/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_spec9_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:08:20,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:08:20,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:08:20,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:08:20,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:08:20,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:08:20,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:08:20,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:08:20,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:08:20,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:08:20,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:08:20,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:08:20,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:08:20,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:08:20,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:08:20,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:08:20,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:08:20,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:08:20,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:08:20,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:08:20,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:08:20,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:08:20,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:08:20,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:08:20,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:08:20,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:08:20,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:08:20,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:08:20,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:08:20,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:08:20,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:08:20,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:08:20,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:08:20,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:08:20,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:08:20,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:08:20,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:08:20,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:08:20,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:08:20,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:08:20,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:08:20,510 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 19:08:20,557 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:08:20,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:08:20,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:08:20,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:08:20,560 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:08:20,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:08:20,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:08:20,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:08:20,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:08:20,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:08:20,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:08:20,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:08:20,564 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:08:20,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:08:20,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:08:20,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:08:20,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:08:20,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:08:20,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:08:20,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:08:20,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:08:20,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:08:20,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:08:20,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:08:20,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:08:20,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:08:20,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:08:20,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:08:20,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:08:20,941 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:08:20,941 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:08:20,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product35.cil.c [2021-01-06 19:08:21,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e172b738a/6a710043e7d04eac9e3eba3beb8ec13b/FLAGbb42a59c6 [2021-01-06 19:08:21,899 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:08:21,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product35.cil.c [2021-01-06 19:08:21,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e172b738a/6a710043e7d04eac9e3eba3beb8ec13b/FLAGbb42a59c6 [2021-01-06 19:08:22,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e172b738a/6a710043e7d04eac9e3eba3beb8ec13b [2021-01-06 19:08:22,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:08:22,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:08:22,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:08:22,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:08:22,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:08:22,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:08:22" (1/1) ... [2021-01-06 19:08:22,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ffba29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:08:22, skipping insertion in model container [2021-01-06 19:08:22,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:08:22" (1/1) ... [2021-01-06 19:08:22,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:08:22,175 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__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[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] 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~24,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] [2021-01-06 19:08:22,726 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_spec9_product35.cil.c[46291,46304] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] 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~28,] 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[~__cil_tmp4~5,] 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[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~26,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2021-01-06 19:08:22,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:08:22,855 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__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[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] 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~24,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] [2021-01-06 19:08:22,958 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_spec9_product35.cil.c[46291,46304] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] 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~28,] 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[~__cil_tmp4~5,] 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[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~26,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2021-01-06 19:08:22,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:08:23,105 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:08:23,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:08:23 WrapperNode [2021-01-06 19:08:23,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:08:23,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:08:23,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:08:23,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:08:23,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:08:23" (1/1) ... [2021-01-06 19:08:23,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:08:23" (1/1) ... [2021-01-06 19:08:23,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:08:23,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:08:23,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:08:23,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:08:23,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:08:23" (1/1) ... [2021-01-06 19:08:23,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:08:23" (1/1) ... [2021-01-06 19:08:23,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:08:23" (1/1) ... [2021-01-06 19:08:23,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:08:23" (1/1) ... [2021-01-06 19:08:23,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:08:23" (1/1) ... [2021-01-06 19:08:23,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:08:23" (1/1) ... [2021-01-06 19:08:23,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:08:23" (1/1) ... [2021-01-06 19:08:23,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:08:23,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:08:23,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:08:23,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:08:23,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:08:23" (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 19:08:23,734 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 19:08:23,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:08:23,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:08:23,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:08:23,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:08:28,300 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:08:28,301 INFO L299 CfgBuilder]: Removed 937 assume(true) statements. [2021-01-06 19:08:28,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:08:28 BoogieIcfgContainer [2021-01-06 19:08:28,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:08:28,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:08:28,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:08:28,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:08:28,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:08:22" (1/3) ... [2021-01-06 19:08:28,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f5cf3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:08:28, skipping insertion in model container [2021-01-06 19:08:28,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:08:23" (2/3) ... [2021-01-06 19:08:28,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f5cf3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:08:28, skipping insertion in model container [2021-01-06 19:08:28,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:08:28" (3/3) ... [2021-01-06 19:08:28,314 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product35.cil.c [2021-01-06 19:08:28,321 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:08:28,327 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-06 19:08:28,346 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-06 19:08:28,381 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:08:28,381 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:08:28,381 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:08:28,381 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:08:28,381 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:08:28,381 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:08:28,382 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:08:28,382 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:08:28,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states. [2021-01-06 19:08:28,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 19:08:28,435 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:28,436 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] [2021-01-06 19:08:28,437 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 19:08:28,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:28,444 INFO L82 PathProgramCache]: Analyzing trace with hash 140083866, now seen corresponding path program 1 times [2021-01-06 19:08:28,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:28,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668017740] [2021-01-06 19:08:28,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:28,958 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 19:08:28,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668017740] [2021-01-06 19:08:28,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:28,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:08:28,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978948391] [2021-01-06 