/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_spec9_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:14:26,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:14:26,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:14:27,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:14:27,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:14:27,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:14:27,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:14:27,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:14:27,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:14:27,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:14:27,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:14:27,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:14:27,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:14:27,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:14:27,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:14:27,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:14:27,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:14:27,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:14:27,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:14:27,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:14:27,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:14:27,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:14:27,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:14:27,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:14:27,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:14:27,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:14:27,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:14:27,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:14:27,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:14:27,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:14:27,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:14:27,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:14:27,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:14:27,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:14:27,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:14:27,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:14:27,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:14:27,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:14:27,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:14:27,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:14:27,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:14:27,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:14:27,187 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:14:27,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:14:27,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:14:27,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:14:27,189 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:14:27,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:14:27,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:14:27,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:14:27,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:14:27,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:14:27,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:14:27,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:14:27,191 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:14:27,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:14:27,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:14:27,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:14:27,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:14:27,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:14:27,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:14:27,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:14:27,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:14:27,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:14:27,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:14:27,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:14:27,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:14:27,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:14:27,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:14:27,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:14:27,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:14:27,590 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:14:27,591 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:14:27,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product33.cil.c [2020-12-23 09:14:27,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/29103fed4/2095db898d8c49219f05a03d838f2f5d/FLAG10ce16c74 [2020-12-23 09:14:28,523 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:14:28,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product33.cil.c [2020-12-23 09:14:28,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/29103fed4/2095db898d8c49219f05a03d838f2f5d/FLAG10ce16c74 [2020-12-23 09:14:28,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/29103fed4/2095db898d8c49219f05a03d838f2f5d [2020-12-23 09:14:28,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:14:28,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:14:28,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:14:28,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:14:28,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:14:28,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:14:28" (1/1) ... [2020-12-23 09:14:28,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5223378e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:28, skipping insertion in model container [2020-12-23 09:14:28,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:14:28" (1/1) ... [2020-12-23 09:14:28,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:14:28,830 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] 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___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~16,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] 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~18,] [2020-12-23 09:14:29,369 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_spec9_product33.cil.c[33242,33255] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] 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~21,] 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[~__cil_tmp4~6,] 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[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~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[~__cil_tmp3~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~24,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~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[~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_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_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~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_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~25,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 09:14:29,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:14:29,615 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] 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___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~16,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] 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~18,] [2020-12-23 09:14:29,721 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_spec9_product33.cil.c[33242,33255] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] 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~21,] 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[~__cil_tmp4~6,] 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[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~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[~__cil_tmp3~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~24,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~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[~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_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_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~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_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~25,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 09:14:29,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:14:29,877 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:14:29,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:29 WrapperNode [2020-12-23 09:14:29,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:14:29,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:14:29,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:14:29,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:14:29,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:29" (1/1) ... [2020-12-23 09:14:29,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:29" (1/1) ... [2020-12-23 09:14:30,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:14:30,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:14:30,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:14:30,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:14:30,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:29" (1/1) ... [2020-12-23 09:14:30,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:29" (1/1) ... [2020-12-23 09:14:30,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:29" (1/1) ... [2020-12-23 09:14:30,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:29" (1/1) ... [2020-12-23 09:14:30,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:29" (1/1) ... [2020-12-23 09:14:30,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:29" (1/1) ... [2020-12-23 09:14:30,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:29" (1/1) ... [2020-12-23 09:14:30,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:14:30,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:14:30,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:14:30,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:14:30,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:29" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:14:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 09:14:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:14:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:14:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:14:30,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:14:33,258 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:14:33,258 INFO L299 CfgBuilder]: Removed 407 assume(true) statements. [2020-12-23 09:14:33,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:14:33 BoogieIcfgContainer [2020-12-23 09:14:33,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:14:33,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:14:33,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:14:33,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:14:33,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:14:28" (1/3) ... [2020-12-23 09:14:33,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e75549f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:14:33, skipping insertion in model container [2020-12-23 09:14:33,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:29" (2/3) ... [2020-12-23 09:14:33,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e75549f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:14:33, skipping insertion in model container [2020-12-23 09:14:33,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:14:33" (3/3) ... [2020-12-23 09:14:33,271 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product33.cil.c [2020-12-23 09:14:33,278 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:14:33,285 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 09:14:33,306 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 09:14:33,341 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:14:33,342 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:14:33,342 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:14:33,342 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:14:33,342 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:14:33,343 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:14:33,343 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:14:33,343 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:14:33,372 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states. [2020-12-23 09:14:33,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 09:14:33,386 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:33,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:33,388 