/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_spec7_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:07:53,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:07:53,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:07:54,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:07:54,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:07:54,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:07:54,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:07:54,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:07:54,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:07:54,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:07:54,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:07:54,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:07:54,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:07:54,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:07:54,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:07:54,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:07:54,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:07:54,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:07:54,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:07:54,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:07:54,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:07:54,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:07:54,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:07:54,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:07:54,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:07:54,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:07:54,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:07:54,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:07:54,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:07:54,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:07:54,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:07:54,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:07:54,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:07:54,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:07:54,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:07:54,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:07:54,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:07:54,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:07:54,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:07:54,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:07:54,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:07:54,155 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:07:54,180 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:07:54,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:07:54,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:07:54,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:07:54,183 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:07:54,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:07:54,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:07:54,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:07:54,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:07:54,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:07:54,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:07:54,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:07:54,184 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:07:54,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:07:54,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:07:54,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:07:54,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:07:54,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:07:54,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:07:54,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:07:54,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:07:54,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:07:54,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:07:54,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:07:54,187 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:07:54,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:07:54,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:07:54,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:07:54,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:07:54,674 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:07:54,674 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:07:54,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product33.cil.c [2020-12-23 09:07:54,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c253557f5/998d493239c7455fa3d5decd95448457/FLAG21bdb5672 [2020-12-23 09:07:55,567 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:07:55,568 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product33.cil.c [2020-12-23 09:07:55,606 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c253557f5/998d493239c7455fa3d5decd95448457/FLAG21bdb5672 [2020-12-23 09:07:55,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c253557f5/998d493239c7455fa3d5decd95448457 [2020-12-23 09:07:55,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:07:55,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:07:55,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:07:55,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:07:55,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:07:55,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:07:55" (1/1) ... [2020-12-23 09:07:55,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd106ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:07:55, skipping insertion in model container [2020-12-23 09:07:55,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:07:55" (1/1) ... [2020-12-23 09:07:55,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:07:55,888 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] [2020-12-23 09:07:56,403 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_spec7_product33.cil.c[20528,20541] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~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_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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~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[~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_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~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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~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_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~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_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~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_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~13,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] 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[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~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_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~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_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 09:07:56,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:07:56,649 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] [2020-12-23 09:07:56,785 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_spec7_product33.cil.c[20528,20541] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~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_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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~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[~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_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~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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~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_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~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_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~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_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~13,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] 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[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~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_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~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_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 09:07:56,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:07:56,965 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:07:56,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:07:56 WrapperNode [2020-12-23 09:07:56,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:07:56,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:07:56,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:07:56,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:07:56,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:07:56" (1/1) ... [2020-12-23 