19:08:28,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:08:28,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:28,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:08:28,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:08:28,983 INFO L87 Difference]: Start difference. First operand 1342 states. Second operand 3 states. [2021-01-06 19:08:29,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:29,235 INFO L93 Difference]: Finished difference Result 3991 states and 6827 transitions. [2021-01-06 19:08:29,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:08:29,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-01-06 19:08:29,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:29,290 INFO L225 Difference]: With dead ends: 3991 [2021-01-06 19:08:29,290 INFO L226 Difference]: Without dead ends: 2172 [2021-01-06 19:08:29,304 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 19:08:29,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2021-01-06 19:08:29,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 1095. [2021-01-06 19:08:29,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2021-01-06 19:08:29,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1874 transitions. [2021-01-06 19:08:29,452 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1874 transitions. Word has length 48 [2021-01-06 19:08:29,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:29,453 INFO L481 AbstractCegarLoop]: Abstraction has 1095 states and 1874 transitions. [2021-01-06 19:08:29,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:08:29,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1874 transitions. [2021-01-06 19:08:29,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 19:08:29,465 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:29,466 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] [2021-01-06 19:08:29,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:08:29,466 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 19:08:29,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:29,467 INFO L82 PathProgramCache]: Analyzing trace with hash 41604779, now seen corresponding path program 1 times [2021-01-06 19:08:29,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:29,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400975481] [2021-01-06 19:08:29,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:29,670 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 19:08:29,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400975481] [2021-01-06 19:08:29,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:29,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:08:29,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785106762] [2021-01-06 19:08:29,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:08:29,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:29,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:08:29,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:08:29,676 INFO L87 Difference]: Start difference. First operand 1095 states and 1874 transitions. Second operand 5 states. [2021-01-06 19:08:30,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:30,041 INFO L93 Difference]: Finished difference Result 3234 states and 5538 transitions. [2021-01-06 19:08:30,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:08:30,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2021-01-06 19:08:30,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:30,055 INFO L225 Difference]: With dead ends: 3234 [2021-01-06 19:08:30,055 INFO L226 Difference]: Without dead ends: 2158 [2021-01-06 19:08:30,058 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 19:08:30,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2021-01-06 19:08:30,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 1095. [2021-01-06 19:08:30,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2021-01-06 19:08:30,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1873 transitions. [2021-01-06 19:08:30,114 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1873 transitions. Word has length 50 [2021-01-06 19:08:30,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:30,115 INFO L481 AbstractCegarLoop]: Abstraction has 1095 states and 1873 transitions. [2021-01-06 19:08:30,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:08:30,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1873 transitions. [2021-01-06 19:08:30,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 19:08:30,119 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:30,119 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] [2021-01-06 19:08:30,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:08:30,121 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 19:08:30,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:30,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1926292664, now seen corresponding path program 1 times [2021-01-06 19:08:30,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:30,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845105525] [2021-01-06 19:08:30,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:30,281 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 19:08:30,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845105525] [2021-01-06 19:08:30,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:30,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:08:30,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860908335] [2021-01-06 19:08:30,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:08:30,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:30,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:08:30,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:08:30,284 INFO L87 Difference]: Start difference. First operand 1095 states and 1873 transitions. Second operand 3 states. [2021-01-06 19:08:30,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:30,367 INFO L93 Difference]: Finished difference Result 2172 states and 3720 transitions. [2021-01-06 19:08:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:08:30,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-01-06 19:08:30,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:30,375 INFO L225 Difference]: With dead ends: 2172 [2021-01-06 19:08:30,376 INFO L226 Difference]: Without dead ends: 1100 [2021-01-06 19:08:30,378 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 19:08:30,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2021-01-06 19:08:30,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1095. [2021-01-06 19:08:30,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2021-01-06 19:08:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1872 transitions. [2021-01-06 19:08:30,432 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1872 transitions. Word has length 51 [2021-01-06 19:08:30,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:30,439 INFO L481 AbstractCegarLoop]: Abstraction has 1095 states and 1872 transitions. [2021-01-06 19:08:30,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:08:30,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1872 transitions. [2021-01-06 19:08:30,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-06 19:08:30,443 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:30,443 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] [2021-01-06 19:08:30,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:08:30,443 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 19:08:30,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:30,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1363845118, now seen corresponding path program 1 times [2021-01-06 19:08:30,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:30,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816198848] [2021-01-06 19:08:30,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:30,542 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 19:08:30,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816198848] [2021-01-06 19:08:30,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:30,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:08:30,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288680094] [2021-01-06 19:08:30,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:08:30,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:30,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:08:30,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:08:30,548 INFO L87 Difference]: Start difference. First operand 1095 states and 1872 transitions. Second operand 3 states. [2021-01-06 19:08:30,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:30,641 INFO L93 Difference]: Finished difference Result 2182 states and 3733 transitions. [2021-01-06 19:08:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:08:30,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2021-01-06 19:08:30,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:30,648 INFO L225 Difference]: With dead ends: 2182 [2021-01-06 19:08:30,648 INFO L226 Difference]: Without dead ends: 1095 [2021-01-06 19:08:30,654 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 19:08:30,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2021-01-06 19:08:30,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1095. [2021-01-06 19:08:30,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2021-01-06 19:08:30,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1870 transitions. [2021-01-06 19:08:30,704 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1870 transitions. Word has length 52 [2021-01-06 19:08:30,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:30,706 INFO L481 AbstractCegarLoop]: Abstraction has 1095 states and 1870 transitions. [2021-01-06 19:08:30,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:08:30,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1870 transitions. [2021-01-06 19:08:30,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-06 19:08:30,708 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:30,708 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] [2021-01-06 19:08:30,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:08:30,709 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 19:08:30,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:30,710 INFO L82 PathProgramCache]: Analyzing trace with hash -2025560237, now seen corresponding path program 1 times [2021-01-06 19:08:30,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:30,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551105301] [2021-01-06 19:08:30,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:30,833 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 19:08:30,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551105301] [2021-01-06 19:08:30,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:30,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:08:30,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63129818] [2021-01-06 19:08:30,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:08:30,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:30,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:08:30,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:08:30,836 INFO L87 Difference]: Start difference. First operand 1095 states and 1870 transitions. Second operand 5 states. [2021-01-06 19:08:31,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:31,149 INFO L93 Difference]: Finished difference Result 3224 states and 5518 transitions. [2021-01-06 19:08:31,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:08:31,149 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2021-01-06 19:08:31,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:31,162 INFO L225 Difference]: With dead ends: 3224 [2021-01-06 19:08:31,162 INFO L226 Difference]: Without dead ends: 2156 [2021-01-06 19:08:31,165 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 19:08:31,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2021-01-06 19:08:31,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 1095. [2021-01-06 19:08:31,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2021-01-06 19:08:31,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1869 transitions. [2021-01-06 19:08:31,300 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1869 transitions. Word has length 53 [2021-01-06 19:08:31,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:31,300 INFO L481 AbstractCegarLoop]: Abstraction has 1095 states and 1869 transitions. [2021-01-06 