/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec27_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:51:10,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:51:10,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:51:10,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:51:10,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:51:10,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:51:10,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:51:10,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:51:10,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:51:10,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:51:10,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:51:10,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:51:10,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:51:10,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:51:10,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:51:10,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:51:10,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:51:10,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:51:10,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:51:10,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:51:10,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:51:10,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:51:10,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:51:10,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:51:10,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:51:10,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:51:10,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:51:10,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:51:10,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:51:10,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:51:10,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:51:10,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:51:10,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:51:10,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:51:10,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:51:10,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:51:10,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:51:10,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:51:10,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:51:10,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:51:10,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:51:10,125 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:51:10,154 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:51:10,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:51:10,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:51:10,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:51:10,156 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:51:10,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:51:10,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:51:10,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:51:10,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:51:10,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:51:10,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:51:10,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:51:10,158 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:51:10,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:51:10,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:51:10,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:51:10,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:51:10,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:51:10,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:51:10,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:51:10,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:51:10,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:51:10,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:51:10,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:51:10,161 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:51:10,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:51:10,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:51:10,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:51:10,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:51:10,646 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:51:10,646 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:51:10,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product18.cil.c [2020-12-23 08:51:10,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/776326114/bed3ed47692e485c8d9a444ebf05c8ff/FLAG076d415bc [2020-12-23 08:51:11,527 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:51:11,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product18.cil.c [2020-12-23 08:51:11,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/776326114/bed3ed47692e485c8d9a444ebf05c8ff/FLAG076d415bc [2020-12-23 08:51:11,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/776326114/bed3ed47692e485c8d9a444ebf05c8ff [2020-12-23 08:51:11,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:51:11,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:51:11,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:51:11,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:51:11,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:51:11,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:51:11" (1/1) ... [2020-12-23 08:51:11,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a5d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:11, skipping insertion in model container [2020-12-23 08:51:11,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:51:11" (1/1) ... [2020-12-23 08:51:11,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:51:11,889 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] 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_tmp9~0,] 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_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] 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_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] 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_tmp7~2,] 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[~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~5,] 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~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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_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~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] 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_13~1,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~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[~retValue_acc~6,] 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~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[~retValue_acc~7,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~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[~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[~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[~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[~retValue_acc~11,] 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~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[~retValue_acc~12,] 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~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[~retValue_acc~13,] 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~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[~retValue_acc~14,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_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[~__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~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_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~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_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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] 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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] 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~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_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~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_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~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_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~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_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~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_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[~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___0~4,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] 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~37,] 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[~__cil_tmp4~5,] 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[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] 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[~pubkey~0,] 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[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2020-12-23 08:51:12,690 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product18.cil.c[62058,62071] [2020-12-23 08:51:12,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:51:12,737 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] 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_tmp9~0,] 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_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] 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_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] 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_tmp7~2,] 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[~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~5,] 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~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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_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~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] 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_13~1,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~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[~retValue_acc~6,] 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~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[~retValue_acc~7,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~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[~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[~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[~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[~retValue_acc~11,] 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~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[~retValue_acc~12,] 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~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[~retValue_acc~13,] 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~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[~retValue_acc~14,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_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[~__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~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_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~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_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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] 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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] 