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:33,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:33,395 INFO L82 PathProgramCache]: Analyzing trace with hash 577208093, now seen corresponding path program 1 times [2020-12-23 09:14:33,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:33,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907292968] [2020-12-23 09:14:33,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:33,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907292968] [2020-12-23 09:14:33,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:33,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:33,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239232222] [2020-12-23 09:14:33,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:33,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:33,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:33,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:33,943 INFO L87 Difference]: Start difference. First operand 595 states. Second operand 3 states. [2020-12-23 09:14:34,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:34,116 INFO L93 Difference]: Finished difference Result 1750 states and 3017 transitions. [2020-12-23 09:14:34,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:34,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-23 09:14:34,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:34,147 INFO L225 Difference]: With dead ends: 1750 [2020-12-23 09:14:34,147 INFO L226 Difference]: Without dead ends: 920 [2020-12-23 09:14:34,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:34,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-12-23 09:14:34,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 469. [2020-12-23 09:14:34,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-12-23 09:14:34,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 810 transitions. [2020-12-23 09:14:34,281 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 810 transitions. Word has length 45 [2020-12-23 09:14:34,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:34,282 INFO L481 AbstractCegarLoop]: Abstraction has 469 states and 810 transitions. [2020-12-23 09:14:34,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:34,282 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 810 transitions. [2020-12-23 09:14:34,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 09:14:34,292 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:34,292 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:34,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:14:34,294 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:34,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:34,295 INFO L82 PathProgramCache]: Analyzing trace with hash 542224426, now seen corresponding path program 1 times [2020-12-23 09:14:34,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:34,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047710709] [2020-12-23 09:14:34,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:34,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:34,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047710709] [2020-12-23 09:14:34,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:34,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:14:34,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058239658] [2020-12-23 09:14:34,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:34,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:34,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:34,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:34,507 INFO L87 Difference]: Start difference. First operand 469 states and 810 transitions. Second operand 5 states. [2020-12-23 09:14:34,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:34,730 INFO L93 Difference]: Finished difference Result 1356 states and 2346 transitions. [2020-12-23 09:14:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:14:34,730 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-12-23 09:14:34,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:34,737 INFO L225 Difference]: With dead ends: 1356 [2020-12-23 09:14:34,738 INFO L226 Difference]: Without dead ends: 906 [2020-12-23 09:14:34,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:14:34,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-12-23 09:14:34,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 469. [2020-12-23 09:14:34,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-12-23 09:14:34,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 809 transitions. [2020-12-23 09:14:34,774 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 809 transitions. Word has length 47 [2020-12-23 09:14:34,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:34,774 INFO L481 AbstractCegarLoop]: Abstraction has 469 states and 809 transitions. [2020-12-23 09:14:34,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:34,774 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 809 transitions. [2020-12-23 09:14:34,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 09:14:34,777 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:34,777 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:34,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:14:34,778 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:34,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:34,779 INFO L82 PathProgramCache]: Analyzing trace with hash -369875651, now seen corresponding path program 1 times [2020-12-23 09:14:34,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:34,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721071753] [2020-12-23 09:14:34,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:34,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:34,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721071753] [2020-12-23 09:14:34,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:34,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:34,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950394278] [2020-12-23 09:14:34,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:34,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:34,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:34,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:34,948 INFO L87 Difference]: Start difference. First operand 469 states and 809 transitions. Second operand 3 states. [2020-12-23 09:14:35,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:35,012 INFO L93 Difference]: Finished difference Result 920 states and 1592 transitions. [2020-12-23 09:14:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:35,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 09:14:35,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:35,018 INFO L225 Difference]: With dead ends: 920 [2020-12-23 09:14:35,018 INFO L226 Difference]: Without dead ends: 474 [2020-12-23 09:14:35,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:35,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-12-23 09:14:35,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 469. [2020-12-23 09:14:35,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-12-23 09:14:35,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 808 transitions. [2020-12-23 09:14:35,048 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 808 transitions. Word has length 48 [2020-12-23 09:14:35,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:35,055 INFO L481 AbstractCegarLoop]: Abstraction has 469 states and 808 transitions. [2020-12-23 09:14:35,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:35,056 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 808 transitions. [2020-12-23 09:14:35,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 09:14:35,060 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:35,060 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] [2020-12-23 09:14:35,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:14:35,061 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:35,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:35,061 INFO L82 PathProgramCache]: Analyzing trace with hash 2118623159, now seen corresponding path program 1 times [2020-12-23 09:14:35,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:35,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513960653] [2020-12-23 09:14:35,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:35,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:35,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513960653] [2020-12-23 09:14:35,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:35,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:35,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241421366] [2020-12-23 09:14:35,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:35,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:35,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:35,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:35,199 INFO L87 Difference]: Start difference. First operand 469 states and 808 transitions. Second operand 3 states. [2020-12-23 09:14:35,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:35,256 INFO L93 Difference]: Finished difference Result 930 states and 1605 transitions. [2020-12-23 09:14:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:35,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-12-23 09:14:35,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:35,260 INFO L225 Difference]: With dead ends: 930 [2020-12-23 09:14:35,260 INFO L226 Difference]: Without dead ends: 469 [2020-12-23 09:14:35,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:35,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-12-23 09:14:35,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2020-12-23 09:14:35,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-12-23 09:14:35,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 806 transitions. [2020-12-23 09:14:35,315 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 806 transitions. Word has length 49 [2020-12-23 09:14:35,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:35,316 INFO L481 AbstractCegarLoop]: Abstraction has 469 states and 806 transitions. [2020-12-23 09:14:35,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:35,316 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 806 transitions. [2020-12-23 09:14:35,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 09:14:35,317 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:35,317 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:35,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:14:35,318 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:35,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:35,319 INFO L82 PathProgramCache]: Analyzing trace with hash -375775102, now seen corresponding path program 1 times [2020-12-23 09:14:35,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:35,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229347217] [2020-12-23 09:14:35,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:35,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:35,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229347217] [2020-12-23 09:14:35,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:35,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:14:35,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214328545] [2020-12-23 09:14:35,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:35,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:35,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:35,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:35,450 INFO L87 Difference]: Start difference. First operand 469 states and 806 transitions. Second operand 5 states. [2020-12-23 09:14:35,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:35,655 INFO L93 Difference]: Finished difference Result 1346 states and 2326 transitions. [2020-12-23 09:14:35,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:14:35,656 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 09:14:35,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:35,664 INFO L225 Difference]: With dead ends: 1346 [2020-12-23 09:14:35,664 INFO L226 Difference]: Without dead ends: 904 [2020-12-23 09:14:35,666 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:14:35,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-12-23 09:14:35,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 469. [2020-12-23 09:14:35,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-12-23 09:14:35,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 805 transitions. [2020-12-23 