/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec8_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:02:27,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:02:27,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:02:27,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:02:27,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:02:27,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:02:27,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:02:27,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:02:27,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:02:27,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:02:27,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:02:27,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:02:27,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:02:27,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:02:27,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:02:27,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:02:27,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:02:27,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:02:27,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:02:27,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:02:27,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:02:27,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:02:27,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:02:27,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:02:27,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:02:27,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:02:27,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:02:27,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:02:27,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:02:27,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:02:27,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:02:27,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:02:27,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:02:27,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:02:27,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:02:27,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:02:27,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:02:27,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:02:27,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:02:27,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:02:27,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:02:27,435 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 19:02:27,464 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:02:27,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:02:27,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:02:27,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:02:27,466 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:02:27,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:02:27,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:02:27,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:02:27,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:02:27,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:02:27,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:02:27,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:02:27,468 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:02:27,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:02:27,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:02:27,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:02:27,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:02:27,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:02:27,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:02:27,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:02:27,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:02:27,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:02:27,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:02:27,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:02:27,471 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:02:27,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:02:27,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:02:27,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:02:27,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:02:27,863 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:02:27,864 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:02:27,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product15.cil.c [2021-01-06 19:02:27,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9b0e5c7ac/349255c2779e4467b87cafd8ff4275ad/FLAGcb0e93c41 [2021-01-06 19:02:28,727 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:02:28,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product15.cil.c [2021-01-06 19:02:28,756 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9b0e5c7ac/349255c2779e4467b87cafd8ff4275ad/FLAGcb0e93c41 [2021-01-06 19:02:28,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9b0e5c7ac/349255c2779e4467b87cafd8ff4275ad [2021-01-06 19:02:28,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:02:28,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:02:28,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:02:28,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:02:28,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:02:28,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:02:28" (1/1) ... [2021-01-06 19:02:28,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3bf3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:28, skipping insertion in model container [2021-01-06 19:02:28,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:02:28" (1/1) ... [2021-01-06 19:02:28,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:02:29,095 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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[~__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~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[~__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~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_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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~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_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~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_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~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_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] 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[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~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[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~8,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__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~9,] 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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] 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~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[~retValue_acc~31,] 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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] 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_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] [2021-01-06 19:02:29,852 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product15.cil.c[44631,44644] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] 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~36,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] 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_tmp5~3,] 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~19,] 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_tmp5~4,] 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~20,] 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~39,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 19:02:30,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:02:30,034 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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[~__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~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[~__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~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_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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~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_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~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_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~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_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] 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[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~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[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~8,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__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~9,] 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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] 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~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[~retValue_acc~31,] 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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] 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_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] [2021-01-06 19:02:30,155 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product15.cil.c[44631,44644] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] 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~36,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] 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_tmp5~3,] 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~19,] 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_tmp5~4,] 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~20,] 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~39,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 19:02:30,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:02:30,286 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:02:30,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:30 WrapperNode [2021-01-06 19:02:30,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:02:30,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:02:30,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:02:30,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:02:30,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:30" (1/1) ... [2021-01-06 19:02:30,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:30" (1/1) ... [2021-01-06 19:02:30,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:02:30,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:02:30,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:02:30,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:02:30,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:30" (1/1) ... [2021-01-06 19:02:30,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:30" (1/1) ... [2021-01-06 19:02:30,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:30" (1/1) ... [2021-01-06 19:02:30,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:30" (1/1) ... [2021-01-06 19:02:30,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:30" (1/1) ... [2021-01-06 19:02:30,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:30" (1/1) ... [2021-01-06 19:02:30,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:30" (1/1) ... [2021-01-06 19:02:30,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:02:30,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:02:30,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:02:30,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:02:30,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:30" (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 