/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_spec27_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:51:52,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:51:52,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:51:52,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:51:52,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:51:52,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:51:52,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:51:52,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:51:52,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:51:52,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:51:52,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:51:52,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:51:52,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:51:52,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:51:52,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:51:52,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:51:52,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:51:52,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:51:52,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:51:52,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:51:52,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:51:52,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:51:52,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:51:52,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:51:52,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:51:52,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:51:52,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:51:52,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:51:52,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:51:52,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:51:52,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:51:52,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:51:52,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:51:52,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:51:52,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:51:52,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:51:52,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:51:52,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:51:52,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:51:52,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:51:52,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:51:52,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:51:52,374 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:51:52,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:51:52,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:51:52,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:51:52,377 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:51:52,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:51:52,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:51:52,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:51:52,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:51:52,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:51:52,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:51:52,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:51:52,379 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:51:52,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:51:52,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:51:52,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:51:52,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:51:52,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:51:52,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:51:52,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:51:52,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:51:52,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:51:52,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:51:52,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:51:52,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:51:52,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:51:52,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:51:52,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:51:52,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:51:52,793 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:51:52,794 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:51:52,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product24.cil.c [2020-12-23 08:51:52,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/475d1ffe8/89a84ccafbcf4607b645ce25c9f3b95d/FLAGd3cdb02b9 [2020-12-23 08:51:53,670 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:51:53,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product24.cil.c [2020-12-23 08:51:53,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/475d1ffe8/89a84ccafbcf4607b645ce25c9f3b95d/FLAGd3cdb02b9 [2020-12-23 08:51:53,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/475d1ffe8/89a84ccafbcf4607b645ce25c9f3b95d [2020-12-23 08:51:53,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:51:53,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:51:53,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:51:53,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:51:53,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:51:53,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:51:53" (1/1) ... [2020-12-23 08:51:53,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a144f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:53, skipping insertion in model container [2020-12-23 08:51:53,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:51:53" (1/1) ... [2020-12-23 08:51:53,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:51:53,956 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~5,] 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[~__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~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_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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~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_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~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_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] 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~20,] 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~20,] 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~20,] 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~20,] 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~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[~__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~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_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~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_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~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_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~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_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~27,] 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~27,] 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[~__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~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[~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[~__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~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_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~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_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~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] 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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] 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___0~4,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] 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_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] 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~20,] 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~21,] 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~38,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_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~39,] 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~40,] [2020-12-23 08:51:54,835 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_spec27_product24.cil.c[62263,62276] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2020-12-23 08:51:54,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:51:54,900 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~5,] 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[~__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~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_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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~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_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~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_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] 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~20,] 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~20,] 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~20,] 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~20,] 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~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[~__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~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_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~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_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~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_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~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_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~27,] 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~27,] 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[~__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~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[~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[~__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~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_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~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_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~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] 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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] 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___0~4,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] 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_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] 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~20,] 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~21,] 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~38,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_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~39,] 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~40,] [2020-12-23 08:51:55,078 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_spec27_product24.cil.c[62263,62276] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2020-12-23 08:51:55,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:51:55,189 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:51:55,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:55 WrapperNode [2020-12-23 08:51:55,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:51:55,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:51:55,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:51:55,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:51:55,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:55" (1/1) ... [2020-12-23 08:51:55,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:55" (1/1) ... [2020-12-23 08:51:55,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:51:55,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:51:55,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:51:55,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:51:55,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:55" (1/1) ... [2020-12-23 08:51:55,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:55" (1/1) ... [2020-12-23 08:51:55,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:55" (1/1) ... [2020-12-23 08:51:55,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:55" (1/1) ... [2020-12-23 08:51:55,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:55" (1/1) ... [2020-12-23 08:51:55,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:55" (1/1) ... [2020-12-23 08:51:55,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:55" (1/1) ... [2020-12-23 