09:14:35,702 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 805 transitions. Word has length 50 [2020-12-23 09:14:35,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:35,702 INFO L481 AbstractCegarLoop]: Abstraction has 469 states and 805 transitions. [2020-12-23 09:14:35,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:35,703 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 805 transitions. [2020-12-23 09:14:35,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 09:14:35,705 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:35,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:35,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:14:35,706 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:35,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:35,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1927528831, now seen corresponding path program 1 times [2020-12-23 09:14:35,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:35,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328843761] [2020-12-23 09:14:35,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:35,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:35,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328843761] [2020-12-23 09:14:35,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:35,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:14:35,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353388435] [2020-12-23 09:14:35,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:35,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:35,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:35,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:35,860 INFO L87 Difference]: Start difference. First operand 469 states and 805 transitions. Second operand 5 states. [2020-12-23 09:14:36,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:36,082 INFO L93 Difference]: Finished difference Result 1351 states and 2331 transitions. [2020-12-23 09:14:36,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:14:36,082 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-23 09:14:36,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:36,088 INFO L225 Difference]: With dead ends: 1351 [2020-12-23 09:14:36,088 INFO L226 Difference]: Without dead ends: 909 [2020-12-23 09:14:36,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:14:36,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-12-23 09:14:36,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 469. [2020-12-23 09:14:36,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-12-23 09:14:36,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 804 transitions. [2020-12-23 09:14:36,122 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 804 transitions. Word has length 51 [2020-12-23 09:14:36,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:36,122 INFO L481 AbstractCegarLoop]: Abstraction has 469 states and 804 transitions. [2020-12-23 09:14:36,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:36,122 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 804 transitions. [2020-12-23 09:14:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 09:14:36,124 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:36,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:36,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:14:36,126 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:36,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:36,130 INFO L82 PathProgramCache]: Analyzing trace with hash 2069506407, now seen corresponding path program 1 times [2020-12-23 09:14:36,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:36,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784028614] [2020-12-23 09:14:36,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:36,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:36,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784028614] [2020-12-23 09:14:36,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:36,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:36,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612777230] [2020-12-23 09:14:36,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:36,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:36,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:36,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:36,209 INFO L87 Difference]: Start difference. First operand 469 states and 804 transitions. Second operand 3 states. [2020-12-23 09:14:36,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:36,244 INFO L93 Difference]: Finished difference Result 696 states and 1177 transitions. [2020-12-23 09:14:36,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:36,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-23 09:14:36,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:36,248 INFO L225 Difference]: With dead ends: 696 [2020-12-23 09:14:36,249 INFO L226 Difference]: Without dead ends: 472 [2020-12-23 09:14:36,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:36,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2020-12-23 09:14:36,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 471. [2020-12-23 09:14:36,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2020-12-23 09:14:36,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 806 transitions. [2020-12-23 09:14:36,281 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 806 transitions. Word has length 52 [2020-12-23 09:14:36,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:36,281 INFO L481 AbstractCegarLoop]: Abstraction has 471 states and 806 transitions. [2020-12-23 09:14:36,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:36,282 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 806 transitions. [2020-12-23 09:14:36,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 09:14:36,283 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:36,283 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] [2020-12-23 09:14:36,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:14:36,283 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:36,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:36,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1758653753, now seen corresponding path program 1 times [2020-12-23 09:14:36,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:36,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394192418] [2020-12-23 09:14:36,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:36,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394192418] [2020-12-23 09:14:36,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:36,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:36,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691218094] [2020-12-23 09:14:36,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:36,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:36,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:36,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:36,405 INFO L87 Difference]: Start difference. First operand 471 states and 806 transitions. Second operand 3 states. [2020-12-23 09:14:36,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:36,461 INFO L93 Difference]: Finished difference Result 1299 states and 2242 transitions. [2020-12-23 09:14:36,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:36,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-12-23 09:14:36,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:36,467 INFO L225 Difference]: With dead ends: 1299 [2020-12-23 09:14:36,467 INFO L226 Difference]: Without dead ends: 859 [2020-12-23 09:14:36,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:36,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2020-12-23 09:14:36,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 635. [2020-12-23 09:14:36,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-12-23 09:14:36,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 1106 transitions. [2020-12-23 09:14:36,509 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 1106 transitions. Word has length 60 [2020-12-23 09:14:36,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:36,509 INFO L481 AbstractCegarLoop]: Abstraction has 635 states and 1106 transitions. [2020-12-23 09:14:36,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:36,509 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1106 transitions. [2020-12-23 09:14:36,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 09:14:36,511 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:36,511 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] [2020-12-23 09:14:36,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:14:36,511 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:36,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:36,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1715702342, now seen corresponding path program 1 times [2020-12-23 09:14:36,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:36,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30091232] [2020-12-23 09:14:36,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:36,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:36,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30091232] [2020-12-23 09:14:36,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:36,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:14:36,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200390178] [2020-12-23 09:14:36,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:36,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:36,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:36,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:36,596 INFO L87 Difference]: Start difference. First operand 635 states and 1106 transitions. Second operand 5 states. [2020-12-23 09:14:36,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:36,868 INFO L93 Difference]: Finished difference Result 1835 states and 3224 transitions. [2020-12-23 09:14:36,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:14:36,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-12-23 09:14:36,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:36,876 INFO L225 Difference]: With dead ends: 1835 [2020-12-23 09:14:36,876 INFO L226 Difference]: Without dead ends: 1231 [2020-12-23 09:14:36,878 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:14:36,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2020-12-23 09:14:36,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 635. [2020-12-23 09:14:36,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-12-23 09:14:36,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 1104 transitions. [2020-12-23 09:14:36,926 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 1104 transitions. Word has length 61 [2020-12-23 09:14:36,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:36,926 INFO L481 AbstractCegarLoop]: Abstraction has 635 states and 1104 transitions. [2020-12-23 09:14:36,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:36,927 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1104 transitions. [2020-12-23 09:14:36,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 09:14:36,928 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:36,928 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] [2020-12-23 09:14:36,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:14:36,928 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:36,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:36,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1894882493, now seen corresponding path program 1 times [2020-12-23 09:14:36,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:36,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893841229] [2020-12-23 09:14:36,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:36,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:36,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893841229] [2020-12-23 09:14:36,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:36,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:36,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91489680] [2020-12-23 09:14:36,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:36,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:36,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:36,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:36,997 INFO L87 Difference]: Start difference. First operand 635 states and 1104 transitions. Second operand 3 states. [2020-12-23 09:14:37,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:37,082 INFO L93 Difference]: Finished difference Result 