19:02:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 19:02:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:02:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:02:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:02:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:02:33,474 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:02:33,475 INFO L299 CfgBuilder]: Removed 259 assume(true) statements. [2021-01-06 19:02:33,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:02:33 BoogieIcfgContainer [2021-01-06 19:02:33,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:02:33,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:02:33,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:02:33,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:02:33,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:02:28" (1/3) ... [2021-01-06 19:02:33,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba7b9d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:02:33, skipping insertion in model container [2021-01-06 19:02:33,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:30" (2/3) ... [2021-01-06 19:02:33,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba7b9d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:02:33, skipping insertion in model container [2021-01-06 19:02:33,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:02:33" (3/3) ... [2021-01-06 19:02:33,496 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product15.cil.c [2021-01-06 19:02:33,507 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:02:33,514 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 19:02:33,535 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 19:02:33,589 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:02:33,589 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:02:33,589 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:02:33,591 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:02:33,592 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:02:33,592 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:02:33,592 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:02:33,592 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:02:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states. [2021-01-06 19:02:33,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-06 19:02:33,655 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:33,656 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] [2021-01-06 19:02:33,656 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:33,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:33,663 INFO L82 PathProgramCache]: Analyzing trace with hash 827013746, now seen corresponding path program 1 times [2021-01-06 19:02:33,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:33,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087791399] [2021-01-06 19:02:33,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:34,098 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 19:02:34,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087791399] [2021-01-06 19:02:34,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:34,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:34,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963116425] [2021-01-06 19:02:34,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:34,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:34,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:34,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:34,131 INFO L87 Difference]: Start difference. First operand 411 states. Second operand 3 states. [2021-01-06 19:02:34,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:34,353 INFO L93 Difference]: Finished difference Result 1198 states and 2102 transitions. [2021-01-06 19:02:34,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:34,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2021-01-06 19:02:34,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:34,390 INFO L225 Difference]: With dead ends: 1198 [2021-01-06 19:02:34,391 INFO L226 Difference]: Without dead ends: 710 [2021-01-06 19:02:34,401 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 19:02:34,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2021-01-06 19:02:34,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 364. [2021-01-06 19:02:34,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2021-01-06 19:02:34,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 635 transitions. [2021-01-06 19:02:34,481 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 635 transitions. Word has length 41 [2021-01-06 19:02:34,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:34,481 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 635 transitions. [2021-01-06 19:02:34,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:34,482 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 635 transitions. [2021-01-06 19:02:34,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-01-06 19:02:34,484 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:34,484 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] [2021-01-06 19:02:34,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:02:34,485 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:34,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:34,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1561724417, now seen corresponding path program 1 times [2021-01-06 19:02:34,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:34,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594402170] [2021-01-06 19:02:34,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:34,667 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 19:02:34,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594402170] [2021-01-06 19:02:34,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:34,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:02:34,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48363421] [2021-01-06 19:02:34,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:34,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:34,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:34,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:34,674 INFO L87 Difference]: Start difference. First operand 364 states and 635 transitions. Second operand 5 states. [2021-01-06 19:02:34,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:34,884 INFO L93 Difference]: Finished difference Result 1041 states and 1821 transitions. [2021-01-06 19:02:34,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:02:34,885 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2021-01-06 19:02:34,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:34,890 INFO L225 Difference]: With dead ends: 1041 [2021-01-06 19:02:34,891 INFO L226 Difference]: Without dead ends: 696 [2021-01-06 19:02:34,892 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 19:02:34,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2021-01-06 19:02:34,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 364. [2021-01-06 19:02:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2021-01-06 19:02:34,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 634 transitions. [2021-01-06 19:02:34,922 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 634 transitions. Word has length 43 [2021-01-06 19:02:34,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:34,922 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 634 transitions. [2021-01-06 19:02:34,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:02:34,923 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 634 transitions. [2021-01-06 19:02:34,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 19:02:34,925 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:34,925 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] [2021-01-06 19:02:34,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:02:34,926 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:34,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:34,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1671434094, now seen corresponding path program 1 times [2021-01-06 19:02:34,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:34,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801809767] [2021-01-06 19:02:34,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:35,018 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 19:02:35,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801809767] [2021-01-06 19:02:35,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:35,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:35,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865420343] [2021-01-06 19:02:35,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:35,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:35,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:35,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:35,022 INFO L87 Difference]: Start difference. First operand 364 states and 634 transitions. Second operand 3 states. [2021-01-06 19:02:35,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:35,067 INFO L93 Difference]: Finished difference Result 710 states and 1242 transitions. [2021-01-06 19:02:35,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:35,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2021-01-06 19:02:35,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:35,070 INFO L225 Difference]: With dead ends: 710 [2021-01-06 19:02:35,071 INFO L226 Difference]: Without dead ends: 369 [2021-01-06 19:02:35,072 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 19:02:35,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2021-01-06 19:02:35,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 364. [2021-01-06 19:02:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2021-01-06 19:02:35,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 633 transitions. [2021-01-06 19:02:35,100 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 633 transitions. Word has length 44 [2021-01-06 19:02:35,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:35,109 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 633 transitions. [2021-01-06 19:02:35,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:35,109 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 633 transitions. [2021-01-06 19:02:35,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-06 19:02:35,114 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:35,114 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:35,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:02:35,115 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:35,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:35,116 INFO L82 PathProgramCache]: Analyzing trace with hash 2033694732, now seen corresponding path program 1 times [2021-01-06 19:02:35,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:35,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375603041] [2021-01-06 19:02:35,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:35,257 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 19:02:35,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375603041] [2021-01-06 19:02:35,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:35,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:35,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458984468] [2021-01-06 19:02:35,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:35,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:35,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:35,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:35,260 INFO L87 Difference]: Start difference. First operand 364 states and 633 transitions. Second operand 3 states. [2021-01-06 19:02:35,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:35,320 INFO L93 Difference]: Finished