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~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_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~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_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~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_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~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_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~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_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[~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___0~4,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] 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~37,] 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[~__cil_tmp4~5,] 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[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] 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[~pubkey~0,] 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[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2020-12-23 08:51:12,963 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product18.cil.c[62058,62071] [2020-12-23 08:51:12,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:51:13,050 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:51:13,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:13 WrapperNode [2020-12-23 08:51:13,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:51:13,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:51:13,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:51:13,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:51:13,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:13" (1/1) ... [2020-12-23 08:51:13,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:13" (1/1) ... [2020-12-23 08:51:13,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:51:13,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:51:13,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:51:13,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:51:13,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:13" (1/1) ... [2020-12-23 08:51:13,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:13" (1/1) ... [2020-12-23 08:51:13,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:13" (1/1) ... [2020-12-23 08:51:13,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:13" (1/1) ... [2020-12-23 08:51:13,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:13" (1/1) ... [2020-12-23 08:51:13,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:13" (1/1) ... [2020-12-23 08:51:13,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:13" (1/1) ... [2020-12-23 08:51:13,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:51:13,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:51:13,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:51:13,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:51:13,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:13" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:51:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:51:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:51:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:51:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:51:13,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:51:15,439 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:51:15,439 INFO L299 CfgBuilder]: Removed 267 assume(true) statements. [2020-12-23 08:51:15,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:51:15 BoogieIcfgContainer [2020-12-23 08:51:15,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:51:15,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:51:15,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:51:15,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:51:15,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:51:11" (1/3) ... [2020-12-23 08:51:15,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5865b3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:51:15, skipping insertion in model container [2020-12-23 08:51:15,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:13" (2/3) ... [2020-12-23 08:51:15,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5865b3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:51:15, skipping insertion in model container [2020-12-23 08:51:15,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:51:15" (3/3) ... [2020-12-23 08:51:15,451 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product18.cil.c [2020-12-23 08:51:15,458 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:51:15,471 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:51:15,491 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:51:15,522 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:51:15,523 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:51:15,523 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:51:15,523 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:51:15,523 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:51:15,523 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:51:15,523 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:51:15,524 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:51:15,552 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states. [2020-12-23 08:51:15,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 08:51:15,566 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:15,567 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:15,568 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:15,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:15,575 INFO L82 PathProgramCache]: Analyzing trace with hash -167129029, now seen corresponding path program 1 times [2020-12-23 08:51:15,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:15,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212959671] [2020-12-23 08:51:15,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:16,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:16,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212959671] [2020-12-23 08:51:16,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:16,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:16,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182770628] [2020-12-23 08:51:16,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:16,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:16,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:16,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:16,119 INFO L87 Difference]: Start difference. First operand 429 states. Second operand 3 states. [2020-12-23 08:51:16,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:16,259 INFO L93 Difference]: Finished difference Result 1252 states and 2204 transitions. [2020-12-23 08:51:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:16,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 08:51:16,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:16,292 INFO L225 Difference]: With dead ends: 1252 [2020-12-23 08:51:16,292 INFO L226 Difference]: Without dead ends: 804 [2020-12-23 08:51:16,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:16,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2020-12-23 08:51:16,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 411. [2020-12-23 08:51:16,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-12-23 08:51:16,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 718 transitions. [2020-12-23 08:51:16,423 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 718 transitions. Word has length 48 [2020-12-23 08:51:16,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:16,423 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 718 transitions. [2020-12-23 08:51:16,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:16,424 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 718 transitions. [2020-12-23 08:51:16,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 08:51:16,434 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:16,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:16,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:51:16,435 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:16,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:16,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1311500302, now seen corresponding path program 1 times [2020-12-23 08:51:16,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:16,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222384018] [2020-12-23 08:51:16,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:16,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:16,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222384018] [2020-12-23 08:51:16,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:16,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:16,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569941098] [2020-12-23 08:51:16,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:16,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:16,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:16,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:16,620 INFO L87 Difference]: Start difference. First operand 411 states and 718 transitions. Second operand 5 states. [2020-12-23 08:51:16,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:16,840 INFO L93 Difference]: Finished difference Result 1182 states and 2070 transitions. [2020-12-23 08:51:16,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:51:16,841 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 08:51:16,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:16,849 INFO L225 Difference]: With dead ends: 1182 [2020-12-23 08:51:16,849 INFO L226 Difference]: Without dead ends: 790 [2020-12-23 08:51:16,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:51:16,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-12-23 08:51:16,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 411. [2020-12-23 08:51:16,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-12-23 08:51:16,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 717 transitions. [2020-12-23 08:51:16,875 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 717 transitions. Word has length 50 [2020-12-23 08:51:16,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:16,875 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 717 transitions. [2020-12-23 08:51:16,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:16,875 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 717 transitions. [2020-12-23 08:51:16,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 08:51:16,877 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:16,877 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:16,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:51:16,878 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:16,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:16,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1098779109, now seen corresponding path program 1 times [2020-12-23 08:51:16,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:16,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087833421] [2020-12-23 08:51:16,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:17,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087833421] [2020-12-23 08:51:17,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:17,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:17,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465189656] [2020-12-23 08:51:17,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:17,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:17,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:17,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:17,007 INFO L87 Difference]: Start difference. First operand 411 states and 717 transitions. Second operand 3 states. [2020-12-23 08:51:17,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:17,059 INFO L93 Difference]: Finished difference Result 804 states and 1408 transitions. [2020-12-23 08:51:17,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:17,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 08:51:17,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:17,066 INFO L225 Difference]: With dead ends: 804 [2020-12-23 08:51:17,067 INFO L226 Difference]: Without dead ends: 416 [2020-12-23 08:51:17,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:17,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-12-23 08:51:17,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 411. [2020-12-23 08:51:17,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-12-23 08:51:17,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 716 transitions. [2020-12-23 08:51:17,096 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 716 transitions. Word has length 51 [2020-12-23 08:51:17,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:17,104 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 716 transitions. [2020-12-23 08:51:17,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:17,105 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 716 transitions. [2020-12-23 08:51:17,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 08:51:17,106 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:17,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:17,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:51:17,107 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:17,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:17,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1661226655, now seen corresponding path program 1 times [2020-12-23 08:51:17,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:17,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110911156] [2020-12-23 08:51:17,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:17,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:17,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110911156] [2020-12-23 08:51:17,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:17,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:17,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347628288] [2020-12-23 08:51:17,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:17,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:17,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:17,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:17,232 INFO L87 Difference]: Start difference. First operand 411 states and 716 transitions. Second operand 3 states. [2020-12-23 08:51:17,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:17,277 INFO L93 Difference]: Finished difference Result 814 states and 1421 transitions. [2020-12-23 08:51:17,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:17,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-23 08:51:17,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:17,280 INFO L225 Difference]: With dead ends: 814 [2020-12-23 08:51:17,280 INFO L226 Difference]: Without dead ends: 411 [2020-12-23 08:51:17,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:17,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2020-12-23 08:51:17,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2020-12-23 08:51:17,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-12-23 08:51:17,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 714 transitions. [2020-12-23 08:51:17,298 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 714 transitions. Word has length 52 [2020-12-23 08:51:17,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:17,300 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 714 transitions. [2020-12-23 08:51:17,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 714 transitions. [2020-12-23 08:51:17,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 08:51:17,302 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:17,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:17,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:51:17,302 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:17,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:17,303 INFO L82 PathProgramCache]: Analyzing trace with hash -755664714, now seen corresponding path program 1 times [2020-12-23 08:51:17,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:17,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221593296] [2020-12-23 08:51:17,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:17,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:17,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221593296] [2020-12-23 08:51:17,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:17,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:17,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037072295] [2020-12-23 08:51:17,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:17,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:17,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:17,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:17,434 INFO L87 Difference]: Start difference. First operand 411 states and 714 transitions. Second operand 5 states. [2020-12-23 08:51:17,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:17,631 INFO L93 Difference]: Finished difference Result 1172 states and 2050 transitions. [2020-12-23 08:51:17,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:51:17,632 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-12-23 08:51:17,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:17,637 INFO L225 Difference]: With dead ends: 1172 [2020-12-23 08:51:17,637 INFO L226 Difference]: Without dead ends: 788 [2020-12-23 08:51:17,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:17,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2020-12-23 08:51:17,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 411. [2020-12-23 08:51:17,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-12-23 08:51:17,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 713 transitions. [2020-12-23 08:51:17,662 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 713 transitions. Word has length 53 [2020-12-23 08:51:17,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:17,662 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 713 transitions. [2020-12-23 08:51:17,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:17,663 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 713 transitions. [2020-12-23 08:51:17,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 08:51:17,665 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:17,666 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:17,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:51:17,666 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:17,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:17,666 INFO L82 PathProgramCache]: Analyzing trace with hash 574282393, now seen corresponding path program 1 times [2020-12-23 08:51:17,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:17,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592966569] [2020-12-23 08:51:17,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:17,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592966569] [2020-12-23 08:51:17,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:17,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:17,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804231593] [2020-12-23 08:51:17,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:17,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:17,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:17,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:17,772 INFO L87 Difference]: Start difference. First operand 411 states and 713 transitions. Second operand 5 states. [2020-12-23 08:51:17,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:17,958 INFO L93 Difference]: Finished difference Result 1177 states and 2055 transitions. [2020-12-23 08:51:17,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:51:17,959 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-23 08:51:17,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:17,964 INFO L225 Difference]: With dead ends: 1177 [2020-12-23 08:51:17,964 INFO L226 Difference]: Without dead ends: 793 [2020-12-23 08:51:17,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:17,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2020-12-23 08:51:17,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 411. [2020-12-23 08:51:17,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-12-23 08:51:17,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 712 transitions. [2020-12-23 08:51:17,999 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 712 transitions. Word has length 54 [2020-12-23 08:51:18,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:18,000 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 712 transitions. [2020-12-23 08:51:18,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:18,000 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 712 transitions. [2020-12-23 08:51:18,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 08:51:18,001 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:18,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:18,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:51:18,003 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:18,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:18,008 INFO L82 PathProgramCache]: Analyzing trace with hash -314537551, now seen corresponding path program 1 times [2020-12-23 08:51:18,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:18,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804564865] [2020-12-23 08:51:18,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:18,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:18,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804564865] [2020-12-23 08:51:18,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:18,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:18,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22366120] [2020-12-23 08:51:18,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:18,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:18,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:18,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:18,115 INFO L87 Difference]: Start difference. First operand 411 states and 712 transitions. Second operand 3 states. [2020-12-23 08:51:18,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:18,149 INFO L93 Difference]: Finished difference Result 584 states and 1000 transitions. [2020-12-23 08:51:18,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:18,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-23 08:51:18,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:18,152 INFO L225 Difference]: With dead ends: 584 [2020-12-23 08:51:18,152 INFO L226 Difference]: Without dead ends: 414 [2020-12-23 08:51:18,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:18,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2020-12-23 08:51:18,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 413. [2020-12-23 08:51:18,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-12-23 08:51:18,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 714 transitions. [2020-12-23 08:51:18,180 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 714 transitions. Word has length 55 [2020-12-23 08:51:18,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:18,182 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 714 transitions. [2020-12-23 08:51:18,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:18,182 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 714 transitions. [2020-12-23 08:51:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 08:51:18,183 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:18,185 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:18,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:51:18,185 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:18,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:18,186 INFO L82 PathProgramCache]: Analyzing trace with hash -976462689, now seen corresponding path program 1 times [2020-12-23 08:51:18,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:18,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109605121] [2020-12-23 