08:51:55,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:51:55,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:51:55,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:51:55,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:51:55,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:55" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:51:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:51:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:51:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:51:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:51:55,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:51:57,592 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:51:57,592 INFO L299 CfgBuilder]: Removed 331 assume(true) statements. [2020-12-23 08:51:57,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:51:57 BoogieIcfgContainer [2020-12-23 08:51:57,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:51:57,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:51:57,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:51:57,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:51:57,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:51:53" (1/3) ... [2020-12-23 08:51:57,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ecb041b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:51:57, skipping insertion in model container [2020-12-23 08:51:57,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:55" (2/3) ... [2020-12-23 08:51:57,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ecb041b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:51:57, skipping insertion in model container [2020-12-23 08:51:57,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:51:57" (3/3) ... [2020-12-23 08:51:57,605 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product24.cil.c [2020-12-23 08:51:57,612 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:51:57,618 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:51:57,642 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:51:57,692 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:51:57,694 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:51:57,694 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:51:57,694 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:51:57,694 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:51:57,694 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:51:57,694 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:51:57,695 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:51:57,730 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states. [2020-12-23 08:51:57,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 08:51:57,756 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:57,757 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 08:51:57,757 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:57,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:57,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1448452338, now seen corresponding path program 1 times [2020-12-23 08:51:57,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:57,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992565080] [2020-12-23 08:51:57,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:58,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:58,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992565080] [2020-12-23 08:51:58,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:58,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:58,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117795029] [2020-12-23 08:51:58,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:58,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:58,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:58,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:58,263 INFO L87 Difference]: Start difference. First operand 495 states. Second operand 3 states. [2020-12-23 08:51:58,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:58,421 INFO L93 Difference]: Finished difference Result 1450 states and 2519 transitions. [2020-12-23 08:51:58,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:58,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 08:51:58,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:58,450 INFO L225 Difference]: With dead ends: 1450 [2020-12-23 08:51:58,450 INFO L226 Difference]: Without dead ends: 874 [2020-12-23 08:51:58,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:58,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-12-23 08:51:58,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 446. [2020-12-23 08:51:58,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-12-23 08:51:58,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 774 transitions. [2020-12-23 08:51:58,594 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 774 transitions. Word has length 48 [2020-12-23 08:51:58,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:58,594 INFO L481 AbstractCegarLoop]: Abstraction has 446 states and 774 transitions. [2020-12-23 08:51:58,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:58,595 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 774 transitions. [2020-12-23 08:51:58,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 08:51:58,600 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:58,602 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] [2020-12-23 08:51:58,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:51:58,602 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:58,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:58,605 INFO L82 PathProgramCache]: Analyzing trace with hash 30176993, now seen corresponding path program 1 times [2020-12-23 08:51:58,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:58,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996962920] [2020-12-23 08:51:58,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:58,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:58,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996962920] [2020-12-23 08:51:58,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:58,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:58,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458565794] [2020-12-23 08:51:58,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:58,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:58,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:58,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:58,840 INFO L87 Difference]: Start difference. First operand 446 states and 774 transitions. Second operand 5 states. [2020-12-23 08:51:59,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:59,063 INFO L93 Difference]: Finished difference Result 1287 states and 2238 transitions. [2020-12-23 08:51:59,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:51:59,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 08:51:59,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:59,074 INFO L225 Difference]: With dead ends: 1287 [2020-12-23 08:51:59,074 INFO L226 Difference]: Without dead ends: 860 [2020-12-23 08:51:59,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:51:59,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2020-12-23 08:51:59,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 446. [2020-12-23 08:51:59,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-12-23 08:51:59,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 773 transitions. [2020-12-23 08:51:59,136 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 773 transitions. Word has length 50 [2020-12-23 08:51:59,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:59,137 INFO L481 AbstractCegarLoop]: Abstraction has 446 states and 773 transitions. [2020-12-23 08:51:59,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:59,137 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 773 transitions. [2020-12-23 08:51:59,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 08:51:59,141 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:59,141 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] [2020-12-23 08:51:59,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:51:59,143 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:59,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:59,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1914864878, now seen corresponding path program 1 times [2020-12-23 08:51:59,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:59,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850913554] [2020-12-23 08:51:59,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:59,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:59,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850913554] [2020-12-23 08:51:59,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:59,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:59,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662192336] [2020-12-23 08:51:59,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:59,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:59,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:59,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:59,247 INFO L87 Difference]: Start difference. First operand 446 states and 773 transitions. Second operand 3 states. [2020-12-23 08:51:59,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:59,294 INFO L93 Difference]: Finished difference Result 874 states and 1520 transitions. [2020-12-23 08:51:59,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:59,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 08:51:59,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:59,299 INFO L225 Difference]: With dead ends: 874 [2020-12-23 08:51:59,299 INFO L226 Difference]: Without dead ends: 451 [2020-12-23 08:51:59,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:59,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2020-12-23 08:51:59,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 446. [2020-12-23 08:51:59,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-12-23 08:51:59,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 772 transitions. [2020-12-23 08:51:59,328 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 772 transitions. Word has length 51 [2020-12-23 08:51:59,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:59,335 INFO L481 AbstractCegarLoop]: Abstraction has 446 states and 772 transitions. [2020-12-23 08:51:59,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:59,336 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 772 transitions. [2020-12-23 08:51:59,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 08:51:59,338 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:59,338 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] [2020-12-23 08:51:59,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:51:59,339 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:59,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:59,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1352417332, now seen corresponding path program 1 times [2020-12-23 08:51:59,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:59,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927599495] [2020-12-23 08:51:59,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:59,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:59,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927599495] [2020-12-23 08:51:59,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:59,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:59,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721865362] [2020-12-23 08:51:59,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:59,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:59,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:59,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:59,462 INFO L87 Difference]: Start difference. First operand 446 states and 772 transitions. Second operand 3 states. [2020-12-23 08:51:59,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:59,507 INFO L93 Difference]: Finished difference Result 884 states and 1533 transitions. [2020-12-23 08:51:59,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:59,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-23 08:51:59,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:59,511 INFO L225 Difference]: With dead ends: 884 [2020-12-23 08:51:59,511 INFO L226 Difference]: Without dead ends: 446 [2020-12-23 08:51:59,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:59,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-12-23 08:51:59,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2020-12-23 08:51:59,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-12-23 08:51:59,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 770 transitions. [2020-12-23 08:51:59,537 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 770 transitions. Word has length 52 [2020-12-23 08:51:59,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:59,539 INFO L481 AbstractCegarLoop]: Abstraction has 446 states and 770 