09:07:57,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:07:56" (1/1) ... [2020-12-23 09:07:57,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:07:57,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:07:57,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:07:57,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:07:57,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:07:56" (1/1) ... [2020-12-23 09:07:57,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:07:56" (1/1) ... [2020-12-23 09:07:57,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:07:56" (1/1) ... [2020-12-23 09:07:57,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:07:56" (1/1) ... [2020-12-23 09:07:57,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:07:56" (1/1) ... [2020-12-23 09:07:57,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:07:56" (1/1) ... [2020-12-23 09:07:57,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:07:56" (1/1) ... [2020-12-23 09:07:57,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:07:57,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:07:57,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:07:57,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:07:57,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:07:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:07:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 09:07:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:07:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:07:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:07:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:08:00,795 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:08:00,796 INFO L299 CfgBuilder]: Removed 407 assume(true) statements. [2020-12-23 09:08:00,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:08:00 BoogieIcfgContainer [2020-12-23 09:08:00,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:08:00,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:08:00,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:08:00,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:08:00,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:07:55" (1/3) ... [2020-12-23 09:08:00,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0c60d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:08:00, skipping insertion in model container [2020-12-23 09:08:00,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:07:56" (2/3) ... [2020-12-23 09:08:00,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0c60d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:08:00, skipping insertion in model container [2020-12-23 09:08:00,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:08:00" (3/3) ... [2020-12-23 09:08:00,814 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec7_product33.cil.c [2020-12-23 09:08:00,821 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:08:00,828 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 09:08:00,849 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 09:08:00,902 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:08:00,903 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:08:00,903 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:08:00,903 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:08:00,903 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:08:00,903 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:08:00,903 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:08:00,904 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:08:00,941 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states. [2020-12-23 09:08:00,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 09:08:00,967 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:00,968 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:08:00,968 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:00,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:00,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1254893997, now seen corresponding path program 1 times [2020-12-23 09:08:00,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:00,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619972625] [2020-12-23 09:08:00,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:01,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:01,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619972625] [2020-12-23 09:08:01,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:01,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:01,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504332685] [2020-12-23 09:08:01,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:01,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:01,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:01,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:01,436 INFO L87 Difference]: Start difference. First operand 591 states. Second operand 3 states. [2020-12-23 09:08:01,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:01,596 INFO L93 Difference]: Finished difference Result 1738 states and 2993 transitions. [2020-12-23 09:08:01,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:01,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-23 09:08:01,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:01,650 INFO L225 Difference]: With dead ends: 1738 [2020-12-23 09:08:01,651 INFO L226 Difference]: Without dead ends: 970 [2020-12-23 09:08:01,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:01,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2020-12-23 09:08:01,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 494. [2020-12-23 09:08:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-12-23 09:08:01,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 852 transitions. [2020-12-23 09:08:01,757 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 852 transitions. Word has length 52 [2020-12-23 09:08:01,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:01,758 INFO L481 AbstractCegarLoop]: Abstraction has 494 states and 852 transitions. [2020-12-23 09:08:01,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:01,758 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 852 transitions. [2020-12-23 09:08:01,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 09:08:01,761 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:01,761 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 09:08:01,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:08:01,762 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:01,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:01,763 INFO L82 PathProgramCache]: Analyzing trace with hash 296230912, now seen corresponding path program 1 times [2020-12-23 09:08:01,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:01,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899586631] [2020-12-23 09:08:01,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:01,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:01,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899586631] [2020-12-23 09:08:01,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:01,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:08:01,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336032677] [2020-12-23 09:08:01,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:08:01,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:01,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:08:01,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:08:01,952 INFO L87 Difference]: Start difference. First operand 494 states and 852 transitions. Second operand 5 states. [2020-12-23 09:08:02,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:02,179 INFO L93 Difference]: Finished difference Result 1431 states and 2472 transitions. [2020-12-23 09:08:02,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:08:02,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-23 09:08:02,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:02,188 INFO L225 Difference]: With dead ends: 1431 [2020-12-23 09:08:02,189 INFO L226 Difference]: Without dead ends: 956 [2020-12-23 09:08:02,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:08:02,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2020-12-23 09:08:02,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 494. [2020-12-23 09:08:02,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-12-23 09:08:02,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 851 transitions. [2020-12-23 09:08:02,258 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 851 transitions. Word has length 54 [2020-12-23 09:08:02,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:02,261 INFO L481 AbstractCegarLoop]: Abstraction has 494 states and 851 transitions. [2020-12-23 09:08:02,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:08:02,261 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 851 transitions. [2020-12-23 09:08:02,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 09:08:02,263 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:02,263 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 09:08:02,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:08:02,264 