/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-dcfa08f [2020-12-23 09:08:50,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:08:50,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:08:50,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:08:50,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:08:50,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:08:50,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:08:50,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:08:50,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:08:50,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:08:50,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:08:50,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:08:50,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:08:50,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:08:50,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:08:50,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:08:50,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:08:50,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:08:50,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:08:50,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:08:50,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:08:50,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:08:50,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:08:50,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:08:50,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:08:50,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:08:50,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:08:50,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:08:50,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:08:50,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:08:50,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:08:50,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:08:50,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:08:50,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:08:50,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:08:50,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:08:50,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:08:50,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:08:50,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:08:50,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:08:50,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:08:50,450 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:08:50,518 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:08:50,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:08:50,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:08:50,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:08:50,523 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:08:50,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:08:50,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:08:50,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:08:50,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:08:50,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:08:50,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:08:50,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:08:50,526 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:08:50,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:08:50,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:08:50,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:08:50,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:08:50,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:08:50,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:08:50,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:08:50,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:08:50,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:08:50,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:08:50,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:08:50,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:08:50,529 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:08:50,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:08:50,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:08:50,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:08:50,921 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:08:50,922 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:08:50,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product15.cil.c [2020-12-23 09:08:51,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e20648932/9b992a5a9353414da67b19173a9097ed/FLAG69eee44ac [2020-12-23 09:08:51,653 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:08:51,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product15.cil.c [2020-12-23 09:08:51,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e20648932/9b992a5a9353414da67b19173a9097ed/FLAG69eee44ac [2020-12-23 09:08:51,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e20648932/9b992a5a9353414da67b19173a9097ed [2020-12-23 09:08:51,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:08:51,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:08:51,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:08:51,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:08:51,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:08:51,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:08:51" (1/1) ... [2020-12-23 09:08:51,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e8a4c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:51, skipping insertion in model container [2020-12-23 09:08:51,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:08:51" (1/1) ... [2020-12-23 09:08:51,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:08:51,987 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,] [2020-12-23 09:08:52,553 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,] [2020-12-23 09:08:52,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:08:52,653 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,] [2020-12-23 09:08:52,785 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,] [2020-12-23 09:08:52,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:08:52,908 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:08:52,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:52 WrapperNode [2020-12-23 09:08:52,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:08:52,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:08:52,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:08:52,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:08:52,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:52" (1/1) ... [2020-12-23 09:08:52,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:52" (1/1) ... [2020-12-23 09:08:53,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:08:53,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:08:53,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:08:53,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:08:53,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:52" (1/1) ... [2020-12-23 09:08:53,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:52" (1/1) ... [2020-12-23 09:08:53,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:52" (1/1) ... [2020-12-23 09:08:53,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:52" (1/1) ... [2020-12-23 09:08:53,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:52" (1/1) ... [2020-12-23 09:08:53,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:52" (1/1) ... [2020-12-23 09:08:53,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:52" (1/1) ... [2020-12-23 09:08:53,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:08:53,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:08:53,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:08:53,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:08:53,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:08:53,264 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 09:08:53,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:08:53,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:08:53,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:08:53,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:08:55,467 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:08:55,467 INFO L299 CfgBuilder]: Removed 259 assume(true) statements. [2020-12-23 09:08:55,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:08:55 BoogieIcfgContainer [2020-12-23 09:08:55,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:08:55,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:08:55,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:08:55,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:08:55,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:08:51" (1/3) ... [2020-12-23 09:08:55,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc4b989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:08:55, skipping insertion in model container [2020-12-23 09:08:55,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:52" (2/3) ... [2020-12-23 09:08:55,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc4b989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:08:55, skipping insertion in model container [2020-12-23 09:08:55,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:08:55" (3/3) ... [2020-12-23 09:08:55,479 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product15.cil.c [2020-12-23 09:08:55,486 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:08:55,492 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 09:08:55,511 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 09:08:55,541 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:08:55,541 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:08:55,542 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:08:55,542 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:08:55,542 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:08:55,542 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:08:55,542 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:08:55,542 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:08:55,567 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states. [2020-12-23 09:08:55,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 09:08:55,579 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:55,580 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:08:55,581 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:55,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:55,587 INFO L82 PathProgramCache]: Analyzing trace with hash 827013746, now seen corresponding path program 1 times [2020-12-23 09:08:55,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:55,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953226034] [2020-12-23 09:08:55,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:56,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:56,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953226034] [2020-12-23 09:08:56,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:56,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:56,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663143706] [2020-12-23 09:08:56,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:56,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:56,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:56,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:56,067 INFO L87 Difference]: Start difference. First operand 411 states. Second operand 3 states. [2020-12-23 09:08:56,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:56,215 