19:08:31,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:08:31,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1869 transitions. [2021-01-06 19:08:31,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 19:08:31,303 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:31,304 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] [2021-01-06 19:08:31,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:08:31,304 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 19:08:31,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:31,305 INFO L82 PathProgramCache]: Analyzing trace with hash -695613130, now seen corresponding path program 1 times [2021-01-06 19:08:31,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:31,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914718816] [2021-01-06 19:08:31,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:31,428 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 19:08:31,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914718816] [2021-01-06 19:08:31,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:31,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:08:31,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953997146] [2021-01-06 19:08:31,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:08:31,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:31,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:08:31,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:08:31,433 INFO L87 Difference]: Start difference. First operand 1095 states and 1869 transitions. Second operand 5 states. [2021-01-06 19:08:31,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:31,735 INFO L93 Difference]: Finished difference Result 3229 states and 5523 transitions. [2021-01-06 19:08:31,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:08:31,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-01-06 19:08:31,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:31,748 INFO L225 Difference]: With dead ends: 3229 [2021-01-06 19:08:31,748 INFO L226 Difference]: Without dead ends: 2161 [2021-01-06 19:08:31,751 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 19:08:31,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2161 states. [2021-01-06 19:08:31,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2161 to 1095. [2021-01-06 19:08:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2021-01-06 19:08:31,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1868 transitions. [2021-01-06 19:08:31,846 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1868 transitions. Word has length 54 [2021-01-06 19:08:31,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:31,846 INFO L481 AbstractCegarLoop]: Abstraction has 1095 states and 1868 transitions. [2021-01-06 19:08:31,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:08:31,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1868 transitions. [2021-01-06 19:08:31,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-06 19:08:31,848 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:31,848 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 19:08:31,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:08:31,850 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 19:08:31,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:31,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1584433074, now seen corresponding path program 1 times [2021-01-06 19:08:31,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:31,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23411451] [2021-01-06 19:08:31,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:31,950 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 19:08:31,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23411451] [2021-01-06 19:08:31,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:31,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:08:31,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782763545] [2021-01-06 19:08:31,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:08:31,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:31,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:08:31,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:08:31,953 INFO L87 Difference]: Start difference. First operand 1095 states and 1868 transitions. Second operand 3 states. [2021-01-06 19:08:32,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:32,027 INFO L93 Difference]: Finished difference Result 1905 states and 3223 transitions. [2021-01-06 19:08:32,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:08:32,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2021-01-06 19:08:32,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:32,034 INFO L225 Difference]: With dead ends: 1905 [2021-01-06 19:08:32,034 INFO L226 Difference]: Without dead ends: 1098 [2021-01-06 19:08:32,036 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 19:08:32,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2021-01-06 19:08:32,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1097. [2021-01-06 19:08:32,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1097 states. [2021-01-06 19:08:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1870 transitions. [2021-01-06 19:08:32,098 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1870 transitions. Word has length 55 [2021-01-06 19:08:32,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:32,100 INFO L481 AbstractCegarLoop]: Abstraction has 1097 states and 1870 transitions. [2021-01-06 19:08:32,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:08:32,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1870 transitions. [2021-01-06 19:08:32,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-01-06 19:08:32,101 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:32,102 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] [2021-01-06 19:08:32,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:08:32,102 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 19:08:32,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:32,102 INFO L82 PathProgramCache]: Analyzing trace with hash 2048609084, now seen corresponding path program 1 times [2021-01-06 19:08:32,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:32,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409859735] [2021-01-06 19:08:32,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:32,182 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 19:08:32,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409859735] [2021-01-06 19:08:32,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:32,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:08:32,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857879892] [2021-01-06 19:08:32,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:08:32,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:32,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:08:32,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:08:32,184 INFO L87 Difference]: Start difference. First operand 1097 states and 1870 transitions. Second operand 3 states. [2021-01-06 19:08:32,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:32,318 INFO L93 Difference]: Finished difference Result 3177 states and 5434 transitions. [2021-01-06 19:08:32,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:08:32,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2021-01-06 19:08:32,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:32,329 INFO L225 Difference]: With dead ends: 3177 [2021-01-06 19:08:32,330 INFO L226 Difference]: Without dead ends: 2111 [2021-01-06 19:08:32,333 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 19:08:32,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2111 states. [2021-01-06 19:08:32,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2111 to 1304. [2021-01-06 19:08:32,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2021-01-06 19:08:32,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 2252 transitions. [2021-01-06 19:08:32,418 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 2252 transitions. Word has length 63 [2021-01-06 19:08:32,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:32,418 INFO L481 AbstractCegarLoop]: Abstraction has 1304 states and 2252 transitions. [2021-01-06 19:08:32,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:08:32,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 2252 transitions. [2021-01-06 19:08:32,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 19:08:32,420 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:32,420 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] [2021-01-06 19:08:32,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:08:32,420 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 19:08:32,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:32,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1923049243, now seen corresponding path program 1 times [2021-01-06 19:08:32,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:32,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646944877] [2021-01-06 19:08:32,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:32,562 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 19:08:32,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646944877] [2021-01-06 19:08:32,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:32,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:08:32,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330823656] [2021-01-06 19:08:32,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:08:32,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:32,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:08:32,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:08:32,567 INFO L87 Difference]: Start difference. First operand 1304 states and 2252 transitions. Second operand 5 states. [2021-01-06 19:08:32,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:32,933 INFO L93 Difference]: Finished difference Result 3842 states and 6662 transitions. [2021-01-06 19:08:32,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:08:32,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2021-01-06 19:08:32,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:32,947 INFO L225 Difference]: With dead ends: 3842 [2021-01-06 19:08:32,948 INFO L226 Difference]: Without dead ends: 2569 [2021-01-06 19:08:32,951 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 19:08:32,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2021-01-06 19:08:33,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 1304. [2021-01-06 19:08:33,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2021-01-06 19:08:33,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 2250 transitions. [2021-01-06 19:08:33,056 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 2250 transitions. Word has length 64 [2021-01-06 19:08:33,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:33,056 INFO L481 AbstractCegarLoop]: Abstraction has 1304 states and 2250 transitions. [2021-01-06 19:08:33,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:08:33,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 2250 transitions. [2021-01-06 19:08:33,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 19:08:33,058 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:33,058 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] [2021-01-06 19:08:33,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:08:33,058 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 19:08:33,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:33,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1683447566, now seen corresponding path program 1 times [2021-01-06 19:08:33,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:33,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785343830] [2021-01-06 19:08:33,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:33,123 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 19:08:33,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785343830] [2021-01-06 19:08:33,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:33,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:08:33,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221512145] [2021-01-06 19:08:33,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:08:33,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:33,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:08:33,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:08:33,126 INFO L87 Difference]: Start difference. First operand 1304 states and 2250 transitions. Second