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:02,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:02,266 INFO L82 PathProgramCache]: Analyzing trace with hash 754868109, now seen corresponding path program 1 times [2020-12-23 09:08:02,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:02,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817735199] [2020-12-23 09:08:02,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:02,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:02,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817735199] [2020-12-23 09:08:02,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:02,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:02,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405830482] [2020-12-23 09:08:02,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:02,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:02,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:02,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:02,438 INFO L87 Difference]: Start difference. First operand 494 states and 851 transitions. Second operand 3 states. [2020-12-23 09:08:02,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:02,482 INFO L93 Difference]: Finished difference Result 970 states and 1676 transitions. [2020-12-23 09:08:02,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:02,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-23 09:08:02,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:02,486 INFO L225 Difference]: With dead ends: 970 [2020-12-23 09:08:02,486 INFO L226 Difference]: Without dead ends: 499 [2020-12-23 09:08:02,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:02,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-12-23 09:08:02,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 494. [2020-12-23 09:08:02,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-12-23 09:08:02,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 850 transitions. [2020-12-23 09:08:02,510 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 850 transitions. Word has length 55 [2020-12-23 09:08:02,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:02,510 INFO L481 AbstractCegarLoop]: Abstraction has 494 states and 850 transitions. [2020-12-23 09:08:02,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:02,511 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 850 transitions. [2020-12-23 09:08:02,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 09:08:02,512 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:02,512 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] [2020-12-23 09:08:02,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:08:02,513 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:02,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:02,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1979516883, now seen corresponding path program 1 times [2020-12-23 09:08:02,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:02,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696440417] [2020-12-23 09:08:02,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:02,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:02,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696440417] [2020-12-23 09:08:02,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:02,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:02,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701049158] [2020-12-23 09:08:02,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:02,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:02,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:02,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:02,591 INFO L87 Difference]: Start difference. First operand 494 states and 850 transitions. Second operand 3 states. [2020-12-23 09:08:02,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:02,633 INFO L93 Difference]: Finished difference Result 980 states and 1689 transitions. [2020-12-23 09:08:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:02,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-12-23 09:08:02,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:02,637 INFO L225 Difference]: With dead ends: 980 [2020-12-23 09:08:02,637 INFO L226 Difference]: Without dead ends: 494 [2020-12-23 09:08:02,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:02,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-12-23 09:08:02,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2020-12-23 09:08:02,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-12-23 09:08:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 848 transitions. [2020-12-23 09:08:02,661 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 848 transitions. Word has length 56 [2020-12-23 09:08:02,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:02,662 INFO L481 AbstractCegarLoop]: Abstraction has 494 states and 848 transitions. [2020-12-23 09:08:02,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:02,662 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 848 transitions. [2020-12-23 09:08:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 09:08:02,663 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:02,664 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] [2020-12-23 09:08:02,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:08:02,664 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:02,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:02,665 INFO L82 PathProgramCache]: Analyzing trace with hash 6888616, now seen corresponding path program 1 times [2020-12-23 09:08:02,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:02,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558076812] [2020-12-23 09:08:02,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:02,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:02,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558076812] [2020-12-23 09:08:02,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:02,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:08:02,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344114920] [2020-12-23 09:08:02,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:08:02,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:02,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:08:02,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:08:02,798 INFO L87 Difference]: Start difference. First operand 494 states and 848 transitions. Second operand 5 states. [2020-12-23 09:08:02,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:02,979 INFO L93 Difference]: Finished difference Result 1421 states and 2452 transitions. [2020-12-23 09:08:02,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:08:02,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-12-23 09:08:02,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:02,986 INFO L225 Difference]: With dead ends: 1421 [2020-12-23 09:08:02,986 INFO L226 Difference]: Without dead ends: 954 [2020-12-23 09:08:02,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:08:02,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2020-12-23 09:08:03,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 494. [2020-12-23 09:08:03,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-12-23 09:08:03,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 847 transitions. [2020-12-23 09:08:03,027 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 847 transitions. Word has length 57 [2020-12-23 09:08:03,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:03,028 INFO L481 AbstractCegarLoop]: Abstraction has 494 states and 847 transitions. [2020-12-23 09:08:03,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:08:03,028 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 847 transitions. [2020-12-23 09:08:03,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 09:08:03,030 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:03,030 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] [2020-12-23 09:08:03,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:08:03,030 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:03,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:03,031 INFO L82 PathProgramCache]: Analyzing trace with hash -2003512053, now seen corresponding path program 1 times [2020-12-23 09:08:03,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:03,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752241177] [2020-12-23 09:08:03,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:03,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752241177] [2020-12-23 09:08:03,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:03,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:08:03,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229805483] [2020-12-23 09:08:03,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:08:03,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:03,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:08:03,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:08:03,148 INFO L87 Difference]: Start difference. First operand 494 states and 847 transitions. Second operand 5 states. [2020-12-23 09:08:03,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:03,327 