/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_spec3_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:50:54,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:50:54,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:50:54,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:50:54,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:50:54,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:50:54,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:50:54,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:50:54,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:50:54,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:50:54,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:50:54,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:50:54,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:50:54,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:50:54,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:50:54,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:50:54,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:50:54,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:50:54,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:50:54,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:50:54,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:50:54,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:50:54,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:50:54,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:50:54,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:50:54,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:50:54,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:50:54,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:50:54,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:50:54,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:50:54,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:50:54,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:50:55,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:50:55,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:50:55,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:50:55,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:50:55,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:50:55,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:50:55,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:50:55,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:50:55,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:50:55,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:50:55,077 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:50:55,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:50:55,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:50:55,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:50:55,083 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:50:55,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:50:55,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:50:55,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:50:55,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:50:55,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:50:55,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:50:55,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:50:55,085 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:50:55,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:50:55,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:50:55,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:50:55,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:50:55,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:50:55,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:50:55,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:50:55,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:50:55,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:50:55,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:50:55,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:50:55,088 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:50:55,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:50:55,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:50:55,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:50:55,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:50:55,520 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:50:55,521 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:50:55,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product30.cil.c [2021-01-06 18:50:55,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2b78f5b77/fd338515626741e39c1e6b59f4aa9840/FLAG8e46af863 [2021-01-06 18:50:56,563 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:50:56,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product30.cil.c [2021-01-06 18:50:56,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2b78f5b77/fd338515626741e39c1e6b59f4aa9840/FLAG8e46af863 [2021-01-06 18:50:56,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2b78f5b77/fd338515626741e39c1e6b59f4aa9840 [2021-01-06 18:50:56,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:50:56,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:50:56,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:50:56,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:50:56,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:50:56,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:50:56" (1/1) ... [2021-01-06 18:50:56,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45093136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:50:56, skipping insertion in model container [2021-01-06 18:50:56,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:50:56" (1/1) ... [2021-01-06 18:50:56,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:50:56,725 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_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] [2021-01-06 18:50:56,982 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_spec3_product30.cil.c[4919,4932] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_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~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_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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~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_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~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_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~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_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~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_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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__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[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] 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_tmp5~2,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] 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~15,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] 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[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] 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[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~sent_signed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~23,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~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[~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[~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[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] 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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] 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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] 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~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[~retValue_acc~36,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] 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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] 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[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 18:50:57,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:50:57,617 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_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] [2021-01-06 18:50:57,657 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_spec3_product30.cil.c[4919,4932] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_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~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_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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~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_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~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_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~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_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~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_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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__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[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] 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_tmp5~2,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] 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~15,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] 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[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] 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[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~sent_signed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~23,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~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[~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[~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[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] 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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] 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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] 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~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[~retValue_acc~36,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] 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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] 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[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 18:50:57,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:50:57,870 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:50:57,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:50:57 WrapperNode [2021-01-06 