difference Result 720 states and 1255 transitions. [2021-01-06 19:02:35,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:35,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2021-01-06 19:02:35,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:35,325 INFO L225 Difference]: With dead ends: 720 [2021-01-06 19:02:35,325 INFO L226 Difference]: Without dead ends: 364 [2021-01-06 19:02:35,326 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 19:02:35,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-01-06 19:02:35,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2021-01-06 19:02:35,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2021-01-06 19:02:35,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 631 transitions. [2021-01-06 19:02:35,343 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 631 transitions. Word has length 45 [2021-01-06 19:02:35,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:35,344 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 631 transitions. [2021-01-06 19:02:35,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:35,344 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 631 transitions. [2021-01-06 19:02:35,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-06 19:02:35,346 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:35,346 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] [2021-01-06 19:02:35,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:02:35,347 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:35,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:35,347 INFO L82 PathProgramCache]: Analyzing trace with hash 99112535, now seen corresponding path program 1 times [2021-01-06 19:02:35,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:35,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539324330] [2021-01-06 19:02:35,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:35,482 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 19:02:35,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539324330] [2021-01-06 19:02:35,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:35,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:02:35,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913167015] [2021-01-06 19:02:35,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:35,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:35,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:35,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:35,486 INFO L87 Difference]: Start difference. First operand 364 states and 631 transitions. Second operand 5 states. [2021-01-06 19:02:35,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:35,667 INFO L93 Difference]: Finished difference Result 1031 states and 1801 transitions. [2021-01-06 19:02:35,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:02:35,668 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2021-01-06 19:02:35,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:35,673 INFO L225 Difference]: With dead ends: 1031 [2021-01-06 19:02:35,673 INFO L226 Difference]: Without dead ends: 694 [2021-01-06 19:02:35,674 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 19:02:35,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2021-01-06 19:02:35,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 364. [2021-01-06 19:02:35,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2021-01-06 19:02:35,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 630 transitions. [2021-01-06 19:02:35,704 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 630 transitions. Word has length 46 [2021-01-06 19:02:35,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:35,706 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 630 transitions. [2021-01-06 19:02:35,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:02:35,707 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 630 transitions. [2021-01-06 19:02:35,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 19:02:35,709 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:35,709 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] [2021-01-06 19:02:35,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:02:35,710 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:35,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:35,710 INFO L82 PathProgramCache]: Analyzing trace with hash -662962732, now seen corresponding path program 1 times [2021-01-06 19:02:35,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:35,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265991051] [2021-01-06 19:02:35,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:35,853 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 19:02:35,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265991051] [2021-01-06 19:02:35,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:35,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:02:35,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654508631] [2021-01-06 19:02:35,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:35,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:35,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:35,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:35,859 INFO L87 Difference]: Start difference. First operand 364 states and 630 transitions. Second operand 5 states. [2021-01-06 19:02:36,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:36,044 INFO L93 Difference]: Finished difference Result 1036 states and 1806 transitions. [2021-01-06 19:02:36,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:02:36,045 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2021-01-06 19:02:36,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:36,049 INFO L225 Difference]: With dead ends: 1036 [2021-01-06 19:02:36,050 INFO L226 Difference]: Without dead ends: 699 [2021-01-06 19:02:36,051 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 19:02:36,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-01-06 19:02:36,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 364. [2021-01-06 19:02:36,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2021-01-06 19:02:36,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 629 transitions. [2021-01-06 19:02:36,078 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 629 transitions. Word has length 47 [2021-01-06 19:02:36,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:36,079 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 629 transitions. [2021-01-06 19:02:36,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:02:36,079 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 629 transitions. [2021-01-06 19:02:36,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 19:02:36,081 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:36,081 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 19:02:36,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:02:36,082 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:36,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:36,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1995610556, now seen corresponding path program 1 times [2021-01-06 19:02:36,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:36,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48388889] [2021-01-06 19:02:36,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:36,202 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 19:02:36,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48388889] [2021-01-06 19:02:36,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:36,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:36,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644301337] [2021-01-06 19:02:36,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:36,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:36,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:36,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:36,206 INFO L87 Difference]: Start difference. First operand 364 states and 629 transitions. Second operand 3 states. [2021-01-06 19:02:36,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:36,242 INFO L93 Difference]: Finished difference Result 490 states and 834 transitions. [2021-01-06 19:02:36,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:36,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-01-06 19:02:36,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:36,246 INFO L225 Difference]: With dead ends: 490 [2021-01-06 19:02:36,246 INFO L226 Difference]: Without dead ends: 367 [2021-01-06 19:02:36,247 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 19:02:36,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-01-06 19:02:36,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 366. [2021-01-06 19:02:36,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2021-01-06 19:02:36,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 631 transitions. [2021-01-06 19:02:36,274 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 631 transitions. Word has length 48 [2021-01-06 19:02:36,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:36,275 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 631 transitions. [2021-01-06 19:02:36,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:36,275 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 631 transitions. [2021-01-06 19:02:36,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 19:02:36,276 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:36,276 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] [2021-01-06 19:02:36,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:02:36,277 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:36,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:36,278 INFO L82 PathProgramCache]: Analyzing trace with hash -520481138, now seen corresponding path program 1 times [2021-01-06 19:02:36,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:36,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503029108] [2021-01-06 19:02:36,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:36,347 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 19:02:36,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503029108] [2021-01-06 19:02:36,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:36,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:36,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724425385] [2021-01-06 19:02:36,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:36,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:36,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:36,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:36,350 INFO L87 Difference]: Start difference. First operand 366 states and 631 transitions. Second operand 3 states. [2021-01-06 19:02:36,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:36,396 INFO L93 Difference]: Finished difference Result 984 states and 1717 transitions. [2021-01-06 19:02:36,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:36,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2021-01-06 19:02:36,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:36,400 INFO L225 Difference]: With dead ends: 984 [2021-01-06 19:02:36,401 INFO L226 Difference]: Without dead ends: 649 [2021-01-06 19:02:36,402 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 19:02:36,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2021-01-06 19:02:36,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 526. [2021-01-06 19:02:36,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2021-01-06 19:02:36,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 924 transitions. [2021-01-06 19:02:36,436 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 924 transitions. Word has length 56 [2021-01-06 19:02:36,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:36,436 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 924 transitions. [2021-01-06 19:02:36,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:36,437 