INFO L93 Difference]: Finished difference Result 1426 states and 2457 transitions. [2020-12-23 09:08:03,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:08:03,328 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-12-23 09:08:03,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:03,334 INFO L225 Difference]: With dead ends: 1426 [2020-12-23 09:08:03,334 INFO L226 Difference]: Without dead ends: 959 [2020-12-23 09:08:03,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:08:03,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2020-12-23 09:08:03,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 494. [2020-12-23 09:08:03,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-12-23 09:08:03,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 846 transitions. [2020-12-23 09:08:03,369 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 846 transitions. Word has length 58 [2020-12-23 09:08:03,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:03,370 INFO L481 AbstractCegarLoop]: Abstraction has 494 states and 846 transitions. [2020-12-23 09:08:03,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:08:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 846 transitions. [2020-12-23 09:08:03,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 09:08:03,371 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:03,371 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] [2020-12-23 09:08:03,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:08:03,372 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:03,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:03,377 INFO L82 PathProgramCache]: Analyzing trace with hash -327337949, now seen corresponding path program 1 times [2020-12-23 09:08:03,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:03,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663266438] [2020-12-23 09:08:03,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:03,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663266438] [2020-12-23 09:08:03,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:03,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:03,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036629102] [2020-12-23 09:08:03,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:03,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:03,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:03,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:03,494 INFO L87 Difference]: Start difference. First operand 494 states and 846 transitions. Second operand 3 states. [2020-12-23 09:08:03,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:03,536 INFO L93 Difference]: Finished difference Result 746 states and 1261 transitions. [2020-12-23 09:08:03,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:03,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-12-23 09:08:03,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:03,540 INFO L225 Difference]: With dead ends: 746 [2020-12-23 09:08:03,540 INFO L226 Difference]: Without dead ends: 497 [2020-12-23 09:08:03,542 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:03,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-12-23 09:08:03,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 496. [2020-12-23 09:08:03,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-12-23 09:08:03,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 848 transitions. [2020-12-23 09:08:03,603 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 848 transitions. Word has length 59 [2020-12-23 09:08:03,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:03,605 INFO L481 AbstractCegarLoop]: Abstraction has 496 states and 848 transitions. [2020-12-23 09:08:03,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:03,605 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 848 transitions. [2020-12-23 09:08:03,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 09:08:03,607 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:03,607 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:08:03,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:08:03,607 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:03,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:03,608 INFO L82 PathProgramCache]: Analyzing trace with hash 602530833, now seen corresponding path program 1 times [2020-12-23 09:08:03,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:03,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483816965] [2020-12-23 09:08:03,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:03,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483816965] [2020-12-23 09:08:03,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:03,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:03,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657177108] [2020-12-23 09:08:03,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:03,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:03,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:03,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:03,678 INFO L87 Difference]: Start difference. First operand 496 states and 848 transitions. Second operand 3 states. [2020-12-23 09:08:03,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:03,738 INFO L93 Difference]: Finished difference Result 1374 states and 2368 transitions. [2020-12-23 09:08:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:03,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-12-23 09:08:03,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:03,744 INFO L225 Difference]: With dead ends: 1374 [2020-12-23 09:08:03,744 INFO L226 Difference]: Without dead ends: 909 [2020-12-23 09:08:03,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:03,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-12-23 09:08:03,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 660. [2020-12-23 09:08:03,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2020-12-23 09:08:03,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1148 transitions. [2020-12-23 09:08:03,788 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1148 transitions. Word has length 67 [2020-12-23 09:08:03,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:03,788 INFO L481 AbstractCegarLoop]: Abstraction has 660 states and 1148 transitions. [2020-12-23 09:08:03,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:03,788 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1148 transitions. [2020-12-23 09:08:03,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 09:08:03,790 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:03,790 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:08:03,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:08:03,790 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:03,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:03,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1020331920, now seen corresponding path program 1 times [2020-12-23 09:08:03,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:03,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760569613] [2020-12-23 09:08:03,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:03,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:03,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760569613] [2020-12-23 09:08:03,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:03,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:08:03,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486649218] [2020-12-23 09:08:03,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:08:03,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:03,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:08:03,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:08:03,874 INFO L87 Difference]: Start difference. First operand 660 states and 1148 transitions. Second operand 5 states. [2020-12-23 09:08:04,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:04,119 INFO L93 Difference]: Finished difference Result 1910 states and 3350 transitions. [2020-12-23 09:08:04,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:08:04,120 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-12-23 09:08:04,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:04,128 INFO L225 Difference]: With dead ends: 1910 [2020-12-23 09:08:04,128 INFO L226 Difference]: Without dead ends: 1281 [2020-12-23 09:08:04,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:08:04,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2020-12-23 09:08:04,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 660. [2020-12-23 09:08:04,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2020-12-23 09:08:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1146 transitions. [2020-12-23 09:08:04,190 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1146 transitions. Word has length 68 [2020-12-23 09:08:04,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:04,190 INFO L481 AbstractCegarLoop]: Abstraction has 660 states and 1146 transitions. [2020-12-23 09:08:04,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:08:04,191 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1146 