18:50:57,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:50:57,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:50:57,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:50:57,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:50:57,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:50:57" (1/1) ... [2021-01-06 18:50:57,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:50:57" (1/1) ... [2021-01-06 18:50:58,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:50:58,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:50:58,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:50:58,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:50:58,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:50:57" (1/1) ... [2021-01-06 18:50:58,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:50:57" (1/1) ... [2021-01-06 18:50:58,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:50:57" (1/1) ... [2021-01-06 18:50:58,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:50:57" (1/1) ... [2021-01-06 18:50:58,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:50:57" (1/1) ... [2021-01-06 18:50:58,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:50:57" (1/1) ... [2021-01-06 18:50:58,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:50:57" (1/1) ... [2021-01-06 18:50:58,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:50:58,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:50:58,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:50:58,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:50:58,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:50:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:50:58,335 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:50:58,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:50:58,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:50:58,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:50:58,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:51:00,826 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:51:00,827 INFO L299 CfgBuilder]: Removed 339 assume(true) statements. [2021-01-06 18:51:00,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:51:00 BoogieIcfgContainer [2021-01-06 18:51:00,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:51:00,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:51:00,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:51:00,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:51:00,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:50:56" (1/3) ... [2021-01-06 18:51:00,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c670c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:51:00, skipping insertion in model container [2021-01-06 18:51:00,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:50:57" (2/3) ... [2021-01-06 18:51:00,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c670c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:51:00, skipping insertion in model container [2021-01-06 18:51:00,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:51:00" (3/3) ... [2021-01-06 18:51:00,839 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec3_product30.cil.c [2021-01-06 18:51:00,846 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:51:00,852 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-01-06 18:51:00,873 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-06 18:51:00,906 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:51:00,906 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:51:00,907 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:51:00,907 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:51:00,907 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:51:00,907 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:51:00,907 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:51:00,907 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:51:00,935 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states. [2021-01-06 18:51:00,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 18:51:00,952 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:00,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:00,953 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:00,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:00,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1854750238, now seen corresponding path program 1 times [2021-01-06 18:51:00,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:00,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033031646] [2021-01-06 18:51:00,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:01,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:01,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033031646] [2021-01-06 18:51:01,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:01,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:51:01,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136088619] [2021-01-06 18:51:01,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:51:01,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:01,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:51:01,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:01,503 INFO L87 Difference]: Start difference. First operand 543 states. Second operand 3 states. [2021-01-06 18:51:01,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:01,659 INFO L93 Difference]: Finished difference Result 1594 states and 2786 transitions. [2021-01-06 18:51:01,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:51:01,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2021-01-06 18:51:01,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:01,689 INFO L225 Difference]: With dead ends: 1594 [2021-01-06 18:51:01,689 INFO L226 Difference]: Without dead ends: 960 [2021-01-06 18:51:01,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:01,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2021-01-06 18:51:01,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 489. [2021-01-06 18:51:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2021-01-06 18:51:01,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 848 transitions. [2021-01-06 18:51:01,824 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 848 transitions. Word has length 57 [2021-01-06 18:51:01,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:01,825 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 848 transitions. [2021-01-06 18:51:01,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:51:01,825 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 848 transitions. [2021-01-06 18:51:01,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 18:51:01,829 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:01,830 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:01,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:51:01,830 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:01,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:01,831 INFO L82 PathProgramCache]: Analyzing trace with hash 240993195, now seen corresponding path program 1 times [2021-01-06 18:51:01,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:01,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936565489] [2021-01-06 18:51:01,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:01,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:01,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936565489] [2021-01-06 18:51:01,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:01,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:51:01,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289962268] [2021-01-06 18:51:01,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:51:01,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:01,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:51:01,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:51:01,972 INFO L87 Difference]: Start difference. First operand 489 states and 848 transitions. Second operand 5 states. [2021-01-06 18:51:02,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:02,183 INFO L93 Difference]: Finished difference Result 1416 states and 2460 transitions. [2021-01-06 18:51:02,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:51:02,184 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2021-01-06 18:51:02,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:02,191 INFO L225 Difference]: With dead ends: 1416 [2021-01-06 18:51:02,191 INFO L226 Difference]: Without dead ends: 946 [2021-01-06 18:51:02,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:51:02,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2021-01-06 18:51:02,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 489. [2021-01-06 18:51:02,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2021-01-06 18:51:02,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 847 transitions. [2021-01-06 18:51:02,270 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 847 transitions. Word has length 59 [2021-01-06 18:51:02,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:02,270 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 847 transitions. [2021-01-06 18:51:02,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:51:02,271 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 847 transitions. [2021-01-06 18:51:02,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 18:51:02,275 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:02,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:02,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:51:02,277 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:02,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:02,280 INFO L82 PathProgramCache]: Analyzing trace with hash 179418174, now seen corresponding path program 1 times [2021-01-06 18:51:02,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:02,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751325382] [2021-01-06 18:51:02,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:02,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:02,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751325382] [2021-01-06 18:51:02,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:02,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:51:02,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111818118] [2021-01-06 18:51:02,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:51:02,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:02,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:51:02,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:02,441 INFO L87 Difference]: Start difference. First operand 489 states and 847 transitions. Second operand 3 states. [2021-01-06 18:51:02,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:02,505 INFO L93 Difference]: Finished difference Result 960 states and 1668 transitions. [2021-01-06 18:51:02,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:51:02,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2021-01-06 18:51:02,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:02,509 INFO L225 Difference]: With dead ends: 960 [2021-01-06 18:51:02,509 INFO L226 Difference]: Without dead ends: 494 [2021-01-06 