transitions. [2020-12-23 08:51:59,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:59,539 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 770 transitions. [2020-12-23 08:51:59,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 08:51:59,541 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:59,541 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] [2020-12-23 08:51:59,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:51:59,541 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:59,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:59,544 INFO L82 PathProgramCache]: Analyzing trace with hash -2036988023, now seen corresponding path program 1 times [2020-12-23 08:51:59,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:59,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206917931] [2020-12-23 08:51:59,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:59,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:59,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206917931] [2020-12-23 08:51:59,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:59,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:59,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969548343] [2020-12-23 08:51:59,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:59,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:59,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:59,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:59,673 INFO L87 Difference]: Start difference. First operand 446 states and 770 transitions. Second operand 5 states. [2020-12-23 08:51:59,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:59,867 INFO L93 Difference]: Finished difference Result 1277 states and 2218 transitions. [2020-12-23 08:51:59,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:51:59,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-12-23 08:51:59,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:59,873 INFO L225 Difference]: With dead ends: 1277 [2020-12-23 08:51:59,873 INFO L226 Difference]: Without dead ends: 858 [2020-12-23 08:51:59,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:59,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-12-23 08:51:59,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 446. [2020-12-23 08:51:59,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-12-23 08:51:59,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 769 transitions. [2020-12-23 08:51:59,904 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 769 transitions. Word has length 53 [2020-12-23 08:51:59,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:59,905 INFO L481 AbstractCegarLoop]: Abstraction has 446 states and 769 transitions. [2020-12-23 08:51:59,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:59,905 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 769 transitions. [2020-12-23 08:51:59,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 08:51:59,907 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:59,908 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] [2020-12-23 08:51:59,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:51:59,908 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:59,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:59,909 INFO L82 PathProgramCache]: Analyzing trace with hash -707040916, now seen corresponding path program 1 times [2020-12-23 08:51:59,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:59,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480162445] [2020-12-23 08:51:59,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:00,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:00,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480162445] [2020-12-23 08:52:00,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:00,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:52:00,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088020628] [2020-12-23 08:52:00,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:00,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:00,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:00,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:00,037 INFO L87 Difference]: Start difference. First operand 446 states and 769 transitions. Second operand 5 states. [2020-12-23 08:52:00,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:00,206 INFO L93 Difference]: Finished difference Result 1282 states and 2223 transitions. [2020-12-23 08:52:00,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:52:00,207 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-23 08:52:00,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:00,212 INFO L225 Difference]: With dead ends: 1282 [2020-12-23 08:52:00,212 INFO L226 Difference]: Without dead ends: 863 [2020-12-23 08:52:00,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:52:00,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2020-12-23 08:52:00,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 446. [2020-12-23 08:52:00,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-12-23 08:52:00,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 768 transitions. [2020-12-23 08:52:00,246 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 768 transitions. Word has length 54 [2020-12-23 08:52:00,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:00,246 INFO L481 AbstractCegarLoop]: Abstraction has 446 states and 768 transitions. [2020-12-23 08:52:00,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:00,246 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 768 transitions. [2020-12-23 08:52:00,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 08:52:00,247 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:00,247 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] [2020-12-23 08:52:00,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:52:00,249 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:00,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:00,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1595860860, now seen corresponding path program 1 times [2020-12-23 08:52:00,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:00,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347038371] [2020-12-23 08:52:00,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:00,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:00,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347038371] [2020-12-23 08:52:00,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:00,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:00,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621489950] [2020-12-23 08:52:00,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:00,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:00,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:00,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:00,344 INFO L87 Difference]: Start difference. First operand 446 states and 768 transitions. Second operand 3 states. [2020-12-23 08:52:00,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:00,375 INFO L93 Difference]: Finished difference Result 650 states and 1105 transitions. [2020-12-23 08:52:00,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:00,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-23 08:52:00,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:00,379 INFO L225 Difference]: With dead ends: 650 [2020-12-23 08:52:00,379 INFO L226 Difference]: Without dead ends: 449 [2020-12-23 08:52:00,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:00,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-12-23 08:52:00,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 448. [2020-12-23 08:52:00,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2020-12-23 08:52:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 770 transitions. [2020-12-23 08:52:00,413 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 770 transitions. Word has length 55 [2020-12-23 08:52:00,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:00,416 INFO L481 AbstractCegarLoop]: Abstraction has 448 states and 770 transitions. [2020-12-23 08:52:00,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:00,416 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 770 transitions. [2020-12-23 08:52:00,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 08:52:00,417 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:00,418 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] [2020-12-23 08:52:00,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:52:00,418 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:00,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:00,419 INFO L82 PathProgramCache]: Analyzing trace with hash 2037181298, now seen corresponding path program 1 times [2020-12-23 08:52:00,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:00,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493277285] [2020-12-23 08:52:00,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:00,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:00,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493277285] [2020-12-23 08:52:00,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:00,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:00,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542588826] [2020-12-23 08:52:00,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:00,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:00,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:00,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:00,556 INFO L87 Difference]: Start difference. First operand 448 states and 770 transitions. Second operand 3 states. [2020-12-23 08:52:00,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:00,619 INFO L93 Difference]: Finished difference Result 1230 states and 2134 transitions. [2020-12-23 08:52:00,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:00,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-12-23 08:52:00,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:00,626 INFO L225 Difference]: With dead ends: 1230 [2020-12-23 08:52:00,626 INFO L226 Difference]: Without dead ends: 813 [2020-12-23 08:52:00,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:00,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2020-12-23 08:52:00,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 612. [2020-12-23 08:52:00,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-12-23 08:52:00,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1070 transitions. [2020-12-23 08:52:00,679 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1070 transitions. Word has length 63 [2020-12-23 08:52:00,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:00,679 INFO L481 AbstractCegarLoop]: Abstraction has 612 states and 1070 transitions. [2020-12-23 08:52:00,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:00,679 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1070 transitions. [2020-12-23 08:52:00,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 08:52:00,681 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:00,681 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] [2020-12-23 08:52:00,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:52:00,684 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:00,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:00,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1911621457, now seen corresponding path program 1 times [2020-12-23 08:52:00,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:00,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937134543] [2020-12-23 08:52:00,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:00,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:00,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937134543] [2020-12-23 08:52:00,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:00,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:52:00,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077260542] [2020-12-23 08:52:00,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:00,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:00,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:00,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:00,803 INFO L87 Difference]: Start difference. First operand 612 states and 1070 transitions. Second operand 5 states. [2020-12-23 08:52:01,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:01,070 INFO L93 Difference]: Finished difference Result 1766 states and 3116 transitions. [2020-12-23 08:52:01,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:52:01,071 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-12-23 08:52:01,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:01,079 INFO L225 Difference]: With dead ends: 1766 [2020-12-23 08:52:01,080 INFO L226 Difference]: Without dead ends: 1185 [2020-12-23 08:52:01,081 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 08:52:01,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2020-12-23 08:52:01,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 