transitions. [2020-12-23 09:08:04,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 09:08:04,198 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:04,199 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:08:04,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:08:04,199 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:04,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:04,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1858694855, now seen corresponding path program 1 times [2020-12-23 09:08:04,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:04,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628580681] [2020-12-23 09:08:04,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:04,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:04,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628580681] [2020-12-23 09:08:04,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:04,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:04,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820224577] [2020-12-23 09:08:04,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:04,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:04,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:04,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:04,299 INFO L87 Difference]: Start difference. First operand 660 states and 1146 transitions. Second operand 3 states. [2020-12-23 09:08:04,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:04,392 INFO L93 Difference]: Finished difference Result 1908 states and 3342 transitions. [2020-12-23 09:08:04,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:04,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-23 09:08:04,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:04,401 INFO L225 Difference]: With dead ends: 1908 [2020-12-23 09:08:04,401 INFO L226 Difference]: Without dead ends: 1279 [2020-12-23 09:08:04,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:04,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-12-23 09:08:04,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1030. [2020-12-23 09:08:04,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1030 states. [2020-12-23 09:08:04,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1823 transitions. [2020-12-23 09:08:04,474 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1823 transitions. Word has length 69 [2020-12-23 09:08:04,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:04,475 INFO L481 AbstractCegarLoop]: Abstraction has 1030 states and 1823 transitions. [2020-12-23 09:08:04,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:04,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1823 transitions. [2020-12-23 09:08:04,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 09:08:04,477 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:04,477 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:08:04,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:08:04,478 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:04,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:04,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1299105125, now seen corresponding path program 1 times [2020-12-23 09:08:04,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:04,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101853606] [2020-12-23 09:08:04,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:04,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:04,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101853606] [2020-12-23 09:08:04,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625893253] [2020-12-23 09:08:04,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:08:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:04,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:08:04,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:08:05,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:05,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:08:05,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 09:08:05,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723451205] [2020-12-23 09:08:05,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:08:05,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:05,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:08:05,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:08:05,159 INFO L87 Difference]: Start difference. First operand 1030 states and 1823 transitions. Second operand 5 states. [2020-12-23 09:08:05,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:05,294 INFO L93 Difference]: Finished difference Result 1751 states and 3048 transitions. [2020-12-23 09:08:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:08:05,296 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-12-23 09:08:05,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:05,306 INFO L225 Difference]: With dead ends: 1751 [2020-12-23 09:08:05,306 INFO L226 Difference]: Without dead ends: 1502 [2020-12-23 09:08:05,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:08:05,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2020-12-23 09:08:05,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1250. [2020-12-23 09:08:05,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-12-23 09:08:05,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 2220 transitions. [2020-12-23 09:08:05,422 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 2220 transitions. Word has length 69 [2020-12-23 09:08:05,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:05,422 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 2220 transitions. [2020-12-23 09:08:05,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:08:05,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 2220 transitions. [2020-12-23 09:08:05,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 09:08:05,426 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:05,426 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 09:08:05,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 09:08:05,641 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:05,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:05,642 INFO L82 PathProgramCache]: Analyzing trace with hash 2119535170, now seen corresponding path program 1 times [2020-12-23 09:08:05,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:05,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128542196] [2020-12-23 09:08:05,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:05,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128542196] [2020-12-23 09:08:05,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:05,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:05,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398482757] [2020-12-23 09:08:05,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:05,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:05,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:05,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:05,717 INFO L87 Difference]: Start difference. First operand 1250 states and 2220 transitions. Second operand 3 states. [2020-12-23 09:08:05,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:05,911 INFO L93 Difference]: Finished difference Result 3380 states and 6027 transitions. [2020-12-23 09:08:05,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:05,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-12-23 09:08:05,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:05,925 INFO L225 Difference]: With dead ends: 3380 [2020-12-23 09:08:05,925 INFO L226 Difference]: Without dead ends: 2231 [2020-12-23 09:08:05,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:05,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2020-12-23 09:08:06,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1982. [2020-12-23 09:08:06,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1982 states. [2020-12-23 09:08:06,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 1982 states and 3553 transitions. [2020-12-23 09:08:06,091 INFO L78 Accepts]: Start accepts. Automaton has 1982 states and 3553 transitions. Word has length 73 [2020-12-23 09:08:06,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:06,092 INFO L481 AbstractCegarLoop]: Abstraction has 1982 states and 3553 transitions. [2020-12-23 09:08:06,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:06,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 3553 transitions. [2020-12-23 09:08:06,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 09:08:06,097 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:06,097 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 09:08:06,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:08:06,097 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:06,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:06,098 INFO L82 PathProgramCache]: Analyzing trace with hash -823760958, now seen corresponding path program 1 times [2020-12-23 09:08:06,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:06,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633665051] [2020-12-23 