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 924 transitions. [2021-01-06 19:02:36,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 19:02:36,438 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:36,438 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] [2021-01-06 19:02:36,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:02:36,439 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:36,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:36,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1664485263, now seen corresponding path program 1 times [2021-01-06 19:02:36,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:36,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935959196] [2021-01-06 19:02:36,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:36,522 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 19:02:36,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935959196] [2021-01-06 19:02:36,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:36,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:02:36,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979768914] [2021-01-06 19:02:36,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:36,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:36,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:36,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:36,525 INFO L87 Difference]: Start difference. First operand 526 states and 924 transitions. Second operand 5 states. [2021-01-06 19:02:36,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:36,762 INFO L93 Difference]: Finished difference Result 1508 states and 2678 transitions. [2021-01-06 19:02:36,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:02:36,762 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2021-01-06 19:02:36,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:36,768 INFO L225 Difference]: With dead ends: 1508 [2021-01-06 19:02:36,769 INFO L226 Difference]: Without dead ends: 1013 [2021-01-06 19:02:36,770 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 19:02:36,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2021-01-06 19:02:36,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 526. [2021-01-06 19:02:36,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2021-01-06 19:02:36,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 922 transitions. [2021-01-06 19:02:36,837 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 922 transitions. Word has length 57 [2021-01-06 19:02:36,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:36,837 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 922 transitions. [2021-01-06 19:02:36,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:02:36,837 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 922 transitions. [2021-01-06 19:02:36,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 19:02:36,839 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:36,839 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] [2021-01-06 19:02:36,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:02:36,840 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:36,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:36,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1582947944, now seen corresponding path program 1 times [2021-01-06 19:02:36,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:36,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880199489] [2021-01-06 19:02:36,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:36,921 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 19:02:36,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880199489] [2021-01-06 19:02:36,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:36,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:36,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068264093] [2021-01-06 19:02:36,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:36,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:36,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:36,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:36,924 INFO L87 Difference]: Start difference. First operand 526 states and 922 transitions. Second operand 3 states. [2021-01-06 19:02:37,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:37,027 INFO L93 Difference]: Finished difference Result 1506 states and 2670 transitions. [2021-01-06 19:02:37,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:37,028 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 19:02:37,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:37,035 INFO L225 Difference]: With dead ends: 1506 [2021-01-06 19:02:37,036 INFO L226 Difference]: Without dead ends: 1011 [2021-01-06 19:02:37,038 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 19:02:37,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2021-01-06 19:02:37,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 888. [2021-01-06 19:02:37,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2021-01-06 19:02:37,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1585 transitions. [2021-01-06 19:02:37,106 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1585 transitions. Word has length 58 [2021-01-06 19:02:37,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:37,107 INFO L481 AbstractCegarLoop]: Abstraction has 888 states and 1585 transitions. [2021-01-06 19:02:37,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:37,107 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1585 transitions. [2021-01-06 19:02:37,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 19:02:37,109 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:37,109 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] [2021-01-06 19:02:37,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:02:37,109 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:37,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:37,110 INFO L82 PathProgramCache]: Analyzing trace with hash -348864070, now seen corresponding path program 1 times [2021-01-06 19:02:37,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:37,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306946966] [2021-01-06 19:02:37,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:37,202 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 19:02:37,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306946966] [2021-01-06 19:02:37,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743410935] [2021-01-06 19:02:37,203 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 19:02:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:37,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:02:37,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:02:37,688 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 19:02:37,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 19:02:37,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 19:02:37,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644034026] [2021-01-06 19:02:37,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:37,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:37,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:37,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:37,690 INFO L87 Difference]: Start difference. First operand 888 states and 1585 transitions. Second operand 3 states. [2021-01-06 19:02:37,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:37,824 INFO L93 Difference]: Finished difference Result 969 states and 1716 transitions. [2021-01-06 19:02:37,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:37,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 19:02:37,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:37,836 INFO L225 Difference]: With dead ends: 969 [2021-01-06 19:02:37,836 INFO L226 Difference]: Without dead ends: 882 [2021-01-06 19:02:37,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:37,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2021-01-06 19:02:37,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 882. [2021-01-06 19:02:37,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2021-01-06 19:02:37,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1576 transitions. [2021-01-06 19:02:37,927 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1576 transitions. Word has length 58 [2021-01-06 19:02:37,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:37,927 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1576 transitions. [2021-01-06 19:02:37,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:37,927 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1576 transitions. [2021-01-06 19:02:37,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-01-06 19:02:37,930 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:37,930 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] [2021-01-06 19:02:38,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 19:02:38,145 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:38,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:38,146 INFO L82 PathProgramCache]: Analyzing trace with hash -726854746, now seen corresponding path program 1 times [2021-01-06 19:02:38,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:38,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6849753] [2021-01-06 19:02:38,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:38,228 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 19:02:38,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6849753] [2021-01-06 19:02:38,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130422222] [2021-01-06 19:02:38,229 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 19:02:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:38,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:02:38,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:02:38,984 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 19:02:38,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:02:38,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 19:02:38,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487995853] [2021-01-06 19:02:38,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:38,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:38,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:38,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:38,992 INFO L87 Difference]: Start difference. First operand 882 states and 1576 transitions. Second operand 5 states. [2021-01-06 19:02:39,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:39,130 INFO L93 Difference]: Finished difference Result 1335 states and 2356 transitions. [2021-01-06 19:02:39,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:02:39,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2021-01-06 19:02:39,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:39,138 INFO L225 Difference]: With dead ends: 1335 [2021-01-06 19:02:39,138 INFO L226 Difference]: Without dead ends: 1218 [2021-01-06 19:02:39,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 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 19:02:39,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2021-01-06 19:02:39,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1098. [2021-01-06 19:02:39,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1098 states. [2021-01-06 19:02:39,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1966 transitions. [2021-01-06 19:02:39,254 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1966 transitions. Word has length 89 [2021-01-06 19:02:39,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:39,255 INFO L481 AbstractCegarLoop]: Abstraction has 1098 states and 1966 transitions. [2021-01-06 19:02:39,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:02:39,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1966 transitions. [2021-01-06 19:02:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-01-06 19:02:39,258 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:39,258 