/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_spec11_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:38:18,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:38:18,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:38:18,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:38:18,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:38:18,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:38:18,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:38:18,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:38:18,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:38:18,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:38:18,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:38:18,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:38:18,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:38:18,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:38:18,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:38:18,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:38:18,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:38:18,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:38:18,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:38:18,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:38:18,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:38:18,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:38:18,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:38:18,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:38:18,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:38:18,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:38:18,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:38:18,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:38:18,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:38:18,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:38:18,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:38:18,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:38:18,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:38:18,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:38:18,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:38:18,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:38:19,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:38:19,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:38:19,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:38:19,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:38:19,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:38:19,004 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 18:38:19,031 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:38:19,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:38:19,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:38:19,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:38:19,033 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:38:19,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:38:19,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:38:19,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:38:19,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:38:19,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:38:19,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:38:19,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:38:19,035 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:38:19,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:38:19,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:38:19,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:38:19,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:38:19,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:38:19,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:38:19,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:38:19,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:38:19,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:38:19,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:38:19,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:38:19,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:38:19,053 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:38:19,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:38:19,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:38:19,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:38:19,495 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:38:19,498 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:38:19,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product18.cil.c [2021-01-06 18:38:19,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/581e4141b/fcf324f8c90a4d9480265a38ffb4d36e/FLAG89eac26a8 [2021-01-06 18:38:20,551 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:38:20,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product18.cil.c [2021-01-06 18:38:20,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/581e4141b/fcf324f8c90a4d9480265a38ffb4d36e/FLAG89eac26a8 [2021-01-06 18:38:20,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/581e4141b/fcf324f8c90a4d9480265a38ffb4d36e [2021-01-06 18:38:20,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:38:20,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:38:20,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:38:20,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:38:20,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:38:20,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:38:20" (1/1) ... [2021-01-06 18:38:20,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e71180c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:20, skipping insertion in model container [2021-01-06 18:38:20,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:38:20" (1/1) ... [2021-01-06 18:38:20,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:38:20,783 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~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___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~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_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~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_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~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_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~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[~__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~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_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~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_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[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] 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~34,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] 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~36,] 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[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] 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~38,] 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[~__cil_tmp4~4,] 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[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2021-01-06 18:38:21,425 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_spec11_product18.cil.c[57581,57594] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] [2021-01-06 18:38:21,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:38:21,481 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~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___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~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_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~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_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~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_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~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[~__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~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_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~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_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[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] 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~34,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] 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~36,] 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[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] 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~38,] 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[~__cil_tmp4~4,] 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[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2021-01-06 18:38:21,655 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_spec11_product18.cil.c[57581,57594] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] [2021-01-06 18:38:21,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:38:21,781 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:38:21,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:21 WrapperNode [2021-01-06 18:38:21,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:38:21,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:38:21,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:38:21,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:38:21,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:21" (1/1) ... [2021-01-06 18:38:21,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:21" (1/1) ... [2021-01-06 18:38:21,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:38:21,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:38:21,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:38:21,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:38:22,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:21" (1/1) ... [2021-01-06 18:38:22,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:21" (1/1) ... [2021-01-06 18:38:22,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:21" (1/1) ... [2021-01-06 18:38:22,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:21" (1/1) ... [2021-01-06 