09:08:06,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:06,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:06,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633665051] [2020-12-23 09:08:06,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:06,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:06,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884133339] [2020-12-23 09:08:06,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:06,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:06,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:06,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:06,194 INFO L87 Difference]: Start difference. First operand 1982 states and 3553 transitions. Second operand 3 states. [2020-12-23 09:08:06,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:06,446 INFO L93 Difference]: Finished difference Result 5312 states and 9545 transitions. [2020-12-23 09:08:06,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:06,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 09:08:06,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:06,470 INFO L225 Difference]: With dead ends: 5312 [2020-12-23 09:08:06,470 INFO L226 Difference]: Without dead ends: 3465 [2020-12-23 09:08:06,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:06,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3465 states. [2020-12-23 09:08:06,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3465 to 3216. [2020-12-23 09:08:06,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3216 states. [2020-12-23 09:08:06,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 3216 states and 5794 transitions. [2020-12-23 09:08:06,762 INFO L78 Accepts]: Start accepts. Automaton has 3216 states and 5794 transitions. Word has length 74 [2020-12-23 09:08:06,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:06,762 INFO L481 AbstractCegarLoop]: Abstraction has 3216 states and 5794 transitions. [2020-12-23 09:08:06,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:06,763 INFO L276 IsEmpty]: Start isEmpty. Operand 3216 states and 5794 transitions. [2020-12-23 09:08:06,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 09:08:06,769 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:06,769 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 09:08:06,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:08:06,769 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:06,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:06,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1278991219, now seen corresponding path program 1 times [2020-12-23 09:08:06,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:06,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834554445] [2020-12-23 09:08:06,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:06,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:06,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834554445] [2020-12-23 09:08:06,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:06,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:06,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232750872] [2020-12-23 09:08:06,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:06,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:06,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:06,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:06,849 INFO L87 Difference]: Start difference. First operand 3216 states and 5794 transitions. Second operand 3 states. [2020-12-23 09:08:07,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:07,251 INFO L93 Difference]: Finished difference Result 8730 states and 15751 transitions. [2020-12-23 09:08:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:07,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-23 09:08:07,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:07,286 INFO L225 Difference]: With dead ends: 8730 [2020-12-23 09:08:07,287 INFO L226 Difference]: Without dead ends: 5683 [2020-12-23 09:08:07,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:07,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5683 states. [2020-12-23 09:08:07,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5683 to 5434. [2020-12-23 09:08:07,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5434 states. [2020-12-23 09:08:07,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5434 states to 5434 states and 9811 transitions. [2020-12-23 09:08:07,689 INFO L78 Accepts]: Start accepts. Automaton has 5434 states and 9811 transitions. Word has length 75 [2020-12-23 09:08:07,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:07,689 INFO L481 AbstractCegarLoop]: Abstraction has 5434 states and 9811 transitions. [2020-12-23 09:08:07,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:07,690 INFO L276 IsEmpty]: Start isEmpty. Operand 5434 states and 9811 transitions. [2020-12-23 09:08:07,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 09:08:07,697 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:07,697 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] [2020-12-23 09:08:07,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:08:07,697 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:07,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:07,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1206323245, now seen corresponding path program 1 times [2020-12-23 09:08:07,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:07,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169048303] [2020-12-23 09:08:07,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:07,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169048303] [2020-12-23 09:08:07,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:07,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:07,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141143998] [2020-12-23 09:08:07,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:07,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:07,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:07,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:07,796 INFO L87 Difference]: Start difference. First operand 5434 states and 9811 transitions. Second operand 3 states. [2020-12-23 09:08:08,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:08,409 INFO L93 Difference]: Finished difference Result 15710 states and 28413 transitions. [2020-12-23 09:08:08,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:08,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-12-23 09:08:08,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:08,465 INFO L225 Difference]: With dead ends: 15710 [2020-12-23 09:08:08,466 INFO L226 Difference]: Without dead ends: 10453 [2020-12-23 09:08:08,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:08,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10453 states. [2020-12-23 09:08:09,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10453 to 10204. [2020-12-23 09:08:09,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10204 states. [2020-12-23 09:08:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10204 states to 10204 states and 18452 transitions. [2020-12-23 09:08:09,264 INFO L78 Accepts]: Start accepts. Automaton has 10204 states and 18452 transitions. Word has length 76 [2020-12-23 09:08:09,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:09,264 INFO L481 AbstractCegarLoop]: Abstraction has 10204 states and 18452 transitions. [2020-12-23 09:08:09,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:09,264 INFO L276 IsEmpty]: Start isEmpty. Operand 10204 states and 18452 transitions. [2020-12-23 09:08:09,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:08:09,274 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:09,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:08:09,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:08:09,275 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:09,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:09,276 INFO L82 PathProgramCache]: Analyzing trace with hash -630731934, now seen corresponding path program 1 times [2020-12-23 09:08:09,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:09,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104273779] [2020-12-23 09:08:09,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:09,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:09,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104273779] [2020-12-23 09:08:09,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:09,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:09,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138691936] [2020-12-23 09:08:09,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:09,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:09,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:09,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:09,345 INFO L87 Difference]: Start difference. First operand 10204 states and 18452 transitions. Second operand 3 states. [2020-12-23 09:08:10,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:10,366 INFO L93 Difference]: Finished difference Result 29850 states and 54035 transitions. [2020-12-23 