612. [2020-12-23 08:52:01,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-12-23 08:52:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1068 transitions. [2020-12-23 08:52:01,141 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1068 transitions. Word has length 64 [2020-12-23 08:52:01,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:01,142 INFO L481 AbstractCegarLoop]: Abstraction has 612 states and 1068 transitions. [2020-12-23 08:52:01,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:01,142 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1068 transitions. [2020-12-23 08:52:01,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 08:52:01,143 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:01,144 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] [2020-12-23 08:52:01,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:52:01,144 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:01,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:01,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1694875352, now seen corresponding path program 1 times [2020-12-23 08:52:01,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:01,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716506623] [2020-12-23 08:52:01,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:01,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:01,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716506623] [2020-12-23 08:52:01,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:01,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:01,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950003207] [2020-12-23 08:52:01,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:01,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:01,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:01,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:01,225 INFO L87 Difference]: Start difference. First operand 612 states and 1068 transitions. Second operand 3 states. [2020-12-23 08:52:01,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:01,347 INFO L93 Difference]: Finished difference Result 1764 states and 3108 transitions. [2020-12-23 08:52:01,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:01,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-12-23 08:52:01,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:01,355 INFO L225 Difference]: With dead ends: 1764 [2020-12-23 08:52:01,356 INFO L226 Difference]: Without dead ends: 1183 [2020-12-23 08:52:01,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:01,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2020-12-23 08:52:01,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 982. [2020-12-23 08:52:01,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 982 states. [2020-12-23 08:52:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1745 transitions. [2020-12-23 08:52:01,435 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1745 transitions. Word has length 65 [2020-12-23 08:52:01,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:01,436 INFO L481 AbstractCegarLoop]: Abstraction has 982 states and 1745 transitions. [2020-12-23 08:52:01,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:01,436 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1745 transitions. [2020-12-23 08:52:01,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 08:52:01,441 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:01,441 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:01,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:52:01,441 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:01,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:01,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1650485562, now seen corresponding path program 1 times [2020-12-23 08:52:01,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:01,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738759933] [2020-12-23 08:52:01,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:01,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:01,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738759933] [2020-12-23 08:52:01,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775437784] [2020-12-23 08:52:01,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:52:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:01,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:52:01,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:52:02,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:02,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:52:02,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:52:02,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023701059] [2020-12-23 08:52:02,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:02,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:02,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:02,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:02,057 INFO L87 Difference]: Start difference. First operand 982 states and 1745 transitions. Second operand 5 states. [2020-12-23 08:52:02,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:02,176 INFO L93 Difference]: Finished difference Result 1607 states and 2814 transitions. [2020-12-23 08:52:02,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:52:02,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-12-23 08:52:02,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:02,185 INFO L225 Difference]: With dead ends: 1607 [2020-12-23 08:52:02,185 INFO L226 Difference]: Without dead ends: 1406 [2020-12-23 08:52:02,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:02,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2020-12-23 08:52:02,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1202. [2020-12-23 08:52:02,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1202 states. [2020-12-23 08:52:02,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 2142 transitions. [2020-12-23 08:52:02,288 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 2142 transitions. Word has length 65 [2020-12-23 08:52:02,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:02,289 INFO L481 AbstractCegarLoop]: Abstraction has 1202 states and 2142 transitions. [2020-12-23 08:52:02,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:02,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 2142 transitions. [2020-12-23 08:52:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:52:02,292 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:02,292 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] [2020-12-23 08:52:02,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:52:02,507 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:02,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:02,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1421693475, now seen corresponding path program 1 times [2020-12-23 08:52:02,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:02,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049308598] [2020-12-23 08:52:02,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:02,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:02,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049308598] [2020-12-23 08:52:02,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:02,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:02,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645906461] [2020-12-23 08:52:02,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:02,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:02,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:02,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:02,596 INFO L87 Difference]: Start difference. First operand 1202 states and 2142 transitions. Second operand 3 states. [2020-12-23 08:52:02,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:02,740 INFO L93 Difference]: Finished difference Result 3236 states and 5793 transitions. [2020-12-23 08:52:02,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:02,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-23 08:52:02,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:02,754 INFO L225 Difference]: With dead ends: 3236 [2020-12-23 08:52:02,754 INFO L226 Difference]: Without dead ends: 2135 [2020-12-23 08:52:02,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:02,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2135 states. [2020-12-23 08:52:02,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2135 to 1934. [2020-12-23 08:52:02,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1934 states. [2020-12-23 08:52:02,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1934 states and 3475 transitions. [2020-12-23 08:52:02,925 INFO L78 Accepts]: Start accepts. Automaton has 1934 states and 3475 transitions. Word has length 69 [2020-12-23 08:52:02,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:02,927 INFO L481 AbstractCegarLoop]: Abstraction has 1934 states and 3475 transitions. [2020-12-23 08:52:02,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:02,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 3475 transitions. [2020-12-23 08:52:02,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 08:52:02,931 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:02,931 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] [2020-12-23 08:52:02,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:52:02,931 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:02,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:02,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1084690525, now seen corresponding path program 1 times [2020-12-23 08:52:02,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:02,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412111747] [2020-12-23 08:52:02,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:03,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:03,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412111747] [2020-12-23 08:52:03,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:03,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:03,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426059742] [2020-12-23 08:52:03,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:03,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:03,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:03,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:03,032 INFO L87 Difference]: Start difference. First operand 1934 states and 3475 transitions. Second operand 3 states. [2020-12-23 08:52:03,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:03,235 INFO L93 Difference]: Finished difference Result 5168 states and 9311 transitions. [2020-12-23 08:52:03,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:03,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-23 08:52:03,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:03,255 INFO L225 Difference]: With dead ends: 5168 [2020-12-23 08:52:03,255 INFO L226 Difference]: Without dead ends: 3369 [2020-12-23 08:52:03,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:03,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3369 states. [2020-12-23 08:52:03,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3369 to 3168. [2020-12-23 08:52:03,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3168 states. [2020-12-23 08:52:03,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 3168 states and 5716 transitions. [2020-12-23 08:52:03,546 INFO L78 Accepts]: Start accepts. Automaton has 3168 states and 5716 transitions. Word has length 70 [2020-12-23 08:52:03,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:03,546 INFO L481 AbstractCegarLoop]: Abstraction has 3168 states and 5716 transitions. [2020-12-23 08:52:03,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:03,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 5716 transitions. [2020-12-23 08:52:03,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 08:52:03,552 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:03,552 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] [2020-12-23 08:52:03,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:52:03,553 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:03,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:03,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1234559956, now seen corresponding path program 1 times [2020-12-23 08:52:03,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:03,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541432842] [2020-12-23 08:52:03,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:03,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:03,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541432842] [2020-12-23 08:52:03,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:03,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:03,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765831468] [2020-12-23 08:52:03,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:03,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:03,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:03,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:03,637 