18:38:22,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:21" (1/1) ... [2021-01-06 18:38:22,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:21" (1/1) ... [2021-01-06 18:38:22,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:21" (1/1) ... [2021-01-06 18:38:22,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:38:22,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:38:22,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:38:22,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:38:22,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:21" (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 18:38:22,277 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:38:22,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:38:22,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:38:22,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:38:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:38:24,802 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:38:24,803 INFO L299 CfgBuilder]: Removed 259 assume(true) statements. [2021-01-06 18:38:24,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:38:24 BoogieIcfgContainer [2021-01-06 18:38:24,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:38:24,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:38:24,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:38:24,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:38:24,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:38:20" (1/3) ... [2021-01-06 18:38:24,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c5e597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:38:24, skipping insertion in model container [2021-01-06 18:38:24,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:38:21" (2/3) ... [2021-01-06 18:38:24,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c5e597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:38:24, skipping insertion in model container [2021-01-06 18:38:24,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:38:24" (3/3) ... [2021-01-06 18:38:24,817 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product18.cil.c [2021-01-06 18:38:24,825 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:38:24,831 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 18:38:24,853 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 18:38:24,888 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:38:24,888 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:38:24,888 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:38:24,888 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:38:24,888 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:38:24,889 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:38:24,889 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:38:24,889 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:38:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states. [2021-01-06 18:38:24,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-06 18:38:24,931 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:24,932 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:38:24,933 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:24,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:24,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1400822452, now seen corresponding path program 1 times [2021-01-06 18:38:24,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:24,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80055484] [2021-01-06 18:38:24,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:25,412 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 18:38:25,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80055484] [2021-01-06 18:38:25,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:25,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:25,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49202025] [2021-01-06 18:38:25,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:25,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:25,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:25,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:25,445 INFO L87 Difference]: Start difference. First operand 397 states. Second operand 3 states. [2021-01-06 18:38:25,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:25,610 INFO L93 Difference]: Finished difference Result 1156 states and 2024 transitions. [2021-01-06 18:38:25,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:25,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2021-01-06 18:38:25,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:25,659 INFO L225 Difference]: With dead ends: 1156 [2021-01-06 18:38:25,659 INFO L226 Difference]: Without dead ends: 752 [2021-01-06 18:38:25,667 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 18:38:25,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2021-01-06 18:38:25,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 385. [2021-01-06 18:38:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2021-01-06 18:38:25,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 668 transitions. [2021-01-06 18:38:25,770 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 668 transitions. Word has length 45 [2021-01-06 18:38:25,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:25,770 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 668 transitions. [2021-01-06 18:38:25,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:25,770 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 668 transitions. [2021-01-06 18:38:25,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 18:38:25,781 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:25,782 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:38:25,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:38:25,783 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:25,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:25,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1435806119, now seen corresponding path program 1 times [2021-01-06 18:38:25,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:25,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413123469] [2021-01-06 18:38:25,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:26,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:26,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413123469] [2021-01-06 18:38:26,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:26,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:38:26,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866698322] [2021-01-06 18:38:26,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:38:26,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:26,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:38:26,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:38:26,036 INFO L87 Difference]: Start difference. First operand 385 states and 668 transitions. Second operand 5 states. [2021-01-06 18:38:26,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:26,291 INFO L93 Difference]: Finished difference Result 1104 states and 1920 transitions. [2021-01-06 18:38:26,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:38:26,292 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2021-01-06 18:38:26,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:26,300 INFO L225 Difference]: With dead ends: 1104 [2021-01-06 18:38:26,301 INFO L226 Difference]: Without dead ends: 738 [2021-01-06 18:38:26,304 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 18:38:26,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2021-01-06 18:38:26,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 385. [2021-01-06 18:38:26,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2021-01-06 18:38:26,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 667 transitions. [2021-01-06 18:38:26,350 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 667 transitions. Word has length 47 [2021-01-06 18:38:26,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:26,350 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 667 transitions. [2021-01-06 18:38:26,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:38:26,350 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 667 transitions. [2021-01-06 18:38:26,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 18:38:26,355 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:26,355 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:38:26,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:38:26,356 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:26,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:26,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1947061100, now seen corresponding path program 1 times [2021-01-06 18:38:26,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:26,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423104444] [2021-01-06 18:38:26,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:26,501 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 18:38:26,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423104444] [2021-01-06 18:38:26,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:26,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:26,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397594505] [2021-01-06 18:38:26,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:26,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:26,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:26,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:26,505 INFO L87 Difference]: Start difference. First operand 385 states and 667 transitions. Second operand 3 states. [2021-01-06 18:38:26,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:26,549 INFO L93 Difference]: Finished difference Result 752 states and 1308 transitions. [2021-01-06 18:38:26,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:26,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-01-06 18:38:26,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:26,552 INFO L225 Difference]: With dead ends: 752 [2021-01-06 18:38:26,553 INFO L226 Difference]: Without dead ends: 390 [2021-01-06 18:38:26,554 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 18:38:26,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2021-01-06 