08:51:18,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:18,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:18,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109605121] [2020-12-23 08:51:18,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:18,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:18,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031552521] [2020-12-23 08:51:18,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:18,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:18,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:18,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:18,273 INFO L87 Difference]: Start difference. First operand 413 states and 714 transitions. Second operand 3 states. [2020-12-23 08:51:18,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:18,328 INFO L93 Difference]: Finished difference Result 1125 states and 1966 transitions. [2020-12-23 08:51:18,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:18,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-12-23 08:51:18,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:18,333 INFO L225 Difference]: With dead ends: 1125 [2020-12-23 08:51:18,333 INFO L226 Difference]: Without dead ends: 743 [2020-12-23 08:51:18,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:18,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2020-12-23 08:51:18,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 573. [2020-12-23 08:51:18,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2020-12-23 08:51:18,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 1007 transitions. [2020-12-23 08:51:18,373 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 1007 transitions. Word has length 63 [2020-12-23 08:51:18,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:18,373 INFO L481 AbstractCegarLoop]: Abstraction has 573 states and 1007 transitions. [2020-12-23 08:51:18,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:18,374 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1007 transitions. [2020-12-23 08:51:18,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 08:51:18,375 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:18,375 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:18,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:51:18,378 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:18,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:18,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1102022530, now seen corresponding path program 1 times [2020-12-23 08:51:18,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:18,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825500510] [2020-12-23 08:51:18,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:18,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825500510] [2020-12-23 08:51:18,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:18,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:18,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077195720] [2020-12-23 08:51:18,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:18,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:18,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:18,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:18,528 INFO L87 Difference]: Start difference. First operand 573 states and 1007 transitions. Second operand 5 states. [2020-12-23 08:51:18,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:18,755 INFO L93 Difference]: Finished difference Result 1649 states and 2927 transitions. [2020-12-23 08:51:18,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:51:18,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-12-23 08:51:18,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:18,762 INFO L225 Difference]: With dead ends: 1649 [2020-12-23 08:51:18,762 INFO L226 Difference]: Without dead ends: 1107 [2020-12-23 08:51:18,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:18,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2020-12-23 08:51:18,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 573. [2020-12-23 08:51:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2020-12-23 08:51:18,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 1005 transitions. [2020-12-23 08:51:18,805 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 1005 transitions. Word has length 64 [2020-12-23 08:51:18,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:18,805 INFO L481 AbstractCegarLoop]: Abstraction has 573 states and 1005 transitions. [2020-12-23 08:51:18,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:18,806 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1005 transitions. [2020-12-23 08:51:18,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 08:51:18,807 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:18,807 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:18,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:51:18,807 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:18,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:18,808 INFO L82 PathProgramCache]: Analyzing trace with hash -413552043, now seen corresponding path program 1 times [2020-12-23 08:51:18,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:18,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534379833] [2020-12-23 08:51:18,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:18,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:18,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534379833] [2020-12-23 08:51:18,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:18,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:18,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736428662] [2020-12-23 08:51:18,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:18,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:18,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:18,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:18,867 INFO L87 Difference]: Start difference. First operand 573 states and 1005 transitions. Second operand 3 states. [2020-12-23 08:51:18,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:18,941 INFO L93 Difference]: Finished difference Result 1647 states and 2919 transitions. [2020-12-23 08:51:18,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:18,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-12-23 08:51:18,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:18,948 INFO L225 Difference]: With dead ends: 1647 [2020-12-23 08:51:18,948 INFO L226 Difference]: Without dead ends: 1105 [2020-12-23 08:51:18,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:18,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2020-12-23 08:51:19,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 935. [2020-12-23 08:51:19,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2020-12-23 08:51:19,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1668 transitions. [2020-12-23 08:51:19,012 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1668 transitions. Word has length 65 [2020-12-23 08:51:19,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:19,013 INFO L481 AbstractCegarLoop]: Abstraction has 935 states and 1668 transitions. [2020-12-23 08:51:19,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:19,013 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1668 transitions. [2020-12-23 08:51:19,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 08:51:19,021 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:19,021 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:19,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:51:19,021 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:19,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:19,022 INFO L82 PathProgramCache]: Analyzing trace with hash -369162253, now seen corresponding path program 1 times [2020-12-23 08:51:19,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:19,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766295945] [2020-12-23 08:51:19,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:19,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766295945] [2020-12-23 08:51:19,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409360496] [2020-12-23 08:51:19,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:51:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:19,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:51:19,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:51:19,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:19,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:51:19,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:51:19,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793374373] [2020-12-23 08:51:19,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:19,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:19,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:19,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:19,717 INFO L87 Difference]: Start difference. First operand 935 states and 1668 transitions. Second operand 5 states. [2020-12-23 08:51:19,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:19,845 INFO L93 Difference]: Finished difference Result 1494 states and 2632 transitions. [2020-12-23 08:51:19,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:51:19,847 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-12-23 08:51:19,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:19,855 INFO L225 Difference]: With dead ends: 1494 [2020-12-23 08:51:19,855 INFO L226 Difference]: Without dead ends: 1324 [2020-12-23 08:51:19,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:19,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2020-12-23 08:51:19,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1151. [2020-12-23 08:51:19,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2020-12-23 08:51:19,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 2058 transitions. [2020-12-23 08:51:19,989 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 2058 transitions. Word has length 65 [2020-12-23 08:51:19,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:19,990 INFO L481 AbstractCegarLoop]: Abstraction has 1151 states and 2058 transitions. [2020-12-23 08:51:19,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:19,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 2058 transitions. [2020-12-23 08:51:19,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:51:19,992 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:19,993 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:20,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:51:20,208 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:20,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:20,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1761324656, now seen corresponding path program 1 times [2020-12-23 08:51:20,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:20,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587042649] [2020-12-23 08:51:20,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:20,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587042649] [2020-12-23 08:51:20,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:20,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:20,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528415269] [2020-12-23 08:51:20,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:20,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:20,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:20,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:20,287 INFO L87 Difference]: Start difference. First operand 1151 states and 2058 transitions. Second operand 3 states. [2020-12-23 08:51:20,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:20,425 INFO L93 Difference]: Finished difference Result 3087 states and 5548 transitions. [2020-12-23 08:51:20,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:20,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-23 