operand 3 states. [2021-01-06 19:08:33,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:33,293 INFO L93 Difference]: Finished difference Result 3840 states and 6654 transitions. [2021-01-06 19:08:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:08:33,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2021-01-06 19:08:33,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:33,309 INFO L225 Difference]: With dead ends: 3840 [2021-01-06 19:08:33,309 INFO L226 Difference]: Without dead ends: 2567 [2021-01-06 19:08:33,313 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 19:08:33,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2567 states. [2021-01-06 19:08:33,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 1760. [2021-01-06 19:08:33,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1760 states. [2021-01-06 19:08:33,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 3091 transitions. [2021-01-06 19:08:33,437 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 3091 transitions. Word has length 65 [2021-01-06 19:08:33,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:33,437 INFO L481 AbstractCegarLoop]: Abstraction has 1760 states and 3091 transitions. [2021-01-06 19:08:33,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:08:33,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 3091 transitions. [2021-01-06 19:08:33,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 19:08:33,445 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:33,446 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] [2021-01-06 19:08:33,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:08:33,446 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 19:08:33,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:33,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1639057776, now seen corresponding path program 1 times [2021-01-06 19:08:33,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:33,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612498991] [2021-01-06 19:08:33,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:33,532 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 19:08:33,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612498991] [2021-01-06 19:08:33,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300562371] [2021-01-06 19:08:33,533 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 19:08:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:34,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:08:34,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:08:34,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 19:08:34,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 19:08:34,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 19:08:34,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909680799] [2021-01-06 19:08:34,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:08:34,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:34,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:08:34,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:08:34,182 INFO L87 Difference]: Start difference. First operand 1760 states and 3091 transitions. Second operand 3 states. [2021-01-06 19:08:34,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:34,305 INFO L93 Difference]: Finished difference Result 2469 states and 4272 transitions. [2021-01-06 19:08:34,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:08:34,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2021-01-06 19:08:34,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:34,316 INFO L225 Difference]: With dead ends: 2469 [2021-01-06 19:08:34,316 INFO L226 Difference]: Without dead ends: 1762 [2021-01-06 19:08:34,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:08:34,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1762 states. [2021-01-06 19:08:34,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1762 to 1748. [2021-01-06 19:08:34,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1748 states. [2021-01-06 19:08:34,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 3073 transitions. [2021-01-06 19:08:34,435 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 3073 transitions. Word has length 65 [2021-01-06 19:08:34,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:34,437 INFO L481 AbstractCegarLoop]: Abstraction has 1748 states and 3073 transitions. [2021-01-06 19:08:34,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:08:34,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 3073 transitions. [2021-01-06 19:08:34,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-01-06 19:08:34,441 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:34,441 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:08:34,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 19:08:34,656 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 19:08:34,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:34,657 INFO L82 PathProgramCache]: Analyzing trace with hash 320366489, now seen corresponding path program 1 times [2021-01-06 19:08:34,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:34,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5846399] [2021-01-06 19:08:34,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:34,778 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 19:08:34,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5846399] [2021-01-06 19:08:34,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341151304] [2021-01-06 19:08:34,779 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 19:08:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:35,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:08:35,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:08:35,485 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 19:08:35,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:08:35,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 19:08:35,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677681641] [2021-01-06 19:08:35,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:08:35,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:35,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:08:35,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:08:35,488 INFO L87 Difference]: Start difference. First operand 1748 states and 3073 transitions. Second operand 5 states. [2021-01-06 19:08:35,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:35,702 INFO L93 Difference]: Finished difference Result 3604 states and 6224 transitions. [2021-01-06 19:08:35,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:08:35,703 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2021-01-06 19:08:35,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:35,719 INFO L225 Difference]: With dead ends: 3604 [2021-01-06 19:08:35,719 INFO L226 Difference]: Without dead ends: 2809 [2021-01-06 19:08:35,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 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 19:08:35,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2809 states. [2021-01-06 19:08:35,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2809 to 2011. [2021-01-06 19:08:35,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2011 states. [2021-01-06 19:08:35,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 3552 transitions. [2021-01-06 19:08:35,868 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 3552 transitions. Word has length 113 [2021-01-06 19:08:35,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:35,869 INFO L481 AbstractCegarLoop]: Abstraction has 2011 states and 3552 transitions. [2021-01-06 19:08:35,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:08:35,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 3552 transitions. [2021-01-06 19:08:35,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-01-06 19:08:35,874 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:35,874 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:08:36,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-06 19:08:36,088 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 19:08:36,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:36,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1117933238, now seen corresponding path program 1 times [2021-01-06 19:08:36,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:36,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278505950] [2021-01-06 19:08:36,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:36,180 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 19:08:36,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278505950] [2021-01-06 19:08:36,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:36,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:08:36,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596798699] [2021-01-06 19:08:36,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:08:36,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:36,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:08:36,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:08:36,182 INFO L87 Difference]: Start difference. First operand 2011 states and 3552 transitions. Second operand 3 states. [2021-01-06 19:08:36,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:36,429 INFO L93 Difference]: Finished difference Result 5620 states and 9941 transitions. [2021-01-06 19:08:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:08:36,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2021-01-06 19:08:36,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:36,442 INFO L225 Difference]: With dead ends: 5620 [2021-01-06 19:08:36,442 INFO L226 Difference]: Without dead ends: 3710 [2021-01-06 19:08:36,447 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 19:08:36,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2021-01-06 19:08:36,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 2915. [2021-01-06 19:08:36,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2915 states. [2021-01-06 19:08:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 5213 transitions. [2021-01-06 19:08:36,713 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 5213 transitions. Word has length 117 [2021-01-06 19:08:36,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:36,714 INFO L481 AbstractCegarLoop]: Abstraction has 2915 states and 5213 transitions. [2021-01-06 19:08:36,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:08:36,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 5213 transitions. [2021-01-06 19:08:36,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-01-06 19:08:36,724 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:36,725 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:08:36,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:08:36,725 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 19:08:36,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:36,726 INFO L82 PathProgramCache]: Analyzing trace with hash 326954038, now seen corresponding path program 1 times [2021-01-06 19:08:36,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:36,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040272976] [2021-01-06 19:08:36,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:36,843 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 19:08:36,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040272976] [2021-01-06 19:08:36,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:36,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:08:36,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732478763] [2021-01-06 19:08:36,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:08:36,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:36,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:08:36,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:08:36,846 INFO L87 Difference]: Start difference. First operand 2915 states and 5213 transitions. Second operand 3 states. [2021-01-06 19:08:37,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:37,227 INFO L93 Difference]: Finished difference Result 8068 states and 14443 transitions. [2021-01-06 19:08:37,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:08:37,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2021-01-06 19:08:37,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:37,244 INFO L225 Difference]: With dead ends: 8068 [2021-01-06 19:08:37,244 INFO L226 Difference]: Without dead ends: 5288 [2021-01-06 19:08:37,251 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 