INFO L93 Difference]: Finished difference Result 1198 states and 2102 transitions. [2020-12-23 09:08:56,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:56,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-12-23 09:08:56,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:56,267 INFO L225 Difference]: With dead ends: 1198 [2020-12-23 09:08:56,269 INFO L226 Difference]: Without dead ends: 710 [2020-12-23 09:08:56,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:56,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2020-12-23 09:08:56,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 364. [2020-12-23 09:08:56,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-12-23 09:08:56,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 635 transitions. [2020-12-23 09:08:56,386 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 635 transitions. Word has length 41 [2020-12-23 09:08:56,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:56,386 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 635 transitions. [2020-12-23 09:08:56,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:56,387 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 635 transitions. [2020-12-23 09:08:56,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-23 09:08:56,396 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:56,397 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] [2020-12-23 09:08:56,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:08:56,398 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:56,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:56,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1561724417, now seen corresponding path program 1 times [2020-12-23 09:08:56,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:56,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663228] [2020-12-23 09:08:56,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:56,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663228] [2020-12-23 09:08:56,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:56,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:08:56,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668354866] [2020-12-23 09:08:56,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:08:56,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:56,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:08:56,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:08:56,614 INFO L87 Difference]: Start difference. First operand 364 states and 635 transitions. Second operand 5 states. [2020-12-23 09:08:56,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:56,798 INFO L93 Difference]: Finished difference Result 1041 states and 1821 transitions. [2020-12-23 09:08:56,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:08:56,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2020-12-23 09:08:56,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:56,803 INFO L225 Difference]: With dead ends: 1041 [2020-12-23 09:08:56,803 INFO L226 Difference]: Without dead ends: 696 [2020-12-23 09:08:56,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:08:56,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-12-23 09:08:56,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 364. [2020-12-23 09:08:56,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-12-23 09:08:56,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 634 transitions. [2020-12-23 09:08:56,824 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 634 transitions. Word has length 43 [2020-12-23 09:08:56,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:56,824 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 634 transitions. [2020-12-23 09:08:56,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:08:56,825 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 634 transitions. [2020-12-23 09:08:56,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 09:08:56,826 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:56,826 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] [2020-12-23 09:08:56,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:08:56,827 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:56,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:56,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1671434094, now seen corresponding path program 1 times [2020-12-23 09:08:56,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:56,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330952137] [2020-12-23 09:08:56,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:56,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:56,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330952137] [2020-12-23 09:08:56,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:56,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:56,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388150038] [2020-12-23 09:08:56,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:56,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:56,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:56,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:56,960 INFO L87 Difference]: Start difference. First operand 364 states and 634 transitions. Second operand 3 states. [2020-12-23 09:08:57,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:57,002 INFO L93 Difference]: Finished difference Result 710 states and 1242 transitions. [2020-12-23 09:08:57,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:57,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-12-23 09:08:57,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:57,006 INFO L225 Difference]: With dead ends: 710 [2020-12-23 09:08:57,006 INFO L226 Difference]: Without dead ends: 369 [2020-12-23 09:08:57,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:57,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-12-23 09:08:57,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 364. [2020-12-23 09:08:57,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-12-23 09:08:57,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 633 transitions. [2020-12-23 09:08:57,028 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 633 transitions. Word has length 44 [2020-12-23 09:08:57,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:57,035 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 633 transitions. [2020-12-23 09:08:57,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:57,035 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 633 transitions. [2020-12-23 09:08:57,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 09:08:57,037 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:57,038 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:08:57,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:08:57,038 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:57,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:57,039 INFO L82 PathProgramCache]: Analyzing trace with hash 2033694732, now seen corresponding path program 1 times [2020-12-23 09:08:57,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:57,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26631202] [2020-12-23 09:08:57,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:57,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:57,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26631202] [2020-12-23 09:08:57,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:57,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:57,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971121466] [2020-12-23 09:08:57,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:57,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:57,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:57,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:57,162 INFO L87 Difference]: Start difference. First operand 364 states and 633 transitions. Second operand 3 states. [2020-12-23 09:08:57,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:57,205 INFO L93 Difference]: Finished difference Result 720 states and 1255 transitions. [2020-12-23 09:08:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:57,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-23 09:08:57,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:57,208 INFO L225 Difference]: With dead ends: 720 [2020-12-23 09:08:57,208 INFO L226 Difference]: Without dead ends: 364 [2020-12-23 09:08:57,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:57,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-12-23 09:08:57,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2020-12-23 09:08:57,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-12-23 09:08:57,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 631 transitions. [2020-12-23 09:08:57,226 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 631 transitions. Word has length 45 [2020-12-23 09:08:57,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:57,227 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 631 transitions. [2020-12-23 09:08:57,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:57,227 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 631 transitions. [2020-12-23 09:08:57,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-23 09:08:57,228 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:57,228 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] [2020-12-23 09:08:57,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:08:57,228 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:57,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:57,229 INFO L82 PathProgramCache]: Analyzing trace with hash 99112535, now seen corresponding path program 1 times [2020-12-23 09:08:57,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:57,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680366611] [2020-12-23 09:08:57,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:57,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:57,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680366611] [2020-12-23 09:08:57,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:57,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:08:57,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574851187] [2020-12-23 09:08:57,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:08:57,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:57,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:08:57,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:08:57,351 INFO L87 Difference]: Start difference. First operand 364 states and 631 transitions. Second operand 5 states. [2020-12-23 09:08:57,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:57,521 INFO L93 Difference]: Finished difference Result 1031 states and 1801 transitions. [2020-12-23 09:08:57,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:08:57,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2020-12-23 09:08:57,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:57,526 INFO L225 Difference]: With dead ends: 1031 [2020-12-23 09:08:57,526 INFO L226 Difference]: Without dead ends: 694 [2020-12-23 09:08:57,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:08:57,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2020-12-23 09:08:57,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 364. [2020-12-23 09:08:57,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-12-23 09:08:57,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 630 transitions. [2020-12-23 09:08:57,553 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 630 transitions. Word has length 46 [2020-12-23 