08:51:20,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:20,437 INFO L225 Difference]: With dead ends: 3087 [2020-12-23 08:51:20,438 INFO L226 Difference]: Without dead ends: 2037 [2020-12-23 08:51:20,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:20,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2037 states. [2020-12-23 08:51:20,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2037 to 1867. [2020-12-23 08:51:20,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1867 states. [2020-12-23 08:51:20,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1867 states and 3363 transitions. [2020-12-23 08:51:20,565 INFO L78 Accepts]: Start accepts. Automaton has 1867 states and 3363 transitions. Word has length 69 [2020-12-23 08:51:20,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:20,566 INFO L481 AbstractCegarLoop]: Abstraction has 1867 states and 3363 transitions. [2020-12-23 08:51:20,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:20,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 3363 transitions. [2020-12-23 08:51:20,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 08:51:20,570 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:20,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:20,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:51:20,571 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:20,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:20,571 INFO L82 PathProgramCache]: Analyzing trace with hash -745059344, now seen corresponding path program 1 times [2020-12-23 08:51:20,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:20,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424683525] [2020-12-23 08:51:20,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:20,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424683525] [2020-12-23 08:51:20,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:20,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:20,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224113479] [2020-12-23 08:51:20,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:20,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:20,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:20,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:20,662 INFO L87 Difference]: Start difference. First operand 1867 states and 3363 transitions. Second operand 3 states. [2020-12-23 08:51:20,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:20,918 INFO L93 Difference]: Finished difference Result 4971 states and 8982 transitions. [2020-12-23 08:51:20,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:20,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-23 08:51:20,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:20,937 INFO L225 Difference]: With dead ends: 4971 [2020-12-23 08:51:20,938 INFO L226 Difference]: Without dead ends: 3239 [2020-12-23 08:51:20,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:20,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3239 states. [2020-12-23 08:51:21,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3239 to 3069. [2020-12-23 08:51:21,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3069 states. [2020-12-23 08:51:21,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 3069 states and 5548 transitions. [2020-12-23 08:51:21,157 INFO L78 Accepts]: Start accepts. Automaton has 3069 states and 5548 transitions. Word has length 70 [2020-12-23 08:51:21,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:21,158 INFO L481 AbstractCegarLoop]: Abstraction has 3069 states and 5548 transitions. [2020-12-23 08:51:21,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:21,158 INFO L276 IsEmpty]: Start isEmpty. Operand 3069 states and 5548 transitions. [2020-12-23 08:51:21,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 08:51:21,163 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:21,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:21,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:51:21,163 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:21,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:21,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1574191137, now seen corresponding path program 1 times [2020-12-23 08:51:21,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:21,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532290090] [2020-12-23 08:51:21,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:21,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:21,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532290090] [2020-12-23 08:51:21,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:21,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:21,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538634907] [2020-12-23 08:51:21,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:21,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:21,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:21,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:21,244 INFO L87 Difference]: Start difference. First operand 3069 states and 5548 transitions. Second operand 3 states. [2020-12-23 08:51:21,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:21,574 INFO L93 Difference]: Finished difference Result 8293 states and 15020 transitions. [2020-12-23 08:51:21,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:21,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2020-12-23 08:51:21,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:21,608 INFO L225 Difference]: With dead ends: 8293 [2020-12-23 08:51:21,608 INFO L226 Difference]: Without dead ends: 5393 [2020-12-23 08:51:21,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:21,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5393 states. [2020-12-23 08:51:21,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5393 to 5223. [2020-12-23 08:51:21,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5223 states. [2020-12-23 08:51:22,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5223 states to 5223 states and 9453 transitions. [2020-12-23 08:51:22,013 INFO L78 Accepts]: Start accepts. Automaton has 5223 states and 9453 transitions. Word has length 71 [2020-12-23 08:51:22,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:22,014 INFO L481 AbstractCegarLoop]: Abstraction has 5223 states and 9453 transitions. [2020-12-23 08:51:22,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:22,014 INFO L276 IsEmpty]: Start isEmpty. Operand 5223 states and 9453 transitions. [2020-12-23 08:51:22,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 08:51:22,020 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:22,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:22,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:51:22,020 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:22,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:22,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1919847553, now seen corresponding path program 1 times [2020-12-23 08:51:22,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:22,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310435214] [2020-12-23 08:51:22,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:22,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:22,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310435214] [2020-12-23 08:51:22,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:22,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:22,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610940921] [2020-12-23 08:51:22,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:22,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:22,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:22,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:22,087 INFO L87 Difference]: Start difference. First operand 5223 states and 9453 transitions. Second operand 3 states. [2020-12-23 08:51:22,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:22,689 INFO L93 Difference]: Finished difference Result 15213 states and 27577 transitions. [2020-12-23 08:51:22,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:22,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-23 08:51:22,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:22,758 INFO L225 Difference]: With dead ends: 15213 [2020-12-23 08:51:22,758 INFO L226 Difference]: Without dead ends: 10163 [2020-12-23 08:51:22,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:22,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10163 states. [2020-12-23 08:51:23,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10163 to 9993. [2020-12-23 08:51:23,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9993 states. [2020-12-23 08:51:23,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9993 states to 9993 states and 18094 transitions. [2020-12-23 08:51:23,509 INFO L78 Accepts]: Start accepts. Automaton has 9993 states and 18094 transitions. Word has length 72 [2020-12-23 08:51:23,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:23,509 INFO L481 AbstractCegarLoop]: Abstraction has 9993 states and 18094 transitions. [2020-12-23 08:51:23,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:23,510 INFO L276 IsEmpty]: Start isEmpty. Operand 9993 states and 18094 transitions. [2020-12-23 08:51:23,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 08:51:23,518 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:23,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:23,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:51:23,519 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:23,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:23,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1449427056, now seen corresponding path program 1 times [2020-12-23 08:51:23,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:23,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712698822] [2020-12-23 08:51:23,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:23,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:23,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712698822] [2020-12-23 08:51:23,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:23,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:23,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463194274] [2020-12-23 08:51:23,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:23,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:23,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:23,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:23,591 INFO L87 Difference]: Start difference. First operand 9993 states and 18094 transitions. Second operand 3 states. [2020-12-23 08:51:24,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:24,795 INFO L93 Difference]: Finished difference Result 29225 states and 52975 transitions. [2020-12-23 08:51:24,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:24,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-12-23 08:51:24,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:24,870 INFO L225 Difference]: With dead ends: 29225 [2020-12-23 08:51:24,871 INFO L226 Difference]: Without dead ends: 19413 [2020-12-23 08:51:24,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:24,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19413 states. [2020-12-23 08:51:26,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19413 to 19243. [2020-12-23 08:51:26,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19243 states. [2020-12-23 08:51:26,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19243 states to 19243 states and 34831 transitions. [2020-12-23 08:51:26,229 INFO L78 Accepts]: Start accepts. Automaton has 19243 states and 34831 transitions. Word has length 73 [2020-12-23 08:51:26,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:26,229 INFO L481 AbstractCegarLoop]: Abstraction has 19243 states and 34831 transitions. [2020-12-23 08:51:26,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:26,230 