18:51:02,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:02,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-01-06 18:51:02,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 489. [2021-01-06 18:51:02,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2021-01-06 18:51:02,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 846 transitions. [2021-01-06 18:51:02,531 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 846 transitions. Word has length 60 [2021-01-06 18:51:02,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:02,531 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 846 transitions. [2021-01-06 18:51:02,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:51:02,531 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 846 transitions. [2021-01-06 18:51:02,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 18:51:02,533 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:02,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:02,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:51:02,533 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:02,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:02,534 INFO L82 PathProgramCache]: Analyzing trace with hash -703641672, now seen corresponding path program 1 times [2021-01-06 18:51:02,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:02,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556341408] [2021-01-06 18:51:02,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:02,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:02,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556341408] [2021-01-06 18:51:02,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:02,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:51:02,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801293994] [2021-01-06 18:51:02,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:51:02,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:02,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:51:02,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:02,674 INFO L87 Difference]: Start difference. First operand 489 states and 846 transitions. Second operand 3 states. [2021-01-06 18:51:02,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:02,712 INFO L93 Difference]: Finished difference Result 970 states and 1681 transitions. [2021-01-06 18:51:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:51:02,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 18:51:02,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:02,716 INFO L225 Difference]: With dead ends: 970 [2021-01-06 18:51:02,716 INFO L226 Difference]: Without dead ends: 489 [2021-01-06 18:51:02,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:02,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2021-01-06 18:51:02,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2021-01-06 18:51:02,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2021-01-06 18:51:02,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 844 transitions. [2021-01-06 18:51:02,739 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 844 transitions. Word has length 61 [2021-01-06 18:51:02,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:02,739 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 844 transitions. [2021-01-06 18:51:02,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:51:02,739 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 844 transitions. [2021-01-06 18:51:02,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 18:51:02,741 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:02,741 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:02,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:51:02,741 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:02,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:02,742 INFO L82 PathProgramCache]: Analyzing trace with hash 2072506371, now seen corresponding path program 1 times [2021-01-06 18:51:02,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:02,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320780988] [2021-01-06 18:51:02,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:02,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:02,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320780988] [2021-01-06 18:51:02,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:02,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:51:02,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614222468] [2021-01-06 18:51:02,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:51:02,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:02,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:51:02,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:51:02,879 INFO L87 Difference]: Start difference. First operand 489 states and 844 transitions. Second operand 5 states. [2021-01-06 18:51:03,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:03,065 INFO L93 Difference]: Finished difference Result 1406 states and 2440 transitions. [2021-01-06 18:51:03,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:51:03,066 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2021-01-06 18:51:03,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:03,072 INFO L225 Difference]: With dead ends: 1406 [2021-01-06 18:51:03,072 INFO L226 Difference]: Without dead ends: 944 [2021-01-06 18:51:03,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:51:03,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2021-01-06 18:51:03,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 489. [2021-01-06 18:51:03,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2021-01-06 18:51:03,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 843 transitions. [2021-01-06 18:51:03,109 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 843 transitions. Word has length 62 [2021-01-06 18:51:03,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:03,110 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 843 transitions. [2021-01-06 18:51:03,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:51:03,110 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 843 transitions. [2021-01-06 18:51:03,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-01-06 18:51:03,111 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:03,112 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] [2021-01-06 18:51:03,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:51:03,112 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:03,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:03,113 INFO L82 PathProgramCache]: Analyzing trace with hash -86049408, now seen corresponding path program 1 times [2021-01-06 18:51:03,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:03,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145561961] [2021-01-06 18:51:03,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:03,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:03,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145561961] [2021-01-06 18:51:03,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:03,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:51:03,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47774680] [2021-01-06 18:51:03,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:51:03,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:03,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:51:03,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:51:03,197 INFO L87 Difference]: Start difference. First operand 489 states and 843 transitions. Second operand 5 states. [2021-01-06 18:51:03,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:03,365 INFO L93 Difference]: Finished difference Result 1411 states and 2445 transitions. [2021-01-06 18:51:03,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:51:03,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2021-01-06 18:51:03,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:03,373 INFO L225 Difference]: With dead ends: 1411 [2021-01-06 18:51:03,373 INFO L226 Difference]: Without dead ends: 949 [2021-01-06 18:51:03,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:51:03,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2021-01-06 18:51:03,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 489. [2021-01-06 18:51:03,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2021-01-06 18:51:03,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 842 transitions. [2021-01-06 18:51:03,411 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 842 transitions. Word has length 63 [2021-01-06 18:51:03,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:03,411 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 842 transitions. [2021-01-06 18:51:03,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:51:03,411 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 842 transitions. [2021-01-06 18:51:03,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 18:51:03,412 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:03,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:03,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:51:03,413 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:03,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:03,413 INFO L82 PathProgramCache]: Analyzing trace with hash -525285016, now seen corresponding path program 1 times [2021-01-06 18:51:03,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:03,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210329060] [2021-01-06 18:51:03,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:03,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:03,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210329060] [2021-01-06 18:51:03,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:03,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:51:03,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381733761] [2021-01-06 18:51:03,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:51:03,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:03,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:51:03,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:03,532 INFO L87 Difference]: Start difference. First operand 489 states and 842 transitions. Second operand 3 states. [2021-01-06 18:51:03,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:03,574 INFO L93 Difference]: Finished difference Result 740 states and 1260 transitions. [2021-01-06 18:51:03,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:51:03,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2021-01-06 18:51:03,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:03,578 INFO L225 Difference]: With dead ends: 740 [2021-01-06 18:51:03,578 INFO L226 Difference]: Without dead ends: 492 [2021-01-06 18:51:03,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:03,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2021-01-06 18:51:03,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 491. [2021-01-06 18:51:03,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2021-01-06 18:51:03,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 