09:08:57,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:57,555 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 630 transitions. [2020-12-23 09:08:57,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:08:57,556 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 630 transitions. [2020-12-23 09:08:57,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 09:08:57,558 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:57,558 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:08:57,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:08:57,559 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:57,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:57,559 INFO L82 PathProgramCache]: Analyzing trace with hash -662962732, now seen corresponding path program 1 times [2020-12-23 09:08:57,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:57,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850211783] [2020-12-23 09:08:57,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:57,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:57,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850211783] [2020-12-23 09:08:57,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:57,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:08:57,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354813899] [2020-12-23 09:08:57,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:08:57,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:57,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:08:57,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:08:57,678 INFO L87 Difference]: Start difference. First operand 364 states and 630 transitions. Second operand 5 states. [2020-12-23 09:08:57,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:57,839 INFO L93 Difference]: Finished difference Result 1036 states and 1806 transitions. [2020-12-23 09:08:57,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:08:57,840 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-12-23 09:08:57,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:57,844 INFO L225 Difference]: With dead ends: 1036 [2020-12-23 09:08:57,844 INFO L226 Difference]: Without dead ends: 699 [2020-12-23 09:08:57,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:08:57,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-12-23 09:08:57,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 364. [2020-12-23 09:08:57,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-12-23 09:08:57,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 629 transitions. [2020-12-23 09:08:57,867 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 629 transitions. Word has length 47 [2020-12-23 09:08:57,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:57,868 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 629 transitions. [2020-12-23 09:08:57,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:08:57,868 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 629 transitions. [2020-12-23 09:08:57,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 09:08:57,869 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:57,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:08:57,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:08:57,869 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:57,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:57,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1995610556, now seen corresponding path program 1 times [2020-12-23 09:08:57,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:57,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015311565] [2020-12-23 09:08:57,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:57,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:57,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015311565] [2020-12-23 09:08:57,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:57,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:57,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777926942] [2020-12-23 09:08:57,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:57,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:57,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:57,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:57,943 INFO L87 Difference]: Start difference. First operand 364 states and 629 transitions. Second operand 3 states. [2020-12-23 09:08:57,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:57,971 INFO L93 Difference]: Finished difference Result 490 states and 834 transitions. [2020-12-23 09:08:57,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:57,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 09:08:57,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:57,974 INFO L225 Difference]: With dead ends: 490 [2020-12-23 09:08:57,974 INFO L226 Difference]: Without dead ends: 367 [2020-12-23 09:08:57,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:57,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2020-12-23 09:08:57,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 366. [2020-12-23 09:08:57,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-12-23 09:08:57,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 631 transitions. [2020-12-23 09:08:57,999 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 631 transitions. Word has length 48 [2020-12-23 09:08:57,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:57,999 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 631 transitions. [2020-12-23 09:08:57,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:57,999 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 631 transitions. [2020-12-23 09:08:58,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 09:08:58,001 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:58,001 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] [2020-12-23 09:08:58,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:08:58,001 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:58,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:58,002 INFO L82 PathProgramCache]: Analyzing trace with hash -520481138, now seen corresponding path program 1 times [2020-12-23 09:08:58,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:58,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566606235] [2020-12-23 09:08:58,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:58,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:58,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566606235] [2020-12-23 09:08:58,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:58,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:58,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865220486] [2020-12-23 09:08:58,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:58,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:58,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:58,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:58,064 INFO L87 Difference]: Start difference. First operand 366 states and 631 transitions. Second operand 3 states. [2020-12-23 09:08:58,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:58,115 INFO L93 Difference]: Finished difference Result 984 states and 1717 transitions. [2020-12-23 09:08:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:58,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-12-23 09:08:58,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:58,120 INFO L225 Difference]: With dead ends: 984 [2020-12-23 09:08:58,120 INFO L226 Difference]: Without dead ends: 649 [2020-12-23 09:08:58,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:58,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2020-12-23 09:08:58,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 526. [2020-12-23 09:08:58,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-12-23 09:08:58,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 924 transitions. [2020-12-23 09:08:58,158 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 924 transitions. Word has length 56 [2020-12-23 09:08:58,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:58,158 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 924 transitions. [2020-12-23 09:08:58,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:58,159 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 924 transitions. [2020-12-23 09:08:58,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 09:08:58,160 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:58,160 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] [2020-12-23 09:08:58,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:08:58,161 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:58,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:58,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1664485263, now seen corresponding path program 1 times [2020-12-23 09:08:58,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:58,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939293966] [2020-12-23 09:08:58,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:58,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:58,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939293966] [2020-12-23 09:08:58,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:58,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:08:58,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884536497] [2020-12-23 09:08:58,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:08:58,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:58,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:08:58,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:08:58,245 INFO L87 Difference]: Start difference. First operand 526 states and 924 transitions. Second operand 5 states. [2020-12-23 09:08:58,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:58,474 INFO L93 Difference]: Finished difference Result 1508 states and 2678 transitions. [2020-12-23 09:08:58,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:08:58,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-12-23 09:08:58,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:58,482 INFO L225 Difference]: With dead ends: 1508 [2020-12-23 09:08:58,482 INFO L226 Difference]: Without dead ends: 1013 [2020-12-23 09:08:58,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:08:58,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2020-12-23 09:08:58,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 526. [2020-12-23 09:08:58,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-12-23 09:08:58,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 922 transitions. [2020-12-23 09:08:58,529 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 922 transitions. Word has length 57 [2020-12-23 09:08:58,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:58,530 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 922 transitions. [2020-12-23 09:08:58,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:08:58,530 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 922 transitions. [2020-12-23 09:08:58,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 09:08:58,531 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:58,531 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] [2020-12-23 09:08:58,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:08:58,531 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:58,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:58,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1582947944, now seen corresponding path program 1 times [2020-12-23 