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] [2021-01-06 19:02:39,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-06 19:02:39,472 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:39,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:39,473 INFO L82 PathProgramCache]: Analyzing trace with hash -47361245, now seen corresponding path program 1 times [2021-01-06 19:02:39,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:39,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527671463] [2021-01-06 19:02:39,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:39,655 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 19:02:39,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527671463] [2021-01-06 19:02:39,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:39,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:39,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627360383] [2021-01-06 19:02:39,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:39,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:39,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:39,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:39,659 INFO L87 Difference]: Start difference. First operand 1098 states and 1966 transitions. Second operand 3 states. [2021-01-06 19:02:39,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:39,827 INFO L93 Difference]: Finished difference Result 2928 states and 5272 transitions. [2021-01-06 19:02:39,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:39,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2021-01-06 19:02:39,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:39,839 INFO L225 Difference]: With dead ends: 2928 [2021-01-06 19:02:39,839 INFO L226 Difference]: Without dead ends: 1931 [2021-01-06 19:02:39,845 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 19:02:39,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1931 states. [2021-01-06 19:02:39,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1931 to 1814. [2021-01-06 19:02:39,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1814 states. [2021-01-06 19:02:39,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1814 states and 3271 transitions. [2021-01-06 19:02:39,970 INFO L78 Accepts]: Start accepts. Automaton has 1814 states and 3271 transitions. Word has length 93 [2021-01-06 19:02:39,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:39,970 INFO L481 AbstractCegarLoop]: Abstraction has 1814 states and 3271 transitions. [2021-01-06 19:02:39,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:39,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 3271 transitions. [2021-01-06 19:02:39,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-01-06 19:02:39,975 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:39,975 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] [2021-01-06 19:02:39,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:02:39,975 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:39,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:39,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1104645981, now seen corresponding path program 1 times [2021-01-06 19:02:39,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:39,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795379112] [2021-01-06 19:02:39,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:40,055 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 19:02:40,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795379112] [2021-01-06 19:02:40,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:40,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:40,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491719645] [2021-01-06 19:02:40,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:40,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:40,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:40,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:40,060 INFO L87 Difference]: Start difference. First operand 1814 states and 3271 transitions. Second operand 3 states. [2021-01-06 19:02:40,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:40,298 INFO L93 Difference]: Finished difference Result 4812 states and 8706 transitions. [2021-01-06 19:02:40,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:40,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2021-01-06 19:02:40,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:40,318 INFO L225 Difference]: With dead ends: 4812 [2021-01-06 19:02:40,318 INFO L226 Difference]: Without dead ends: 3133 [2021-01-06 19:02:40,322 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 19:02:40,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2021-01-06 19:02:40,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 3016. [2021-01-06 19:02:40,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3016 states. [2021-01-06 19:02:40,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 3016 states and 5456 transitions. [2021-01-06 19:02:40,542 INFO L78 Accepts]: Start accepts. Automaton has 3016 states and 5456 transitions. Word has length 94 [2021-01-06 19:02:40,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:40,542 INFO L481 AbstractCegarLoop]: Abstraction has 3016 states and 5456 transitions. [2021-01-06 19:02:40,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:40,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 5456 transitions. [2021-01-06 19:02:40,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-01-06 19:02:40,550 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:40,551 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] [2021-01-06 19:02:40,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 19:02:40,551 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:40,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:40,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1425530412, now seen corresponding path program 1 times [2021-01-06 19:02:40,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:40,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715576988] [2021-01-06 19:02:40,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:40,628 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 19:02:40,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715576988] [2021-01-06 19:02:40,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:40,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:40,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524679463] [2021-01-06 19:02:40,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:40,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:40,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:40,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:40,630 INFO L87 Difference]: Start difference. First operand 3016 states and 5456 transitions. Second operand 3 states. [2021-01-06 19:02:40,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:40,978 INFO L93 Difference]: Finished difference Result 8134 states and 14744 transitions. [2021-01-06 19:02:40,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:40,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2021-01-06 19:02:40,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:41,009 INFO L225 Difference]: With dead ends: 8134 [2021-01-06 19:02:41,009 INFO L226 Difference]: Without dead ends: 5287 [2021-01-06 19:02:41,016 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 19:02:41,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5287 states. [2021-01-06 19:02:41,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5287 to 5170. [2021-01-06 19:02:41,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5170 states. [2021-01-06 19:02:41,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 5170 states and 9361 transitions. [2021-01-06 19:02:41,390 INFO L78 Accepts]: Start accepts. Automaton has 5170 states and 9361 transitions. Word has length 95 [2021-01-06 19:02:41,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:41,392 INFO L481 AbstractCegarLoop]: Abstraction has 5170 states and 9361 transitions. [2021-01-06 19:02:41,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:41,392 INFO L276 IsEmpty]: Start isEmpty. Operand 5170 states and 9361 transitions. [2021-01-06 19:02:41,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-06 19:02:41,409 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:41,409 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] [2021-01-06 19:02:41,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 19:02:41,410 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:41,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:41,410 INFO L82 PathProgramCache]: Analyzing trace with hash -90485196, now seen corresponding path program 1 times [2021-01-06 19:02:41,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:41,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948117790] [2021-01-06 19:02:41,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:41,492 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 19:02:41,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948117790] [2021-01-06 19:02:41,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:41,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:41,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256298779] [2021-01-06 19:02:41,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:41,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:41,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:41,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:41,496 INFO L87 Difference]: Start difference. First operand 5170 states and 9361 transitions. Second operand 3 states. [2021-01-06 19:02:42,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:42,109 INFO L93 Difference]: Finished difference Result 15054 states and 27301 transitions. [2021-01-06 19:02:42,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:42,110 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2021-01-06 19:02:42,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:42,157 INFO L225 Difference]: With dead ends: 15054 [2021-01-06 19:02:42,157 INFO L226 Difference]: Without dead ends: 10057 [2021-01-06 19:02:42,168 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 19:02:42,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10057 states. [2021-01-06 19:02:42,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10057 to 9940. [2021-01-06 19:02:42,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9940 states. [2021-01-06 19:02:42,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9940 states to 9940 states and 18002 transitions. [2021-01-06 19:02:42,865 INFO L78 Accepts]: Start accepts. Automaton has 9940 states and 18002 transitions. Word has length 96 [2021-01-06 19:02:42,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:42,866 INFO L481 AbstractCegarLoop]: Abstraction has 9940 states and 18002 transitions. [2021-01-06 19:02:42,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:42,866 INFO L276 IsEmpty]: Start isEmpty. Operand 9940 states and 18002 transitions. [2021-01-06 19:02:42,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-01-06 19:02:42,888 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:42,889 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] [2021-01-06 19:02:42,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 19:02:42,889 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:42,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:42,890 INFO L82 PathProgramCache]: Analyzing trace with hash 95667267, now seen corresponding path program 1 times [2021-01-06 19:02:42,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:42,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740086703] [2021-01-06 19:02:42,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:43,028 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 19:02:43,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740086703] [2021-01-06 