1833 states and 3216 transitions. [2020-12-23 09:14:37,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:37,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-23 09:14:37,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:37,090 INFO L225 Difference]: With dead ends: 1833 [2020-12-23 09:14:37,090 INFO L226 Difference]: Without dead ends: 1229 [2020-12-23 09:14:37,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:37,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2020-12-23 09:14:37,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1005. [2020-12-23 09:14:37,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1005 states. [2020-12-23 09:14:37,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1781 transitions. [2020-12-23 09:14:37,183 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1781 transitions. Word has length 62 [2020-12-23 09:14:37,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:37,184 INFO L481 AbstractCegarLoop]: Abstraction has 1005 states and 1781 transitions. [2020-12-23 09:14:37,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:37,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1781 transitions. [2020-12-23 09:14:37,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 09:14:37,186 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:37,186 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] [2020-12-23 09:14:37,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:14:37,186 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:37,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:37,187 INFO L82 PathProgramCache]: Analyzing trace with hash 841753189, now seen corresponding path program 1 times [2020-12-23 09:14:37,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:37,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368997774] [2020-12-23 09:14:37,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:37,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:37,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368997774] [2020-12-23 09:14:37,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977789964] [2020-12-23 09:14:37,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:14:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:37,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:14:37,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:14:37,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:14:37,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 09:14:37,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 09:14:37,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398375493] [2020-12-23 09:14:37,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:37,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:37,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:37,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:37,941 INFO L87 Difference]: Start difference. First operand 1005 states and 1781 transitions. Second operand 3 states. [2020-12-23 09:14:38,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:38,012 INFO L93 Difference]: Finished difference Result 1176 states and 2061 transitions. [2020-12-23 09:14:38,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:38,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-23 09:14:38,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:38,019 INFO L225 Difference]: With dead ends: 1176 [2020-12-23 09:14:38,020 INFO L226 Difference]: Without dead ends: 999 [2020-12-23 09:14:38,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:38,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-12-23 09:14:38,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 999. [2020-12-23 09:14:38,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2020-12-23 09:14:38,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1772 transitions. [2020-12-23 09:14:38,141 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1772 transitions. Word has length 62 [2020-12-23 09:14:38,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:38,141 INFO L481 AbstractCegarLoop]: Abstraction has 999 states and 1772 transitions. [2020-12-23 09:14:38,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:38,141 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1772 transitions. [2020-12-23 09:14:38,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-23 09:14:38,145 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:38,145 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:38,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 09:14:38,360 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:38,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:38,361 INFO L82 PathProgramCache]: Analyzing trace with hash -395621094, now seen corresponding path program 1 times [2020-12-23 09:14:38,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:38,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161827433] [2020-12-23 09:14:38,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:38,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161827433] [2020-12-23 09:14:38,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860305249] [2020-12-23 09:14:38,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:14:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:38,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:14:38,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:14:39,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:39,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:14:39,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 09:14:39,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876579752] [2020-12-23 09:14:39,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:39,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:39,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:39,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:39,059 INFO L87 Difference]: Start difference. First operand 999 states and 1772 transitions. Second operand 5 states. [2020-12-23 09:14:39,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:39,224 INFO L93 Difference]: Finished difference Result 1658 states and 2895 transitions. [2020-12-23 09:14:39,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:14:39,224 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-12-23 09:14:39,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:39,233 INFO L225 Difference]: With dead ends: 1658 [2020-12-23 09:14:39,233 INFO L226 Difference]: Without dead ends: 1440 [2020-12-23 09:14:39,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:39,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1440 states. [2020-12-23 09:14:39,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1440 to 1219. [2020-12-23 09:14:39,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1219 states. [2020-12-23 09:14:39,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 2169 transitions. [2020-12-23 09:14:39,340 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 2169 transitions. Word has length 107 [2020-12-23 09:14:39,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:39,341 INFO L481 AbstractCegarLoop]: Abstraction has 1219 states and 2169 transitions. [2020-12-23 09:14:39,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:39,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 2169 transitions. [2020-12-23 09:14:39,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 09:14:39,345 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:39,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:39,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 09:14:39,560 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:39,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:39,561 INFO L82 PathProgramCache]: Analyzing trace with hash 2146731063, now seen corresponding path program 1 times [2020-12-23 09:14:39,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:39,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895110568] [2020-12-23 09:14:39,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:39,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:39,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895110568] [2020-12-23 09:14:39,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:39,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:39,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100092749] [2020-12-23 09:14:39,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:39,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:39,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:39,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:39,677 INFO L87 Difference]: Start difference. First operand 1219 states and 2169 transitions. Second operand 3 states. [2020-12-23 09:14:39,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:39,814 INFO L93 Difference]: Finished difference Result 3287 states and 5874 transitions. [2020-12-23 09:14:39,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:39,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-12-23 09:14:39,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:39,827 INFO L225 Difference]: With dead ends: 3287 [2020-12-23 09:14:39,827 INFO L226 Difference]: Without dead ends: 2169 [2020-12-23 09:14:39,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:39,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2169 states. [2020-12-23 09:14:39,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2169 to 1951. [2020-12-23 09:14:39,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1951 states. [2020-12-23 09:14:39,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 3502 transitions. [2020-12-23 09:14:39,961 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 3502 transitions. Word has length 111 [2020-12-23 09:14:39,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:39,961 INFO L481 AbstractCegarLoop]: Abstraction has 1951 states and 3502 transitions. [2020-12-23 09:14:39,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:39,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 3502 transitions. [2020-12-23 09:14:39,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-23 09:14:39,969 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:39,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:39,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:14:39,970 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:39,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:39,970 INFO L82 PathProgramCache]: Analyzing trace with hash 980631991, now seen corresponding path program 1 times [2020-12-23 09:14:39,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:39,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668346212] [2020-12-23 09:14:39,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:40,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:40,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668346212] [2020-12-23 09:14:40,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:40,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:40,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312611213] [2020-12-23 09:14:40,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:40,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:40,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:40,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:40,055 INFO L87 Difference]: Start difference. First operand 1951 states and 3502 transitions. Second operand 3 states. [2020-12-23 09:14:40,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:40,350 INFO L93 Difference]: Finished difference Result 5219 states and 9392 transitions. [2020-12-23 09:14:40,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:40,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-23 09:14:40,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:40,379 INFO L225 Difference]: With dead ends: 5219 [2020-12-23 09:14:40,380 INFO L226 Difference]: Without dead ends: 3403 [2020-12-23 09:14:40,385 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 [2020-12-23 09:14:40,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2020-12-23 09:14:40,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 3185. [2020-12-23 09:14:40,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3185 states. [2020-12-23 09:14:40,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 3185 states and 5743 transitions. [2020-12-23 09:14:40,709 INFO L78 Accepts]: Start accepts. Automaton has 3185 states and 5743 transitions. Word has length 112 [2020-12-23 09:14:40,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:40,709 INFO L481 AbstractCegarLoop]: Abstraction has 3185 states and 5743 transitions. [2020-12-23 