09:08:58,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:58,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977222964] [2020-12-23 09:08:58,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:58,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:58,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977222964] [2020-12-23 09:08:58,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:58,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:58,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951160070] [2020-12-23 09:08:58,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:58,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:58,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:58,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:58,613 INFO L87 Difference]: Start difference. First operand 526 states and 922 transitions. Second operand 3 states. [2020-12-23 09:08:58,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:58,698 INFO L93 Difference]: Finished difference Result 1506 states and 2670 transitions. [2020-12-23 09:08:58,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:58,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-23 09:08:58,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:58,705 INFO L225 Difference]: With dead ends: 1506 [2020-12-23 09:08:58,705 INFO L226 Difference]: Without dead ends: 1011 [2020-12-23 09:08:58,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:58,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2020-12-23 09:08:58,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 888. [2020-12-23 09:08:58,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2020-12-23 09:08:58,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1585 transitions. [2020-12-23 09:08:58,776 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1585 transitions. Word has length 58 [2020-12-23 09:08:58,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:58,777 INFO L481 AbstractCegarLoop]: Abstraction has 888 states and 1585 transitions. [2020-12-23 09:08:58,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:58,777 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1585 transitions. [2020-12-23 09:08:58,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 09:08:58,778 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:58,778 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] [2020-12-23 09:08:58,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:08:58,779 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:58,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:58,779 INFO L82 PathProgramCache]: Analyzing trace with hash -348864070, now seen corresponding path program 1 times [2020-12-23 09:08:58,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:58,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112920789] [2020-12-23 09:08:58,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:58,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:58,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112920789] [2020-12-23 09:08:58,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687015280] [2020-12-23 09:08:58,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:08:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:59,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:08:59,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:08:59,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:08:59,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 09:08:59,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 09:08:59,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691482552] [2020-12-23 09:08:59,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:59,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:59,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:59,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:08:59,269 INFO L87 Difference]: Start difference. First operand 888 states and 1585 transitions. Second operand 3 states. [2020-12-23 09:08:59,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:59,340 INFO L93 Difference]: Finished difference Result 969 states and 1716 transitions. [2020-12-23 09:08:59,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:59,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-23 09:08:59,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:59,349 INFO L225 Difference]: With dead ends: 969 [2020-12-23 09:08:59,349 INFO L226 Difference]: Without dead ends: 882 [2020-12-23 09:08:59,353 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 [2020-12-23 09:08:59,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-12-23 09:08:59,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 882. [2020-12-23 09:08:59,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-12-23 09:08:59,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1576 transitions. [2020-12-23 09:08:59,469 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1576 transitions. Word has length 58 [2020-12-23 09:08:59,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:59,469 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1576 transitions. [2020-12-23 09:08:59,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:59,469 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1576 transitions. [2020-12-23 09:08:59,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 09:08:59,471 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:59,472 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] [2020-12-23 09:08:59,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 09:08:59,686 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:59,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:59,688 INFO L82 PathProgramCache]: Analyzing trace with hash -726854746, now seen corresponding path program 1 times [2020-12-23 09:08:59,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:59,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490513992] [2020-12-23 09:08:59,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:59,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490513992] [2020-12-23 09:08:59,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474239843] [2020-12-23 09:08:59,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:09:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:00,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:09:00,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:09:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:09:00,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:09:00,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 09:09:00,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010218398] [2020-12-23 09:09:00,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:09:00,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:00,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:09:00,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:09:00,305 INFO L87 Difference]: Start difference. First operand 882 states and 1576 transitions. Second operand 5 states. [2020-12-23 09:09:00,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:00,421 INFO L93 Difference]: Finished difference Result 1335 states and 2356 transitions. [2020-12-23 09:09:00,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:09:00,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-12-23 09:09:00,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:00,428 INFO L225 Difference]: With dead ends: 1335 [2020-12-23 09:09:00,428 INFO L226 Difference]: Without dead ends: 1218 [2020-12-23 09:09:00,430 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 [2020-12-23 09:09:00,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-12-23 09:09:00,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1098. [2020-12-23 09:09:00,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1098 states. [2020-12-23 09:09:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1966 transitions. [2020-12-23 09:09:00,544 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1966 transitions. Word has length 89 [2020-12-23 09:09:00,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:00,545 INFO L481 AbstractCegarLoop]: Abstraction has 1098 states and 1966 transitions. [2020-12-23 09:09:00,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:09:00,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1966 transitions. [2020-12-23 09:09:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 09:09:00,547 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:00,548 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] [2020-12-23 09:09:00,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 09:09:00,762 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:00,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:00,763 INFO L82 PathProgramCache]: Analyzing trace with hash -47361245, now seen corresponding path program 1 times [2020-12-23 09:09:00,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:00,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414524730] [2020-12-23 09:09:00,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:00,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:09:00,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414524730] [2020-12-23 09:09:00,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:00,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:09:00,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512495639] [2020-12-23 09:09:00,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:09:00,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:00,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:09:00,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:00,853 INFO L87 Difference]: Start difference. First operand 1098 states and 1966 transitions. Second operand 3 states. [2020-12-23 09:09:00,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:00,971 INFO L93 Difference]: Finished difference Result 2928 states and 5272 transitions. [2020-12-23 09:09:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:09:00,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-12-23 09:09:00,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:00,982 INFO L225 Difference]: With dead ends: 2928 [2020-12-23 09:09:00,982 INFO L226 Difference]: Without dead ends: 1931 [2020-12-23 09:09:00,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:00,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1931 states. [2020-12-23 09:09:01,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1931 to 1814. [2020-12-23 09:09:01,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1814 states. [2020-12-23 09:09:01,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1814 states and 3271 transitions. [2020-12-23 09:09:01,104 INFO L78 Accepts]: Start accepts. Automaton has 1814 states and 3271 transitions. Word has length 93 [2020-12-23 09:09:01,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:01,104 INFO L481 AbstractCegarLoop]: Abstraction has 1814 states and 3271 transitions. [2020-12-23 09:09:01,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:09:01,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 3271 transitions. [2020-12-23 09:09:01,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 09:09:01,108 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:01,109 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] [2020-12-23 09:09:01,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:09:01,109 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:01,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:01,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1104645981, now seen corresponding path program 1 times [2020-12-23 