18:38:26,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 385. [2021-01-06 18:38:26,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2021-01-06 18:38:26,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 666 transitions. [2021-01-06 18:38:26,576 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 666 transitions. Word has length 48 [2021-01-06 18:38:26,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:26,583 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 666 transitions. [2021-01-06 18:38:26,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:26,583 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 666 transitions. [2021-01-06 18:38:26,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 18:38:26,588 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:26,588 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] [2021-01-06 18:38:26,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:38:26,589 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:26,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:26,589 INFO L82 PathProgramCache]: Analyzing trace with hash 140592614, now seen corresponding path program 1 times [2021-01-06 18:38:26,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:26,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115195858] [2021-01-06 18:38:26,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:26,713 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 18:38:26,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115195858] [2021-01-06 18:38:26,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:26,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:26,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369706106] [2021-01-06 18:38:26,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:26,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:26,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:26,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:26,717 INFO L87 Difference]: Start difference. First operand 385 states and 666 transitions. Second operand 3 states. [2021-01-06 18:38:26,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:26,761 INFO L93 Difference]: Finished difference Result 762 states and 1321 transitions. [2021-01-06 18:38:26,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:26,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2021-01-06 18:38:26,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:26,765 INFO L225 Difference]: With dead ends: 762 [2021-01-06 18:38:26,765 INFO L226 Difference]: Without dead ends: 385 [2021-01-06 18:38:26,766 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 18:38:26,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2021-01-06 18:38:26,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2021-01-06 18:38:26,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2021-01-06 18:38:26,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 664 transitions. [2021-01-06 18:38:26,784 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 664 transitions. Word has length 49 [2021-01-06 18:38:26,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:26,785 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 664 transitions. [2021-01-06 18:38:26,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:26,785 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 664 transitions. [2021-01-06 18:38:26,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 18:38:26,786 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:26,786 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:38:26,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:38:26,787 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:26,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:26,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1941161649, now seen corresponding path program 1 times [2021-01-06 18:38:26,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:26,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303057884] [2021-01-06 18:38:26,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:26,872 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 18:38:26,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303057884] [2021-01-06 18:38:26,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:26,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:38:26,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427635326] [2021-01-06 18:38:26,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:38:26,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:26,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:38:26,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:38:26,874 INFO L87 Difference]: Start difference. First operand 385 states and 664 transitions. Second operand 5 states. [2021-01-06 18:38:27,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:27,062 INFO L93 Difference]: Finished difference Result 1094 states and 1900 transitions. [2021-01-06 18:38:27,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:38:27,063 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2021-01-06 18:38:27,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:27,070 INFO L225 Difference]: With dead ends: 1094 [2021-01-06 18:38:27,070 INFO L226 Difference]: Without dead ends: 736 [2021-01-06 18:38:27,071 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 18:38:27,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2021-01-06 18:38:27,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 385. [2021-01-06 18:38:27,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2021-01-06 18:38:27,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 663 transitions. [2021-01-06 18:38:27,096 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 663 transitions. Word has length 50 [2021-01-06 18:38:27,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:27,097 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 663 transitions. [2021-01-06 18:38:27,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:38:27,097 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 663 transitions. [2021-01-06 18:38:27,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 18:38:27,099 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:27,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:38:27,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:38:27,100 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:27,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:27,101 INFO L82 PathProgramCache]: Analyzing trace with hash -50501714, now seen corresponding path program 1 times [2021-01-06 18:38:27,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:27,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257450901] [2021-01-06 18:38:27,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:27,258 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 18:38:27,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257450901] [2021-01-06 18:38:27,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:27,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:38:27,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811199702] [2021-01-06 18:38:27,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:38:27,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:27,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:38:27,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:38:27,263 INFO L87 Difference]: Start difference. First operand 385 states and 663 transitions. Second operand 5 states. [2021-01-06 18:38:27,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:27,443 INFO L93 Difference]: Finished difference Result 1099 states and 1905 transitions. [2021-01-06 18:38:27,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:38:27,444 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-01-06 18:38:27,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:27,448 INFO L225 Difference]: With dead ends: 1099 [2021-01-06 18:38:27,449 INFO L226 Difference]: Without dead ends: 741 [2021-01-06 18:38:27,450 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 18:38:27,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2021-01-06 18:38:27,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 385. [2021-01-06 18:38:27,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2021-01-06 18:38:27,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 662 transitions. [2021-01-06 18:38:27,478 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 662 transitions. Word has length 51 [2021-01-06 18:38:27,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:27,479 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 662 transitions. [2021-01-06 18:38:27,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:38:27,479 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 662 transitions. [2021-01-06 18:38:27,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-06 18:38:27,480 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:27,480 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:38:27,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:38:27,482 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:27,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:27,486 INFO L82 PathProgramCache]: Analyzing trace with hash 91475862, now seen corresponding path program 1 times [2021-01-06 18:38:27,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:27,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404374750] [2021-01-06 18:38:27,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:27,580 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 18:38:27,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404374750] [2021-01-06 18:38:27,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:27,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:27,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036398160] [2021-01-06 18:38:27,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:27,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:27,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:27,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:27,583 INFO L87 Difference]: Start difference. First operand 385 states and 662 transitions. Second operand 3 states. [2021-01-06 