19:02:43,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:43,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:43,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907637565] [2021-01-06 19:02:43,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:43,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:43,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:43,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:43,036 INFO L87 Difference]: Start difference. First operand 9940 states and 18002 transitions. Second operand 3 states. [2021-01-06 19:02:44,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:44,189 INFO L93 Difference]: Finished difference Result 29066 states and 52699 transitions. [2021-01-06 19:02:44,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:44,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2021-01-06 19:02:44,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:44,254 INFO L225 Difference]: With dead ends: 29066 [2021-01-06 19:02:44,255 INFO L226 Difference]: Without dead ends: 19307 [2021-01-06 19:02:44,276 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 19:02:44,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19307 states. [2021-01-06 19:02:45,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19307 to 19190. [2021-01-06 19:02:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19190 states. [2021-01-06 19:02:45,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19190 states to 19190 states and 34739 transitions. [2021-01-06 19:02:45,638 INFO L78 Accepts]: Start accepts. Automaton has 19190 states and 34739 transitions. Word has length 97 [2021-01-06 19:02:45,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:45,639 INFO L481 AbstractCegarLoop]: Abstraction has 19190 states and 34739 transitions. [2021-01-06 19:02:45,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:45,639 INFO L276 IsEmpty]: Start isEmpty. Operand 19190 states and 34739 transitions. [2021-01-06 19:02:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-01-06 19:02:45,670 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:45,671 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] [2021-01-06 19:02:45,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 19:02:45,671 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:45,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:45,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1543094006, now seen corresponding path program 1 times [2021-01-06 19:02:45,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:45,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912159377] [2021-01-06 19:02:45,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:45,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:45,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912159377] [2021-01-06 19:02:45,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:45,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:45,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663768201] [2021-01-06 19:02:45,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:45,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:45,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:45,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:45,762 INFO L87 Difference]: Start difference. First operand 19190 states and 34739 transitions. Second operand 3 states. [2021-01-06 19:02:47,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:47,581 INFO L93 Difference]: Finished difference Result 57002 states and 103224 transitions. [2021-01-06 19:02:47,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:47,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2021-01-06 19:02:47,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:47,725 INFO L225 Difference]: With dead ends: 57002 [2021-01-06 19:02:47,725 INFO L226 Difference]: Without dead ends: 37997 [2021-01-06 19:02:47,762 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 19:02:47,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37997 states. [2021-01-06 19:02:49,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37997 to 37880. [2021-01-06 19:02:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37880 states. [2021-01-06 19:02:49,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37880 states to 37880 states and 68468 transitions. [2021-01-06 19:02:49,864 INFO L78 Accepts]: Start accepts. Automaton has 37880 states and 68468 transitions. Word has length 98 [2021-01-06 19:02:49,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:49,865 INFO L481 AbstractCegarLoop]: Abstraction has 37880 states and 68468 transitions. [2021-01-06 19:02:49,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:49,865 INFO L276 IsEmpty]: Start isEmpty. Operand 37880 states and 68468 transitions. [2021-01-06 19:02:49,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 19:02:49,915 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:49,915 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] [2021-01-06 19:02:49,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 19:02:49,916 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:49,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:49,916 INFO L82 PathProgramCache]: Analyzing trace with hash 287811018, now seen corresponding path program 1 times [2021-01-06 19:02:49,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:49,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491820315] [2021-01-06 19:02:49,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:50,004 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 19:02:50,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491820315] [2021-01-06 19:02:50,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:50,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:02:50,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419346719] [2021-01-06 19:02:50,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:50,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:50,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:50,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:50,007 INFO L87 Difference]: Start difference. First operand 37880 states and 68468 transitions. Second operand 5 states. [2021-01-06 19:02:53,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:53,088 INFO L93 Difference]: Finished difference Result 111343 states and 201217 transitions. [2021-01-06 19:02:53,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:02:53,088 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2021-01-06 19:02:53,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:53,298 INFO L225 Difference]: With dead ends: 111343 [2021-01-06 19:02:53,299 INFO L226 Difference]: Without dead ends: 73716 [2021-01-06 19:02:53,379 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 19:02:53,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73716 states. [2021-01-06 19:02:55,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73716 to 37880. [2021-01-06 19:02:55,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37880 states. [2021-01-06 19:02:55,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37880 states to 37880 states and 68210 transitions. [2021-01-06 19:02:55,904 INFO L78 Accepts]: Start accepts. Automaton has 37880 states and 68210 transitions. Word has length 99 [2021-01-06 19:02:55,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:55,904 INFO L481 AbstractCegarLoop]: Abstraction has 37880 states and 68210 transitions. [2021-01-06 19:02:55,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:02:55,904 INFO L276 IsEmpty]: Start isEmpty. Operand 37880 states and 68210 transitions. [2021-01-06 19:02:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 19:02:55,939 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:55,939 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] [2021-01-06 19:02:55,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 19:02:55,939 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:55,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:55,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1412268392, now seen corresponding path program 2 times [2021-01-06 19:02:55,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:55,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523825122] [2021-01-06 19:02:55,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:56,016 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 19:02:56,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523825122] [2021-01-06 19:02:56,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:56,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:02:56,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312825023] [2021-01-06 19:02:56,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:56,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:56,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:56,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:56,020 INFO L87 Difference]: Start difference. First operand 37880 states and 68210 transitions. Second operand 5 states. [2021-01-06 19:02:57,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:57,713 INFO L93 Difference]: Finished difference Result 75618 states and 136178 transitions. [2021-01-06 19:02:57,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:02:57,714 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2021-01-06 19:02:57,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:57,772 INFO L225 Difference]: With dead ends: 75618 [2021-01-06 19:02:57,772 INFO L226 Difference]: Without dead ends: 37997 [2021-01-06 19:02:57,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:02:57,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37997 states. [2021-01-06 19:02:59,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37997 to 37880. [2021-01-06 19:02:59,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37880 states. [2021-01-06 19:02:59,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37880 states to 37880 states and 68082 transitions. [2021-01-06 19:02:59,742 INFO L78 Accepts]: Start accepts. Automaton has 37880 states and 68082 transitions. Word has length 99 [2021-01-06 19:02:59,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:59,743 INFO L481 AbstractCegarLoop]: Abstraction has 37880 states and 68082 transitions. [2021-01-06 19:02:59,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:02:59,743 INFO L276 IsEmpty]: Start isEmpty. Operand 37880 states and 68082 transitions. [2021-01-06 19:02:59,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 19:02:59,771 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:59,772 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] [2021-01-06 19:02:59,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 19:02:59,772 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:59,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:59,772 INFO L82 PathProgramCache]: Analyzing trace with hash 202704533, now seen corresponding path program 1 times [2021-01-06 19:02:59,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:59,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204904809] [2021-01-06 19:02:59,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:59,844 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 19:02:59,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204904809] [2021-01-06 19:02:59,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:59,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:59,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803755728] [2021-01-06 19:02:59,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:59,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:59,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:59,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:59,846 INFO L87 Difference]: Start difference. First operand 37880 states and 68082 transitions. Second operand 3 states. [2021-01-06 19:03:02,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:02,647 