09:09:01,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:01,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386452848] [2020-12-23 09:09:01,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:01,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:09:01,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386452848] [2020-12-23 09:09:01,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:01,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:09:01,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709128638] [2020-12-23 09:09:01,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:09:01,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:01,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:09:01,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:01,184 INFO L87 Difference]: Start difference. First operand 1814 states and 3271 transitions. Second operand 3 states. [2020-12-23 09:09:01,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:01,411 INFO L93 Difference]: Finished difference Result 4812 states and 8706 transitions. [2020-12-23 09:09:01,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:09:01,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-12-23 09:09:01,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:01,429 INFO L225 Difference]: With dead ends: 4812 [2020-12-23 09:09:01,429 INFO L226 Difference]: Without dead ends: 3133 [2020-12-23 09:09:01,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:01,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2020-12-23 09:09:01,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 3016. [2020-12-23 09:09:01,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3016 states. [2020-12-23 09:09:01,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 3016 states and 5456 transitions. [2020-12-23 09:09:01,632 INFO L78 Accepts]: Start accepts. Automaton has 3016 states and 5456 transitions. Word has length 94 [2020-12-23 09:09:01,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:01,632 INFO L481 AbstractCegarLoop]: Abstraction has 3016 states and 5456 transitions. [2020-12-23 09:09:01,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:09:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 5456 transitions. [2020-12-23 09:09:01,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 09:09:01,642 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:01,642 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] [2020-12-23 09:09:01,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:09:01,643 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:01,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:01,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1425530412, now seen corresponding path program 1 times [2020-12-23 09:09:01,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:01,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517720195] [2020-12-23 09:09:01,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:01,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:09:01,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517720195] [2020-12-23 09:09:01,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:01,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:09:01,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164011062] [2020-12-23 09:09:01,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:09:01,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:01,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:09:01,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:01,724 INFO L87 Difference]: Start difference. First operand 3016 states and 5456 transitions. Second operand 3 states. [2020-12-23 09:09:02,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:02,031 INFO L93 Difference]: Finished difference Result 8134 states and 14744 transitions. [2020-12-23 09:09:02,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:09:02,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-12-23 09:09:02,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:02,060 INFO L225 Difference]: With dead ends: 8134 [2020-12-23 09:09:02,061 INFO L226 Difference]: Without dead ends: 5287 [2020-12-23 09:09:02,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:02,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5287 states. [2020-12-23 09:09:02,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5287 to 5170. [2020-12-23 09:09:02,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5170 states. [2020-12-23 09:09:02,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 5170 states and 9361 transitions. [2020-12-23 09:09:02,473 INFO L78 Accepts]: Start accepts. Automaton has 5170 states and 9361 transitions. Word has length 95 [2020-12-23 09:09:02,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:02,474 INFO L481 AbstractCegarLoop]: Abstraction has 5170 states and 9361 transitions. [2020-12-23 09:09:02,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:09:02,474 INFO L276 IsEmpty]: Start isEmpty. Operand 5170 states and 9361 transitions. [2020-12-23 09:09:02,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 09:09:02,487 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:02,488 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] [2020-12-23 09:09:02,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:09:02,488 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:02,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:02,489 INFO L82 PathProgramCache]: Analyzing trace with hash -90485196, now seen corresponding path program 1 times [2020-12-23 09:09:02,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:02,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840621291] [2020-12-23 09:09:02,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:02,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:09:02,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840621291] [2020-12-23 09:09:02,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:02,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:09:02,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577585419] [2020-12-23 09:09:02,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:09:02,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:02,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:09:02,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:02,558 INFO L87 Difference]: Start difference. First operand 5170 states and 9361 transitions. Second operand 3 states. [2020-12-23 09:09:03,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:03,223 INFO L93 Difference]: Finished difference Result 15054 states and 27301 transitions. [2020-12-23 09:09:03,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:09:03,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-12-23 09:09:03,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:03,268 INFO L225 Difference]: With dead ends: 15054 [2020-12-23 09:09:03,268 INFO L226 Difference]: Without dead ends: 10057 [2020-12-23 09:09:03,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:03,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10057 states. [2020-12-23 09:09:03,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10057 to 9940. [2020-12-23 09:09:03,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9940 states. [2020-12-23 09:09:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9940 states to 9940 states and 18002 transitions. [2020-12-23 09:09:04,019 INFO L78 Accepts]: Start accepts. Automaton has 9940 states and 18002 transitions. Word has length 96 [2020-12-23 09:09:04,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:04,019 INFO L481 AbstractCegarLoop]: Abstraction has 9940 states and 18002 transitions. [2020-12-23 09:09:04,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:09:04,019 INFO L276 IsEmpty]: Start isEmpty. Operand 9940 states and 18002 transitions. [2020-12-23 09:09:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 09:09:04,037 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:04,037 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] [2020-12-23 09:09:04,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:09:04,038 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:04,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:04,038 INFO L82 PathProgramCache]: Analyzing trace with hash 95667267, now seen corresponding path program 1 times [2020-12-23 09:09:04,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:04,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778861150] [2020-12-23 09:09:04,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:04,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:09:04,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778861150] [2020-12-23 09:09:04,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:04,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:09:04,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234971269] [2020-12-23 09:09:04,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:09:04,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:04,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:09:04,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:04,116 INFO L87 Difference]: Start difference. First operand 9940 states and 18002 transitions. Second operand 3 states. [2020-12-23 09:09:05,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:05,037 INFO L93 Difference]: Finished difference Result 29066 states and 52699 transitions. [2020-12-23 09:09:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:09:05,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-12-23 09:09:05,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:05,104 INFO L225 Difference]: With dead ends: 29066 [2020-12-23 09:09:05,104 INFO L226 Difference]: Without dead ends: 19307 [2020-12-23 09:09:05,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:05,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19307 states. [2020-12-23 09:09:06,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19307 to 19190. [2020-12-23 09:09:06,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19190 states. [2020-12-23 09:09:06,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19190 states to 19190 states and 34739 transitions. [2020-12-23 09:09:06,281 INFO L78 Accepts]: Start accepts. Automaton has 19190 states and 34739 transitions. Word has length 97 [2020-12-23 09:09:06,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:06,282 INFO L481 AbstractCegarLoop]: Abstraction has 19190 states and 34739 transitions. [2020-12-23 09:09:06,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:09:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 19190 states and 34739 transitions. [2020-12-23 09:09:06,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 09:09:06,311 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:06,312 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:09:06,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:09:06,312 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:06,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:06,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1543094006, now seen corresponding path program 1 times [2020-12-23 09:09:06,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:06,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455771694] [2020-12-23 09:09:06,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:06,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:09:06,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455771694] [2020-12-23 09:09:06,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:06,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:09:06,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879411729] [2020-12-23 