09:08:10,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:10,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-23 09:08:10,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:10,430 INFO L225 Difference]: With dead ends: 29850 [2020-12-23 09:08:10,430 INFO L226 Difference]: Without dead ends: 19831 [2020-12-23 09:08:10,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:10,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19831 states. [2020-12-23 09:08:11,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19831 to 19582. [2020-12-23 09:08:11,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19582 states. [2020-12-23 09:08:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19582 states to 19582 states and 35413 transitions. [2020-12-23 09:08:11,840 INFO L78 Accepts]: Start accepts. Automaton has 19582 states and 35413 transitions. Word has length 77 [2020-12-23 09:08:11,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:11,841 INFO L481 AbstractCegarLoop]: Abstraction has 19582 states and 35413 transitions. [2020-12-23 09:08:11,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:11,841 INFO L276 IsEmpty]: Start isEmpty. Operand 19582 states and 35413 transitions. [2020-12-23 09:08:11,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 09:08:11,856 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:11,856 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] [2020-12-23 09:08:11,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:08:11,857 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:11,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:11,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1926578654, now seen corresponding path program 1 times [2020-12-23 09:08:11,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:11,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373842009] [2020-12-23 09:08:11,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:11,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:11,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373842009] [2020-12-23 09:08:11,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:11,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:11,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42281353] [2020-12-23 09:08:11,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:11,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:11,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:11,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:11,937 INFO L87 Difference]: Start difference. First operand 19582 states and 35413 transitions. Second operand 3 states. [2020-12-23 09:08:13,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:13,856 INFO L93 Difference]: Finished difference Result 58170 states and 105232 transitions. [2020-12-23 09:08:13,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:13,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-23 09:08:13,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:13,992 INFO L225 Difference]: With dead ends: 58170 [2020-12-23 09:08:13,992 INFO L226 Difference]: Without dead ends: 38777 [2020-12-23 09:08:14,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:14,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38777 states. [2020-12-23 09:08:16,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38777 to 38528. [2020-12-23 09:08:16,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38528 states. [2020-12-23 09:08:16,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38528 states to 38528 states and 69590 transitions. [2020-12-23 09:08:16,284 INFO L78 Accepts]: Start accepts. Automaton has 38528 states and 69590 transitions. Word has length 78 [2020-12-23 09:08:16,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:16,285 INFO L481 AbstractCegarLoop]: Abstraction has 38528 states and 69590 transitions. [2020-12-23 09:08:16,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:16,285 INFO L276 IsEmpty]: Start isEmpty. Operand 38528 states and 69590 transitions. [2020-12-23 09:08:16,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 09:08:16,305 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:16,305 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 09:08:16,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:08:16,306 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:16,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:16,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1877266825, now seen corresponding path program 1 times [2020-12-23 09:08:16,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:16,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075312578] [2020-12-23 09:08:16,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 09:08:16,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075312578] [2020-12-23 09:08:16,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:16,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:08:16,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693096986] [2020-12-23 09:08:16,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:08:16,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:16,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:08:16,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:08:16,401 INFO L87 Difference]: Start difference. First operand 38528 states and 69590 transitions. Second operand 5 states. [2020-12-23 09:08:19,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:19,380 INFO L93 Difference]: Finished difference Result 113279 states and 204569 transitions. [2020-12-23 09:08:19,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:08:19,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2020-12-23 09:08:19,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:19,611 INFO L225 Difference]: With dead ends: 113279 [2020-12-23 09:08:19,611 INFO L226 Difference]: Without dead ends: 75008 [2020-12-23 09:08:19,891 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:08:19,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75008 states. [2020-12-23 09:08:22,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75008 to 38528. [2020-12-23 09:08:22,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38528 states. [2020-12-23 09:08:22,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38528 states to 38528 states and 69332 transitions. [2020-12-23 09:08:22,356 INFO L78 Accepts]: Start accepts. Automaton has 38528 states and 69332 transitions. Word has length 79 [2020-12-23 09:08:22,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:22,356 INFO L481 AbstractCegarLoop]: Abstraction has 38528 states and 69332 transitions. [2020-12-23 09:08:22,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:08:22,357 INFO L276 IsEmpty]: Start isEmpty. Operand 38528 states and 69332 transitions. [2020-12-23 09:08:22,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 09:08:22,369 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:22,370 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:08:22,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:08:22,370 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:22,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:22,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1317677095, now seen corresponding path program 2 times [2020-12-23 09:08:22,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:22,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752751260] [2020-12-23 09:08:22,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:22,450 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:22,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752751260] [2020-12-23 09:08:22,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:22,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:22,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157599351] [2020-12-23 09:08:22,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:22,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:22,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:22,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:22,452 INFO L87 Difference]: Start difference. First operand 38528 states and 69332 transitions. Second operand 3 states. [2020-12-23 09:08:24,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:24,138 INFO L93 Difference]: Finished difference Result 77042 states and 138634 transitions. [2020-12-23 09:08:24,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:24,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 09:08:24,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:24,203 INFO L225 Difference]: With dead ends: 77042 [2020-12-23 09:08:24,203 INFO L226 Difference]: Without dead ends: 38777 [2020-12-23 09:08:24,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:24,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38777 states. [2020-12-23 09:08:25,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38777 to 38528. [2020-12-23 09:08:25,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38528 states. [2020-12-23 09:08:26,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38528 states to 38528 states and 69204 transitions. [2020-12-23 09:08:26,002 INFO L78 Accepts]: Start accepts. Automaton has 38528 