INFO L87 Difference]: Start difference. First operand 3168 states and 5716 transitions. Second operand 3 states. [2020-12-23 08:52:04,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:04,002 INFO L93 Difference]: Finished difference Result 8586 states and 15517 transitions. [2020-12-23 08:52:04,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:04,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2020-12-23 08:52:04,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:04,033 INFO L225 Difference]: With dead ends: 8586 [2020-12-23 08:52:04,033 INFO L226 Difference]: Without dead ends: 5587 [2020-12-23 08:52:04,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:04,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5587 states. [2020-12-23 08:52:04,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5587 to 5386. [2020-12-23 08:52:04,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5386 states. [2020-12-23 08:52:04,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5386 states to 5386 states and 9733 transitions. [2020-12-23 08:52:04,374 INFO L78 Accepts]: Start accepts. Automaton has 5386 states and 9733 transitions. Word has length 71 [2020-12-23 08:52:04,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:04,374 INFO L481 AbstractCegarLoop]: Abstraction has 5386 states and 9733 transitions. [2020-12-23 08:52:04,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:04,375 INFO L276 IsEmpty]: Start isEmpty. Operand 5386 states and 9733 transitions. [2020-12-23 08:52:04,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 08:52:04,381 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:04,381 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] [2020-12-23 08:52:04,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:52:04,381 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:04,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:04,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1580216372, now seen corresponding path program 1 times [2020-12-23 08:52:04,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:04,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288273620] [2020-12-23 08:52:04,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:04,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:04,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288273620] [2020-12-23 08:52:04,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:04,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:04,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225062514] [2020-12-23 08:52:04,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:04,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:04,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:04,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:04,448 INFO L87 Difference]: Start difference. First operand 5386 states and 9733 transitions. Second operand 3 states. [2020-12-23 08:52:05,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:05,153 INFO L93 Difference]: Finished difference Result 15566 states and 28179 transitions. [2020-12-23 08:52:05,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:05,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-23 08:52:05,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:05,195 INFO L225 Difference]: With dead ends: 15566 [2020-12-23 08:52:05,195 INFO L226 Difference]: Without dead ends: 10357 [2020-12-23 08:52:05,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:05,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10357 states. [2020-12-23 08:52:05,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10357 to 10156. [2020-12-23 08:52:05,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10156 states. [2020-12-23 08:52:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10156 states to 10156 states and 18374 transitions. [2020-12-23 08:52:05,982 INFO L78 Accepts]: Start accepts. Automaton has 10156 states and 18374 transitions. Word has length 72 [2020-12-23 08:52:05,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:05,983 INFO L481 AbstractCegarLoop]: Abstraction has 10156 states and 18374 transitions. [2020-12-23 08:52:05,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:05,983 INFO L276 IsEmpty]: Start isEmpty. Operand 10156 states and 18374 transitions. [2020-12-23 08:52:05,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 08:52:05,993 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:05,993 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] [2020-12-23 08:52:05,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:52:05,993 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:05,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:05,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1789058237, now seen corresponding path program 1 times [2020-12-23 08:52:05,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:05,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919246797] [2020-12-23 08:52:05,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:06,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:06,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919246797] [2020-12-23 08:52:06,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:06,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:06,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787829629] [2020-12-23 08:52:06,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:06,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:06,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:06,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:06,070 INFO L87 Difference]: Start difference. First operand 10156 states and 18374 transitions. Second operand 3 states. [2020-12-23 08:52:07,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:07,149 INFO L93 Difference]: Finished difference Result 29706 states and 53801 transitions. [2020-12-23 08:52:07,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:07,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-12-23 08:52:07,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:07,215 INFO L225 Difference]: With dead ends: 29706 [2020-12-23 08:52:07,216 INFO L226 Difference]: Without dead ends: 19735 [2020-12-23 08:52:07,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:07,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19735 states. [2020-12-23 08:52:08,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19735 to 19534. [2020-12-23 08:52:08,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19534 states. [2020-12-23 08:52:08,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19534 states to 19534 states and 35335 transitions. [2020-12-23 08:52:08,393 INFO L78 Accepts]: Start accepts. Automaton has 19534 states and 35335 transitions. Word has length 73 [2020-12-23 08:52:08,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:08,394 INFO L481 AbstractCegarLoop]: Abstraction has 19534 states and 35335 transitions. [2020-12-23 08:52:08,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:08,394 INFO L276 IsEmpty]: Start isEmpty. Operand 19534 states and 35335 transitions. [2020-12-23 08:52:08,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 08:52:08,405 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:08,405 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] [2020-12-23 08:52:08,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:52:08,406 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:08,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:08,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1626900989, now seen corresponding path program 1 times [2020-12-23 08:52:08,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:08,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823788441] [2020-12-23 08:52:08,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:08,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823788441] [2020-12-23 08:52:08,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:08,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:08,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213102352] [2020-12-23 08:52:08,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:08,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:08,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:08,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:08,485 INFO L87 Difference]: Start difference. First operand 19534 states and 35335 transitions. Second operand 3 states. [2020-12-23 08:52:10,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:10,106 INFO L93 Difference]: Finished difference Result 58026 states and 104998 transitions. [2020-12-23 08:52:10,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:10,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 08:52:10,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:10,247 INFO L225 Difference]: With dead ends: 58026 [2020-12-23 08:52:10,247 INFO L226 Difference]: Without dead ends: 38681 [2020-12-23 08:52:10,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:10,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38681 states. [2020-12-23 08:52:12,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38681 to 38480. [2020-12-23 08:52:12,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38480 states. [2020-12-23 08:52:12,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38480 states to 38480 states and 69512 transitions. [2020-12-23 08:52:12,430 INFO L78 Accepts]: Start accepts. Automaton has 38480 states and 69512 transitions. Word has length 74 [2020-12-23 08:52:12,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:12,430 INFO L481 AbstractCegarLoop]: Abstraction has 38480 states and 69512 transitions. [2020-12-23 08:52:12,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:12,430 INFO L276 IsEmpty]: Start isEmpty. Operand 38480 states and 69512 transitions. [2020-12-23 08:52:12,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:52:12,442 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:12,443 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] [2020-12-23 08:52:12,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:52:12,443 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:12,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:12,444 INFO L82 PathProgramCache]: Analyzing trace with hash 891901162, now seen corresponding path program 1 times [2020-12-23 08:52:12,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:12,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850091447] [2020-12-23 08:52:12,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:12,539 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:52:12,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850091447] [2020-12-23 08:52:12,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:12,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:52:12,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984312977] [2020-12-23 08:52:12,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:12,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:12,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:12,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:12,545 INFO L87 Difference]: Start difference. First operand 38480 states and 69512 transitions. Second operand 5 states. [2020-12-23 08:52:15,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:15,453 INFO L93 Difference]: Finished difference Result 113135 states and 204335 transitions. [2020-12-23 08:52:15,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:52:15,454 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2020-12-23 08:52:15,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:15,651 INFO L225 Difference]: With dead ends: 113135 [2020-12-23 08:52:15,652 INFO L226 Difference]: Without dead ends: 74912 [2020-12-23 08:52:15,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:52:15,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74912 states. [2020-12-23 08:52:17,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74912 to 38480. [2020-12-23 08:52:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38480 states. [2020-12-23 08:52:17,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38480 states to 38480 states and 69254 transitions. [2020-12-23 08:52:17,690 INFO L78 Accepts]: Start accepts. Automaton has 38480 states and 69254 transitions. Word has length 75 [2020-12-23 08:52:17,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:17,690 INFO L481 AbstractCegarLoop]: Abstraction has 38480 states and 69254 transitions. [2020-12-23 08:52:17,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:17,691 INFO L276 IsEmpty]: Start isEmpty. Operand 38480 states and 69254 transitions. [2020-12-23 08:52:17,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:52:17,708 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:17,709 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] [2020-12-23 08:52:17,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:52:17,709 