844 transitions. [2021-01-06 18:51:03,609 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 844 transitions. Word has length 64 [2021-01-06 18:51:03,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:03,611 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 844 transitions. [2021-01-06 18:51:03,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:51:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 844 transitions. [2021-01-06 18:51:03,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:51:03,613 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:03,613 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:03,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:51:03,613 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:03,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:03,614 INFO L82 PathProgramCache]: Analyzing trace with hash -812096966, now seen corresponding path program 1 times [2021-01-06 18:51:03,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:03,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071463762] [2021-01-06 18:51:03,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:03,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071463762] [2021-01-06 18:51:03,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:03,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:51:03,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529899723] [2021-01-06 18:51:03,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:51:03,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:03,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:51:03,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:03,719 INFO L87 Difference]: Start difference. First operand 491 states and 844 transitions. Second operand 3 states. [2021-01-06 18:51:03,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:03,779 INFO L93 Difference]: Finished difference Result 1359 states and 2356 transitions. [2021-01-06 18:51:03,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:51:03,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2021-01-06 18:51:03,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:03,785 INFO L225 Difference]: With dead ends: 1359 [2021-01-06 18:51:03,786 INFO L226 Difference]: Without dead ends: 899 [2021-01-06 18:51:03,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:03,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2021-01-06 18:51:03,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 651. [2021-01-06 18:51:03,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2021-01-06 18:51:03,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1137 transitions. [2021-01-06 18:51:03,830 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1137 transitions. Word has length 72 [2021-01-06 18:51:03,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:03,831 INFO L481 AbstractCegarLoop]: Abstraction has 651 states and 1137 transitions. [2021-01-06 18:51:03,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:51:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1137 transitions. [2021-01-06 18:51:03,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 18:51:03,839 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:03,840 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:03,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:51:03,840 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:03,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:03,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1233374917, now seen corresponding path program 1 times [2021-01-06 18:51:03,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:03,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521363546] [2021-01-06 18:51:03,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:03,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:03,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521363546] [2021-01-06 18:51:03,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:03,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:51:03,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292966361] [2021-01-06 18:51:03,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:51:03,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:03,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:51:03,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:51:03,959 INFO L87 Difference]: Start difference. First operand 651 states and 1137 transitions. Second operand 5 states. [2021-01-06 18:51:04,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:04,237 INFO L93 Difference]: Finished difference Result 1883 states and 3317 transitions. [2021-01-06 18:51:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:51:04,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2021-01-06 18:51:04,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:04,245 INFO L225 Difference]: With dead ends: 1883 [2021-01-06 18:51:04,246 INFO L226 Difference]: Without dead ends: 1263 [2021-01-06 18:51:04,247 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:51:04,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1263 states. [2021-01-06 18:51:04,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1263 to 651. [2021-01-06 18:51:04,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2021-01-06 18:51:04,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1135 transitions. [2021-01-06 18:51:04,314 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1135 transitions. Word has length 73 [2021-01-06 18:51:04,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:04,314 INFO L481 AbstractCegarLoop]: Abstraction has 651 states and 1135 transitions. [2021-01-06 18:51:04,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:51:04,314 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1135 transitions. [2021-01-06 18:51:04,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:51:04,316 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:04,316 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:04,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:51:04,317 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:04,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:04,317 INFO L82 PathProgramCache]: Analyzing trace with hash 728832324, now seen corresponding path program 1 times [2021-01-06 18:51:04,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:04,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149692089] [2021-01-06 18:51:04,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:04,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149692089] [2021-01-06 18:51:04,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:04,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:51:04,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858365334] [2021-01-06 18:51:04,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:51:04,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:04,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:51:04,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:04,402 INFO L87 Difference]: Start difference. First operand 651 states and 1135 transitions. Second operand 3 states. [2021-01-06 18:51:04,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:04,491 INFO L93 Difference]: Finished difference Result 1881 states and 3309 transitions. [2021-01-06 18:51:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:51:04,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2021-01-06 18:51:04,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:04,502 INFO L225 Difference]: With dead ends: 1881 [2021-01-06 18:51:04,502 INFO L226 Difference]: Without dead ends: 1261 [2021-01-06 18:51:04,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:04,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2021-01-06 18:51:04,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 1013. [2021-01-06 18:51:04,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1013 states. [2021-01-06 18:51:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1798 transitions. [2021-01-06 18:51:04,577 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1798 transitions. Word has length 74 [2021-01-06 18:51:04,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:04,577 INFO L481 AbstractCegarLoop]: Abstraction has 1013 states and 1798 transitions. [2021-01-06 18:51:04,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:51:04,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1798 transitions. [2021-01-06 18:51:04,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:51:04,580 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:04,580 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:04,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:51:04,580 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:04,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:04,581 INFO L82 PathProgramCache]: Analyzing trace with hash 2052011366, now seen corresponding path program 1 times [2021-01-06 18:51:04,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:04,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141815997] [2021-01-06 18:51:04,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:04,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:04,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141815997] [2021-01-06 18:51:04,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793163380] [2021-01-06 18:51:04,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:51:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:05,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:51:05,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:51:05,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:05,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:51:05,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:51:05,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254484124] [2021-01-06 18:51:05,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:51:05,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:05,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:51:05,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:51:05,242 INFO L87 Difference]: Start difference. First operand 1013 states and 1798 transitions. Second operand 5 states. [2021-01-06 18:51:05,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:05,396 INFO L93 Difference]: Finished difference Result 1728 states and 3022 transitions. [2021-01-06 18:51:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:51:05,396 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2021-01-06 18:51:05,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:05,406 INFO L225 Difference]: With dead ends: 1728 [2021-01-06 18:51:05,406 INFO L226 Difference]: Without dead ends: 1480 [2021-01-06 18:51:05,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:51:05,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states. [2021-01-06 18:51:05,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 1229. [2021-01-06 18:51:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1229 states. [2021-01-06 18:51:05,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 