INFO L276 IsEmpty]: Start isEmpty. Operand 19243 states and 34831 transitions. [2020-12-23 08:51:26,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 08:51:26,241 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:26,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:26,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:51:26,242 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:26,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:26,242 INFO L82 PathProgramCache]: Analyzing trace with hash 311731011, now seen corresponding path program 1 times [2020-12-23 08:51:26,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:26,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397004640] [2020-12-23 08:51:26,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:26,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:26,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397004640] [2020-12-23 08:51:26,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:26,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:26,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718376981] [2020-12-23 08:51:26,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:26,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:26,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:26,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:26,320 INFO L87 Difference]: Start difference. First operand 19243 states and 34831 transitions. Second operand 3 states. [2020-12-23 08:51:28,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:28,362 INFO L93 Difference]: Finished difference Result 57161 states and 103500 transitions. [2020-12-23 08:51:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:28,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 08:51:28,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:28,464 INFO L225 Difference]: With dead ends: 57161 [2020-12-23 08:51:28,465 INFO L226 Difference]: Without dead ends: 38103 [2020-12-23 08:51:28,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:28,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38103 states. [2020-12-23 08:51:30,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38103 to 37933. [2020-12-23 08:51:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37933 states. [2020-12-23 08:51:30,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37933 states to 37933 states and 68560 transitions. [2020-12-23 08:51:30,864 INFO L78 Accepts]: Start accepts. Automaton has 37933 states and 68560 transitions. Word has length 74 [2020-12-23 08:51:30,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:30,865 INFO L481 AbstractCegarLoop]: Abstraction has 37933 states and 68560 transitions. [2020-12-23 08:51:30,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:30,865 INFO L276 IsEmpty]: Start isEmpty. Operand 37933 states and 68560 transitions. [2020-12-23 08:51:30,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:51:30,878 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:30,878 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:30,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:51:30,879 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:30,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:30,879 INFO L82 PathProgramCache]: Analyzing trace with hash -2121742825, now seen corresponding path program 1 times [2020-12-23 08:51:30,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:30,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722214997] [2020-12-23 08:51:30,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:30,956 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:51:30,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722214997] [2020-12-23 08:51:30,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:30,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:30,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345143767] [2020-12-23 08:51:30,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:30,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:30,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:30,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:30,958 INFO L87 Difference]: Start difference. First operand 37933 states and 68560 transitions. Second operand 5 states. [2020-12-23 08:51:34,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:34,040 INFO L93 Difference]: Finished difference Result 111502 states and 201493 transitions. [2020-12-23 08:51:34,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:51:34,041 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2020-12-23 08:51:34,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:34,204 INFO L225 Difference]: With dead ends: 111502 [2020-12-23 08:51:34,204 INFO L226 Difference]: Without dead ends: 73822 [2020-12-23 08:51:34,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:51:34,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73822 states. [2020-12-23 08:51:36,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73822 to 37933. [2020-12-23 08:51:36,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37933 states. [2020-12-23 08:51:36,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37933 states to 37933 states and 68302 transitions. [2020-12-23 08:51:36,301 INFO L78 Accepts]: Start accepts. Automaton has 37933 states and 68302 transitions. Word has length 75 [2020-12-23 08:51:36,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:36,302 INFO L481 AbstractCegarLoop]: Abstraction has 37933 states and 68302 transitions. [2020-12-23 08:51:36,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:36,302 INFO L276 IsEmpty]: Start isEmpty. Operand 37933 states and 68302 transitions. [2020-12-23 08:51:36,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:51:36,314 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:36,314 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:36,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:51:36,314 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:36,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:36,315 INFO L82 PathProgramCache]: Analyzing trace with hash -2077353035, now seen corresponding path program 2 times [2020-12-23 08:51:36,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:36,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991446898] [2020-12-23 08:51:36,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:36,371 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:36,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991446898] [2020-12-23 08:51:36,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:36,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:36,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361725801] [2020-12-23 08:51:36,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:36,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:36,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:36,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:36,373 INFO L87 Difference]: Start difference. First operand 37933 states and 68302 transitions. Second operand 3 states. [2020-12-23 08:51:37,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:37,809 INFO L93 Difference]: Finished difference Result 75777 states and 136454 transitions. [2020-12-23 08:51:37,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:37,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-23 08:51:37,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:37,879 INFO L225 Difference]: With dead ends: 75777 [2020-12-23 08:51:37,879 INFO L226 Difference]: Without dead ends: 38103 [2020-12-23 08:51:37,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:37,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38103 states. [2020-12-23 08:51:39,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38103 to 37933. [2020-12-23 08:51:39,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37933 states. [2020-12-23 08:51:39,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37933 states to 37933 states and 68174 transitions. [2020-12-23 08:51:39,768 INFO L78 Accepts]: Start accepts. Automaton has 37933 states and 68174 transitions. Word has length 75 [2020-12-23 08:51:39,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:39,769 INFO L481 AbstractCegarLoop]: Abstraction has 37933 states and 68174 transitions. [2020-12-23 08:51:39,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:39,769 INFO L276 IsEmpty]: Start isEmpty. Operand 37933 states and 68174 transitions. [2020-12-23 08:51:39,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:51:39,778 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:39,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:39,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:51:39,779 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:39,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:39,780 INFO L82 PathProgramCache]: Analyzing trace with hash 986453986, now seen corresponding path program 1 times [2020-12-23 08:51:39,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:39,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645867449] [2020-12-23 08:51:39,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:39,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:39,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645867449] [2020-12-23 08:51:39,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:39,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:39,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998496198] [2020-12-23 08:51:39,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:39,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:39,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:39,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:39,842 INFO L87 Difference]: Start difference. First operand 37933 states and 68174 transitions. Second operand 3 states. [2020-12-23 08:51:42,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:42,288 INFO L93 Difference]: Finished difference Result 105387 states and 189136 transitions. [2020-12-23 08:51:42,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:42,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-23 08:51:42,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:42,457 INFO L225 Difference]: With dead ends: 105387 [2020-12-23 08:51:42,458 INFO L226 Difference]: Without dead ends: 67673 [2020-12-23 08:51:42,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:42,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67673 states. [2020-12-23 08:51:45,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67673 to 67503. [2020-12-23 08:51:45,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67503 states. [2020-12-23 08:51:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67503 states to 67503 states and 120783 transitions. [2020-12-23 08:51:45,469 INFO L78 Accepts]: Start accepts. Automaton has 67503 states and 120783 transitions. Word has length 75 [2020-12-23 08:51:45,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:45,469 INFO L481 AbstractCegarLoop]: Abstraction has 67503 states and 120783 transitions. [2020-12-23 08:51:45,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:45,469 INFO L276 IsEmpty]: Start isEmpty. Operand 67503 states and 120783 transitions. [2020-12-23 08:51:45,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 08:51:45,479 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:45,480 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] [2020-12-23 08:51:45,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:51:45,480 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:45,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:45,480 INFO L82 PathProgramCache]: Analyzing trace with hash 195570043, now seen corresponding path program 1 times [2020-12-23 08:51:45,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:45,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002415608] [2020-12-23 08:51:45,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:45,555 