09:09:06,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:09:06,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:06,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:09:06,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:06,404 INFO L87 Difference]: Start difference. First operand 19190 states and 34739 transitions. Second operand 3 states. [2020-12-23 09:09:08,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:08,322 INFO L93 Difference]: Finished difference Result 57002 states and 103224 transitions. [2020-12-23 09:09:08,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:09:08,327 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-23 09:09:08,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:08,442 INFO L225 Difference]: With dead ends: 57002 [2020-12-23 09:09:08,442 INFO L226 Difference]: Without dead ends: 37997 [2020-12-23 09:09:08,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:08,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37997 states. [2020-12-23 09:09:10,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37997 to 37880. [2020-12-23 09:09:10,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37880 states. [2020-12-23 09:09:10,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37880 states to 37880 states and 68468 transitions. [2020-12-23 09:09:10,755 INFO L78 Accepts]: Start accepts. Automaton has 37880 states and 68468 transitions. Word has length 98 [2020-12-23 09:09:10,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:10,756 INFO L481 AbstractCegarLoop]: Abstraction has 37880 states and 68468 transitions. [2020-12-23 09:09:10,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:09:10,756 INFO L276 IsEmpty]: Start isEmpty. Operand 37880 states and 68468 transitions. [2020-12-23 09:09:10,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 09:09:10,804 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:10,805 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] [2020-12-23 09:09:10,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:09:10,805 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:10,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:10,806 INFO L82 PathProgramCache]: Analyzing trace with hash 287811018, now seen corresponding path program 1 times [2020-12-23 09:09:10,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:10,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919962033] [2020-12-23 09:09:10,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:10,896 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 09:09:10,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919962033] [2020-12-23 09:09:10,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:10,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:09:10,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036170950] [2020-12-23 09:09:10,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:09:10,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:10,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:09:10,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:09:10,899 INFO L87 Difference]: Start difference. First operand 37880 states and 68468 transitions. Second operand 5 states. [2020-12-23 09:09:13,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:13,660 INFO L93 Difference]: Finished difference Result 111343 states and 201217 transitions. [2020-12-23 09:09:13,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:09:13,660 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2020-12-23 09:09:13,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:13,914 INFO L225 Difference]: With dead ends: 111343 [2020-12-23 09:09:13,914 INFO L226 Difference]: Without dead ends: 73716 [2020-12-23 09:09:14,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:09:14,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73716 states. [2020-12-23 09:09:16,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73716 to 37880. [2020-12-23 09:09:16,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37880 states. [2020-12-23 09:09:16,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37880 states to 37880 states and 68210 transitions. [2020-12-23 09:09:16,120 INFO L78 Accepts]: Start accepts. Automaton has 37880 states and 68210 transitions. Word has length 99 [2020-12-23 09:09:16,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:16,120 INFO L481 AbstractCegarLoop]: Abstraction has 37880 states and 68210 transitions. [2020-12-23 09:09:16,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:09:16,120 INFO L276 IsEmpty]: Start isEmpty. Operand 37880 states and 68210 transitions. [2020-12-23 09:09:16,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 09:09:16,151 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:16,152 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] [2020-12-23 09:09:16,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:09:16,152 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:16,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:16,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1412268392, now seen corresponding path program 2 times [2020-12-23 09:09:16,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:16,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647483482] [2020-12-23 09:09:16,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:16,232 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:09:16,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647483482] [2020-12-23 09:09:16,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:16,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:09:16,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455395859] [2020-12-23 09:09:16,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:09:16,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:16,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:09:16,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:09:16,236 INFO L87 Difference]: Start difference. First operand 37880 states and 68210 transitions. Second operand 5 states. [2020-12-23 09:09:17,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:17,975 INFO L93 Difference]: Finished difference Result 75618 states and 136178 transitions. [2020-12-23 09:09:17,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:09:17,975 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2020-12-23 09:09:17,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:18,058 INFO L225 Difference]: With dead ends: 75618 [2020-12-23 09:09:18,058 INFO L226 Difference]: Without dead ends: 37997 [2020-12-23 09:09:18,095 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:09:18,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37997 states. [2020-12-23 09:09:19,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37997 to 37880. [2020-12-23 09:09:19,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37880 states. [2020-12-23 09:09:19,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37880 states to 37880 states and 68082 transitions. [2020-12-23 09:09:19,776 INFO L78 Accepts]: Start accepts. Automaton has 37880 states and 68082 transitions. Word has length 99 [2020-12-23 09:09:19,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:19,776 INFO L481 AbstractCegarLoop]: Abstraction has 37880 states and 68082 transitions. [2020-12-23 09:09:19,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:09:19,776 INFO L276 IsEmpty]: Start isEmpty. Operand 37880 states and 68082 transitions. [2020-12-23 09:09:19,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 09:09:19,805 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:19,806 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] [2020-12-23 09:09:19,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:09:19,806 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:19,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:19,807 INFO L82 PathProgramCache]: Analyzing trace with hash 202704533, now seen corresponding path program 1 times [2020-12-23 09:09:19,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:19,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115595524] [2020-12-23 09:09:19,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:19,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:09:19,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115595524] [2020-12-23 09:09:19,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:19,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:09:19,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923490849] [2020-12-23 09:09:19,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:09:19,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:19,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:09:19,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:19,883 INFO L87 Difference]: Start difference. First operand 37880 states and 68082 transitions. Second operand 3 states. [2020-12-23 09:09:22,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:22,552 INFO L93 Difference]: Finished difference Result 105228 states and 188860 transitions. [2020-12-23 09:09:22,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:09:22,553 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-23 09:09:22,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:22,698 INFO L225 Difference]: With dead ends: 105228 [2020-12-23 09:09:22,698 INFO L226 Difference]: Without dead ends: 67567 [2020-12-23 09:09:22,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:22,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67567 states. [2020-12-23 09:09:25,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67567 to 67450. [2020-12-23 09:09:25,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67450 states. [2020-12-23 09:09:25,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67450 states to 67450 states and 120691 transitions. [2020-12-23 09:09:25,807 INFO L78 Accepts]: Start accepts. Automaton has 67450 states and 120691 transitions. Word has length 99 [2020-12-23 09:09:25,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:25,807 INFO L481 AbstractCegarLoop]: Abstraction has 67450 states and 120691 transitions. [2020-12-23 09:09:25,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:09:25,808 INFO L276 IsEmpty]: Start isEmpty. Operand 67450 states and 120691 transitions. [2020-12-23 09:09:25,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 09:09:25,829 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:25,829 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] [2020-12-23 09:09:25,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:09:25,829 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:25,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:25,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1055661358, now seen corresponding path program 1 times [2020-12-23 09:09:25,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:25,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934956420] [2020-12-23 09:09:25,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:26,071 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:09:26,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934956420] [2020-12-23 09:09:26,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:26,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:09:26,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771308016] [2020-12-23 09:09:26,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:09:26,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:26,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:09:26,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:09:26,076 