2188 transitions. [2021-01-06 18:51:05,512 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 2188 transitions. Word has length 74 [2021-01-06 18:51:05,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:05,513 INFO L481 AbstractCegarLoop]: Abstraction has 1229 states and 2188 transitions. [2021-01-06 18:51:05,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:51:05,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 2188 transitions. [2021-01-06 18:51:05,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:51:05,516 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:05,516 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:05,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:51:05,730 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:05,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:05,731 INFO L82 PathProgramCache]: Analyzing trace with hash -32928887, now seen corresponding path program 1 times [2021-01-06 18:51:05,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:05,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055789578] [2021-01-06 18:51:05,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:05,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055789578] [2021-01-06 18:51:05,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:05,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:51:05,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651070082] [2021-01-06 18:51:05,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:51:05,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:05,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:51:05,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:05,816 INFO L87 Difference]: Start difference. First operand 1229 states and 2188 transitions. Second operand 3 states. [2021-01-06 18:51:05,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:05,994 INFO L93 Difference]: Finished difference Result 3321 states and 5938 transitions. [2021-01-06 18:51:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:51:05,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2021-01-06 18:51:05,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:06,008 INFO L225 Difference]: With dead ends: 3321 [2021-01-06 18:51:06,008 INFO L226 Difference]: Without dead ends: 2193 [2021-01-06 18:51:06,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:06,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2021-01-06 18:51:06,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 1945. [2021-01-06 18:51:06,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1945 states. [2021-01-06 18:51:06,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 3493 transitions. [2021-01-06 18:51:06,180 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 3493 transitions. Word has length 78 [2021-01-06 18:51:06,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:06,182 INFO L481 AbstractCegarLoop]: Abstraction has 1945 states and 3493 transitions. [2021-01-06 18:51:06,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:51:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 3493 transitions. [2021-01-06 18:51:06,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:51:06,186 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:06,187 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:06,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:51:06,187 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:06,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:06,188 INFO L82 PathProgramCache]: Analyzing trace with hash -2132337143, now seen corresponding path program 1 times [2021-01-06 18:51:06,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:06,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047008575] [2021-01-06 18:51:06,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:06,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:06,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047008575] [2021-01-06 18:51:06,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:06,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:51:06,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530671084] [2021-01-06 18:51:06,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:51:06,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:06,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:51:06,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:06,279 INFO L87 Difference]: Start difference. First operand 1945 states and 3493 transitions. Second operand 3 states. [2021-01-06 18:51:06,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:06,480 INFO L93 Difference]: Finished difference Result 5205 states and 9372 transitions. [2021-01-06 18:51:06,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:51:06,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2021-01-06 18:51:06,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:06,504 INFO L225 Difference]: With dead ends: 5205 [2021-01-06 18:51:06,505 INFO L226 Difference]: Without dead ends: 3395 [2021-01-06 18:51:06,509 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:06,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3395 states. [2021-01-06 18:51:06,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3395 to 3147. [2021-01-06 18:51:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3147 states. [2021-01-06 18:51:06,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3147 states to 3147 states and 5678 transitions. [2021-01-06 18:51:06,795 INFO L78 Accepts]: Start accepts. Automaton has 3147 states and 5678 transitions. Word has length 79 [2021-01-06 18:51:06,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:06,795 INFO L481 AbstractCegarLoop]: Abstraction has 3147 states and 5678 transitions. [2021-01-06 18:51:06,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:51:06,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3147 states and 5678 transitions. [2021-01-06 18:51:06,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:51:06,804 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:06,804 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:06,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:51:06,805 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:06,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:06,805 INFO L82 PathProgramCache]: Analyzing trace with hash 2081116408, now seen corresponding path program 1 times [2021-01-06 18:51:06,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:06,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388261878] [2021-01-06 18:51:06,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:06,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:06,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388261878] [2021-01-06 18:51:06,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:06,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:51:06,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081633385] [2021-01-06 18:51:06,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:51:06,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:06,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:51:06,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:06,885 INFO L87 Difference]: Start difference. First operand 3147 states and 5678 transitions. Second operand 3 states. [2021-01-06 18:51:07,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:07,209 INFO L93 Difference]: Finished difference Result 8527 states and 15410 transitions. [2021-01-06 18:51:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:51:07,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2021-01-06 18:51:07,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:07,241 INFO L225 Difference]: With dead ends: 8527 [2021-01-06 18:51:07,241 INFO L226 Difference]: Without dead ends: 5549 [2021-01-06 18:51:07,247 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:07,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5549 states. [2021-01-06 18:51:07,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5549 to 5301. [2021-01-06 18:51:07,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5301 states. [2021-01-06 18:51:07,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5301 states to 5301 states and 9583 transitions. [2021-01-06 18:51:07,638 INFO L78 Accepts]: Start accepts. Automaton has 5301 states and 9583 transitions. Word has length 80 [2021-01-06 18:51:07,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:07,638 INFO L481 AbstractCegarLoop]: Abstraction has 5301 states and 9583 transitions. [2021-01-06 18:51:07,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:51:07,638 INFO L276 IsEmpty]: Start isEmpty. Operand 5301 states and 9583 transitions. [2021-01-06 18:51:07,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 18:51:07,647 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:07,647 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:07,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:51:07,648 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:07,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:07,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1573974168, now seen corresponding path program 1 times [2021-01-06 18:51:07,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:07,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301372221] [2021-01-06 18:51:07,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:07,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:07,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301372221] [2021-01-06 18:51:07,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:07,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:51:07,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138038348] [2021-01-06 18:51:07,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:51:07,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:07,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:51:07,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:07,728 INFO L87 Difference]: Start difference. First operand 5301 states and 9583 transitions. Second operand 3 states. [2021-01-06 18:51:08,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:08,480 INFO L93 Difference]: Finished difference Result 15447 states and 27967 transitions. [2021-01-06 18:51:08,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:51:08,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2021-01-06 18:51:08,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:08,567 INFO L225 Difference]: With dead ends: 15447 [2021-01-06 18:51:08,567 INFO L226 Difference]: Without dead ends: 10319 [2021-01-06 18:51:08,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:08,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10319 states. [2021-01-06 18:51:09,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10319 to 10071. [2021-01-06 18:51:09,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10071 states. [2021-01-06 18:51:09,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10071 states to 10071 states and 18224 transitions. [2021-01-06 18:51:09,429 INFO L78 Accepts]: Start accepts. Automaton has 10071 states and 18224 transitions. Word has length 81 [2021-01-06 18:51:09,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:09,429 INFO L481 AbstractCegarLoop]: Abstraction has 10071 states and 18224 transitions. [2021-01-06 18:51:09,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:51:09,429 INFO L276 IsEmpty]: Start isEmpty. Operand 10071 states and 18224 transitions. [2021-01-06 18:51:09,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:51:09,442 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:09,442 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:09,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:51:09,442 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:09,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:09,443 INFO L82 PathProgramCache]: Analyzing trace with hash 2127756905, now seen corresponding path program 1 times [2021-01-06 18:51:09,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:09,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654896044] [2021-01-06 18:51:09,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:09,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:09,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654896044] [2021-01-06 18:51:09,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:09,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:51:09,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942130642] [2021-01-06 18:51:09,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:51:09,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:09,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:51:09,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:09,525 INFO L87 Difference]: Start difference. First operand 10071 states and 18224 transitions. Second operand 3 states. [2021-01-06 18:51:10,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:10,651 INFO L93 Difference]: Finished difference Result 29459 states and 53365 transitions. [2021-01-06 18:51:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:51:10,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2021-01-06 18:51:10,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:10,716 INFO L225 Difference]: With dead ends: 29459 [2021-01-06 18:51:10,716 INFO L226 Difference]: Without dead ends: 19569 [2021-01-06 18:51:10,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:10,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19569 states. [2021-01-06 18:51:11,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19569 to 19321. [2021-01-06 18:51:11,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19321 states. [2021-01-06 18:51:11,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19321 states to 19321 states and 34961 transitions. [2021-01-06 18:51:11,775 INFO L78 Accepts]: Start accepts. Automaton has 19321 states and 34961 transitions. Word has length 82 [2021-01-06 18:51:11,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:11,776 INFO L481 AbstractCegarLoop]: Abstraction has 19321 states and 34961 transitions. [2021-01-06 18:51:11,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:51:11,776 INFO L276 IsEmpty]: Start isEmpty. Operand 19321 states and 34961 transitions. [2021-01-06 18:51:11,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:51:11,792 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:11,793 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:11,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:51:11,793 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:11,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:11,794 INFO L82 PathProgramCache]: Analyzing trace with hash -137669610, now seen corresponding path program 1 times [2021-01-06 18:51:11,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:11,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946153857] [2021-01-06 18:51:11,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:11,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:11,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946153857] [2021-01-06 18:51:11,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:11,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:51:11,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396178782] [2021-01-06 18:51:11,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:51:11,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:11,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:51:11,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:11,976 INFO L87 Difference]: Start difference. First operand 19321 states and 34961 transitions. Second operand 3 states. [2021-01-06 18:51:14,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:14,092 INFO L93 Difference]: Finished difference Result 57395 states and 103890 transitions. [2021-01-06 18:51:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:51:14,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2021-01-06 18:51:14,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:14,222 INFO L225 Difference]: With dead ends: 57395 [2021-01-06 18:51:14,223 INFO L226 Difference]: Without dead ends: 38259 [2021-01-06 18:51:14,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:14,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38259 states. [2021-01-06 18:51:16,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38259 to 38011. [2021-01-06 18:51:16,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38011 states. [2021-01-06 18:51:16,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38011 states to 38011 states and 68690 transitions. [2021-01-06 18:51:16,250 INFO L78 Accepts]: Start accepts. Automaton has 38011 states and 68690 transitions. Word has length 83 [2021-01-06 18:51:16,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:16,250 INFO L481 AbstractCegarLoop]: Abstraction has 38011 states and 68690 transitions. [2021-01-06 18:51:16,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:51:16,251 INFO L276 IsEmpty]: Start isEmpty. Operand 38011 states and 68690 transitions. [2021-01-06 18:51:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 18:51:16,276 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:16,276 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:16,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:51:16,276 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:16,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:16,277 INFO L82 PathProgramCache]: Analyzing trace with hash 690954178, now seen corresponding path program 1 times [2021-01-06 18:51:16,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:16,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196399753] [2021-01-06 18:51:16,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:16,370 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:51:16,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196399753] [2021-01-06 18:51:16,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:16,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:51:16,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360836665] [2021-01-06 18:51:16,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:51:16,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:16,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:51:16,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:51:16,373 INFO L87 Difference]: Start difference. First operand 38011 states and 68690 transitions. Second operand 5 states. [2021-01-06 18:51:19,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:19,559 INFO L93 Difference]: Finished difference Result 111736 states and 201883 transitions. [2021-01-06 18:51:19,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:51:19,559 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2021-01-06 18:51:19,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:19,721 INFO L225 Difference]: With dead ends: 111736 [2021-01-06 18:51:19,721 INFO L226 Difference]: Without dead ends: 73978 [2021-01-06 18:51:19,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:51:19,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73978 states. [2021-01-06 18:51:22,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73978 to 38011. [2021-01-06 18:51:22,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38011 states. [2021-01-06 18:51:22,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38011 states to 38011 states and 68432 transitions. [2021-01-06 18:51:22,077 INFO L78 Accepts]: Start accepts. Automaton has 38011 states and 68432 transitions. Word has length 84 [2021-01-06 18:51:22,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:22,077 INFO L481 AbstractCegarLoop]: Abstraction has 38011 states and 68432 transitions. [2021-01-06 18:51:22,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:51:22,077 INFO L276 IsEmpty]: Start isEmpty. Operand 38011 states and 68432 transitions. [2021-01-06 18:51:22,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 18:51:22,095 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:22,095 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:22,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:51:22,096 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:22,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:22,096 INFO L82 PathProgramCache]: Analyzing trace with hash 2014133220, now seen corresponding path program 2 times [2021-01-06 18:51:22,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:22,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112095349] [2021-01-06 18:51:22,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:22,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112095349] [2021-01-06 18:51:22,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:22,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:51:22,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900237539] [2021-01-06 18:51:22,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:51:22,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:22,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:51:22,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:22,159 INFO L87 Difference]: Start difference. First operand 38011 states and 68432 transitions. Second operand 3 states. [2021-01-06 18:51:23,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:23,851 INFO L93 Difference]: Finished difference Result 76011 states and 136844 transitions. [2021-01-06 18:51:23,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:51:23,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2021-01-06 18:51:23,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:23,936 INFO L225 Difference]: With dead ends: 76011 [2021-01-06 18:51:23,936 INFO L226 Difference]: Without dead ends: 38259 [2021-01-06 18:51:23,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:24,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38259 states. [2021-01-06 18:51:25,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38259 to 38011. [2021-01-06 18:51:25,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38011 states. [2021-01-06 18:51:25,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38011 states to 