09:14:40,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:40,710 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 5743 transitions. [2020-12-23 09:14:40,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-23 09:14:40,728 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:40,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:40,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:14:40,729 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:40,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:40,730 INFO L82 PathProgramCache]: Analyzing trace with hash 2026203304, now seen corresponding path program 1 times [2020-12-23 09:14:40,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:40,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280829687] [2020-12-23 09:14:40,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:40,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:40,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280829687] [2020-12-23 09:14:40,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:40,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:40,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610014901] [2020-12-23 09:14:40,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:40,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:40,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:40,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:40,875 INFO L87 Difference]: Start difference. First operand 3185 states and 5743 transitions. Second operand 3 states. [2020-12-23 09:14:41,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:41,289 INFO L93 Difference]: Finished difference Result 8637 states and 15598 transitions. [2020-12-23 09:14:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:41,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-12-23 09:14:41,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:41,355 INFO L225 Difference]: With dead ends: 8637 [2020-12-23 09:14:41,356 INFO L226 Difference]: Without dead ends: 5621 [2020-12-23 09:14:41,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:41,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5621 states. [2020-12-23 09:14:41,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5621 to 5403. [2020-12-23 09:14:41,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5403 states. [2020-12-23 09:14:41,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5403 states to 5403 states and 9760 transitions. [2020-12-23 09:14:41,779 INFO L78 Accepts]: Start accepts. Automaton has 5403 states and 9760 transitions. Word has length 113 [2020-12-23 09:14:41,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:41,780 INFO L481 AbstractCegarLoop]: Abstraction has 5403 states and 9760 transitions. [2020-12-23 09:14:41,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:41,780 INFO L276 IsEmpty]: Start isEmpty. Operand 5403 states and 9760 transitions. [2020-12-23 09:14:41,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-23 09:14:41,794 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:41,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:41,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:14:41,794 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:41,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:41,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1840628472, now seen corresponding path program 1 times [2020-12-23 09:14:41,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:41,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572305209] [2020-12-23 09:14:41,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:41,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:41,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572305209] [2020-12-23 09:14:41,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:41,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:41,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130744134] [2020-12-23 09:14:41,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:41,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:41,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:41,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:41,875 INFO L87 Difference]: Start difference. First operand 5403 states and 9760 transitions. Second operand 3 states. [2020-12-23 09:14:42,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:42,506 INFO L93 Difference]: Finished difference Result 15617 states and 28260 transitions. [2020-12-23 09:14:42,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:42,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-12-23 09:14:42,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:42,544 INFO L225 Difference]: With dead ends: 15617 [2020-12-23 09:14:42,544 INFO L226 Difference]: Without dead ends: 10391 [2020-12-23 09:14:42,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:42,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10391 states. [2020-12-23 09:14:43,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10391 to 10173. [2020-12-23 09:14:43,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10173 states. [2020-12-23 09:14:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10173 states to 10173 states and 18401 transitions. [2020-12-23 09:14:43,317 INFO L78 Accepts]: Start accepts. Automaton has 10173 states and 18401 transitions. Word has length 114 [2020-12-23 09:14:43,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:43,317 INFO L481 AbstractCegarLoop]: Abstraction has 10173 states and 18401 transitions. [2020-12-23 09:14:43,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:43,317 INFO L276 IsEmpty]: Start isEmpty. Operand 10173 states and 18401 transitions. [2020-12-23 09:14:43,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-23 09:14:43,345 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:43,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:43,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:14:43,346 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:43,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:43,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1653805737, now seen corresponding path program 1 times [2020-12-23 09:14:43,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:43,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726011435] [2020-12-23 09:14:43,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:43,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:43,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726011435] [2020-12-23 09:14:43,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:43,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:43,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950782399] [2020-12-23 09:14:43,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:43,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:43,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:43,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:43,434 INFO L87 Difference]: Start difference. First operand 10173 states and 18401 transitions. Second operand 3 states. [2020-12-23 09:14:44,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:44,456 INFO L93 Difference]: Finished difference Result 29757 states and 53882 transitions. [2020-12-23 09:14:44,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:44,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-12-23 09:14:44,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:44,523 INFO L225 Difference]: With dead ends: 29757 [2020-12-23 09:14:44,523 INFO L226 Difference]: Without dead ends: 19769 [2020-12-23 09:14:44,544 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 [2020-12-23 09:14:44,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19769 states. [2020-12-23 09:14:45,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19769 to 19551. [2020-12-23 09:14:45,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19551 states. [2020-12-23 09:14:45,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19551 states to 19551 states and 35362 transitions. [2020-12-23 09:14:45,829 INFO L78 Accepts]: Start accepts. Automaton has 19551 states and 35362 transitions. Word has length 115 [2020-12-23 09:14:45,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:45,830 INFO L481 AbstractCegarLoop]: Abstraction has 19551 states and 35362 transitions. [2020-12-23 09:14:45,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:45,830 INFO L276 IsEmpty]: Start isEmpty. Operand 19551 states and 35362 transitions. [2020-12-23 09:14:45,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-23 09:14:45,877 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:45,878 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:45,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:14:45,878 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:45,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:45,879 INFO L82 PathProgramCache]: Analyzing trace with hash -651964393, now seen corresponding path program 1 times [2020-12-23 09:14:45,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:45,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520720194] [2020-12-23 09:14:45,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:45,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:45,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520720194] [2020-12-23 09:14:45,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:45,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:45,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039622243] [2020-12-23 09:14:45,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:45,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:45,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:45,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:45,977 INFO L87 Difference]: Start difference. First operand 19551 states and 35362 transitions. Second operand 3 states. [2020-12-23 09:14:47,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:47,828 INFO L93 Difference]: Finished difference Result 58077 states and 105079 transitions. [2020-12-23 09:14:47,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:47,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-12-23 09:14:47,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:47,957 INFO L225 Difference]: With dead ends: 58077 [2020-12-23 09:14:47,958 INFO L226 Difference]: Without dead ends: 38715 [2020-12-23 09:14:47,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:48,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38715 states. [2020-12-23 09:14:50,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38715 to 38497. [2020-12-23 09:14:50,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38497 states. [2020-12-23 09:14:50,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38497 states to 38497 states and 69539 transitions. [2020-12-23 09:14:50,248 INFO L78 Accepts]: Start accepts. Automaton has 38497 states and 69539 transitions. Word has length 116 [2020-12-23 09:14:50,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:50,249 INFO L481 AbstractCegarLoop]: Abstraction has 38497 states and 69539 transitions. [2020-12-23 09:14:50,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:50,249 INFO L276 IsEmpty]: Start isEmpty. Operand 38497 states and 69539 transitions. [2020-12-23 09:14:50,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 09:14:50,307 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:50,307 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:50,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:14:50,307 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:50,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:50,308 INFO L82 PathProgramCache]: Analyzing trace with hash -769974722, now seen corresponding path program 1 times [2020-12-23 09:14:50,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:50,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493727035] [2020-12-23 09:14:50,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:50,415 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 09:14:50,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493727035] [2020-12-23 09:14:50,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:50,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:14:50,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670832012] [2020-12-23 09:14:50,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:50,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:50,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:50,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:50,418 INFO L87 Difference]: Start difference. First operand 38497 