18:38:27,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:27,619 INFO L93 Difference]: Finished difference Result 532 states and 900 transitions. [2021-01-06 18:38:27,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:27,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2021-01-06 18:38:27,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:27,622 INFO L225 Difference]: With dead ends: 532 [2021-01-06 18:38:27,623 INFO L226 Difference]: Without dead ends: 388 [2021-01-06 18:38:27,624 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 18:38:27,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-01-06 18:38:27,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 387. [2021-01-06 18:38:27,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2021-01-06 18:38:27,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 664 transitions. [2021-01-06 18:38:27,655 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 664 transitions. Word has length 52 [2021-01-06 18:38:27,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:27,655 INFO L481 AbstractCegarLoop]: Abstraction has 387 states and 664 transitions. [2021-01-06 18:38:27,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:27,655 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 664 transitions. [2021-01-06 18:38:27,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 18:38:27,656 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:27,657 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] [2021-01-06 18:38:27,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:38:27,657 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:27,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:27,658 INFO L82 PathProgramCache]: Analyzing trace with hash -219376792, now seen corresponding path program 1 times [2021-01-06 18:38:27,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:27,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951999509] [2021-01-06 18:38:27,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:27,759 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 18:38:27,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951999509] [2021-01-06 18:38:27,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:27,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:27,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391466825] [2021-01-06 18:38:27,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:27,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:27,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:27,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:27,762 INFO L87 Difference]: Start difference. First operand 387 states and 664 transitions. Second operand 3 states. [2021-01-06 18:38:27,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:27,814 INFO L93 Difference]: Finished difference Result 1047 states and 1816 transitions. [2021-01-06 18:38:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:27,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2021-01-06 18:38:27,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:27,821 INFO L225 Difference]: With dead ends: 1047 [2021-01-06 18:38:27,821 INFO L226 Difference]: Without dead ends: 691 [2021-01-06 18:38:27,823 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 18:38:27,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2021-01-06 18:38:27,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 547. [2021-01-06 18:38:27,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2021-01-06 18:38:27,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 957 transitions. [2021-01-06 18:38:27,876 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 957 transitions. Word has length 60 [2021-01-06 18:38:27,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:27,877 INFO L481 AbstractCegarLoop]: Abstraction has 547 states and 957 transitions. [2021-01-06 18:38:27,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:27,877 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 957 transitions. [2021-01-06 18:38:27,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 18:38:27,878 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:27,878 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] [2021-01-06 18:38:27,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:38:27,881 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:27,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:27,882 INFO L82 PathProgramCache]: Analyzing trace with hash 601234409, now seen corresponding path program 1 times [2021-01-06 18:38:27,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:27,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862224511] [2021-01-06 18:38:27,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:27,974 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 18:38:27,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862224511] [2021-01-06 18:38:27,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:27,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:38:27,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25453739] [2021-01-06 18:38:27,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:38:27,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:27,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:38:27,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:38:27,982 INFO L87 Difference]: Start difference. First operand 547 states and 957 transitions. Second operand 5 states. [2021-01-06 18:38:28,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:28,230 INFO L93 Difference]: Finished difference Result 1571 states and 2777 transitions. [2021-01-06 18:38:28,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:38:28,230 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2021-01-06 18:38:28,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:28,237 INFO L225 Difference]: With dead ends: 1571 [2021-01-06 18:38:28,237 INFO L226 Difference]: Without dead ends: 1055 [2021-01-06 18:38:28,239 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 18:38:28,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2021-01-06 18:38:28,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 547. [2021-01-06 18:38:28,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2021-01-06 18:38:28,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 955 transitions. [2021-01-06 18:38:28,305 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 955 transitions. Word has length 61 [2021-01-06 18:38:28,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:28,305 INFO L481 AbstractCegarLoop]: Abstraction has 547 states and 955 transitions. [2021-01-06 18:38:28,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:38:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 955 transitions. [2021-01-06 18:38:28,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 18:38:28,307 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:28,307 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] [2021-01-06 18:38:28,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:38:28,308 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:28,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:28,308 INFO L82 PathProgramCache]: Analyzing trace with hash 422054258, now seen corresponding path program 1 times [2021-01-06 18:38:28,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:28,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103300532] [2021-01-06 18:38:28,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:28,376 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 18:38:28,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103300532] [2021-01-06 18:38:28,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:28,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:28,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033545725] [2021-01-06 18:38:28,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:28,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:28,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:28,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:28,378 INFO L87 Difference]: Start difference. First operand 547 states and 955 transitions. Second operand 3 states. [2021-01-06 18:38:28,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:28,457 INFO L93 Difference]: Finished difference Result 1569 states and 2769 transitions. [2021-01-06 18:38:28,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:28,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2021-01-06 18:38:28,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:28,465 INFO L225 Difference]: With dead ends: 1569 [2021-01-06 18:38:28,465 INFO L226 Difference]: Without dead ends: 1053 [2021-01-06 18:38:28,467 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 18:38:28,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2021-01-06 18:38:28,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 909. [2021-01-06 18:38:28,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2021-01-06 18:38:28,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1618 transitions. [2021-01-06 18:38:28,581 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1618 transitions. Word has length 62 [2021-01-06 18:38:28,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:28,582 INFO L481 AbstractCegarLoop]: Abstraction has 909 states and 1618 transitions. [2021-01-06 18:38:28,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1618 transitions. [2021-01-06 18:38:28,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 18:38:28,586 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:28,586 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] [2021-01-06 18:38:28,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:38:28,587 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:28,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:28,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1136277356, now seen corresponding path program 1 times [2021-01-06 18:38:28,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:28,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420541542] [2021-01-06 18:38:28,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:28,707 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 