38011 states and 68304 transitions. [2021-01-06 18:51:25,658 INFO L78 Accepts]: Start accepts. Automaton has 38011 states and 68304 transitions. Word has length 84 [2021-01-06 18:51:25,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:25,659 INFO L481 AbstractCegarLoop]: Abstraction has 38011 states and 68304 transitions. [2021-01-06 18:51:25,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:51:25,659 INFO L276 IsEmpty]: Start isEmpty. Operand 38011 states and 68304 transitions. [2021-01-06 18:51:25,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 18:51:25,678 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:25,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:25,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:51:25,678 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:25,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:25,679 INFO L82 PathProgramCache]: Analyzing trace with hash 508797527, now seen corresponding path program 1 times [2021-01-06 18:51:25,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:25,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556299541] [2021-01-06 18:51:25,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:25,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:25,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556299541] [2021-01-06 18:51:25,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:25,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:51:25,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339433801] [2021-01-06 18:51:25,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:51:25,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:25,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:51:25,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:25,766 INFO L87 Difference]: Start difference. First operand 38011 states and 68304 transitions. Second operand 3 states. [2021-01-06 18:51:28,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:28,078 INFO L93 Difference]: Finished difference Result 105621 states and 189526 transitions. [2021-01-06 18:51:28,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:51:28,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2021-01-06 18:51:28,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:28,336 INFO L225 Difference]: With dead ends: 105621 [2021-01-06 18:51:28,336 INFO L226 Difference]: Without dead ends: 67829 [2021-01-06 18:51:28,374 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:51:28,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67829 states. [2021-01-06 18:51:31,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67829 to 67581. [2021-01-06 18:51:31,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67581 states. [2021-01-06 18:51:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67581 states to 67581 states and 120913 transitions. [2021-01-06 18:51:31,797 INFO L78 Accepts]: Start accepts. Automaton has 67581 states and 120913 transitions. Word has length 84 [2021-01-06 18:51:31,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:31,797 INFO L481 AbstractCegarLoop]: Abstraction has 67581 states and 120913 transitions. [2021-01-06 18:51:31,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:51:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 67581 states and 120913 transitions. [2021-01-06 18:51:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 18:51:31,816 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:31,816 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:31,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:51:31,816 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:31,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:31,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1700744414, now seen corresponding path program 1 times [2021-01-06 18:51:31,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:31,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958328822] [2021-01-06 18:51:31,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:51:31,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958328822] [2021-01-06 18:51:31,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:31,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:51:31,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325752170] [2021-01-06 18:51:32,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:51:32,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:32,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:51:32,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:51:32,001 INFO L87 Difference]: Start difference. First operand 67581 states and 120913 transitions. Second operand 9 states. [2021-01-06 18:51:38,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:38,323 INFO L93 Difference]: Finished difference Result 136888 states and 244610 transitions. [2021-01-06 18:51:38,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-06 18:51:38,323 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2021-01-06 18:51:38,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:38,593 INFO L225 Difference]: With dead ends: 136888 [2021-01-06 18:51:38,594 INFO L226 Difference]: Without dead ends: 136671 [2021-01-06 18:51:38,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552 [2021-01-06 18:51:38,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136671 states. [2021-01-06 18:51:44,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136671 to 134907. [2021-01-06 18:51:44,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134907 states. [2021-01-06 18:51:44,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134907 states to 134907 states and 241409 transitions. [2021-01-06 18:51:44,666 INFO L78 Accepts]: Start accepts. Automaton has 134907 states and 241409 transitions. Word has length 85 [2021-01-06 18:51:44,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:44,667 INFO L481 AbstractCegarLoop]: Abstraction has 134907 states and 241409 transitions. [2021-01-06 18:51:44,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:51:44,667 INFO L276 IsEmpty]: Start isEmpty. Operand 134907 states and 241409 transitions. [2021-01-06 18:51:44,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 18:51:44,690 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:44,690 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:44,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:51:44,691 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:44,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:44,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1045297285, now seen corresponding path program 1 times [2021-01-06 18:51:44,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:44,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354441415] [2021-01-06 18:51:44,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:45,149 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-01-06 18:51:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:51:45,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354441415] [2021-01-06 18:51:45,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:45,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:51:45,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549991269] [2021-01-06 18:51:45,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:51:45,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:45,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:51:45,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:51:45,169 INFO L87 Difference]: Start difference. First operand 134907 states and 241409 transitions. Second operand 7 states. [2021-01-06 18:51:49,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:49,768 INFO L93 Difference]: Finished difference Result 135459 states and 242310 transitions. [2021-01-06 18:51:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:51:49,769 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2021-01-06 18:51:49,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:50,019 INFO L225 Difference]: With dead ends: 135459 [2021-01-06 18:51:50,019 INFO L226 Difference]: Without dead ends: 135095 [2021-01-06 18:51:50,051 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-01-06 18:51:50,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135095 states. [2021-01-06 18:51:55,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135095 to 134895. [2021-01-06 18:51:55,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134895 states. [2021-01-06 18:51:55,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134895 states to 134895 states and 241382 transitions. [2021-01-06 18:51:55,983 INFO L78 Accepts]: Start accepts. Automaton has 134895 states and 241382 transitions. Word has length 86 [2021-01-06 18:51:55,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:55,983 INFO L481 AbstractCegarLoop]: Abstraction has 134895 states and 241382 transitions. [2021-01-06 18:51:55,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:51:55,983 INFO L276 IsEmpty]: Start isEmpty. Operand 134895 states and 241382 transitions. [2021-01-06 18:51:56,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 18:51:56,004 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:56,004 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:51:56,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:51:56,005 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:56,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:56,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1523441571, now seen corresponding path program 1 times [2021-01-06 18:51:56,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:56,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343309018] [2021-01-06 18:51:56,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:51:56,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343309018] [2021-01-06 18:51:56,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:56,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:51:56,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794577723] [2021-01-06 18:51:56,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:51:56,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:56,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:51:56,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:51:56,081 INFO L87 Difference]: Start difference. First operand 134895 states and 241382 transitions. Second operand 4 states. [2021-01-06 18:52:03,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:03,170 INFO L93 Difference]: Finished difference Result 203396 states and 363796 transitions. [2021-01-06 18:52:03,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:52:03,170 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 86 [2021-01-06 18:52:03,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:03,725 INFO L225 Difference]: With dead ends: 203396 [2021-01-06 18:52:03,725 INFO L226 Difference]: Without dead ends: 203044 [2021-01-06 18:52:03,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:52:03,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203044 states. [2021-01-06 18:52:12,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203044 