states and 69539 transitions. Second operand 5 states. [2020-12-23 09:14:53,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:53,417 INFO L93 Difference]: Finished difference Result 113186 states and 204416 transitions. [2020-12-23 09:14:53,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:14:53,418 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 117 [2020-12-23 09:14:53,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:53,659 INFO L225 Difference]: With dead ends: 113186 [2020-12-23 09:14:53,659 INFO L226 Difference]: Without dead ends: 74946 [2020-12-23 09:14:53,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:14:53,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74946 states. [2020-12-23 09:14:56,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74946 to 38497. [2020-12-23 09:14:56,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38497 states. [2020-12-23 09:14:56,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38497 states to 38497 states and 69281 transitions. [2020-12-23 09:14:56,142 INFO L78 Accepts]: Start accepts. Automaton has 38497 states and 69281 transitions. Word has length 117 [2020-12-23 09:14:56,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:56,143 INFO L481 AbstractCegarLoop]: Abstraction has 38497 states and 69281 transitions. [2020-12-23 09:14:56,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:56,143 INFO L276 IsEmpty]: Start isEmpty. Operand 38497 states and 69281 transitions. [2020-12-23 09:14:56,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 09:14:56,187 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:56,188 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:56,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:14:56,188 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:56,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:56,189 INFO L82 PathProgramCache]: Analyzing trace with hash -290943396, now seen corresponding path program 2 times [2020-12-23 09:14:56,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:56,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182981383] [2020-12-23 09:14:56,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:56,282 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:56,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182981383] [2020-12-23 09:14:56,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:56,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:56,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586029311] [2020-12-23 09:14:56,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:56,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:56,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:56,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:56,286 INFO L87 Difference]: Start difference. First operand 38497 states and 69281 transitions. Second operand 3 states. [2020-12-23 09:14:57,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:57,882 INFO L93 Difference]: Finished difference Result 76949 states and 138481 transitions. [2020-12-23 09:14:57,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:57,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-23 09:14:57,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:57,966 INFO L225 Difference]: With dead ends: 76949 [2020-12-23 09:14:57,967 INFO L226 Difference]: Without dead ends: 38715 [2020-12-23 09:14:57,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:58,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38715 states. [2020-12-23 09:14:59,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38715 to 38497. [2020-12-23 09:14:59,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38497 states. [2020-12-23 09:14:59,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38497 states to 38497 states and 69153 transitions. [2020-12-23 09:14:59,852 INFO L78 Accepts]: Start accepts. Automaton has 38497 states and 69153 transitions. Word has length 117 [2020-12-23 09:14:59,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:59,852 INFO L481 AbstractCegarLoop]: Abstraction has 38497 states and 69153 transitions. [2020-12-23 09:14:59,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:59,852 INFO L276 IsEmpty]: Start isEmpty. Operand 38497 states and 69153 transitions. [2020-12-23 09:15:00,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 09:15:00,050 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:15:00,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:15:00,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:15:00,051 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:15:00,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:15:00,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1584847049, now seen corresponding path program 1 times [2020-12-23 09:15:00,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:15:00,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105197656] [2020-12-23 09:15:00,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:15:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:15:00,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:15:00,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105197656] [2020-12-23 09:15:00,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:15:00,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:15:00,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053257750] [2020-12-23 09:15:00,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:15:00,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:15:00,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:15:00,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:15:00,185 INFO L87 Difference]: Start difference. First operand 38497 states and 69153 transitions. Second operand 3 states. [2020-12-23 09:15:02,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:15:02,640 INFO L93 Difference]: Finished difference Result 107071 states and 192059 transitions. [2020-12-23 09:15:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:15:02,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-23 09:15:02,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:15:02,772 INFO L225 Difference]: With dead ends: 107071 [2020-12-23 09:15:02,772 INFO L226 Difference]: Without dead ends: 68797 [2020-12-23 09:15:02,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:15:02,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68797 states. [2020-12-23 09:15:05,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68797 to 68579. [2020-12-23 09:15:05,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68579 states. [2020-12-23 09:15:05,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68579 states to 68579 states and 122658 transitions. [2020-12-23 09:15:05,984 INFO L78 Accepts]: Start accepts. Automaton has 68579 states and 122658 transitions. Word has length 117 [2020-12-23 09:15:05,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:15:05,984 INFO L481 AbstractCegarLoop]: Abstraction has 68579 states and 122658 transitions. [2020-12-23 09:15:05,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:15:05,984 INFO L276 IsEmpty]: Start isEmpty. Operand 68579 states and 122658 transitions. [2020-12-23 09:15:06,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-23 09:15:06,086 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:15:06,086 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:15:06,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:15:06,086 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:15:06,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:15:06,087 INFO L82 PathProgramCache]: Analyzing trace with hash 551421090, now seen corresponding path program 1 times [2020-12-23 09:15:06,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:15:06,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371149474] [2020-12-23 09:15:06,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:15:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:15:06,280 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:15:06,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371149474] [2020-12-23 09:15:06,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:15:06,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:15:06,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085956336] [2020-12-23 09:15:06,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:15:06,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:15:06,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:15:06,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:15:06,284 INFO L87 Difference]: Start difference. First operand 68579 states and 122658 transitions. Second operand 9 states. [2020-12-23 09:15:12,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:15:12,354 INFO L93 Difference]: Finished difference Result 138547 states and 247545 transitions. [2020-12-23 09:15:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 09:15:12,356 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 118 [2020-12-23 09:15:12,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:15:12,786 INFO L225 Difference]: With dead ends: 138547 [2020-12-23 09:15:12,786 INFO L226 Difference]: Without dead ends: 138360 [2020-12-23 09:15:12,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=212, Invalid=438, Unknown=0, NotChecked=0, Total=650 [2020-12-23 09:15:12,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138360 states. [2020-12-23 09:15:18,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138360 to 137078. [2020-12-23 09:15:18,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137078 states. [2020-12-23 09:15:18,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137078 states to 137078 states and 245191 transitions. [2020-12-23 09:15:18,928 INFO L78 Accepts]: Start accepts. Automaton has 137078 states and 245191 transitions. Word has length 118 [2020-12-23 09:15:18,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:15:18,929 INFO L481 AbstractCegarLoop]: Abstraction has 137078 states and 245191 transitions. [2020-12-23 09:15:18,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:15:18,929 INFO L276 IsEmpty]: Start isEmpty. Operand 137078 states and 245191 transitions. [2020-12-23 09:15:19,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 09:15:19,417 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:15:19,417 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:15:19,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:15:19,418 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:15:19,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:15:19,422 INFO L82 PathProgramCache]: Analyzing trace with hash -25342873, now seen corresponding path program 1 times [2020-12-23 09:15:19,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:15:19,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103561198] [2020-12-23 09:15:19,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:15:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:15:19,561 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:15:19,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103561198] [2020-12-23 09:15:19,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:15:19,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:15:19,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184027631] [2020-12-23 09:15:19,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:15:19,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:15:19,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:15:19,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:15:19,564 INFO L87 Difference]: Start difference. First operand 137078 states and 245191 transitions. Second operand 4 states. [2020-12-23 09:15:24,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:15:24,109 INFO L93 Difference]: Finished difference Result 137506 states and 245877 transitions. [2020-12-23 09:15:24,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:15:24,114 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2020-12-23 09:15:24,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:15:24,418 INFO L225 Difference]: With dead ends: 137506 [2020-12-23 09:15:24,418 INFO L226 Difference]: Without dead ends: 137111 [2020-12-23 09:15:24,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:15:24,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137111 states. [2020-12-23 09:15:29,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137111 to 136958. [2020-12-23 09:15:29,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136958 states. [2020-12-23 09:15:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136958 states to 136958 states and 244984 transitions. [2020-12-23 