INFO L93 Difference]: Finished difference Result 105228 states and 188860 transitions. [2021-01-06 19:03:02,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:02,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2021-01-06 19:03:02,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:02,766 INFO L225 Difference]: With dead ends: 105228 [2021-01-06 19:03:02,766 INFO L226 Difference]: Without dead ends: 67567 [2021-01-06 19:03:02,799 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:02,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67567 states. [2021-01-06 19:03:05,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67567 to 67450. [2021-01-06 19:03:05,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67450 states. [2021-01-06 19:03:06,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67450 states to 67450 states and 120691 transitions. [2021-01-06 19:03:06,121 INFO L78 Accepts]: Start accepts. Automaton has 67450 states and 120691 transitions. Word has length 99 [2021-01-06 19:03:06,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:06,123 INFO L481 AbstractCegarLoop]: Abstraction has 67450 states and 120691 transitions. [2021-01-06 19:03:06,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:06,123 INFO L276 IsEmpty]: Start isEmpty. Operand 67450 states and 120691 transitions. [2021-01-06 19:03:06,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-01-06 19:03:06,354 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:06,354 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] [2021-01-06 19:03:06,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 19:03:06,354 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:06,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:06,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1055661358, now seen corresponding path program 1 times [2021-01-06 19:03:06,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:06,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992448012] [2021-01-06 19:03:06,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:06,655 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 19:03:06,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992448012] [2021-01-06 19:03:06,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:06,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:03:06,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296633214] [2021-01-06 19:03:06,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:03:06,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:06,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:03:06,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:03:06,660 INFO L87 Difference]: Start difference. First operand 67450 states and 120691 transitions. Second operand 9 states. [2021-01-06 19:03:12,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:12,754 INFO L93 Difference]: Finished difference Result 135280 states and 241971 transitions. [2021-01-06 19:03:12,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 19:03:12,757 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 100 [2021-01-06 19:03:12,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:13,021 INFO L225 Difference]: With dead ends: 135280 [2021-01-06 19:03:13,021 INFO L226 Difference]: Without dead ends: 135183 [2021-01-06 19:03:13,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2021-01-06 19:03:13,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135183 states. [2021-01-06 19:03:18,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135183 to 134697. [2021-01-06 19:03:18,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134697 states. [2021-01-06 19:03:19,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134697 states to 134697 states and 241048 transitions. [2021-01-06 19:03:19,305 INFO L78 Accepts]: Start accepts. Automaton has 134697 states and 241048 transitions. Word has length 100 [2021-01-06 19:03:19,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:19,305 INFO L481 AbstractCegarLoop]: Abstraction has 134697 states and 241048 transitions. [2021-01-06 19:03:19,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:03:19,306 INFO L276 IsEmpty]: Start isEmpty. Operand 134697 states and 241048 transitions. [2021-01-06 19:03:19,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-01-06 19:03:19,398 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:19,398 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] [2021-01-06 19:03:19,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 19:03:19,399 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:19,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:19,399 INFO L82 PathProgramCache]: Analyzing trace with hash -857070940, now seen corresponding path program 1 times [2021-01-06 19:03:19,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:19,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531684041] [2021-01-06 19:03:19,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:19,740 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 19:03:19,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531684041] [2021-01-06 19:03:19,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:19,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:03:19,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292915287] [2021-01-06 19:03:19,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:03:19,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:19,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:03:19,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:03:19,745 INFO L87 Difference]: Start difference. First operand 134697 states and 241048 transitions. Second operand 4 states. [2021-01-06 19:03:24,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:24,378 INFO L93 Difference]: Finished difference Result 134857 states and 241303 transitions. [2021-01-06 19:03:24,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:03:24,380 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2021-01-06 19:03:24,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:24,675 INFO L225 Difference]: With dead ends: 134857 [2021-01-06 19:03:24,675 INFO L226 Difference]: Without dead ends: 134745 [2021-01-06 19:03:24,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:24,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134745 states. [2021-01-06 19:03:30,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134745 to 134696. [2021-01-06 19:03:30,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134696 states. [2021-01-06 19:03:30,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134696 states to 134696 states and 241044 transitions. [2021-01-06 19:03:30,826 INFO L78 Accepts]: Start accepts. Automaton has 134696 states and 241044 transitions. Word has length 101 [2021-01-06 19:03:30,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:30,827 INFO L481 AbstractCegarLoop]: Abstraction has 134696 states and 241044 transitions. [2021-01-06 19:03:30,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:03:30,827 INFO L276 IsEmpty]: Start isEmpty. Operand 134696 states and 241044 transitions. [2021-01-06 19:03:30,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 19:03:30,901 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:30,902 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] [2021-01-06 19:03:30,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 19:03:30,902 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:30,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:30,903 INFO L82 PathProgramCache]: Analyzing trace with hash 668528327, now seen corresponding path program 1 times [2021-01-06 19:03:30,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:30,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100929624] [2021-01-06 19:03:30,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:30,988 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 19:03:30,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100929624] [2021-01-06 19:03:30,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:30,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:03:30,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455819614] [2021-01-06 19:03:30,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:03:30,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:30,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:03:30,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:03:30,990 INFO L87 Difference]: Start difference. First operand 134696 states and 241044 transitions. Second operand 6 states. [2021-01-06 19:03:36,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:36,135 INFO L93 Difference]: Finished difference Result 134882 states and 241341 transitions. [2021-01-06 19:03:36,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:03:36,136 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2021-01-06 19:03:36,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:36,365 INFO L225 Difference]: With dead ends: 134882 [2021-01-06 19:03:36,365 INFO L226 Difference]: Without dead ends: 134706 [2021-01-06 19:03:36,392 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:03:36,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134706 states. [2021-01-06 19:03:42,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134706 to 134684. [2021-01-06 19:03:42,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134684 states. [2021-01-06 19:03:42,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134684 states to 134684 states and 241017 transitions. [2021-01-06 19:03:42,659 INFO L78 Accepts]: Start accepts. Automaton has 134684 states and 241017 transitions. Word has length 102 [2021-01-06 19:03:42,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:42,660 INFO L481 AbstractCegarLoop]: Abstraction has 134684 states and 241017 transitions. [2021-01-06 19:03:42,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:03:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 134684 states and 241017 transitions. [2021-01-06 19:03:43,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 19:03:43,020 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:43,020 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] [2021-01-06 19:03:43,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 19:03:43,021 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:43,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:43,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1563165307, now seen corresponding path program 1 times [2021-01-06 19:03:43,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:43,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166160880] [2021-01-06 19:03:43,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:43,177 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 19:03:43,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166160880] [2021-01-06 19:03:43,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:43,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:03:43,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682088553] [2021-01-06 19:03:43,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:03:43,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:43,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:03:43,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:03:43,179 INFO L87 Difference]: Start difference. First operand 134684 states and 241017 transitions. Second operand 9 states. [2021-01-06 19:03:53,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:53,934 INFO L93 Difference]: Finished difference Result 270046 states and 483058 transitions. [2021-01-06 19:03:53,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-01-06 19:03:53,935 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2021-01-06 19:03:53,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:54,779 INFO L225 Difference]: With dead ends: 270046 [2021-01-06 19:03:54,779 INFO L226 Difference]: Without dead ends: 269882 [2021-01-06 