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:17,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:17,710 INFO L82 PathProgramCache]: Analyzing trace with hash 936290952, now seen corresponding path program 2 times [2020-12-23 08:52:17,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:17,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565376598] [2020-12-23 08:52:17,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:18,009 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 08:52:18,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565376598] [2020-12-23 08:52:18,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:18,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:52:18,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959536789] [2020-12-23 08:52:18,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:18,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:18,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:18,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:18,017 INFO L87 Difference]: Start difference. First operand 38480 states and 69254 transitions. Second operand 5 states. [2020-12-23 08:52:19,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:19,664 INFO L93 Difference]: Finished difference Result 76898 states and 138400 transitions. [2020-12-23 08:52:19,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:52:19,664 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2020-12-23 08:52:19,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:19,738 INFO L225 Difference]: With dead ends: 76898 [2020-12-23 08:52:19,738 INFO L226 Difference]: Without dead ends: 38681 [2020-12-23 08:52:19,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:52:19,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38681 states. [2020-12-23 08:52:21,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38681 to 38480. [2020-12-23 08:52:21,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38480 states. [2020-12-23 08:52:21,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38480 states to 38480 states and 69126 transitions. [2020-12-23 08:52:21,764 INFO L78 Accepts]: Start accepts. Automaton has 38480 states and 69126 transitions. Word has length 75 [2020-12-23 08:52:21,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:21,765 INFO L481 AbstractCegarLoop]: Abstraction has 38480 states and 69126 transitions. [2020-12-23 08:52:21,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:21,765 INFO L276 IsEmpty]: Start isEmpty. Operand 38480 states and 69126 transitions. [2020-12-23 08:52:21,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:52:21,777 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:21,777 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] [2020-12-23 08:52:21,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:52:21,778 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:21,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:21,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1018404149, now seen corresponding path program 1 times [2020-12-23 08:52:21,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:21,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501971634] [2020-12-23 08:52:21,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:21,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:21,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501971634] [2020-12-23 08:52:21,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:21,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:21,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653498898] [2020-12-23 08:52:21,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:21,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:21,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:21,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:21,860 INFO L87 Difference]: Start difference. First operand 38480 states and 69126 transitions. Second operand 3 states. [2020-12-23 08:52:24,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:24,578 INFO L93 Difference]: Finished difference Result 107020 states and 191978 transitions. [2020-12-23 08:52:24,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:24,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-23 08:52:24,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:24,713 INFO L225 Difference]: With dead ends: 107020 [2020-12-23 08:52:24,713 INFO L226 Difference]: Without dead ends: 68763 [2020-12-23 08:52:24,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:24,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68763 states. [2020-12-23 08:52:27,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68763 to 68562. [2020-12-23 08:52:27,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68562 states. [2020-12-23 08:52:28,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68562 states to 68562 states and 122631 transitions. [2020-12-23 08:52:28,265 INFO L78 Accepts]: Start accepts. Automaton has 68562 states and 122631 transitions. Word has length 75 [2020-12-23 08:52:28,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:28,265 INFO L481 AbstractCegarLoop]: Abstraction has 68562 states and 122631 transitions. [2020-12-23 08:52:28,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:28,265 INFO L276 IsEmpty]: Start isEmpty. Operand 68562 states and 122631 transitions. [2020-12-23 08:52:28,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 08:52:28,275 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:28,275 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] [2020-12-23 08:52:28,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:52:28,276 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:28,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:28,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1085753266, now seen corresponding path program 1 times [2020-12-23 08:52:28,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:28,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790615236] [2020-12-23 08:52:28,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:28,378 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:52:28,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790615236] [2020-12-23 08:52:28,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:28,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:52:28,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110342077] [2020-12-23 08:52:28,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:52:28,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:28,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:52:28,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:52:28,381 INFO L87 Difference]: Start difference. First operand 68562 states and 122631 transitions. Second operand 6 states. [2020-12-23 08:52:31,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:31,467 INFO L93 Difference]: Finished difference Result 68704 states and 122863 transitions. [2020-12-23 08:52:31,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:52:31,468 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 76 [2020-12-23 08:52:31,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:31,588 INFO L225 Difference]: With dead ends: 68704 [2020-12-23 08:52:31,588 INFO L226 Difference]: Without dead ends: 68562 [2020-12-23 08:52:31,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:52:31,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68562 states. [2020-12-23 08:52:34,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68562 to 68562. [2020-12-23 08:52:34,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68562 states. [2020-12-23 08:52:34,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68562 states to 68562 states and 122629 transitions. [2020-12-23 08:52:34,822 INFO L78 Accepts]: Start accepts. Automaton has 68562 states and 122629 transitions. Word has length 76 [2020-12-23 08:52:34,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:34,822 INFO L481 AbstractCegarLoop]: Abstraction has 68562 states and 122629 transitions. [2020-12-23 08:52:34,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:52:34,822 INFO L276 IsEmpty]: Start isEmpty. Operand 68562 states and 122629 transitions. [2020-12-23 08:52:34,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 08:52:34,834 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:34,834 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] [2020-12-23 08:52:34,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:52:34,834 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:34,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:34,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1265142232, now seen corresponding path program 1 times [2020-12-23 08:52:34,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:34,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85860241] [2020-12-23 08:52:34,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:52:34,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85860241] [2020-12-23 08:52:34,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:34,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:52:34,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085626845] [2020-12-23 08:52:34,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:34,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:34,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:34,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:34,930 INFO L87 Difference]: Start difference. First operand 68562 states and 122629 transitions. Second operand 5 states. [2020-12-23 08:52:38,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:38,046 INFO L93 Difference]: Finished difference Result 69367 states and 123933 transitions. [2020-12-23 08:52:38,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:52:38,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2020-12-23 08:52:38,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:38,159 INFO L225 Difference]: With dead ends: 69367 [2020-12-23 08:52:38,159 INFO L226 Difference]: Without dead ends: 69226 [2020-12-23 08:52:38,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:52:38,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69226 states. [2020-12-23 08:52:41,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69226 to 68687. [2020-12-23 08:52:41,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68687 states. [2020-12-23 08:52:41,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68687 states to 68687 states and 122831 transitions. [2020-12-23 08:52:41,442 INFO L78 Accepts]: Start accepts. Automaton has 68687 states and 122831 transitions. Word has length 79 [2020-12-23 08:52:41,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:41,443 INFO L481 AbstractCegarLoop]: Abstraction has 68687 states and 122831 transitions. [2020-12-23 08:52:41,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:41,443 INFO L276 IsEmpty]: Start isEmpty. Operand 68687 states and 122831 transitions. [2020-12-23 08:52:41,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 08:52:41,454 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:41,454 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] [2020-12-23 08:52:41,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:52:41,454 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:41,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:41,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1536692185, now seen corresponding path program 1 times [2020-12-23 08:52:41,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:41,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381761156] [2020-12-23 08:52:41,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:41,580 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:52:41,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381761156] [2020-12-23 08:52:41,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:41,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:52:41,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877445737] [2020-12-23 08:52:41,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:52:41,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:41,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:52:41,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:52:41,582 INFO L87 Difference]: Start difference. First operand 68687 states and 122831 transitions. Second operand 9 states. [2020-12-23 08:52:44,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:44,627 INFO L93 Difference]: Finished difference Result 69066 states and 123443 transitions. [2020-12-23 08:52:44,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:52:44,627 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2020-12-23 08:52:44,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:44,740 INFO L225 Difference]: With dead ends: 69066 [2020-12-23 08:52:44,740 INFO L226 Difference]: Without dead ends: 68803 [2020-12-23 08:52:44,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2020-12-23 08:52:44,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68803 states. [2020-12-23 