18:38:28,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420541542] [2021-01-06 18:38:28,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783769315] [2021-01-06 18:38:28,709 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 18:38:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:29,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:38:29,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:38:29,450 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 18:38:29,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:38:29,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:38:29,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026996845] [2021-01-06 18:38:29,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:38:29,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:29,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:38:29,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:38:29,455 INFO L87 Difference]: Start difference. First operand 909 states and 1618 transitions. Second operand 5 states. [2021-01-06 18:38:29,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:29,615 INFO L93 Difference]: Finished difference Result 1416 states and 2482 transitions. [2021-01-06 18:38:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:38:29,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2021-01-06 18:38:29,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:29,625 INFO L225 Difference]: With dead ends: 1416 [2021-01-06 18:38:29,625 INFO L226 Difference]: Without dead ends: 1272 [2021-01-06 18:38:29,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 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 18:38:29,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2021-01-06 18:38:29,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1125. [2021-01-06 18:38:29,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1125 states. [2021-01-06 18:38:29,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 2008 transitions. [2021-01-06 18:38:29,726 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 2008 transitions. Word has length 62 [2021-01-06 18:38:29,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:29,726 INFO L481 AbstractCegarLoop]: Abstraction has 1125 states and 2008 transitions. [2021-01-06 18:38:29,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:38:29,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 2008 transitions. [2021-01-06 18:38:29,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 18:38:29,734 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:29,734 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] [2021-01-06 18:38:29,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:38:29,948 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:29,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:29,948 INFO L82 PathProgramCache]: Analyzing trace with hash 390986551, now seen corresponding path program 1 times [2021-01-06 18:38:29,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:29,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649103768] [2021-01-06 18:38:29,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:30,017 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 18:38:30,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649103768] [2021-01-06 18:38:30,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:30,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:30,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51949953] [2021-01-06 18:38:30,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:30,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:30,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:30,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:30,019 INFO L87 Difference]: Start difference. First operand 1125 states and 2008 transitions. Second operand 3 states. [2021-01-06 18:38:30,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:30,155 INFO L93 Difference]: Finished difference Result 3009 states and 5398 transitions. [2021-01-06 18:38:30,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:30,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2021-01-06 18:38:30,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:30,168 INFO L225 Difference]: With dead ends: 3009 [2021-01-06 18:38:30,168 INFO L226 Difference]: Without dead ends: 1985 [2021-01-06 18:38:30,171 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 18:38:30,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2021-01-06 18:38:30,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1841. [2021-01-06 18:38:30,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1841 states. [2021-01-06 18:38:30,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 3313 transitions. [2021-01-06 18:38:30,306 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 3313 transitions. Word has length 66 [2021-01-06 18:38:30,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:30,307 INFO L481 AbstractCegarLoop]: Abstraction has 1841 states and 3313 transitions. [2021-01-06 18:38:30,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:30,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3313 transitions. [2021-01-06 18:38:30,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:38:30,311 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:30,311 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] [2021-01-06 18:38:30,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:38:30,312 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:30,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:30,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1611877815, now seen corresponding path program 1 times [2021-01-06 18:38:30,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:30,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72362234] [2021-01-06 18:38:30,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:30,440 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 18:38:30,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72362234] [2021-01-06 18:38:30,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:30,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:30,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550288126] [2021-01-06 18:38:30,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:30,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:30,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:30,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:30,448 INFO L87 Difference]: Start difference. First operand 1841 states and 3313 transitions. Second operand 3 states. [2021-01-06 18:38:30,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:30,646 INFO L93 Difference]: Finished difference Result 4893 states and 8832 transitions. [2021-01-06 18:38:30,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:30,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2021-01-06 18:38:30,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:30,665 INFO L225 Difference]: With dead ends: 4893 [2021-01-06 18:38:30,665 INFO L226 Difference]: Without dead ends: 3187 [2021-01-06 18:38:30,670 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 18:38:30,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3187 states. [2021-01-06 18:38:30,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3187 to 3043. [2021-01-06 18:38:30,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3043 states. [2021-01-06 18:38:30,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 5498 transitions. [2021-01-06 18:38:30,928 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 5498 transitions. Word has length 67 [2021-01-06 18:38:30,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:30,928 INFO L481 AbstractCegarLoop]: Abstraction has 3043 states and 5498 transitions. [2021-01-06 18:38:30,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:30,929 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 5498 transitions. [2021-01-06 18:38:30,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:38:30,933 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:30,933 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] [2021-01-06 18:38:30,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:38:30,934 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:30,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:30,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1959710938, now seen corresponding path program 1 times [2021-01-06 18:38:30,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:30,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225993437] [2021-01-06 18:38:30,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:31,008 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 18:38:31,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225993437] [2021-01-06 18:38:31,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:31,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:31,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680532329] [2021-01-06 18:38:31,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:31,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:31,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:31,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:31,011 INFO L87 Difference]: Start difference. First operand 3043 states and 5498 transitions. Second operand 3 states. [2021-01-06 18:38:31,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:31,345 INFO L93 Difference]: Finished difference Result 8215 states and 14870 transitions. [2021-01-06 18:38:31,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:31,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-06 18:38:31,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:31,378 INFO L225 Difference]: With dead ends: 8215 [2021-01-06 18:38:31,378 INFO L226 Difference]: Without dead ends: 5341 [2021-01-06 18:38:31,385 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 18:38:31,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5341 states. [2021-01-06 18:38:31,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5341 to 5197. [2021-01-06 18:38:31,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5197 states. [2021-01-06 18:38:31,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5197 states to 5197 states and 9403 transitions. [2021-01-06 