09:15:30,492 INFO L78 Accepts]: Start accepts. Automaton has 136958 states and 244984 transitions. Word has length 119 [2020-12-23 09:15:30,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:15:30,493 INFO L481 AbstractCegarLoop]: Abstraction has 136958 states and 244984 transitions. [2020-12-23 09:15:30,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:15:30,493 INFO L276 IsEmpty]: Start isEmpty. Operand 136958 states and 244984 transitions. [2020-12-23 09:15:30,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 09:15:30,588 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:15:30,588 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:15:30,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:15:30,588 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:15:30,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:15:30,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1393711064, now seen corresponding path program 1 times [2020-12-23 09:15:30,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:15:30,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551867422] [2020-12-23 09:15:30,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:15:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:15:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:15:30,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551867422] [2020-12-23 09:15:30,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:15:30,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 09:15:30,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155129520] [2020-12-23 09:15:30,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:15:30,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:15:30,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:15:30,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:15:30,684 INFO L87 Difference]: Start difference. First operand 136958 states and 244984 transitions. Second operand 7 states. [2020-12-23 09:15:35,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:15:35,271 INFO L93 Difference]: Finished difference Result 137511 states and 245877 transitions. [2020-12-23 09:15:35,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 09:15:35,272 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 120 [2020-12-23 09:15:35,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:15:35,505 INFO L225 Difference]: With dead ends: 137511 [2020-12-23 09:15:35,505 INFO L226 Difference]: Without dead ends: 137147 [2020-12-23 09:15:35,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-12-23 09:15:35,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137147 states. [2020-12-23 09:15:41,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137147 to 136946. [2020-12-23 09:15:41,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136946 states. [2020-12-23 09:15:41,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136946 states to 136946 states and 244957 transitions. [2020-12-23 09:15:41,302 INFO L78 Accepts]: Start accepts. Automaton has 136946 states and 244957 transitions. Word has length 120 [2020-12-23 09:15:41,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:15:41,303 INFO L481 AbstractCegarLoop]: Abstraction has 136946 states and 244957 transitions. [2020-12-23 09:15:41,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:15:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 136946 states and 244957 transitions. [2020-12-23 09:15:41,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 09:15:41,379 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:15:41,379 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:15:41,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 09:15:41,379 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:15:41,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:15:41,379 INFO L82 PathProgramCache]: Analyzing trace with hash -652859904, now seen corresponding path program 1 times [2020-12-23 09:15:41,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:15:41,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693627172] [2020-12-23 09:15:41,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:15:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:15:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:15:41,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693627172] [2020-12-23 09:15:41,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:15:41,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:15:41,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954930238] [2020-12-23 09:15:41,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:15:41,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:15:41,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:15:41,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:15:41,458 INFO L87 Difference]: Start difference. First operand 136946 states and 244957 transitions. Second operand 4 states. [2020-12-23 09:15:48,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:15:48,260 INFO L93 Difference]: Finished difference Result 206211 states and 368697 transitions. [2020-12-23 09:15:48,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:15:48,260 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2020-12-23 09:15:48,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:15:48,712 INFO L225 Difference]: With dead ends: 206211 [2020-12-23 09:15:48,713 INFO L226 Difference]: Without dead ends: 205960 [2020-12-23 09:15:48,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:15:48,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205960 states. [2020-12-23 09:15:57,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205960 to 205378. [2020-12-23 09:15:57,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205378 states. [2020-12-23 09:15:58,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205378 states to 205378 states and 367360 transitions. [2020-12-23 09:15:58,310 INFO L78 Accepts]: Start accepts. Automaton has 205378 states and 367360 transitions. Word has length 120 [2020-12-23 09:15:58,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:15:58,311 INFO L481 AbstractCegarLoop]: Abstraction has 205378 states and 367360 transitions. [2020-12-23 09:15:58,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:15:58,311 INFO L276 IsEmpty]: Start isEmpty. Operand 205378 states and 367360 transitions. [2020-12-23 09:15:58,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 09:15:58,480 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:15:58,480 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:15:58,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 09:15:58,481 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:15:58,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:15:58,481 INFO L82 PathProgramCache]: Analyzing trace with hash -92160126, now seen corresponding path program 1 times [2020-12-23 09:15:58,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:15:58,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53023544] [2020-12-23 09:15:58,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:15:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:15:58,644 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:15:58,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53023544] [2020-12-23 09:15:58,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:15:58,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 09:15:58,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908954150] [2020-12-23 09:15:58,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:15:58,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:15:58,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:15:58,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:15:58,647 INFO L87 Difference]: Start difference. First operand 205378 states and 367360 transitions. Second operand 10 states. [2020-12-23 09:15:59,435 WARN L197 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-23 09:16:07,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:16:07,433 INFO L93 Difference]: Finished difference Result 209652 states and 374084 transitions. [2020-12-23 09:16:07,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-23 09:16:07,434 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 120 [2020-12-23 09:16:07,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:16:07,862 INFO L225 Difference]: With dead ends: 209652 [2020-12-23 09:16:07,862 INFO L226 Difference]: Without dead ends: 209158 [2020-12-23 09:16:07,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=337, Invalid=923, Unknown=0, NotChecked=0, Total=1260 [2020-12-23 09:16:08,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209158 states. [2020-12-23 09:16:18,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209158 to 205396. [2020-12-23 09:16:18,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205396 states. [2020-12-23 09:16:18,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205396 states to 205396 states and 367384 transitions. [2020-12-23 09:16:18,908 INFO L78 Accepts]: Start accepts. Automaton has 205396 states and 367384 transitions. Word has length 120 [2020-12-23 09:16:18,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:16:18,908 INFO L481 AbstractCegarLoop]: Abstraction has 205396 states and 367384 transitions. [2020-12-23 09:16:18,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:16:18,908 INFO L276 IsEmpty]: Start isEmpty. Operand 205396 states and 367384 transitions. [2020-12-23 09:16:19,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:16:19,067 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:16:19,067 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:16:19,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 09:16:19,067 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:16:19,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:16:19,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1042220148, now seen corresponding path program 1 times [2020-12-23 09:16:19,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:16:19,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777184796] [2020-12-23 09:16:19,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:16:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:16:19,187 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:16:19,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777184796] [2020-12-23 09:16:19,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:16:19,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:16:19,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354734230] [2020-12-23 09:16:19,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:16:19,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:16:19,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:16:19,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:16:19,189 INFO L87 Difference]: Start difference. First operand 205396 states and 367384 transitions. Second operand 5 states. [2020-12-23 09:16:27,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:16:27,209 INFO L93 Difference]: Finished difference Result 208518 states and 372364 transitions. [2020-12-23 09:16:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:16:27,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-12-23 09:16:27,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:16:27,670 INFO L225 Difference]: With dead ends: 208518 [2020-12-23 09:16:27,670 INFO L226 Difference]: Without dead ends: 208096 [2020-12-23 09:16:27,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:16:27,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208096 states. [2020-12-23 09:16:37,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208096 to 205780. [2020-12-23 09:16:37,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205780 states. [2020-12-23 09:16:37,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205780 states to 205780 states and 368007 transitions. [2020-12-23 09:16:37,949 INFO L78 Accepts]: Start accepts. Automaton has 205780 states and 368007 transitions. Word has length 121 [2020-12-23 09:16:37,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:16:37,963 INFO L481 AbstractCegarLoop]: Abstraction has 205780 states and 368007 transitions. [2020-12-23 09:16:37,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:16:37,963 INFO L276 IsEmpty]: Start isEmpty. Operand 205780 states and 368007 transitions. [2020-12-23 09:16:38,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-23 09:16:38,123 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:16:38,123 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:16:38,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 09:16:38,123 