19:08:37,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5288 states. [2021-01-06 19:08:37,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5288 to 4493. [2021-01-06 19:08:37,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4493 states. [2021-01-06 19:08:37,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4493 states to 4493 states and 8110 transitions. [2021-01-06 19:08:37,568 INFO L78 Accepts]: Start accepts. Automaton has 4493 states and 8110 transitions. Word has length 118 [2021-01-06 19:08:37,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:37,569 INFO L481 AbstractCegarLoop]: Abstraction has 4493 states and 8110 transitions. [2021-01-06 19:08:37,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:08:37,569 INFO L276 IsEmpty]: Start isEmpty. Operand 4493 states and 8110 transitions. [2021-01-06 19:08:37,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-01-06 19:08:37,580 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:37,580 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:08:37,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 19:08:37,580 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 19:08:37,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:37,581 INFO L82 PathProgramCache]: Analyzing trace with hash -975676825, now seen corresponding path program 1 times [2021-01-06 19:08:37,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:37,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750118518] [2021-01-06 19:08:37,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:37,687 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 19:08:37,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750118518] [2021-01-06 19:08:37,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:37,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:08:37,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431007156] [2021-01-06 19:08:37,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:08:37,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:37,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:08:37,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:08:37,690 INFO L87 Difference]: Start difference. First operand 4493 states and 8110 transitions. Second operand 3 states. [2021-01-06 19:08:38,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:38,160 INFO L93 Difference]: Finished difference Result 12518 states and 22617 transitions. [2021-01-06 19:08:38,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:08:38,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2021-01-06 19:08:38,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:38,182 INFO L225 Difference]: With dead ends: 12518 [2021-01-06 19:08:38,182 INFO L226 Difference]: Without dead ends: 8194 [2021-01-06 19:08:38,191 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 19:08:38,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8194 states. [2021-01-06 19:08:38,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8194 to 7399. [2021-01-06 19:08:38,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7399 states. [2021-01-06 19:08:38,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7399 states to 7399 states and 13439 transitions. [2021-01-06 19:08:38,636 INFO L78 Accepts]: Start accepts. Automaton has 7399 states and 13439 transitions. Word has length 119 [2021-01-06 19:08:38,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:38,636 INFO L481 AbstractCegarLoop]: Abstraction has 7399 states and 13439 transitions. [2021-01-06 19:08:38,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:08:38,637 INFO L276 IsEmpty]: Start isEmpty. Operand 7399 states and 13439 transitions. [2021-01-06 19:08:38,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-01-06 19:08:38,655 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:38,656 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:08:38,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 19:08:38,656 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 19:08:38,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:38,657 INFO L82 PathProgramCache]: Analyzing trace with hash 734291655, now seen corresponding path program 1 times [2021-01-06 19:08:38,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:38,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968309907] [2021-01-06 19:08:38,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:38,752 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 19:08:38,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968309907] [2021-01-06 19:08:38,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:38,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:08:38,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579508806] [2021-01-06 19:08:38,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:08:38,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:38,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:08:38,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:08:38,754 INFO L87 Difference]: Start difference. First operand 7399 states and 13439 transitions. Second operand 3 states. [2021-01-06 19:08:39,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:39,445 INFO L93 Difference]: Finished difference Result 21562 states and 39215 transitions. [2021-01-06 19:08:39,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:08:39,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2021-01-06 19:08:39,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:39,489 INFO L225 Difference]: With dead ends: 21562 [2021-01-06 19:08:39,489 INFO L226 Difference]: Without dead ends: 14340 [2021-01-06 19:08:39,503 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 19:08:39,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14340 states. [2021-01-06 19:08:40,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14340 to 13545. [2021-01-06 19:08:40,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13545 states. [2021-01-06 19:08:40,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13545 states to 13545 states and 24704 transitions. [2021-01-06 19:08:40,386 INFO L78 Accepts]: Start accepts. Automaton has 13545 states and 24704 transitions. Word has length 120 [2021-01-06 19:08:40,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:40,386 INFO L481 AbstractCegarLoop]: Abstraction has 13545 states and 24704 transitions. [2021-01-06 19:08:40,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:08:40,386 INFO L276 IsEmpty]: Start isEmpty. Operand 13545 states and 24704 transitions. [2021-01-06 19:08:40,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-01-06 19:08:40,418 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:40,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:08:40,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 19:08:40,419 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 19:08:40,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:40,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1898930134, now seen corresponding path program 1 times [2021-01-06 19:08:40,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:40,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687463204] [2021-01-06 19:08:40,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:40,508 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 19:08:40,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687463204] [2021-01-06 19:08:40,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:40,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:08:40,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808389112] [2021-01-06 19:08:40,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:08:40,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:40,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:08:40,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:08:40,511 INFO L87 Difference]: Start difference. First operand 13545 states and 24704 transitions. Second operand 3 states. [2021-01-06 19:08:41,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:41,925 INFO L93 Difference]: Finished difference Result 39830 states and 72709 transitions. [2021-01-06 19:08:41,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:08:41,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2021-01-06 19:08:41,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:42,011 INFO L225 Difference]: With dead ends: 39830 [2021-01-06 19:08:42,012 INFO L226 Difference]: Without dead ends: 26470 [2021-01-06 19:08:42,039 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 19:08:42,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26470 states. [2021-01-06 19:08:43,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26470 to 25675. [2021-01-06 19:08:43,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25675 states. [2021-01-06 19:08:43,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25675 states to 25675 states and 46913 transitions. [2021-01-06 19:08:43,915 INFO L78 Accepts]: Start accepts. Automaton has 25675 states and 46913 transitions. Word has length 121 [2021-01-06 19:08:43,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:43,915 INFO L481 AbstractCegarLoop]: Abstraction has 25675 states and 46913 transitions. [2021-01-06 19:08:43,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:08:43,916 INFO L276 IsEmpty]: Start isEmpty. Operand 25675 states and 46913 transitions. [2021-01-06 19:08:43,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-01-06 19:08:43,970 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:43,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:08:43,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 19:08:43,971 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 19:08:43,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:43,971 INFO L82 PathProgramCache]: Analyzing trace with hash 2036413078, now seen corresponding path program 1 times [2021-01-06 19:08:43,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:43,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706016608] [2021-01-06 19:08:43,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:44,067 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 19:08:44,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706016608] [2021-01-06 19:08:44,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:44,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:08:44,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161423867] [2021-01-06 19:08:44,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:08:44,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:44,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:08:44,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:08:44,073 INFO L87 Difference]: Start difference. First operand 25675 states and 46913 transitions. Second operand 3 states. [2021-01-06 19:08:45,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:45,868 INFO L93 Difference]: Finished difference Result 70859 states and 129072 transitions. [2021-01-06 19:08:45,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:08:45,869 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2021-01-06 19:08:45,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:46,045 INFO L225 Difference]: With dead ends: 70859 [2021-01-06 19:08:46,045 INFO L226 Difference]: Without dead ends: 45416 [2021-01-06 19:08:46,103 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 19:08:46,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45416 states. [2021-01-06 19:08:48,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45416 to 44621. [2021-01-06 19:08:48,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44621 states. [2021-01-06 19:08:48,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44621 states to 44621 states and 81090 transitions. [2021-01-06 19:08:48,666 INFO L78 Accepts]: Start accepts. Automaton has 44621 states and 81090 transitions. Word has length 122 [2021-01-06 19:08:48,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:48,666 INFO L481 AbstractCegarLoop]: Abstraction has 44621 states and 81090 transitions. [2021-01-06 19:08:48,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:08:48,666 INFO L276 IsEmpty]: Start isEmpty. Operand 44621 states and 81090 transitions. [2021-01-06 19:08:48,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-01-06 19:08:48,765 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:48,766 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:08:48,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 19:08:48,766 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 19:08:48,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:48,767 