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:45,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002415608] [2020-12-23 08:51:45,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:45,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:51:45,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285473239] [2020-12-23 08:51:45,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:51:45,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:45,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:51:45,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:51:45,557 INFO L87 Difference]: Start difference. First operand 67503 states and 120783 transitions. Second operand 4 states. [2020-12-23 08:51:48,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:48,163 INFO L93 Difference]: Finished difference Result 67614 states and 120966 transitions. [2020-12-23 08:51:48,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:51:48,164 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 76 [2020-12-23 08:51:48,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:48,290 INFO L225 Difference]: With dead ends: 67614 [2020-12-23 08:51:48,291 INFO L226 Difference]: Without dead ends: 67503 [2020-12-23 08:51:48,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:48,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67503 states. [2020-12-23 08:51:51,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67503 to 67503. [2020-12-23 08:51:51,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67503 states. [2020-12-23 08:51:51,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67503 states to 67503 states and 120781 transitions. [2020-12-23 08:51:51,628 INFO L78 Accepts]: Start accepts. Automaton has 67503 states and 120781 transitions. Word has length 76 [2020-12-23 08:51:51,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:51,628 INFO L481 AbstractCegarLoop]: Abstraction has 67503 states and 120781 transitions. [2020-12-23 08:51:51,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:51:51,628 INFO L276 IsEmpty]: Start isEmpty. Operand 67503 states and 120781 transitions. [2020-12-23 08:51:51,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 08:51:51,653 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:51,653 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:51,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:51:51,653 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:51,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:51,656 INFO L82 PathProgramCache]: Analyzing trace with hash -501505064, now seen corresponding path program 1 times [2020-12-23 08:51:51,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:51,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976446082] [2020-12-23 08:51:51,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:51,778 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:51,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976446082] [2020-12-23 08:51:51,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:51,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:51:51,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620783868] [2020-12-23 08:51:51,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:51,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:51,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:51,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:51,781 INFO L87 Difference]: Start difference. First operand 67503 states and 120781 transitions. Second operand 5 states. [2020-12-23 08:51:54,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:54,413 INFO L93 Difference]: Finished difference Result 68008 states and 121607 transitions. [2020-12-23 08:51:54,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:51:54,414 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2020-12-23 08:51:54,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:54,511 INFO L225 Difference]: With dead ends: 68008 [2020-12-23 08:51:54,511 INFO L226 Difference]: Without dead ends: 67898 [2020-12-23 08:51:54,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:51:54,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67898 states. [2020-12-23 08:51:57,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67898 to 67597. [2020-12-23 08:51:57,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67597 states. [2020-12-23 08:51:57,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67597 states to 67597 states and 120934 transitions. [2020-12-23 08:51:57,361 INFO L78 Accepts]: Start accepts. Automaton has 67597 states and 120934 transitions. Word has length 79 [2020-12-23 08:51:57,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:57,362 INFO L481 AbstractCegarLoop]: Abstraction has 67597 states and 120934 transitions. [2020-12-23 08:51:57,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:57,362 INFO L276 IsEmpty]: Start isEmpty. Operand 67597 states and 120934 transitions. [2020-12-23 08:51:57,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 08:51:57,376 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:57,376 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:57,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:51:57,376 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:57,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:57,377 INFO L82 PathProgramCache]: Analyzing trace with hash -468183532, now seen corresponding path program 1 times [2020-12-23 08:51:57,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:57,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941399835] [2020-12-23 08:51:57,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:57,506 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:57,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941399835] [2020-12-23 08:51:57,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:57,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:51:57,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328401684] [2020-12-23 08:51:57,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:51:57,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:57,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:51:57,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:51:57,509 INFO L87 Difference]: Start difference. First operand 67597 states and 120934 transitions. Second operand 9 states. [2020-12-23 08:52:00,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:00,105 INFO L93 Difference]: Finished difference Result 67796 states and 121256 transitions. [2020-12-23 08:52:00,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 08:52:00,106 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2020-12-23 08:52:00,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:00,209 INFO L225 Difference]: With dead ends: 67796 [2020-12-23 08:52:00,209 INFO L226 Difference]: Without dead ends: 67595 [2020-12-23 08:52:00,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2020-12-23 08:52:00,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67595 states. [2020-12-23 08:52:02,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67595 to 67577. [2020-12-23 08:52:02,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67577 states. [2020-12-23 08:52:03,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67577 states to 67577 states and 120897 transitions. [2020-12-23 08:52:03,005 INFO L78 Accepts]: Start accepts. Automaton has 67577 states and 120897 transitions. Word has length 80 [2020-12-23 08:52:03,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:03,005 INFO L481 AbstractCegarLoop]: Abstraction has 67577 states and 120897 transitions. [2020-12-23 08:52:03,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:52:03,005 INFO L276 IsEmpty]: Start isEmpty. Operand 67577 states and 120897 transitions. [2020-12-23 08:52:03,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 08:52:03,028 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:03,028 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:03,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:52:03,028 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:03,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:03,029 INFO L82 PathProgramCache]: Analyzing trace with hash 574688923, now seen corresponding path program 1 times [2020-12-23 08:52:03,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:03,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512388527] [2020-12-23 08:52:03,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:03,117 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:52:03,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512388527] [2020-12-23 08:52:03,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:03,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:52:03,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555050999] [2020-12-23 08:52:03,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:03,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:03,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:03,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:03,119 INFO L87 Difference]: Start difference. First operand 67577 states and 120897 transitions. Second operand 5 states. [2020-12-23 08:52:05,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:05,596 INFO L93 Difference]: Finished difference Result 68295 states and 122033 transitions. [2020-12-23 08:52:05,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:52:05,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-12-23 08:52:05,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:05,701 INFO L225 Difference]: With dead ends: 68295 [2020-12-23 08:52:05,701 INFO L226 Difference]: Without dead ends: 68086 [2020-12-23 08:52:05,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:52:05,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68086 states. [2020-12-23 08:52:08,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68086 to 67735. [2020-12-23 08:52:08,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67735 states. [2020-12-23 08:52:08,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67735 states to 67735 states and 121147 transitions. [2020-12-23 08:52:08,710 INFO L78 Accepts]: Start accepts. Automaton has 67735 states and 121147 transitions. Word has length 92 [2020-12-23 08:52:08,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:08,710 INFO L481 AbstractCegarLoop]: Abstraction has 67735 states and 121147 transitions. [2020-12-23 08:52:08,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 67735 states and 121147 transitions. [2020-12-23 08:52:08,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 08:52:08,728 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:08,729 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:08,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:52:08,729 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:08,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:08,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1540999444, now seen corresponding path program 1 times [2020-12-23 08:52:08,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:08,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653357780] [2020-12-23 08:52:08,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:08,853 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:52:08,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653357780] [2020-12-23 08:52:08,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:08,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:52:08,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796554051] [2020-12-23 08:52:08,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:52:08,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:08,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:52:08,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:52:08,855 INFO L87 Difference]: Start difference. First operand 67735 states and 121147 transitions. Second operand 9 states. [2020-12-23 08:52:11,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:11,615 