INFO L87 Difference]: Start difference. First operand 67450 states and 120691 transitions. Second operand 9 states. [2020-12-23 09:09:31,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:31,798 INFO L93 Difference]: Finished difference Result 135280 states and 241971 transitions. [2020-12-23 09:09:31,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 09:09:31,798 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 100 [2020-12-23 09:09:31,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:32,217 INFO L225 Difference]: With dead ends: 135280 [2020-12-23 09:09:32,217 INFO L226 Difference]: Without dead ends: 135183 [2020-12-23 09:09:32,262 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 [2020-12-23 09:09:32,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135183 states. [2020-12-23 09:09:37,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135183 to 134697. [2020-12-23 09:09:37,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134697 states. [2020-12-23 09:09:38,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134697 states to 134697 states and 241048 transitions. [2020-12-23 09:09:38,230 INFO L78 Accepts]: Start accepts. Automaton has 134697 states and 241048 transitions. Word has length 100 [2020-12-23 09:09:38,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:38,231 INFO L481 AbstractCegarLoop]: Abstraction has 134697 states and 241048 transitions. [2020-12-23 09:09:38,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:09:38,231 INFO L276 IsEmpty]: Start isEmpty. Operand 134697 states and 241048 transitions. [2020-12-23 09:09:38,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 09:09:38,304 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:38,304 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] [2020-12-23 09:09:38,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:09:38,305 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:38,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:38,305 INFO L82 PathProgramCache]: Analyzing trace with hash -857070940, now seen corresponding path program 1 times [2020-12-23 09:09:38,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:38,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812760510] [2020-12-23 09:09:38,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:38,366 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:09:38,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812760510] [2020-12-23 09:09:38,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:38,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:09:38,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709676352] [2020-12-23 09:09:38,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:09:38,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:38,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:09:38,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:09:38,368 INFO L87 Difference]: Start difference. First operand 134697 states and 241048 transitions. Second operand 4 states. [2020-12-23 09:09:43,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:43,129 INFO L93 Difference]: Finished difference Result 134857 states and 241303 transitions. [2020-12-23 09:09:43,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:09:43,129 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2020-12-23 09:09:43,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:43,373 INFO L225 Difference]: With dead ends: 134857 [2020-12-23 09:09:43,373 INFO L226 Difference]: Without dead ends: 134745 [2020-12-23 09:09:43,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:09:43,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134745 states. [2020-12-23 09:09:48,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134745 to 134696. [2020-12-23 09:09:48,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134696 states. [2020-12-23 09:09:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134696 states to 134696 states and 241044 transitions. [2020-12-23 09:09:49,421 INFO L78 Accepts]: Start accepts. Automaton has 134696 states and 241044 transitions. Word has length 101 [2020-12-23 09:09:49,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:49,421 INFO L481 AbstractCegarLoop]: Abstraction has 134696 states and 241044 transitions. [2020-12-23 09:09:49,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:09:49,421 INFO L276 IsEmpty]: Start isEmpty. Operand 134696 states and 241044 transitions. [2020-12-23 09:09:49,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 09:09:49,463 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:49,463 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] [2020-12-23 09:09:49,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:09:49,463 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:49,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:49,464 INFO L82 PathProgramCache]: Analyzing trace with hash 668528327, now seen corresponding path program 1 times [2020-12-23 09:09:49,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:49,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059122512] [2020-12-23 09:09:49,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:49,578 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:09:49,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059122512] [2020-12-23 09:09:49,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:49,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:09:49,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742274913] [2020-12-23 09:09:49,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:09:49,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:49,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:09:49,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:09:49,580 INFO L87 Difference]: Start difference. First operand 134696 states and 241044 transitions. Second operand 6 states. [2020-12-23 09:09:54,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:54,486 INFO L93 Difference]: Finished difference Result 134882 states and 241341 transitions. [2020-12-23 09:09:54,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:09:54,487 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2020-12-23 09:09:54,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:54,728 INFO L225 Difference]: With dead ends: 134882 [2020-12-23 09:09:54,728 INFO L226 Difference]: Without dead ends: 134706 [2020-12-23 09:09:54,759 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 [2020-12-23 09:09:54,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134706 states. [2020-12-23 09:10:00,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134706 to 134684. [2020-12-23 09:10:00,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134684 states. [2020-12-23 09:10:01,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134684 states to 134684 states and 241017 transitions. [2020-12-23 09:10:01,375 INFO L78 Accepts]: Start accepts. Automaton has 134684 states and 241017 transitions. Word has length 102 [2020-12-23 09:10:01,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:01,375 INFO L481 AbstractCegarLoop]: Abstraction has 134684 states and 241017 transitions. [2020-12-23 09:10:01,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:10:01,376 INFO L276 IsEmpty]: Start isEmpty. Operand 134684 states and 241017 transitions. [2020-12-23 09:10:01,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 09:10:01,427 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:01,428 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] [2020-12-23 09:10:01,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 09:10:01,441 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:10:01,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:01,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1563165307, now seen corresponding path program 1 times [2020-12-23 09:10:01,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:01,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377499681] [2020-12-23 09:10:01,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:01,593 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:10:01,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377499681] [2020-12-23 09:10:01,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:01,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:10:01,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772333853] [2020-12-23 09:10:01,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:10:01,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:01,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:10:01,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:10:01,595 INFO L87 Difference]: Start difference. First operand 134684 states and 241017 transitions. Second operand 9 states. [2020-12-23 09:10:12,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:12,195 INFO L93 Difference]: Finished difference Result 270046 states and 483058 transitions. [2020-12-23 09:10:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 09:10:12,196 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-12-23 09:10:12,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:12,747 INFO L225 Difference]: With dead ends: 270046 [2020-12-23 09:10:12,748 INFO L226 Difference]: Without dead ends: 269882 [2020-12-23 09:10:13,049 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 [2020-12-23 09:10:13,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269882 states. [2020-12-23 09:10:24,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269882 to 269083. [2020-12-23 09:10:24,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269083 states. [2020-12-23 09:10:26,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269083 states to 269083 states and 481557 transitions. [2020-12-23 09:10:26,002 INFO L78 Accepts]: Start accepts. Automaton has 269083 states and 481557 transitions. Word has length 102 [2020-12-23 09:10:26,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:26,002 INFO L481 AbstractCegarLoop]: Abstraction has 269083 states and 481557 transitions. [2020-12-23 09:10:26,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:10:26,003 INFO L276 IsEmpty]: Start isEmpty. Operand 269083 states and 481557 transitions. [2020-12-23 09:10:26,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 09:10:26,100 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:26,100 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] [2020-12-23 09:10:26,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 09:10:26,100 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:10:26,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:26,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1838315651, now seen corresponding path program 1 times [2020-12-23 09:10:26,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:26,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628023365] [2020-12-23 09:10:26,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:26,244 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:10:26,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628023365] [2020-12-23 09:10:26,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:26,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 09:10:26,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435212458] [2020-12-23 09:10:26,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:10:26,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:26,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:10:26,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:10:26,247 