INFO L82 PathProgramCache]: Analyzing trace with hash 608685501, now seen corresponding path program 1 times [2021-01-06 19:08:48,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:48,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962569961] [2021-01-06 19:08:48,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:49,061 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 19:08:49,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962569961] [2021-01-06 19:08:49,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:49,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:08:49,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995343632] [2021-01-06 19:08:49,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:08:49,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:49,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:08:49,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:08:49,065 INFO L87 Difference]: Start difference. First operand 44621 states and 81090 transitions. Second operand 5 states. [2021-01-06 19:08:52,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:52,168 INFO L93 Difference]: Finished difference Result 131472 states and 238905 transitions. [2021-01-06 19:08:52,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:08:52,169 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2021-01-06 19:08:52,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:52,510 INFO L225 Difference]: With dead ends: 131472 [2021-01-06 19:08:52,511 INFO L226 Difference]: Without dead ends: 87151 [2021-01-06 19:08:52,593 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 19:08:52,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87151 states. [2021-01-06 19:08:55,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87151 to 44621. [2021-01-06 19:08:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44621 states. [2021-01-06 19:08:55,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44621 states to 44621 states and 80832 transitions. [2021-01-06 19:08:55,183 INFO L78 Accepts]: Start accepts. Automaton has 44621 states and 80832 transitions. Word has length 123 [2021-01-06 19:08:55,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:55,183 INFO L481 AbstractCegarLoop]: Abstraction has 44621 states and 80832 transitions. [2021-01-06 19:08:55,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:08:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 44621 states and 80832 transitions. [2021-01-06 19:08:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-01-06 19:08:55,228 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:55,228 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:08:55,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 19:08:55,228 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 19:08:55,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:55,229 INFO L82 PathProgramCache]: Analyzing trace with hash -805556389, now seen corresponding path program 2 times [2021-01-06 19:08:55,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:55,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265757819] [2021-01-06 19:08:55,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:55,309 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 19:08:55,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265757819] [2021-01-06 19:08:55,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:55,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:08:55,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455826666] [2021-01-06 19:08:55,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:08:55,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:55,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:08:55,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:08:55,312 INFO L87 Difference]: Start difference. First operand 44621 states and 80832 transitions. Second operand 3 states. [2021-01-06 19:08:57,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:57,189 INFO L93 Difference]: Finished difference Result 89731 states and 162474 transitions. [2021-01-06 19:08:57,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:08:57,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2021-01-06 19:08:57,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:57,260 INFO L225 Difference]: With dead ends: 89731 [2021-01-06 19:08:57,260 INFO L226 Difference]: Without dead ends: 45416 [2021-01-06 19:08:57,300 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 19:08:57,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45416 states. [2021-01-06 19:08:59,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45416 to 44621. [2021-01-06 19:08:59,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44621 states. [2021-01-06 19:08:59,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44621 states to 44621 states and 80704 transitions. [2021-01-06 19:08:59,449 INFO L78 Accepts]: Start accepts. Automaton has 44621 states and 80704 transitions. Word has length 123 [2021-01-06 19:08:59,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:59,449 INFO L481 AbstractCegarLoop]: Abstraction has 44621 states and 80704 transitions. [2021-01-06 19:08:59,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:08:59,449 INFO L276 IsEmpty]: Start isEmpty. Operand 44621 states and 80704 transitions. [2021-01-06 19:08:59,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-01-06 19:08:59,497 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:59,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:59,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 19:08:59,497 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 19:08:59,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:59,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1852009928, now seen corresponding path program 1 times [2021-01-06 19:08:59,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:59,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036304273] [2021-01-06 19:08:59,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:59,583 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 19:08:59,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036304273] [2021-01-06 19:08:59,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:59,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:08:59,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070757876] [2021-01-06 19:08:59,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:08:59,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:59,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:08:59,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:08:59,587 INFO L87 Difference]: Start difference. First operand 44621 states and 80704 transitions. Second operand 3 states. [2021-01-06 19:09:02,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:09:02,363 INFO L93 Difference]: Finished difference Result 125357 states and 226548 transitions. [2021-01-06 19:09:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:09:02,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2021-01-06 19:09:02,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:09:02,502 INFO L225 Difference]: With dead ends: 125357 [2021-01-06 19:09:02,502 INFO L226 Difference]: Without dead ends: 81002 [2021-01-06 19:09:02,544 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 19:09:02,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81002 states. [2021-01-06 19:09:05,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81002 to 80207. [2021-01-06 19:09:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80207 states. [2021-01-06 19:09:05,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80207 states to 80207 states and 144705 transitions. [2021-01-06 19:09:05,903 INFO L78 Accepts]: Start accepts. Automaton has 80207 states and 144705 transitions. Word has length 123 [2021-01-06 19:09:05,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:09:05,904 INFO L481 AbstractCegarLoop]: Abstraction has 80207 states and 144705 transitions. [2021-01-06 19:09:05,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:09:05,904 INFO L276 IsEmpty]: Start isEmpty. Operand 80207 states and 144705 transitions. [2021-01-06 19:09:05,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-01-06 19:09:05,979 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:09:05,979 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:09:05,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 19:09:05,980 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 19:09:05,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:09:05,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1555388705, now seen corresponding path program 1 times [2021-01-06 19:09:05,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:09:05,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066802252] [2021-01-06 19:09:05,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:09:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:09:06,156 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 19:09:06,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066802252] [2021-01-06 19:09:06,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:09:06,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 19:09:06,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715498074] [2021-01-06 19:09:06,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 19:09:06,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:09:06,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 19:09:06,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:09:06,161 INFO L87 Difference]: Start difference. First operand 80207 states and 144705 transitions. Second operand 10 states. [2021-01-06 19:09:12,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:09:12,081 INFO L93 Difference]: Finished difference Result 87195 states and 156269 transitions. [2021-01-06 19:09:12,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-01-06 19:09:12,084 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 124 [2021-01-06 19:09:12,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:09:12,241 INFO L225 Difference]: With dead ends: 87195 [2021-01-06 19:09:12,241 INFO L226 Difference]: Without dead ends: 86522 [2021-01-06 19:09:12,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=337, Invalid=923, Unknown=0, NotChecked=0, Total=1260 [2021-01-06 19:09:12,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86522 states. [2021-01-06 19:09:15,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86522 to 80682. [2021-01-06 19:09:15,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80682 states. [2021-01-06 19:09:15,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80682 states to 80682 states and 145489 transitions. [2021-01-06 19:09:15,857 INFO L78 Accepts]: Start accepts. Automaton has 80682 states and 145489 transitions. Word has length 124 [2021-01-06 19:09:15,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:09:15,857 INFO L481 AbstractCegarLoop]: Abstraction has 80682 states and 145489 transitions. [2021-01-06 19:09:15,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 19:09:15,858 INFO L276 IsEmpty]: Start isEmpty. Operand 80682 states and 145489 transitions. [2021-01-06 19:09:15,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-01-06 19:09:15,910 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:09:15,911 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:15,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 19:09:15,911 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 19:09:15,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:09:15,912 INFO L82 PathProgramCache]: Analyzing trace with hash 931423007, now seen corresponding path program 1 times [2021-01-06 19:09:15,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:09:15,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764212134] [2021-01-06 19:09:15,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:09:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:09:16,022 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 19:09:16,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764212134] [2021-01-06 19:09:16,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:09:16,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:09:16,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355187793] [2021-01-06 19:09:16,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:09:16,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:09:16,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:09:16,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:09:16,024 