INFO L93 Difference]: Finished difference Result 68075 states and 121695 transitions. [2020-12-23 08:52:11,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 08:52:11,615 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-12-23 08:52:11,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:11,716 INFO L225 Difference]: With dead ends: 68075 [2020-12-23 08:52:11,716 INFO L226 Difference]: Without dead ends: 67722 [2020-12-23 08:52:11,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2020-12-23 08:52:11,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67722 states. [2020-12-23 08:52:14,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67722 to 67645. [2020-12-23 08:52:14,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67645 states. [2020-12-23 08:52:14,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67645 states to 67645 states and 120996 transitions. [2020-12-23 08:52:14,516 INFO L78 Accepts]: Start accepts. Automaton has 67645 states and 120996 transitions. Word has length 93 [2020-12-23 08:52:14,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:14,516 INFO L481 AbstractCegarLoop]: Abstraction has 67645 states and 120996 transitions. [2020-12-23 08:52:14,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:52:14,516 INFO L276 IsEmpty]: Start isEmpty. Operand 67645 states and 120996 transitions. [2020-12-23 08:52:14,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 08:52:14,534 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:14,535 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:14,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:52:14,535 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:14,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:14,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1731277564, now seen corresponding path program 1 times [2020-12-23 08:52:14,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:14,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699117636] [2020-12-23 08:52:14,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:14,677 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:52:14,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699117636] [2020-12-23 08:52:14,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:14,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:52:14,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324418832] [2020-12-23 08:52:14,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:52:14,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:14,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:52:14,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:52:14,680 INFO L87 Difference]: Start difference. First operand 67645 states and 120996 transitions. Second operand 10 states. [2020-12-23 08:52:15,333 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-23 08:52:18,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:18,473 INFO L93 Difference]: Finished difference Result 69508 states and 123872 transitions. [2020-12-23 08:52:18,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-23 08:52:18,476 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2020-12-23 08:52:18,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:18,624 INFO L225 Difference]: With dead ends: 69508 [2020-12-23 08:52:18,624 INFO L226 Difference]: Without dead ends: 69306 [2020-12-23 08:52:18,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=337, Invalid=923, Unknown=0, NotChecked=0, Total=1260 [2020-12-23 08:52:18,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69306 states. [2020-12-23 08:52:21,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69306 to 67759. [2020-12-23 08:52:21,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67759 states. [2020-12-23 08:52:21,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67759 states to 67759 states and 121166 transitions. [2020-12-23 08:52:21,528 INFO L78 Accepts]: Start accepts. Automaton has 67759 states and 121166 transitions. Word has length 95 [2020-12-23 08:52:21,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:21,528 INFO L481 AbstractCegarLoop]: Abstraction has 67759 states and 121166 transitions. [2020-12-23 08:52:21,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:52:21,536 INFO L276 IsEmpty]: Start isEmpty. Operand 67759 states and 121166 transitions. [2020-12-23 08:52:21,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 08:52:21,558 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:21,558 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:21,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:52:21,558 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:21,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:21,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1289915488, now seen corresponding path program 1 times [2020-12-23 08:52:21,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:21,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108621845] [2020-12-23 08:52:21,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:52:21,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108621845] [2020-12-23 08:52:21,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:21,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:52:21,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109501953] [2020-12-23 08:52:21,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:52:21,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:21,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:52:21,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:52:21,672 INFO L87 Difference]: Start difference. First operand 67759 states and 121166 transitions. Second operand 9 states. [2020-12-23 08:52:25,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:25,105 INFO L93 Difference]: Finished difference Result 70261 states and 125006 transitions. [2020-12-23 08:52:25,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-12-23 08:52:25,105 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2020-12-23 08:52:25,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:25,198 INFO L225 Difference]: With dead ends: 70261 [2020-12-23 08:52:25,198 INFO L226 Difference]: Without dead ends: 69984 [2020-12-23 08:52:25,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=306, Invalid=750, Unknown=0, NotChecked=0, Total=1056 [2020-12-23 08:52:25,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69984 states. [2020-12-23 08:52:27,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69984 to 68020. [2020-12-23 08:52:27,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68020 states. [2020-12-23 08:52:28,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68020 states to 68020 states and 121567 transitions. [2020-12-23 08:52:28,086 INFO L78 Accepts]: Start accepts. Automaton has 68020 states and 121567 transitions. Word has length 96 [2020-12-23 08:52:28,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:28,087 INFO L481 AbstractCegarLoop]: Abstraction has 68020 states and 121567 transitions. [2020-12-23 08:52:28,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:52:28,087 INFO L276 IsEmpty]: Start isEmpty. Operand 68020 states and 121567 transitions. [2020-12-23 08:52:28,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 08:52:28,109 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:28,109 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:28,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:52:28,110 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:28,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:28,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1690687660, now seen corresponding path program 1 times [2020-12-23 08:52:28,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:28,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506130431] [2020-12-23 08:52:28,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:28,274 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:28,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506130431] [2020-12-23 08:52:28,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523577857] [2020-12-23 08:52:28,275 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 08:52:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:28,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 08:52:28,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:52:28,827 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:28,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:52:28,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 15 [2020-12-23 08:52:28,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983124373] [2020-12-23 08:52:28,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-23 08:52:28,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:28,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-23 08:52:28,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-12-23 08:52:28,829 INFO L87 Difference]: Start difference. First operand 68020 states and 121567 transitions. Second operand 15 states. [2020-12-23 08:52:46,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:46,144 INFO L93 Difference]: Finished difference Result 236073 states and 414834 transitions. [2020-12-23 08:52:46,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2020-12-23 08:52:46,144 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 96 [2020-12-23 08:52:46,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:46,607 INFO L225 Difference]: With dead ends: 236073 [2020-12-23 08:52:46,607 INFO L226 Difference]: Without dead ends: 235386 [2020-12-23 08:52:46,672 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7047 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2701, Invalid=15121, Unknown=0, NotChecked=0, Total=17822 [2020-12-23 08:52:46,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235386 states. [2020-12-23 08:52:54,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235386 to 140568. [2020-12-23 08:52:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140568 states. [2020-12-23 08:52:54,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140568 states to 140568 states and 250950 transitions. [2020-12-23 08:52:54,337 INFO L78 Accepts]: Start accepts. Automaton has 140568 states and 250950 transitions. Word has length 96 [2020-12-23 08:52:54,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:54,337 INFO L481 AbstractCegarLoop]: Abstraction has 140568 states and 250950 transitions. [2020-12-23 08:52:54,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-23 08:52:54,337 INFO L276 IsEmpty]: Start isEmpty. Operand 140568 states and 250950 transitions. [2020-12-23 08:52:54,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 08:52:54,378 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:54,378 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:54,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-12-23 08:52:54,595 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:54,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:54,596 INFO L82 PathProgramCache]: Analyzing trace with hash 690301454, now seen corresponding path program 1 times [2020-12-23 08:52:54,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:54,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354182384] [2020-12-23 08:52:54,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:54,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:54,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354182384] [2020-12-23 08:52:54,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:54,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:54,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728520017] [2020-12-23 08:52:54,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:54,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:54,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:54,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:54,994 INFO L87 Difference]: Start difference. First operand 140568 states and 250950 transitions. Second operand 3 states.