INFO L87 Difference]: Start difference. First operand 269083 states and 481557 transitions. Second operand 10 states. [2020-12-23 09:10:37,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:37,312 INFO L93 Difference]: Finished difference Result 270381 states and 483595 transitions. [2020-12-23 09:10:37,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-23 09:10:37,312 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 102 [2020-12-23 09:10:37,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:38,229 INFO L225 Difference]: With dead ends: 270381 [2020-12-23 09:10:38,230 INFO L226 Difference]: Without dead ends: 270190 [2020-12-23 09:10:38,354 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2020-12-23 09:10:38,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270190 states. [2020-12-23 09:10:52,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270190 to 269107. [2020-12-23 09:10:52,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269107 states. [2020-12-23 09:10:53,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269107 states to 269107 states and 481589 transitions. [2020-12-23 09:10:53,892 INFO L78 Accepts]: Start accepts. Automaton has 269107 states and 481589 transitions. Word has length 102 [2020-12-23 09:10:53,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:53,893 INFO L481 AbstractCegarLoop]: Abstraction has 269107 states and 481589 transitions. [2020-12-23 09:10:53,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:10:53,893 INFO L276 IsEmpty]: Start isEmpty. Operand 269107 states and 481589 transitions. [2020-12-23 09:10:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-23 09:10:53,993 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:53,993 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] [2020-12-23 09:10:53,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 09:10:53,994 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:10:53,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:53,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1876767565, now seen corresponding path program 1 times [2020-12-23 09:10:53,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:53,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132505633] [2020-12-23 09:10:53,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:10:54,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132505633] [2020-12-23 09:10:54,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:54,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:10:54,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860758520] [2020-12-23 09:10:54,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:10:54,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:54,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:10:54,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:10:54,107 INFO L87 Difference]: Start difference. First operand 269107 states and 481589 transitions. Second operand 8 states. [2020-12-23 09:11:04,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:04,391 INFO L93 Difference]: Finished difference Result 269439 states and 482117 transitions. [2020-12-23 09:11:04,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 09:11:04,392 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2020-12-23 09:11:04,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:05,131 INFO L225 Difference]: With dead ends: 269439 [2020-12-23 09:11:05,131 INFO L226 Difference]: Without dead ends: 269096 [2020-12-23 09:11:05,187 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 [2020-12-23 09:11:05,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269096 states. [2020-12-23 09:11:17,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269096 to 269064. [2020-12-23 09:11:17,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269064 states. [2020-12-23 09:11:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269064 states to 269064 states and 481513 transitions. [2020-12-23 09:11:18,275 INFO L78 Accepts]: Start accepts. Automaton has 269064 states and 481513 transitions. Word has length 103 [2020-12-23 09:11:18,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:18,275 INFO L481 AbstractCegarLoop]: Abstraction has 269064 states and 481513 transitions. [2020-12-23 09:11:18,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:11:18,275 INFO L276 IsEmpty]: Start isEmpty. Operand 269064 states and 481513 transitions. [2020-12-23 09:11:18,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-23 09:11:18,827 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:18,828 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] [2020-12-23 09:11:18,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 09:11:18,828 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:18,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:18,828 INFO L82 PathProgramCache]: Analyzing trace with hash -481819011, now seen corresponding path program 1 times [2020-12-23 09:11:18,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:18,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203136504] [2020-12-23 09:11:18,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:18,971 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:11:18,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203136504] [2020-12-23 09:11:18,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:18,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 09:11:18,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615235317] [2020-12-23 09:11:18,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 09:11:18,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:18,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 09:11:18,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 09:11:18,974 INFO L87 Difference]: Start difference. First operand 269064 states and 481513 transitions. Second operand 11 states. [2020-12-23 09:11:29,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:29,581 INFO L93 Difference]: Finished difference Result 269366 states and 481975 transitions. [2020-12-23 09:11:29,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 09:11:29,582 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 103 [2020-12-23 09:11:29,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:30,152 INFO L225 Difference]: With dead ends: 269366 [2020-12-23 09:11:30,152 INFO L226 Difference]: Without dead ends: 269267 [2020-12-23 09:11:30,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2020-12-23 09:11:30,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269267 states. [2020-12-23 09:11:44,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269267 to 269064. [2020-12-23 09:11:44,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269064 states. [2020-12-23 09:11:46,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269064 states to 269064 states and 481509 transitions. [2020-12-23 09:11:46,017 INFO L78 Accepts]: Start accepts. Automaton has 269064 states and 481509 transitions. Word has length 103 [2020-12-23 09:11:46,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:46,019 INFO L481 AbstractCegarLoop]: Abstraction has 269064 states and 481509 transitions. [2020-12-23 09:11:46,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 09:11:46,019 INFO L276 IsEmpty]: Start isEmpty. Operand 269064 states and 481509 transitions. [2020-12-23 09:11:46,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 09:11:46,111 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:46,111 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] [2020-12-23 09:11:46,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 09:11:46,111 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:46,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:46,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1276829825, now seen corresponding path program 1 times [2020-12-23 09:11:46,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:46,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581597619] [2020-12-23 09:11:46,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:46,217 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:11:46,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581597619] [2020-12-23 09:11:46,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:46,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:11:46,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338790304] [2020-12-23 09:11:46,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:11:46,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:46,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:11:46,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:11:46,219 INFO L87 Difference]: Start difference. First operand 269064 states and 481509 transitions. Second operand 8 states. [2020-12-23 09:12:02,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:02,614 INFO L93 Difference]: Finished difference Result 402926 states and 720436 transitions. [2020-12-23 09:12:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 09:12:02,615 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2020-12-23 09:12:02,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:03,795 INFO L225 Difference]: With dead ends: 402926 [2020-12-23 09:12:03,795 INFO L226 Difference]: Without dead ends: 402859 [2020-12-23 09:12:03,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2020-12-23 09:12:04,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402859 states. [2020-12-23 09:12:23,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402859 to 401923. [2020-12-23 09:12:23,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401923 states. [2020-12-23 09:12:25,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401923 states to 401923 states and 718940 transitions. [2020-12-23 09:12:25,012 INFO L78 Accepts]: Start accepts. Automaton has 401923 states and 718940 transitions. Word has length 104 [2020-12-23 09:12:25,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:25,012 INFO L481 AbstractCegarLoop]: Abstraction has 401923 states and 718940 transitions. [2020-12-23 09:12:25,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:12:25,012 INFO L276 IsEmpty]: Start isEmpty. Operand 401923 states and 718940 transitions. [2020-12-23 09:12:25,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 09:12:25,166 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:25,166 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:12:25,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 09:12:25,166 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:25,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:25,167 INFO L82 PathProgramCache]: Analyzing trace with hash 664658059, now seen corresponding path program 1 times [2020-12-23 09:12:25,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:25,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325343766] [2020-12-23 09:12:25,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:25,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:25,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325343766] [2020-12-23 09:12:25,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:25,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:12:25,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234349102] [2020-12-23 09:12:25,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:12:25,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:25,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:12:25,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:25,232 INFO L87 Difference]: Start difference. First operand 401923 states and 718940 transitions. Second operand 3 states.