18:38:31,795 INFO L78 Accepts]: Start accepts. Automaton has 5197 states and 9403 transitions. Word has length 68 [2021-01-06 18:38:31,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:31,795 INFO L481 AbstractCegarLoop]: Abstraction has 5197 states and 9403 transitions. [2021-01-06 18:38:31,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:31,795 INFO L276 IsEmpty]: Start isEmpty. Operand 5197 states and 9403 transitions. [2021-01-06 18:38:31,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:38:31,803 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:31,803 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] [2021-01-06 18:38:31,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:38:31,804 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:31,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:31,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1840332486, now seen corresponding path program 1 times [2021-01-06 18:38:31,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:31,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296763283] [2021-01-06 18:38:31,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:31,874 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 18:38:31,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296763283] [2021-01-06 18:38:31,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:31,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:31,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588468614] [2021-01-06 18:38:31,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:31,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:31,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:31,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:31,879 INFO L87 Difference]: Start difference. First operand 5197 states and 9403 transitions. Second operand 3 states. [2021-01-06 18:38:32,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:32,455 INFO L93 Difference]: Finished difference Result 15135 states and 27427 transitions. [2021-01-06 18:38:32,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:32,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2021-01-06 18:38:32,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:32,525 INFO L225 Difference]: With dead ends: 15135 [2021-01-06 18:38:32,526 INFO L226 Difference]: Without dead ends: 10111 [2021-01-06 18:38:32,544 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:32,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10111 states. [2021-01-06 18:38:33,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10111 to 9967. [2021-01-06 18:38:33,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9967 states. [2021-01-06 18:38:33,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9967 states to 9967 states and 18044 transitions. [2021-01-06 18:38:33,367 INFO L78 Accepts]: Start accepts. Automaton has 9967 states and 18044 transitions. Word has length 69 [2021-01-06 18:38:33,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:33,367 INFO L481 AbstractCegarLoop]: Abstraction has 9967 states and 18044 transitions. [2021-01-06 18:38:33,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:33,368 INFO L276 IsEmpty]: Start isEmpty. Operand 9967 states and 18044 transitions. [2021-01-06 18:38:33,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:38:33,374 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:33,375 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] [2021-01-06 18:38:33,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:38:33,375 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:33,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:33,376 INFO L82 PathProgramCache]: Analyzing trace with hash 998555159, now seen corresponding path program 1 times [2021-01-06 18:38:33,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:33,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315420617] [2021-01-06 18:38:33,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:33,443 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 18:38:33,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315420617] [2021-01-06 18:38:33,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:33,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:33,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300353742] [2021-01-06 18:38:33,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:33,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:33,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:33,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:33,445 INFO L87 Difference]: Start difference. First operand 9967 states and 18044 transitions. Second operand 3 states. [2021-01-06 18:38:34,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:34,506 INFO L93 Difference]: Finished difference Result 29147 states and 52825 transitions. [2021-01-06 18:38:34,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:34,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2021-01-06 18:38:34,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:34,573 INFO L225 Difference]: With dead ends: 29147 [2021-01-06 18:38:34,573 INFO L226 Difference]: Without dead ends: 19361 [2021-01-06 18:38:34,592 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 18:38:34,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19361 states. [2021-01-06 18:38:35,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19361 to 19217. [2021-01-06 18:38:35,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19217 states. [2021-01-06 18:38:35,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19217 states to 19217 states and 34781 transitions. [2021-01-06 18:38:35,693 INFO L78 Accepts]: Start accepts. Automaton has 19217 states and 34781 transitions. Word has length 70 [2021-01-06 18:38:35,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:35,693 INFO L481 AbstractCegarLoop]: Abstraction has 19217 states and 34781 transitions. [2021-01-06 18:38:35,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:35,693 INFO L276 IsEmpty]: Start isEmpty. Operand 19217 states and 34781 transitions. [2021-01-06 18:38:35,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:38:35,703 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:35,703 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] [2021-01-06 18:38:35,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:38:35,704 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:35,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:35,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1854509244, now seen corresponding path program 1 times [2021-01-06 18:38:35,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:35,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026624449] [2021-01-06 18:38:35,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:35,785 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 18:38:35,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026624449] [2021-01-06 18:38:35,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:35,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:35,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143483358] [2021-01-06 18:38:35,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:35,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:35,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:35,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:35,788 INFO L87 Difference]: Start difference. First operand 19217 states and 34781 transitions. Second operand 3 states. [2021-01-06 18:38:37,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:37,462 INFO L93 Difference]: Finished difference Result 57083 states and 103350 transitions. [2021-01-06 18:38:37,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:37,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2021-01-06 18:38:37,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:37,580 INFO L225 Difference]: With dead ends: 57083 [2021-01-06 18:38:37,580 INFO L226 Difference]: Without dead ends: 38051 [2021-01-06 18:38:37,620 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 18:38:37,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38051 states. [2021-01-06 18:38:39,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38051 to 37907. [2021-01-06 18:38:39,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37907 states. [2021-01-06 18:38:39,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37907 states to 37907 states and 68510 transitions. [2021-01-06 18:38:39,589 INFO L78 Accepts]: Start accepts. Automaton has 37907 states and 68510 transitions. Word has length 71 [2021-01-06 18:38:39,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:39,589 INFO L481 AbstractCegarLoop]: Abstraction has 37907 states and 68510 transitions. [2021-01-06 18:38:39,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:39,589 INFO L276 IsEmpty]: Start isEmpty. Operand 37907 states and 68510 transitions. [2021-01-06 18:38:39,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:38:39,600 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:39,600 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] [2021-01-06 18:38:39,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:38:39,601 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:39,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:39,601 INFO L82 PathProgramCache]: Analyzing trace with hash -2033361680, now seen corresponding path program 1 times [2021-01-06 18:38:39,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:39,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863796938] [2021-01-06 18:38:39,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:39,683 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 18:38:39,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863796938] [2021-01-06 18:38:39,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:39,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:38:39,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73482722] [2021-01-06 18:38:39,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:38:39,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:39,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:38:39,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:38:39,685 