INFO L87 Difference]: Start difference. First operand 80682 states and 145489 transitions. Second operand 5 states. [2021-01-06 19:09:19,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:09:19,907 INFO L93 Difference]: Finished difference Result 87930 states and 157457 transitions. [2021-01-06 19:09:19,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:09:19,912 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2021-01-06 19:09:19,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:09:20,080 INFO L225 Difference]: With dead ends: 87930 [2021-01-06 19:09:20,080 INFO L226 Difference]: Without dead ends: 86912 [2021-01-06 19:09:20,099 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 19:09:20,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86912 states. [2021-01-06 19:09:23,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86912 to 81787. [2021-01-06 19:09:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81787 states. [2021-01-06 19:09:23,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81787 states to 81787 states and 147293 transitions. [2021-01-06 19:09:23,833 INFO L78 Accepts]: Start accepts. Automaton has 81787 states and 147293 transitions. Word has length 125 [2021-01-06 19:09:23,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:09:23,833 INFO L481 AbstractCegarLoop]: Abstraction has 81787 states and 147293 transitions. [2021-01-06 19:09:23,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:09:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 81787 states and 147293 transitions. [2021-01-06 19:09:23,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-01-06 19:09:23,896 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:09:23,896 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:09:23,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 19:09:23,897 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 19:09:23,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:09:23,897 INFO L82 PathProgramCache]: Analyzing trace with hash 26616285, now seen corresponding path program 1 times [2021-01-06 19:09:23,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:09:23,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499734051] [2021-01-06 19:09:23,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:09:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:09:23,991 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 19:09:23,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499734051] [2021-01-06 19:09:23,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:09:23,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:09:23,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117354233] [2021-01-06 19:09:23,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:09:23,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:09:23,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:09:23,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:09:23,993 INFO L87 Difference]: Start difference. First operand 81787 states and 147293 transitions. Second operand 5 states. [2021-01-06 19:09:27,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:09:27,589 INFO L93 Difference]: Finished difference Result 88589 states and 158544 transitions. [2021-01-06 19:09:27,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:09:27,589 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2021-01-06 19:09:27,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:09:27,717 INFO L225 Difference]: With dead ends: 88589 [2021-01-06 19:09:27,717 INFO L226 Difference]: Without dead ends: 86808 [2021-01-06 19:09:27,737 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 19:09:27,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86808 states. [2021-01-06 19:09:31,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86808 to 81811. [2021-01-06 19:09:31,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81811 states. [2021-01-06 19:09:31,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81811 states to 81811 states and 147317 transitions. [2021-01-06 19:09:31,315 INFO L78 Accepts]: Start accepts. Automaton has 81811 states and 147317 transitions. Word has length 126 [2021-01-06 19:09:31,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:09:31,316 INFO L481 AbstractCegarLoop]: Abstraction has 81811 states and 147317 transitions. [2021-01-06 19:09:31,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:09:31,316 INFO L276 IsEmpty]: Start isEmpty. Operand 81811 states and 147317 transitions. [2021-01-06 19:09:31,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-01-06 19:09:31,378 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:09:31,379 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:09:31,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 19:09:31,379 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 19:09:31,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:09:31,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1830055838, now seen corresponding path program 1 times [2021-01-06 19:09:31,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:09:31,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264443122] [2021-01-06 19:09:31,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:09:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:09:31,564 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 19:09:31,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264443122] [2021-01-06 19:09:31,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:09:31,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 19:09:31,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970251831] [2021-01-06 19:09:31,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 19:09:31,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:09:31,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 19:09:31,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:09:31,566 INFO L87 Difference]: Start difference. First operand 81811 states and 147317 transitions. Second operand 11 states. [2021-01-06 19:09:35,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:09:35,529 INFO L93 Difference]: Finished difference Result 84988 states and 152499 transitions. [2021-01-06 19:09:35,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-06 19:09:35,530 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 126 [2021-01-06 19:09:35,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:09:35,649 INFO L225 Difference]: With dead ends: 84988 [2021-01-06 19:09:35,649 INFO L226 Difference]: Without dead ends: 82787 [2021-01-06 19:09:35,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=254, Invalid=616, Unknown=0, NotChecked=0, Total=870 [2021-01-06 19:09:35,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82787 states. [2021-01-06 19:09:39,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82787 to 81741. [2021-01-06 19:09:39,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81741 states. [2021-01-06 19:09:39,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81741 states to 81741 states and 147157 transitions. [2021-01-06 19:09:39,517 INFO L78 Accepts]: Start accepts. Automaton has 81741 states and 147157 transitions. Word has length 126 [2021-01-06 19:09:39,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:09:39,517 INFO L481 AbstractCegarLoop]: Abstraction has 81741 states and 147157 transitions. [2021-01-06 19:09:39,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 19:09:39,518 INFO L276 IsEmpty]: Start isEmpty. Operand 81741 states and 147157 transitions. [2021-01-06 19:09:39,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-01-06 19:09:39,573 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:09:39,573 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:09:39,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 19:09:39,573 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 19:09:39,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:09:39,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1610961153, now seen corresponding path program 1 times [2021-01-06 19:09:39,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:09:39,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467922378] [2021-01-06 19:09:39,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:09:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:09:39,688 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 19:09:39,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467922378] [2021-01-06 19:09:39,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:09:39,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:09:39,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98378396] [2021-01-06 19:09:39,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:09:39,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:09:39,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:09:39,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:09:39,690 INFO L87 Difference]: Start difference. First operand 81741 states and 147157 transitions. Second operand 5 states. [2021-01-06 19:09:47,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:09:47,079 INFO L93 Difference]: Finished difference Result 175326 states and 313258 transitions. [2021-01-06 19:09:47,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:09:47,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2021-01-06 19:09:47,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:09:47,561 INFO L225 Difference]: With dead ends: 175326 [2021-01-06 19:09:47,562 INFO L226 Difference]: Without dead ends: 173084 [2021-01-06 19:09:47,603 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 19:09:47,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173084 states. [2021-01-06 19:09:54,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173084 to 163196. [2021-01-06 19:09:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163196 states. [2021-01-06 19:09:55,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163196 states to 163196 states and 293796 transitions. [2021-01-06 19:09:55,105 INFO L78 Accepts]: Start accepts. Automaton has 163196 states and 293796 transitions. Word has length 128 [2021-01-06 19:09:55,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:09:55,105 INFO L481 AbstractCegarLoop]: Abstraction has 163196 states and 293796 transitions. [2021-01-06 19:09:55,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:09:55,105 INFO L276 IsEmpty]: Start isEmpty. Operand 163196 states and 293796 transitions. [2021-01-06 19:09:55,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-01-06 19:09:55,234 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:09:55,234 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:09:55,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 19:09:55,234 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 19:09:55,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:09:55,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1522332029, now seen corresponding path program 1 times [2021-01-06 19:09:55,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:09:55,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497296389] [2021-01-06 19:09:55,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:09:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:09:55,369 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 19:09:55,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497296389] [2021-01-06 19:09:55,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:09:55,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:09:55,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915039239] [2021-01-06 19:09:55,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 19:09:55,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:09:55,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 19:09:55,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:09:55,372 INFO L87 Difference]: Start difference. First operand 163196 states and 293796 transitions. Second operand 8 states. [2021-01-06 19:10:02,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:02,037 INFO L93 Difference]: Finished difference Result 170430 states and 305455 transitions. [2021-01-06 19:10:02,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 19:10:02,038 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 129 [2021-01-06 19:10:02,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:02,504 INFO L225 Difference]: With dead ends: 170430 [2021-01-06 19:10:02,504 INFO L226 Difference]: Without dead ends: 165912 [2021-01-06 19:10:02,542 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2021-01-06 19:10:02,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165912 states. [2021-01-06 19:10:09,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165912 to 163112. [2021-01-06 19:10:09,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163112 states. [2021-01-06 19:10:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163112 states to 163112 states and 293614 transitions. [2021-01-06 19:10:10,427 INFO L78 Accepts]: Start accepts. Automaton has 163112 states and 293614 transitions. Word has length 129 [2021-01-06 19:10:10,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:10,427 INFO L481 AbstractCegarLoop]: Abstraction has 163112 states and 293614 transitions. [2021-01-06 19:10:10,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 19:10:10,427 INFO L276 IsEmpty]: Start isEmpty. Operand 163112 states and 293614 transitions. [2021-01-06 19:10:10,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-01-06 19:10:10,559 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:10,559 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:10,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 19:10:10,560 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 19:10:10,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:10,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1153496074, now seen corresponding path program 1 times [2021-01-06 19:10:10,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:10,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378396995] [2021-01-06 19:10:10,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:10,763 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 19:10:10,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378396995] [2021-01-06 19:10:10,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:10,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-01-06 19:10:10,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381969517] [2021-01-06 19:10:10,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-06 19:10:10,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:10,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-06 19:10:10,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-01-06 19:10:10,766 INFO L87 Difference]: Start difference. First operand 163112 states and 293614 transitions. Second operand 12 states. [2021-01-06 19:10:22,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:22,865 INFO L93 Difference]: Finished difference Result 185568 states and 329952 transitions. [2021-01-06 19:10:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-01-06 19:10:22,865 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 129 [2021-01-06 19:10:22,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:23,340 INFO L225 Difference]: With dead ends: 185568 [2021-01-06 19:10:23,340 INFO L226 Difference]: Without dead ends: 182172 [2021-01-06 19:10:23,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 539 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=570, Invalid=1782, Unknown=0, NotChecked=0, Total=2352 [2021-01-06 19:10:23,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182172 states. [2021-01-06 19:10:30,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182172 to 164524. [2021-01-06 19:10:30,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164524 states. [2021-01-06 19:10:31,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164524 states to 164524 states and 295910 transitions. [2021-01-06 19:10:31,175 INFO L78 Accepts]: Start accepts. Automaton has 164524 states and 295910 transitions. Word has length 129 [2021-01-06 19:10:31,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:31,175 INFO L481 AbstractCegarLoop]: Abstraction has 164524 states and 295910 transitions. [2021-01-06 19:10:31,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-01-06 19:10:31,175 INFO L276 IsEmpty]: Start isEmpty. Operand 164524 states and 295910 transitions. [2021-01-06 19:10:31,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-01-06 19:10:31,301 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:31,301 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:31,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 19:10:31,301 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 19:10:31,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:31,302 INFO L82 PathProgramCache]: Analyzing trace with hash -155155648, now seen corresponding path program 1 times [2021-01-06 19:10:31,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:31,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757152693] [2021-01-06 19:10:31,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:31,442 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 19:10:31,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757152693] [2021-01-06 19:10:31,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:31,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 19:10:31,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899793597] [2021-01-06 19:10:31,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 19:10:31,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:31,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 19:10:31,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:10:31,444 INFO L87 Difference]: Start difference. First operand 164524 states and 295910 transitions. Second operand 10 states. [2021-01-06 19:10:38,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:38,287 INFO L93 Difference]: Finished difference Result 171352 states and 306921 transitions. [2021-01-06 19:10:38,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-01-06 19:10:38,287 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2021-01-06 19:10:38,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:38,589 INFO L225 Difference]: With dead ends: 171352 [2021-01-06 19:10:38,589 INFO L226 Difference]: Without dead ends: 165434 [2021-01-06 19:10:38,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=490, Unknown=0, NotChecked=0, Total=702 [2021-01-06 19:10:38,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165434 states. [2021-01-06 19:10:45,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165434 to 163228. [2021-01-06 19:10:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163228 states. [2021-01-06 19:10:45,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163228 states to 163228 states and 293798 transitions. [2021-01-06 19:10:45,960 INFO L78 Accepts]: Start accepts. Automaton has 163228 states and 293798 transitions. Word has length 129 [2021-01-06 19:10:45,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:45,961 INFO L481 AbstractCegarLoop]: Abstraction has 163228 states and 293798 transitions. [2021-01-06 19:10:45,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 19:10:45,961 INFO L276 IsEmpty]: Start isEmpty. Operand 163228 states and 293798 transitions. [2021-01-06 19:10:46,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-01-06 19:10:46,438 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:46,439 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:46,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-01-06 19:10:46,439 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 19:10:46,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:46,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1802815431, now seen corresponding path program 1 times [2021-01-06 19:10:46,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:46,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615247590] [2021-01-06 19:10:46,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:46,540 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 19:10:46,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615247590] [2021-01-06 19:10:46,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:46,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:10:46,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688859025] [2021-01-06 19:10:46,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:10:46,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:46,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:10:46,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:10:46,542 INFO L87 Difference]: Start difference. First operand 163228 states and 293798 transitions. Second operand 5 states. [2021-01-06 19:10:58,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:58,693 INFO L93 Difference]: Finished difference Result 332144 states and 596636 transitions. [2021-01-06 19:10:58,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:10:58,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2021-01-06 19:10:58,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:59,579 INFO L225 Difference]: With dead ends: 332144 [2021-01-06 19:10:59,579 INFO L226 Difference]: Without dead ends: 328244 [2021-01-06 19:10:59,688 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 19:10:59,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328244 states. [2021-01-06 19:11:14,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328244 to 324842. [2021-01-06 19:11:14,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324842 states. [2021-01-06 19:11:15,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324842 states to 324842 states and 584886 transitions. [2021-01-06 19:11:15,680 INFO L78 Accepts]: Start accepts. Automaton has 324842 states and 584886 transitions. Word has length 130 [2021-01-06 19:11:15,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:11:15,681 INFO L481 AbstractCegarLoop]: Abstraction has 324842 states and 584886 transitions. [2021-01-06 19:11:15,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:11:15,681 INFO L276 IsEmpty]: Start isEmpty. Operand 324842 states and 584886 transitions. [2021-01-06 19:11:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-01-06 19:11:15,877 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:11:15,877 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:11:15,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-01-06 19:11:15,877 INFO L429 AbstractCegarLoop]: === Iteration 31 === [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 19:11:15,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:11:15,878 INFO L82 PathProgramCache]: Analyzing trace with hash -180441863, now seen corresponding path program 1 times [2021-01-06 19:11:15,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:11:15,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215944941] [2021-01-06 19:11:15,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:11:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:16,623 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:11:16,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215944941] [2021-01-06 19:11:16,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722666129] [2021-01-06 19:11:16,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:11:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:11:17,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 1381 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 19:11:17,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:11:17,234 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 19:11:17,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:11:17,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2021-01-06 19:11:17,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266368320] [2021-01-06 19:11:17,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 19:11:17,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:11:17,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 19:11:17,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:11:17,236 INFO L87 Difference]: Start difference. First operand 324842 states and 584886 transitions. Second operand 11 states. [2021-01-06 19:11:51,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:11:51,698 INFO L93 Difference]: Finished difference Result 577274 states and 1021939 transitions. [2021-01-06 19:11:51,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-01-06 19:11:51,699 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2021-01-06 19:11:51,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:11:53,292 INFO L225 Difference]: With dead ends: 577274 [2021-01-06 19:11:53,292 INFO L226 Difference]: Without dead ends: 569234 [2021-01-06 19:11:53,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=281, Invalid=1125, Unknown=0, NotChecked=0, Total=1406 [2021-01-06 19:11:53,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569234 states.