19:03:54,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=337, Unknown=0, NotChecked=0, Total=506 [2021-01-06 19:03:55,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269882 states. [2021-01-06 19:04:07,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269882 to 269083. [2021-01-06 19:04:07,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269083 states. [2021-01-06 19:04:08,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269083 states to 269083 states and 481557 transitions. [2021-01-06 19:04:08,341 INFO L78 Accepts]: Start accepts. Automaton has 269083 states and 481557 transitions. Word has length 102 [2021-01-06 19:04:08,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:08,341 INFO L481 AbstractCegarLoop]: Abstraction has 269083 states and 481557 transitions. [2021-01-06 19:04:08,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:04:08,342 INFO L276 IsEmpty]: Start isEmpty. Operand 269083 states and 481557 transitions. [2021-01-06 19:04:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 19:04:08,452 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:08,452 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] [2021-01-06 19:04:08,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 19:04:08,452 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:04:08,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:08,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1838315651, now seen corresponding path program 1 times [2021-01-06 19:04:08,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:08,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600804542] [2021-01-06 19:04:08,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:08,616 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 19:04:08,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600804542] [2021-01-06 19:04:08,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:08,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 19:04:08,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593012643] [2021-01-06 19:04:08,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 19:04:08,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:08,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 19:04:08,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:04:08,618 INFO L87 Difference]: Start difference. First operand 269083 states and 481557 transitions. Second operand 10 states. [2021-01-06 19:04:20,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:20,240 INFO L93 Difference]: Finished difference Result 270381 states and 483595 transitions. [2021-01-06 19:04:20,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-01-06 19:04:20,241 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 102 [2021-01-06 19:04:20,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:21,481 INFO L225 Difference]: With dead ends: 270381 [2021-01-06 19:04:21,481 INFO L226 Difference]: Without dead ends: 270190 [2021-01-06 19:04:21,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2021-01-06 19:04:21,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270190 states. [2021-01-06 19:04:36,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270190 to 269107. [2021-01-06 19:04:36,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269107 states. [2021-01-06 19:04:37,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269107 states to 269107 states and 481589 transitions. [2021-01-06 19:04:37,449 INFO L78 Accepts]: Start accepts. Automaton has 269107 states and 481589 transitions. Word has length 102 [2021-01-06 19:04:37,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:37,449 INFO L481 AbstractCegarLoop]: Abstraction has 269107 states and 481589 transitions. [2021-01-06 19:04:37,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 19:04:37,449 INFO L276 IsEmpty]: Start isEmpty. Operand 269107 states and 481589 transitions. [2021-01-06 19:04:37,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-06 19:04:37,592 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:37,592 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] [2021-01-06 19:04:37,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 19:04:37,593 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:04:37,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:37,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1876767565, now seen corresponding path program 1 times [2021-01-06 19:04:37,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:37,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584748060] [2021-01-06 19:04:37,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:37,741 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 19:04:37,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584748060] [2021-01-06 19:04:37,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:37,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:04:37,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816204837] [2021-01-06 19:04:37,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 19:04:37,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:37,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 19:04:37,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:04:37,743 INFO L87 Difference]: Start difference. First operand 269107 states and 481589 transitions. Second operand 8 states. [2021-01-06 19:04:48,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:48,385 INFO L93 Difference]: Finished difference Result 269439 states and 482117 transitions. [2021-01-06 19:04:48,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-06 19:04:48,385 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2021-01-06 19:04:48,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:49,174 INFO L225 Difference]: With dead ends: 269439 [2021-01-06 19:04:49,174 INFO L226 Difference]: Without dead ends: 269096 [2021-01-06 19:04:49,252 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-01-06 19:04:49,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269096 states. [2021-01-06 19:05:01,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269096 to 269064. [2021-01-06 19:05:01,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269064 states. [2021-01-06 19:05:02,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269064 states to 269064 states and 481513 transitions. [2021-01-06 19:05:02,723 INFO L78 Accepts]: Start accepts. Automaton has 269064 states and 481513 transitions. Word has length 103 [2021-01-06 19:05:02,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:05:02,724 INFO L481 AbstractCegarLoop]: Abstraction has 269064 states and 481513 transitions. [2021-01-06 19:05:02,724 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 19:05:02,724 INFO L276 IsEmpty]: Start isEmpty. Operand 269064 states and 481513 transitions. [2021-01-06 19:05:02,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-06 19:05:02,819 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:05:02,819 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] [2021-01-06 19:05:02,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 19:05:02,820 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:05:02,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:05:02,820 INFO L82 PathProgramCache]: Analyzing trace with hash -481819011, now seen corresponding path program 1 times [2021-01-06 19:05:02,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:05:02,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591413864] [2021-01-06 19:05:02,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:05:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:05:03,522 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 19:05:03,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591413864] [2021-01-06 19:05:03,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:05:03,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 19:05:03,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111944386] [2021-01-06 19:05:03,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 19:05:03,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:05:03,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 19:05:03,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:05:03,524 INFO L87 Difference]: Start difference. First operand 269064 states and 481513 transitions. Second operand 11 states. [2021-01-06 19:05:14,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:05:14,158 INFO L93 Difference]: Finished difference Result 269366 states and 481975 transitions. [2021-01-06 19:05:14,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-06 19:05:14,158 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 103 [2021-01-06 19:05:14,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:05:14,803 INFO L225 Difference]: With dead ends: 269366 [2021-01-06 19:05:14,804 INFO L226 Difference]: Without dead ends: 269267 [2021-01-06 19:05:14,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2021-01-06 19:05:15,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269267 states. [2021-01-06 19:05:29,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269267 to 269064. [2021-01-06 19:05:29,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269064 states. [2021-01-06 19:05:31,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269064 states to 269064 states and 481509 transitions. [2021-01-06 19:05:31,077 INFO L78 Accepts]: Start accepts. Automaton has 269064 states and 481509 transitions. Word has length 103 [2021-01-06 19:05:31,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:05:31,077 INFO L481 AbstractCegarLoop]: Abstraction has 269064 states and 481509 transitions. [2021-01-06 19:05:31,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 19:05:31,077 INFO L276 IsEmpty]: Start isEmpty. Operand 269064 states and 481509 transitions. [2021-01-06 19:05:31,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-01-06 19:05:31,189 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:05:31,189 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] [2021-01-06 19:05:31,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 19:05:31,190 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:05:31,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:05:31,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1276829825, now seen corresponding path program 1 times [2021-01-06 19:05:31,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:05:31,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432290969] [2021-01-06 19:05:31,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:05:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:05:31,317 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 19:05:31,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432290969] [2021-01-06 19:05:31,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:05:31,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:05:31,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863629795] [2021-01-06 19:05:31,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 19:05:31,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:05:31,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 19:05:31,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:05:31,319 INFO L87 Difference]: Start difference. First operand 269064 states and 481509 transitions. Second operand 8 states. [2021-01-06 19:05:47,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:05:47,790 INFO L93 Difference]: Finished difference Result 402926 states and 720436 transitions. [2021-01-06 19:05:47,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-06 19:05:47,791 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2021-01-06 19:05:47,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:05:48,801 INFO L225 Difference]: With dead ends: 402926 [2021-01-06 19:05:48,802 INFO L226 Difference]: Without dead ends: 402859 [2021-01-06 19:05:48,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2021-01-06 19:05:49,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402859 states.