to 202429. [2021-01-06 18:52:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202429 states. [2021-01-06 18:52:12,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202429 states to 202429 states and 362219 transitions. [2021-01-06 18:52:12,997 INFO L78 Accepts]: Start accepts. Automaton has 202429 states and 362219 transitions. Word has length 86 [2021-01-06 18:52:12,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:12,997 INFO L481 AbstractCegarLoop]: Abstraction has 202429 states and 362219 transitions. [2021-01-06 18:52:12,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:52:12,997 INFO L276 IsEmpty]: Start isEmpty. Operand 202429 states and 362219 transitions. [2021-01-06 18:52:13,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 18:52:13,072 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:13,072 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:13,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:52:13,072 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:13,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:13,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1663990181, now seen corresponding path program 1 times [2021-01-06 18:52:13,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:13,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105368388] [2021-01-06 18:52:13,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:13,189 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:52:13,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105368388] [2021-01-06 18:52:13,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:13,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:52:13,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654142861] [2021-01-06 18:52:13,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:52:13,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:13,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:52:13,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:52:13,191 INFO L87 Difference]: Start difference. First operand 202429 states and 362219 transitions. Second operand 9 states. [2021-01-06 18:52:21,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:21,448 INFO L93 Difference]: Finished difference Result 205886 states and 367896 transitions. [2021-01-06 18:52:21,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 18:52:21,448 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2021-01-06 18:52:21,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:21,867 INFO L225 Difference]: With dead ends: 205886 [2021-01-06 18:52:21,868 INFO L226 Difference]: Without dead ends: 205305 [2021-01-06 18:52:21,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-01-06 18:52:22,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205305 states. [2021-01-06 18:52:30,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205305 to 202539. [2021-01-06 18:52:30,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202539 states. [2021-01-06 18:52:31,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202539 states to 202539 states and 362392 transitions. [2021-01-06 18:52:31,459 INFO L78 Accepts]: Start accepts. Automaton has 202539 states and 362392 transitions. Word has length 86 [2021-01-06 18:52:31,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:31,459 INFO L481 AbstractCegarLoop]: Abstraction has 202539 states and 362392 transitions. [2021-01-06 18:52:31,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:52:31,459 INFO L276 IsEmpty]: Start isEmpty. Operand 202539 states and 362392 transitions. [2021-01-06 18:52:31,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-01-06 18:52:31,513 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:31,514 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] [2021-01-06 18:52:31,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:52:31,514 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:31,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:31,515 INFO L82 PathProgramCache]: Analyzing trace with hash 2118270134, now seen corresponding path program 1 times [2021-01-06 18:52:31,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:31,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780465293] [2021-01-06 18:52:31,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:31,622 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:31,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780465293] [2021-01-06 18:52:31,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938230765] [2021-01-06 18:52:31,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:52:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:31,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 18:52:31,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:52:32,084 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:32,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:52:32,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-01-06 18:52:32,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618960265] [2021-01-06 18:52:32,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:52:32,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:32,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:52:32,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:52:32,086 INFO L87 Difference]: Start difference. First operand 202539 states and 362392 transitions. Second operand 10 states. [2021-01-06 18:52:42,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:42,815 INFO L93 Difference]: Finished difference Result 222079 states and 395069 transitions. [2021-01-06 18:52:42,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-01-06 18:52:42,815 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 87 [2021-01-06 18:52:42,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:43,231 INFO L225 Difference]: With dead ends: 222079 [2021-01-06 18:52:43,231 INFO L226 Difference]: Without dead ends: 220734 [2021-01-06 18:52:43,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2021-01-06 18:52:43,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220734 states. [2021-01-06 18:52:54,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220734 to 208255. [2021-01-06 18:52:54,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208255 states. [2021-01-06 18:52:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208255 states to 208255 states and 372297 transitions. [2021-01-06 18:52:55,124 INFO L78 Accepts]: Start accepts. Automaton has 208255 states and 372297 transitions. Word has length 87 [2021-01-06 18:52:55,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:55,124 INFO L481 AbstractCegarLoop]: Abstraction has 208255 states and 372297 transitions. [2021-01-06 18:52:55,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:52:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 208255 states and 372297 transitions. [2021-01-06 18:52:55,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 18:52:55,165 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:55,166 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:55,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-01-06 18:52:55,380 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:55,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:55,381 INFO L82 PathProgramCache]: Analyzing trace with hash -703051699, now seen corresponding path program 1 times [2021-01-06 18:52:55,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:55,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516250602] [2021-01-06 18:52:55,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:55,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:55,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516250602] [2021-01-06 18:52:55,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:55,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:52:55,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007383186] [2021-01-06 18:52:55,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:52:55,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:55,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:52:55,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:55,453 INFO L87 Difference]: Start difference. First operand 208255 states and 372297 transitions. Second operand 3 states. [2021-01-06 18:53:12,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:12,849 INFO L93 Difference]: Finished difference Result 608534 states and 1088154 transitions. [2021-01-06 18:53:12,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:53:12,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2021-01-06 18:53:12,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:14,235 INFO L225 Difference]: With dead ends: 608534 [2021-01-06 18:53:14,235 INFO L226 Difference]: Without dead ends: 404052 [2021-01-06 18:53:14,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:14,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404052 states. [2021-01-06 18:53:34,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404052 to 402190. [2021-01-06 18:53:34,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402190 states. [2021-01-06 18:53:35,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402190 states to 402190 states and 717794 transitions. [2021-01-06 18:53:35,994 INFO L78 Accepts]: Start accepts. Automaton has 402190 states and 717794 transitions. Word has length 88 [2021-01-06 18:53:35,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:35,995 INFO L481 AbstractCegarLoop]: Abstraction has 402190 states and 717794 transitions. [2021-01-06 18:53:35,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:53:35,995 INFO L276 IsEmpty]: Start isEmpty. Operand 402190 states and 717794 transitions. [2021-01-06 18:53:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-01-06 18:53:36,044 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:36,044 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:53:36,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:53:36,044 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:36,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:36,045 INFO L82 PathProgramCache]: Analyzing trace with hash 175528185, now seen corresponding path program 1 times [2021-01-06 18:53:36,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:36,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314108431] [2021-01-06 18:53:36,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:36,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:53:36,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314108431] [2021-01-06 18:53:36,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:36,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:53:36,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003198328] [2021-01-06 18:53:36,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:53:36,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:36,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:53:36,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:36,164 INFO L87 Difference]: Start difference. First operand 402190 states and 717794 transitions. Second operand 3 states.