpty]: Start isEmpty. Operand 280534 states and 503318 transitions. [2021-01-06 18:40:28,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 18:40:28,450 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:28,450 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:40:28,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:40:28,451 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:28,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:28,451 INFO L82 PathProgramCache]: Analyzing trace with hash -849996374, now seen corresponding path program 1 times [2021-01-06 18:40:28,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:28,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775753238] [2021-01-06 18:40:28,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:28,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775753238] [2021-01-06 18:40:28,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:28,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:40:28,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883469341] [2021-01-06 18:40:28,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:40:28,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:28,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:40:28,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:40:28,553 INFO L87 Difference]: Start difference. First operand 280534 states and 503318 transitions. Second operand 5 states. [2021-01-06 18:40:43,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:43,263 INFO L93 Difference]: Finished difference Result 423957 states and 759742 transitions. [2021-01-06 18:40:43,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:40:43,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2021-01-06 18:40:43,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:44,526 INFO L225 Difference]: With dead ends: 423957 [2021-01-06 18:40:44,526 INFO L226 Difference]: Without dead ends: 422413 [2021-01-06 18:40:44,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:40:45,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422413 states. [2021-01-06 18:41:02,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422413 to 418851. [2021-01-06 18:41:02,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418851 states. [2021-01-06 18:41:04,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418851 states to 418851 states and 751068 transitions. [2021-01-06 18:41:04,362 INFO L78 Accepts]: Start accepts. Automaton has 418851 states and 751068 transitions. Word has length 88 [2021-01-06 18:41:04,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:41:04,362 INFO L481 AbstractCegarLoop]: Abstraction has 418851 states and 751068 transitions. [2021-01-06 18:41:04,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:41:04,362 INFO L276 IsEmpty]: Start isEmpty. Operand 418851 states and 751068 transitions. [2021-01-06 18:41:04,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-01-06 18:41:04,413 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:41:04,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:41:04,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 18:41:04,413 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:41:04,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:41:04,414 INFO L82 PathProgramCache]: Analyzing trace with hash -869665501, now seen corresponding path program 1 times [2021-01-06 18:41:04,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:41:04,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343517749] [2021-01-06 18:41:04,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:41:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:41:04,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:41:04,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343517749] [2021-01-06 18:41:04,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:41:04,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:41:04,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679027612] [2021-01-06 18:41:04,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:41:04,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:41:04,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:41:04,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:41:04,612 INFO L87 Difference]: Start difference. First operand 418851 states and 751068 transitions. Second operand 10 states. [2021-01-06 18:41:23,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:41:23,678 INFO L93 Difference]: Finished difference Result 431290 states and 771827 transitions. [2021-01-06 18:41:23,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 18:41:23,679 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2021-01-06 18:41:23,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:41:25,385 INFO L225 Difference]: With dead ends: 431290 [2021-01-06 18:41:25,385 INFO L226 Difference]: Without dead ends: 428034 [2021-01-06 18:41:25,615 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=353, Invalid=907, Unknown=0, NotChecked=0, Total=1260 [2021-01-06 18:41:26,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428034 states. [2021-01-06 18:41:46,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428034 to 420695. [2021-01-06 18:41:46,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420695 states. [2021-01-06 18:41:47,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420695 states to 420695 states and 754102 transitions. [2021-01-06 18:41:47,912 INFO L78 Accepts]: Start accepts. Automaton has 420695 states and 754102 transitions. Word has length 89 [2021-01-06 18:41:47,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:41:47,912 INFO L481 AbstractCegarLoop]: Abstraction has 420695 states and 754102 transitions. [2021-01-06 18:41:47,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:41:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 420695 states and 754102 transitions. [2021-01-06 18:41:47,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-01-06 18:41:47,964 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:41:47,964 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:41:47,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-01-06 18:41:47,964 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:41:47,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:41:47,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1718820446, now seen corresponding path program 1 times [2021-01-06 18:41:47,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:41:47,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636307080] [2021-01-06 18:41:47,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:41:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:41:48,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:41:48,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636307080] [2021-01-06 18:41:48,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:41:48,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:41:48,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858451084] [2021-01-06 18:41:48,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:41:48,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:41:48,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:41:48,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:41:48,035 INFO L87 Difference]: Start difference. First operand 420695 states and 754102 transitions. Second operand 4 states.