08:52:47,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68803 to 68667. [2020-12-23 08:52:47,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68667 states. [2020-12-23 08:52:48,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68667 states to 68667 states and 122794 transitions. [2020-12-23 08:52:48,009 INFO L78 Accepts]: Start accepts. Automaton has 68667 states and 122794 transitions. Word has length 80 [2020-12-23 08:52:48,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:48,009 INFO L481 AbstractCegarLoop]: Abstraction has 68667 states and 122794 transitions. [2020-12-23 08:52:48,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:52:48,010 INFO L276 IsEmpty]: Start isEmpty. Operand 68667 states and 122794 transitions. [2020-12-23 08:52:48,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 08:52:48,034 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:48,034 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] [2020-12-23 08:52:48,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:52:48,034 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:48,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:48,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1320088978, now seen corresponding path program 1 times [2020-12-23 08:52:48,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:48,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049397919] [2020-12-23 08:52:48,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:48,128 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:52:48,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049397919] [2020-12-23 08:52:48,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:48,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:52:48,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232963900] [2020-12-23 08:52:48,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:48,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:48,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:48,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:48,130 INFO L87 Difference]: Start difference. First operand 68667 states and 122794 transitions. Second operand 5 states. [2020-12-23 08:52:51,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:51,025 INFO L93 Difference]: Finished difference Result 69773 states and 124534 transitions. [2020-12-23 08:52:51,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:52:51,025 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-12-23 08:52:51,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:51,135 INFO L225 Difference]: With dead ends: 69773 [2020-12-23 08:52:51,135 INFO L226 Difference]: Without dead ends: 69502 [2020-12-23 08:52:51,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:52:51,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69502 states. [2020-12-23 08:52:54,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69502 to 68887. [2020-12-23 08:52:54,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68887 states. [2020-12-23 08:52:54,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68887 states to 68887 states and 123142 transitions. [2020-12-23 08:52:54,254 INFO L78 Accepts]: Start accepts. Automaton has 68887 states and 123142 transitions. Word has length 92 [2020-12-23 08:52:54,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:54,254 INFO L481 AbstractCegarLoop]: Abstraction has 68887 states and 123142 transitions. [2020-12-23 08:52:54,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:54,254 INFO L276 IsEmpty]: Start isEmpty. Operand 68887 states and 123142 transitions. [2020-12-23 08:52:54,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 08:52:54,271 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:54,272 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] [2020-12-23 08:52:54,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:52:54,272 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:54,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:54,272 INFO L82 PathProgramCache]: Analyzing trace with hash -149572212, now seen corresponding path program 1 times [2020-12-23 08:52:54,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:54,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428299436] [2020-12-23 08:52:54,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:54,398 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:52:54,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428299436] [2020-12-23 08:52:54,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:54,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:52:54,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791139101] [2020-12-23 08:52:54,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:52:54,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:54,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:52:54,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:52:54,400 INFO L87 Difference]: Start difference. First operand 68887 states and 123142 transitions. Second operand 9 states. [2020-12-23 08:52:57,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:57,204 INFO L93 Difference]: Finished difference Result 69431 states and 124005 transitions. [2020-12-23 08:52:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:52:57,205 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-12-23 08:52:57,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:57,320 INFO L225 Difference]: With dead ends: 69431 [2020-12-23 08:52:57,320 INFO L226 Difference]: Without dead ends: 68954 [2020-12-23 08:52:57,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2020-12-23 08:52:57,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68954 states. [2020-12-23 08:53:00,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68954 to 68766. [2020-12-23 08:53:00,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68766 states. [2020-12-23 08:53:00,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68766 states to 68766 states and 122942 transitions. [2020-12-23 08:53:00,567 INFO L78 Accepts]: Start accepts. Automaton has 68766 states and 122942 transitions. Word has length 93 [2020-12-23 08:53:00,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:00,568 INFO L481 AbstractCegarLoop]: Abstraction has 68766 states and 122942 transitions. [2020-12-23 08:53:00,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:53:00,568 INFO L276 IsEmpty]: Start isEmpty. Operand 68766 states and 122942 transitions. [2020-12-23 08:53:00,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 08:53:00,586 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:00,586 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] [2020-12-23 08:53:00,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:53:00,587 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:00,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:00,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1136948228, now seen corresponding path program 1 times [2020-12-23 08:53:00,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:00,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972981917] [2020-12-23 08:53:00,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:53:00,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972981917] [2020-12-23 08:53:00,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:00,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:53:00,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583794862] [2020-12-23 08:53:00,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:53:00,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:00,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:53:00,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:53:00,739 INFO L87 Difference]: Start difference. First operand 68766 states and 122942 transitions. Second operand 10 states. [2020-12-23 08:53:02,074 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-23 08:53:04,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:04,833 INFO L93 Difference]: Finished difference Result 72018 states and 127969 transitions. [2020-12-23 08:53:04,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-23 08:53:04,834 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2020-12-23 08:53:04,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:04,947 INFO L225 Difference]: With dead ends: 72018 [2020-12-23 08:53:04,947 INFO L226 Difference]: Without dead ends: 71754 [2020-12-23 08:53:04,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=337, Invalid=923, Unknown=0, NotChecked=0, Total=1260 [2020-12-23 08:53:05,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71754 states. [2020-12-23 08:53:08,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71754 to 68973. [2020-12-23 08:53:08,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68973 states. [2020-12-23 08:53:08,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68973 states to 68973 states and 123259 transitions. [2020-12-23 08:53:08,439 INFO L78 Accepts]: Start accepts. Automaton has 68973 states and 123259 transitions. Word has length 95 [2020-12-23 08:53:08,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:08,439 INFO L481 AbstractCegarLoop]: Abstraction has 68973 states and 123259 transitions. [2020-12-23 08:53:08,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:53:08,444 INFO L276 IsEmpty]: Start isEmpty. Operand 68973 states and 123259 transitions. [2020-12-23 08:53:08,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 08:53:08,469 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:08,469 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] [2020-12-23 08:53:08,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:53:08,470 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:08,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:08,470 INFO L82 PathProgramCache]: Analyzing trace with hash -10601805, now seen corresponding path program 1 times [2020-12-23 08:53:08,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:08,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362027778] [2020-12-23 08:53:08,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:08,593 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 08:53:08,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362027778] [2020-12-23 08:53:08,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:08,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:53:08,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002806617] [2020-12-23 08:53:08,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:53:08,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:08,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:53:08,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:53:08,595 INFO L87 Difference]: Start difference. First operand 68973 states and 123259 transitions. Second operand 9 states. [2020-12-23 08:53:12,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:12,609 INFO L93 Difference]: Finished difference Result 72763 states and 129116 transitions. [2020-12-23 08:53:12,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-12-23 08:53:12,609 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2020-12-23 08:53:12,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:12,724 INFO L225 Difference]: With dead ends: 72763 [2020-12-23 08:53:12,724 INFO L226 Difference]: Without dead ends: 72362 [2020-12-23 08:53:12,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=306, Invalid=750, Unknown=0, NotChecked=0, Total=1056 [2020-12-23 08:53:12,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72362 states. [2020-12-23 08:53:15,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72362 to 69327. [2020-12-23 08:53:15,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69327 states. [2020-12-23 08:53:16,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69327 states to 69327 states and 123807 transitions. [2020-12-23 08:53:16,110 INFO L78 Accepts]: Start accepts. Automaton has 69327 states and 123807 transitions. Word has length 96 [2020-12-23 08:53:16,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:16,111 INFO L481 AbstractCegarLoop]: Abstraction has 69327 states and 123807 transitions. [2020-12-23 08:53:16,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:53:16,111 INFO L276 IsEmpty]: Start isEmpty. Operand 69327 states and 123807 transitions. [2020-12-23 08:53:16,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 08:53:16,139 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:16,139 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] [2020-12-23 08:53:16,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:53:16,139 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:16,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:16,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1324965953, now seen corresponding path program 1 times [2020-12-23 08:53:16,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:16,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130452460] [2020-12-23 08:53:16,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:16,292 