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:16:38,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:16:38,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1856586115, now seen corresponding path program 1 times [2020-12-23 09:16:38,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:16:38,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864434045] [2020-12-23 09:16:38,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:16:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:16:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:16:38,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864434045] [2020-12-23 09:16:38,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:16:38,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 09:16:38,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100442449] [2020-12-23 09:16:38,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:16:38,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:16:38,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:16:38,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:16:38,261 INFO L87 Difference]: Start difference. First operand 205780 states and 368007 transitions. Second operand 10 states. [2020-12-23 09:16:46,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:16:46,011 INFO L93 Difference]: Finished difference Result 206806 states and 369636 transitions. [2020-12-23 09:16:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 09:16:46,011 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 122 [2020-12-23 09:16:46,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:16:46,491 INFO L225 Difference]: With dead ends: 206806 [2020-12-23 09:16:46,491 INFO L226 Difference]: Without dead ends: 205946 [2020-12-23 09:16:46,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=185, Invalid=415, Unknown=0, NotChecked=0, Total=600 [2020-12-23 09:16:46,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205946 states. [2020-12-23 09:16:55,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205946 to 205744. [2020-12-23 09:16:55,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205744 states. [2020-12-23 09:16:56,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205744 states to 205744 states and 367920 transitions. [2020-12-23 09:16:56,693 INFO L78 Accepts]: Start accepts. Automaton has 205744 states and 367920 transitions. Word has length 122 [2020-12-23 09:16:56,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:16:56,694 INFO L481 AbstractCegarLoop]: Abstraction has 205744 states and 367920 transitions. [2020-12-23 09:16:56,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:16:56,694 INFO L276 IsEmpty]: Start isEmpty. Operand 205744 states and 367920 transitions. [2020-12-23 09:16:56,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-23 09:16:56,881 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:16:56,881 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:16:56,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 09:16:56,882 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:16:56,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:16:56,882 INFO L82 PathProgramCache]: Analyzing trace with hash 607122878, now seen corresponding path program 1 times [2020-12-23 09:16:56,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:16:56,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607338918] [2020-12-23 09:16:56,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:16:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:16:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:16:56,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607338918] [2020-12-23 09:16:56,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:16:56,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:16:56,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864443043] [2020-12-23 09:16:56,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:16:56,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:16:56,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:16:56,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:16:56,980 INFO L87 Difference]: Start difference. First operand 205744 states and 367920 transitions. Second operand 5 states. [2020-12-23 09:17:04,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:04,899 INFO L93 Difference]: Finished difference Result 207022 states and 369933 transitions. [2020-12-23 09:17:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:17:04,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-12-23 09:17:04,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:05,354 INFO L225 Difference]: With dead ends: 207022 [2020-12-23 09:17:05,354 INFO L226 Difference]: Without dead ends: 206558 [2020-12-23 09:17:05,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:17:05,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206558 states. [2020-12-23 09:17:15,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206558 to 205750. [2020-12-23 09:17:15,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205750 states. [2020-12-23 09:17:16,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205750 states to 205750 states and 367923 transitions. [2020-12-23 09:17:16,747 INFO L78 Accepts]: Start accepts. Automaton has 205750 states and 367923 transitions. Word has length 122 [2020-12-23 09:17:16,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:16,748 INFO L481 AbstractCegarLoop]: Abstraction has 205750 states and 367923 transitions. [2020-12-23 09:17:16,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:17:16,748 INFO L276 IsEmpty]: Start isEmpty. Operand 205750 states and 367923 transitions. [2020-12-23 09:17:16,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 09:17:16,931 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:16,931 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:16,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 09:17:16,932 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:16,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:16,932 INFO L82 PathProgramCache]: Analyzing trace with hash -264147870, now seen corresponding path program 1 times [2020-12-23 09:17:16,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:16,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847824251] [2020-12-23 09:17:16,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:17:17,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847824251] [2020-12-23 09:17:17,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:17,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:17:17,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681874586] [2020-12-23 09:17:17,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:17:17,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:17,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:17:17,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:17:17,021 INFO L87 Difference]: Start difference. First operand 205750 states and 367923 transitions. Second operand 4 states. [2020-12-23 09:17:24,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:24,920 INFO L93 Difference]: Finished difference Result 208695 states and 372568 transitions. [2020-12-23 09:17:24,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:17:24,921 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2020-12-23 09:17:24,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:25,564 INFO L225 Difference]: With dead ends: 208695 [2020-12-23 09:17:25,564 INFO L226 Difference]: Without dead ends: 207754 [2020-12-23 09:17:25,615 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:17:25,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207754 states. [2020-12-23 09:17:34,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207754 to 205758. [2020-12-23 09:17:34,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205758 states. [2020-12-23 09:17:35,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205758 states to 205758 states and 367931 transitions. [2020-12-23 09:17:35,729 INFO L78 Accepts]: Start accepts. Automaton has 205758 states and 367931 transitions. Word has length 124 [2020-12-23 09:17:35,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:35,729 INFO L481 AbstractCegarLoop]: Abstraction has 205758 states and 367931 transitions. [2020-12-23 09:17:35,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:17:35,730 INFO L276 IsEmpty]: Start isEmpty. Operand 205758 states and 367931 transitions. [2020-12-23 09:17:35,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 09:17:35,926 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:35,926 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:35,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 09:17:35,926 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:35,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:35,927 INFO L82 PathProgramCache]: Analyzing trace with hash -185193917, now seen corresponding path program 1 times [2020-12-23 09:17:35,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:35,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549373753] [2020-12-23 09:17:35,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:36,029 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:17:36,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549373753] [2020-12-23 09:17:36,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:36,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:17:36,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811070185] [2020-12-23 09:17:36,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:17:36,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:36,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:17:36,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:17:36,031 INFO L87 Difference]: Start difference. First operand 205758 states and 367931 transitions. Second operand 6 states. [2020-12-23 09:17:43,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:43,529 INFO L93 Difference]: Finished difference Result 207451 states and 370603 transitions. [2020-12-23 09:17:43,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:17:43,530 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2020-12-23 09:17:43,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:43,969 INFO L225 Difference]: With dead ends: 207451 [2020-12-23 09:17:43,969 INFO L226 Difference]: Without dead ends: 206481 [2020-12-23 09:17:44,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:17:44,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206481 states. [2020-12-23 09:17:52,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206481 to 205704. [2020-12-23 09:17:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205704 states. [2020-12-23 09:17:53,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205704 states to 205704 states and 367845 transitions. [2020-12-23 09:17:53,707 INFO L78 Accepts]: Start accepts. Automaton has 205704 states and 367845 transitions. Word has length 124 [2020-12-23 09:17:53,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:53,707 INFO L481 AbstractCegarLoop]: Abstraction has 205704 states and 367845 transitions. [2020-12-23 09:17:53,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:17:53,707 INFO L276 IsEmpty]: Start isEmpty. Operand 205704 states and 367845 transitions. [2020-12-23 09:17:53,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-23 09:17:53,876 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:53,876 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:53,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-23 09:17:53,877 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:53,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:53,877 INFO L82 PathProgramCache]: Analyzing trace with hash -907725025, now seen corresponding path program 1 times [2020-12-23 09:17:53,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:53,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356063223] [2020-12-23 09:17:53,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:17:54,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356063223] [2020-12-23 09:17:54,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:54,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 09:17:54,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219484110] [2020-12-23 09:17:54,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 09:17:54,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:54,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 09:17:54,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2020-12-23 09:17:54,059 INFO L87 Difference]: Start difference. First operand 205704 states and 367845 transitions. Second operand 12 states.