INFO L87 Difference]: Start difference. First operand 37907 states and 68510 transitions. Second operand 5 states. [2021-01-06 18:38:42,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:42,454 INFO L93 Difference]: Finished difference Result 111424 states and 201343 transitions. [2021-01-06 18:38:42,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:38:42,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2021-01-06 18:38:42,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:42,679 INFO L225 Difference]: With dead ends: 111424 [2021-01-06 18:38:42,679 INFO L226 Difference]: Without dead ends: 73770 [2021-01-06 18:38:42,757 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 18:38:42,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73770 states. [2021-01-06 18:38:45,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73770 to 37907. [2021-01-06 18:38:45,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37907 states. [2021-01-06 18:38:45,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37907 states to 37907 states and 68252 transitions. [2021-01-06 18:38:45,423 INFO L78 Accepts]: Start accepts. Automaton has 37907 states and 68252 transitions. Word has length 72 [2021-01-06 18:38:45,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:45,424 INFO L481 AbstractCegarLoop]: Abstraction has 37907 states and 68252 transitions. [2021-01-06 18:38:45,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:38:45,424 INFO L276 IsEmpty]: Start isEmpty. Operand 37907 states and 68252 transitions. [2021-01-06 18:38:45,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:38:45,436 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:45,436 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] [2021-01-06 18:38:45,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:38:45,437 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:45,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:45,438 INFO L82 PathProgramCache]: Analyzing trace with hash 703274002, now seen corresponding path program 2 times [2021-01-06 18:38:45,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:45,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776865527] [2021-01-06 18:38:45,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:45,527 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 18:38:45,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776865527] [2021-01-06 18:38:45,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:45,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:38:45,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425977187] [2021-01-06 18:38:45,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:38:45,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:45,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:38:45,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:38:45,531 INFO L87 Difference]: Start difference. First operand 37907 states and 68252 transitions. Second operand 5 states. [2021-01-06 18:38:47,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:47,693 INFO L93 Difference]: Finished difference Result 75699 states and 136304 transitions. [2021-01-06 18:38:47,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:38:47,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2021-01-06 18:38:47,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:47,766 INFO L225 Difference]: With dead ends: 75699 [2021-01-06 18:38:47,766 INFO L226 Difference]: Without dead ends: 38051 [2021-01-06 18:38:47,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:38:47,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38051 states. [2021-01-06 18:38:49,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38051 to 37907. [2021-01-06 18:38:49,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37907 states. [2021-01-06 18:38:49,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37907 states to 37907 states and 68124 transitions. [2021-01-06 18:38:49,677 INFO L78 Accepts]: Start accepts. Automaton has 37907 states and 68124 transitions. Word has length 72 [2021-01-06 18:38:49,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:49,677 INFO L481 AbstractCegarLoop]: Abstraction has 37907 states and 68124 transitions. [2021-01-06 18:38:49,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:38:49,677 INFO L276 IsEmpty]: Start isEmpty. Operand 37907 states and 68124 transitions. [2021-01-06 18:38:49,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:38:49,685 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:49,686 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] [2021-01-06 18:38:49,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:38:49,686 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:49,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:49,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1868125957, now seen corresponding path program 1 times [2021-01-06 18:38:49,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:49,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569137071] [2021-01-06 18:38:49,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:49,748 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 18:38:49,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569137071] [2021-01-06 18:38:49,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:49,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:49,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784274745] [2021-01-06 18:38:49,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:49,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:49,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:49,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:49,751 INFO L87 Difference]: Start difference. First operand 37907 states and 68124 transitions. Second operand 3 states. [2021-01-06 18:38:52,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:52,788 INFO L93 Difference]: Finished difference Result 105309 states and 188986 transitions. [2021-01-06 18:38:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:52,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2021-01-06 18:38:52,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:52,923 INFO L225 Difference]: With dead ends: 105309 [2021-01-06 18:38:52,923 INFO L226 Difference]: Without dead ends: 67621 [2021-01-06 18:38:52,972 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 18:38:53,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67621 states. [2021-01-06 18:38:56,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67621 to 67477. [2021-01-06 18:38:56,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67477 states. [2021-01-06 18:38:56,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67477 states to 67477 states and 120733 transitions. [2021-01-06 18:38:56,300 INFO L78 Accepts]: Start accepts. Automaton has 67477 states and 120733 transitions. Word has length 72 [2021-01-06 18:38:56,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:56,301 INFO L481 AbstractCegarLoop]: Abstraction has 67477 states and 120733 transitions. [2021-01-06 18:38:56,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:56,301 INFO L276 IsEmpty]: Start isEmpty. Operand 67477 states and 120733 transitions. [2021-01-06 18:38:56,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 18:38:56,309 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:56,310 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] [2021-01-06 18:38:56,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:38:56,310 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:56,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:56,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1193061364, now seen corresponding path program 1 times [2021-01-06 18:38:56,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:56,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80514659] [2021-01-06 18:38:56,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:56,397 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 18:38:56,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80514659] [2021-01-06 18:38:56,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:56,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 18:38:56,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419301881] [2021-01-06 18:38:56,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:38:56,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:56,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:38:56,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:38:56,399 INFO L87 Difference]: Start difference. First operand 67477 states and 120733 transitions. Second operand 6 states. [2021-01-06 18:38:59,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:59,022 INFO L93 Difference]: Finished difference Result 67562 states and 120866 transitions. [2021-01-06 18:38:59,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:38:59,023 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2021-01-06 18:38:59,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:59,142 INFO L225 Difference]: With dead ends: 67562 [2021-01-06 18:38:59,142 INFO L226 Difference]: Without dead ends: 67477 [2021-01-06 18:38:59,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:38:59,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67477 states. [2021-01-06 18:39:02,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67477 to 67477. [2021-01-06 18:39:02,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67477 states. [2021-01-06 18:39:02,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67477 states to 67477 states and 120731 transitions. [2021-01-06 18:39:02,303 INFO L78 Accepts]: Start accepts. Automaton has 67477 states and 120731 transitions. Word has length 73 [2021-01-06 18:39:02,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:39:02,303 INFO L481 AbstractCegarLoop]: Abstraction has 67477 states and 120731 transitions. [2021-01-06 18:39:02,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:39:02,304 INFO L276 IsEmpty]: Start isEmpty. Operand 67477 states and 120731 transitions. [2021-01-06 18:39:02,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:39:02,315 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:39:02,315 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] [2021-01-06 