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:53:16,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130452460] [2020-12-23 08:53:16,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:16,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:53:16,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070808312] [2020-12-23 08:53:16,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 08:53:16,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:16,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 08:53:16,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-12-23 08:53:16,294 INFO L87 Difference]: Start difference. First operand 69327 states and 123807 transitions. Second operand 12 states. [2020-12-23 08:53:27,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:27,734 INFO L93 Difference]: Finished difference Result 214897 states and 382053 transitions. [2020-12-23 08:53:27,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-23 08:53:27,734 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-12-23 08:53:27,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:28,393 INFO L225 Difference]: With dead ends: 214897 [2020-12-23 08:53:28,393 INFO L226 Difference]: Without dead ends: 214304 [2020-12-23 08:53:28,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=420, Invalid=912, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 08:53:28,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214304 states. [2020-12-23 08:53:36,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214304 to 139401. [2020-12-23 08:53:36,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139401 states. [2020-12-23 08:53:37,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139401 states to 139401 states and 248761 transitions. [2020-12-23 08:53:37,267 INFO L78 Accepts]: Start accepts. Automaton has 139401 states and 248761 transitions. Word has length 96 [2020-12-23 08:53:37,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:37,267 INFO L481 AbstractCegarLoop]: Abstraction has 139401 states and 248761 transitions. [2020-12-23 08:53:37,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 08:53:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 139401 states and 248761 transitions. [2020-12-23 08:53:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 08:53:37,322 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:37,323 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] [2020-12-23 08:53:37,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 08:53:37,323 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:37,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:37,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1236973801, now seen corresponding path program 1 times [2020-12-23 08:53:37,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:37,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045667555] [2020-12-23 08:53:37,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:53:37,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045667555] [2020-12-23 08:53:37,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:37,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:53:37,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298232209] [2020-12-23 08:53:37,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:53:37,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:37,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:53:37,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:53:37,436 INFO L87 Difference]: Start difference. First operand 139401 states and 248761 transitions. Second operand 7 states. [2020-12-23 08:53:43,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:43,841 INFO L93 Difference]: Finished difference Result 142971 states and 254260 transitions. [2020-12-23 08:53:43,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 08:53:43,841 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2020-12-23 08:53:43,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:44,123 INFO L225 Difference]: With dead ends: 142971 [2020-12-23 08:53:44,123 INFO L226 Difference]: Without dead ends: 140483 [2020-12-23 08:53:44,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-12-23 08:53:44,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140483 states. [2020-12-23 08:53:51,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140483 to 139259. [2020-12-23 08:53:51,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139259 states. [2020-12-23 08:53:52,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139259 states to 139259 states and 248535 transitions. [2020-12-23 08:53:52,074 INFO L78 Accepts]: Start accepts. Automaton has 139259 states and 248535 transitions. Word has length 96 [2020-12-23 08:53:52,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:52,074 INFO L481 AbstractCegarLoop]: Abstraction has 139259 states and 248535 transitions. [2020-12-23 08:53:52,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:53:52,074 INFO L276 IsEmpty]: Start isEmpty. Operand 139259 states and 248535 transitions. [2020-12-23 08:53:52,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 08:53:52,130 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:52,143 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] [2020-12-23 08:53:52,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 08:53:52,146 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:52,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:52,147 INFO L82 PathProgramCache]: Analyzing trace with hash 260627897, now seen corresponding path program 1 times [2020-12-23 08:53:52,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:52,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106524355] [2020-12-23 08:53:52,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:52,453 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:53:52,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106524355] [2020-12-23 08:53:52,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:52,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:53:52,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983530539] [2020-12-23 08:53:52,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 08:53:52,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:52,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 08:53:52,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-12-23 08:53:52,456 INFO L87 Difference]: Start difference. First operand 139259 states and 248535 transitions. Second operand 12 states. [2020-12-23 08:53:54,068 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-23 08:54:13,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:54:13,395 INFO L93 Difference]: Finished difference Result 359504 states and 638786 transitions. [2020-12-23 08:54:13,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-23 08:54:13,396 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-12-23 08:54:13,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:54:14,286 INFO L225 Difference]: With dead ends: 359504 [2020-12-23 08:54:14,286 INFO L226 Difference]: Without dead ends: 358293 [2020-12-23 08:54:14,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=420, Invalid=912, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 08:54:14,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358293 states. [2020-12-23 08:54:31,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358293 to 278884. [2020-12-23 08:54:31,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278884 states. [2020-12-23 08:54:32,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278884 states to 278884 states and 497589 transitions. [2020-12-23 08:54:32,216 INFO L78 Accepts]: Start accepts. Automaton has 278884 states and 497589 transitions. Word has length 97 [2020-12-23 08:54:32,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:54:32,216 INFO L481 AbstractCegarLoop]: Abstraction has 278884 states and 497589 transitions. [2020-12-23 08:54:32,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 08:54:32,217 INFO L276 IsEmpty]: Start isEmpty. Operand 278884 states and 497589 transitions. [2020-12-23 08:54:32,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 08:54:32,292 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:54:32,292 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] [2020-12-23 08:54:32,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 08:54:32,292 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:54:32,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:54:32,293 INFO L82 PathProgramCache]: Analyzing trace with hash -557020553, now seen corresponding path program 1 times [2020-12-23 08:54:32,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:54:32,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553950525] [2020-12-23 08:54:32,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:54:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:54:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:54:32,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553950525] [2020-12-23 08:54:32,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:54:32,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:54:32,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364871815] [2020-12-23 08:54:32,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:54:32,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:54:32,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:54:32,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:54:32,396 INFO L87 Difference]: Start difference. First operand 278884 states and 497589 transitions. Second operand 4 states. [2020-12-23 08:54:46,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:54:46,641 INFO L93 Difference]: Finished difference Result 287173 states and 510465 transitions. [2020-12-23 08:54:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:54:46,641 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2020-12-23 08:54:46,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:54:47,574 INFO L225 Difference]: With dead ends: 287173 [2020-12-23 08:54:47,574 INFO L226 Difference]: Without dead ends: 283485 [2020-12-23 08:54:47,656 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 08:54:47,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283485 states. [2020-12-23 08:55:03,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283485 to 278928. [2020-12-23 08:55:03,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278928 states. [2020-12-23 08:55:04,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278928 states to 278928 states and 497633 transitions. [2020-12-23 08:55:04,399 INFO L78 Accepts]: Start accepts. Automaton has 278928 states and 497633 transitions. Word has length 97 [2020-12-23 08:55:04,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:04,400 INFO L481 AbstractCegarLoop]: Abstraction has 278928 states and 497633 transitions. [2020-12-23 08:55:04,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:55:04,400 INFO L276 IsEmpty]: Start isEmpty. Operand 278928 states and 497633 transitions. [2020-12-23 08:55:04,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 08:55:04,477 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:04,477 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] [2020-12-23 08:55:04,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-23 08:55:04,477 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:04,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:04,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1984173619, now seen corresponding path program 1 times [2020-12-23 08:55:04,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:04,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369430294] [2020-12-23 08:55:04,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:04,605 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:55:04,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369430294] [2020-12-23 08:55:04,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:04,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:55:04,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050689741] [2020-12-23 08:55:04,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:55:04,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:04,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:55:04,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:55:04,607 INFO L87 Difference]: Start difference. First operand 278928 states and 497633 transitions. Second operand 9 states. [2020-12-23 08:55:20,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:20,722 INFO L93 Difference]: Finished difference Result 286895 states and 510005 transitions. [2020-12-23 08:55:20,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:55:20,722 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2020-12-23 08:55:20,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:21,608 INFO L225 Difference]: With dead ends: 286895 [2020-12-23 08:55:21,609 INFO L226 Difference]: Without dead ends: 283030 [2020-12-23 08:55:21,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2020-12-23 08:55:21,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283030 states.