18:39:02,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:39:02,315 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:39:02,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:39:02,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1185431247, now seen corresponding path program 1 times [2021-01-06 18:39:02,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:39:02,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110751885] [2021-01-06 18:39:02,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:39:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:39:02,466 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 18:39:02,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110751885] [2021-01-06 18:39:02,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:39:02,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:39:02,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222563678] [2021-01-06 18:39:02,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:39:02,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:39:02,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:39:02,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:39:02,468 INFO L87 Difference]: Start difference. First operand 67477 states and 120731 transitions. Second operand 11 states. [2021-01-06 18:39:06,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:39:06,701 INFO L93 Difference]: Finished difference Result 68440 states and 122274 transitions. [2021-01-06 18:39:06,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-01-06 18:39:06,703 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 76 [2021-01-06 18:39:06,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:39:06,812 INFO L225 Difference]: With dead ends: 68440 [2021-01-06 18:39:06,812 INFO L226 Difference]: Without dead ends: 68360 [2021-01-06 18:39:06,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=466, Invalid=1340, Unknown=0, NotChecked=0, Total=1806 [2021-01-06 18:39:06,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68360 states. [2021-01-06 18:39:09,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68360 to 67570. [2021-01-06 18:39:09,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67570 states. [2021-01-06 18:39:09,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67570 states to 67570 states and 120882 transitions. [2021-01-06 18:39:09,969 INFO L78 Accepts]: Start accepts. Automaton has 67570 states and 120882 transitions. Word has length 76 [2021-01-06 18:39:09,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:39:09,972 INFO L481 AbstractCegarLoop]: Abstraction has 67570 states and 120882 transitions. [2021-01-06 18:39:09,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:39:09,972 INFO L276 IsEmpty]: Start isEmpty. Operand 67570 states and 120882 transitions. [2021-01-06 18:39:09,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:39:09,981 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:39:09,982 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] [2021-01-06 18:39:09,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:39:09,982 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:39:09,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:39:09,983 INFO L82 PathProgramCache]: Analyzing trace with hash -391825552, now seen corresponding path program 1 times [2021-01-06 18:39:09,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:39:09,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810688355] [2021-01-06 18:39:09,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:39:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:39:10,067 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 18:39:10,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810688355] [2021-01-06 18:39:10,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:39:10,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 18:39:10,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673663384] [2021-01-06 18:39:10,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:39:10,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:39:10,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:39:10,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:39:10,070 INFO L87 Difference]: Start difference. First operand 67570 states and 120882 transitions. Second operand 6 states. [2021-01-06 18:39:12,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:39:12,694 INFO L93 Difference]: Finished difference Result 67667 states and 121041 transitions. [2021-01-06 18:39:12,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:39:12,694 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2021-01-06 18:39:12,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:39:12,694 INFO L225 Difference]: With dead ends: 67667 [2021-01-06 18:39:12,695 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 18:39:12,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:39:12,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 18:39:12,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 18:39:12,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 18:39:12,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 18:39:12,720 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2021-01-06 18:39:12,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:39:12,721 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 18:39:12,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:39:12,721 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 18:39:12,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 18:39:12,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:39:12,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 18:39:13,040 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-01-06 18:39:13,158 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2021-01-06 18:39:13,330 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2021-01-06 18:39:17,201 WARN L197 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 712 DAG size of output: 638 [2021-01-06 18:39:28,064 WARN L197 SmtUtils]: Spent 10.85 s on a formula simplification. DAG size of input: 1366 DAG size of output: 1177 [2021-01-06 18:39:37,676 WARN L197 SmtUtils]: Spent 9.60 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1165 [2021-01-06 18:39:40,381 WARN L197 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 1096 DAG size of output: 789 [2021-01-06 18:39:49,910 WARN L197 SmtUtils]: Spent 9.52 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1165 [2021-01-06 18:39:59,335 WARN L197 SmtUtils]: Spent 9.42 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1165 [2021-01-06 18:40:08,898 WARN L197 SmtUtils]: Spent 9.55 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1165 [2021-01-06 18:40:11,849 WARN L197 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2021-01-06 18:40:14,753 WARN L197 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 712 DAG size of output: 654 [2021-01-06 18:40:24,306 WARN L197 SmtUtils]: Spent 9.46 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1165 [2021-01-06 18:40:34,031 WARN L197 SmtUtils]: Spent 9.48 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1165 [2021-01-06 18:40:43,583 WARN L197 SmtUtils]: Spent 9.37 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1165 [2021-01-06 18:40:53,249 WARN L197 SmtUtils]: Spent 9.57 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1165 [2021-01-06 18:41:03,005 WARN L197 SmtUtils]: Spent 9.60 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1165 [2021-01-06 18:41:12,427 WARN L197 SmtUtils]: Spent 9.41 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1165 [2021-01-06 18:41:15,200 WARN L197 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 712 DAG size of output: 654 [2021-01-06 18:41:17,746 WARN L197 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 712 DAG size of output: 638 [2021-01-06 18:41:19,108 WARN L197 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 328 DAG size of output: 320 [2021-01-06 18:41:21,660 WARN L197 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 712 DAG size of output: 638 [2021-01-06 18:41:31,504 WARN L197 SmtUtils]: Spent 9.80 s on a formula simplification. DAG size of input: 1355 DAG size of output: 1168 [2021-01-06 18:41:34,112 WARN L197 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 1096 DAG size of output: 789 [2021-01-06 18:41:36,578 WARN L197 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 1096 DAG size of output: 789 [2021-01-06 18:41:39,254 WARN L197 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2021-01-06 18:41:40,663 WARN L197 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 328 DAG size of output: 320 [2021-01-06 18:41:43,338 WARN L197 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2021-01-06 18:41:45,898 WARN L197 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 712 DAG size of output: 654 [2021-01-06 18:41:48,699 WARN L197 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2021-01-06 18:41:51,641 WARN L197 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2021-01-06 18:41:54,437 WARN L197 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2021-01-06 18:41:57,181 WARN L197 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 712 DAG size of output: 654 [2021-01-06 18:41:59,898 WARN L197 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 712 DAG size of output: 638 [2021-01-06 18:42:02,666 WARN L197 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2021-01-06 18:42:05,281 WARN L197 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 1096 DAG size of output: 789 [2021-01-06 18:42:15,246 WARN L197 SmtUtils]: Spent 9.96 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1165 [2021-01-06 18:42:18,045 WARN L197 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2021-01-06 18:42:20,789 WARN L197 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 712 DAG size of output: 654 [2021-01-06 18:42:23,556 WARN L197 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 712 DAG size of output: 638 [2021-01-06 18:42:26,103 WARN L197 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 1096 DAG size of output: 789 [2021-01-06 18:42:28,657 WARN L197 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 705 DAG size of output: 694