states and 69204 transitions. Word has length 79 [2020-12-23 09:08:26,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:26,002 INFO L481 AbstractCegarLoop]: Abstraction has 38528 states and 69204 transitions. [2020-12-23 09:08:26,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:26,003 INFO L276 IsEmpty]: Start isEmpty. Operand 38528 states and 69204 transitions. [2020-12-23 09:08:26,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 09:08:26,015 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:26,016 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] [2020-12-23 09:08:26,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:08:26,016 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:26,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:26,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1658061740, now seen corresponding path program 1 times [2020-12-23 09:08:26,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:26,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274740211] [2020-12-23 09:08:26,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:26,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:26,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274740211] [2020-12-23 09:08:26,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:26,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:26,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473065060] [2020-12-23 09:08:26,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:26,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:26,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:26,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:26,084 INFO L87 Difference]: Start difference. First operand 38528 states and 69204 transitions. Second operand 3 states. [2020-12-23 09:08:28,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:28,790 INFO L93 Difference]: Finished difference Result 107164 states and 192212 transitions. [2020-12-23 09:08:28,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:28,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 09:08:28,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:28,908 INFO L225 Difference]: With dead ends: 107164 [2020-12-23 09:08:28,908 INFO L226 Difference]: Without dead ends: 68859 [2020-12-23 09:08:28,945 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:29,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68859 states. [2020-12-23 09:08:31,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68859 to 68610. [2020-12-23 09:08:31,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68610 states. [2020-12-23 09:08:31,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68610 states to 68610 states and 122709 transitions. [2020-12-23 09:08:31,947 INFO L78 Accepts]: Start accepts. Automaton has 68610 states and 122709 transitions. Word has length 79 [2020-12-23 09:08:31,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:31,947 INFO L481 AbstractCegarLoop]: Abstraction has 68610 states and 122709 transitions. [2020-12-23 09:08:31,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:31,947 INFO L276 IsEmpty]: Start isEmpty. Operand 68610 states and 122709 transitions. [2020-12-23 09:08:31,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 09:08:31,959 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:31,959 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 09:08:31,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:08:31,960 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:31,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:31,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1260118765, now seen corresponding path program 1 times [2020-12-23 09:08:31,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:31,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532334528] [2020-12-23 09:08:31,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:32,076 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:08:32,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532334528] [2020-12-23 09:08:32,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:32,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:08:32,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223130534] [2020-12-23 09:08:32,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:08:32,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:32,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:08:32,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:08:32,078 INFO L87 Difference]: Start difference. First operand 68610 states and 122709 transitions. Second operand 9 states. [2020-12-23 09:08:38,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:38,428 INFO L93 Difference]: Finished difference Result 138996 states and 248282 transitions. [2020-12-23 09:08:38,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 09:08:38,429 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2020-12-23 09:08:38,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:38,808 INFO L225 Difference]: With dead ends: 138996 [2020-12-23 09:08:38,808 INFO L226 Difference]: Without dead ends: 138778 [2020-12-23 09:08:38,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=438, Unknown=0, NotChecked=0, Total=650 [2020-12-23 09:08:38,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138778 states. [2020-12-23 09:08:44,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138778 to 137113. [2020-12-23 09:08:44,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137113 states. [2020-12-23 09:08:44,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137113 states to 137113 states and 245250 transitions. [2020-12-23 09:08:44,938 INFO L78 Accepts]: Start accepts. Automaton has 137113 states and 245250 transitions. Word has length 80 [2020-12-23 09:08:44,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:44,940 INFO L481 AbstractCegarLoop]: Abstraction has 137113 states and 245250 transitions. [2020-12-23 09:08:44,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:08:44,942 INFO L276 IsEmpty]: Start isEmpty. Operand 137113 states and 245250 transitions. [2020-12-23 09:08:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 09:08:44,965 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:44,965 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] [2020-12-23 09:08:44,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:08:44,965 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:44,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:44,966 INFO L82 PathProgramCache]: Analyzing trace with hash 605538429, now seen corresponding path program 1 times [2020-12-23 09:08:44,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:44,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273031191] [2020-12-23 09:08:44,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:45,100 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:08:45,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273031191] [2020-12-23 09:08:45,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:45,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 09:08:45,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873347138] [2020-12-23 09:08:45,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:08:45,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:45,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:08:45,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:08:45,102 INFO L87 Difference]: Start difference. First operand 137113 states and 245250 transitions. Second operand 7 states. [2020-12-23 09:08:50,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:50,347 INFO L93 Difference]: Finished difference Result 137844 states and 246444 transitions. [2020-12-23 09:08:50,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 09:08:50,350 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2020-12-23 09:08:50,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:50,646 INFO L225 Difference]: With dead ends: 137844 [2020-12-23 09:08:50,646 INFO L226 Difference]: Without dead ends: 137346 [2020-12-23 09:08:50,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-12-23 09:08:50,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137346 states. [2020-12-23 09:08:56,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137346 to 137095. [2020-12-23 09:08:56,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137095 states. [2020-12-23 09:08:57,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137095 states to 137095 states and 245210 transitions. [2020-12-23 09:08:57,225 INFO L78 Accepts]: Start accepts. Automaton has 137095 states and 245210 transitions. Word has length 81 [2020-12-23 09:08:57,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:57,225 INFO L481 AbstractCegarLoop]: Abstraction has 137095 states and 245210 transitions. [2020-12-23 09:08:57,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:08:57,225 INFO L276 IsEmpty]: Start isEmpty. Operand 137095 states and 245210 transitions. [2020-12-23 09:08:57,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 09:08:57,252 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:57,252 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] [2020-12-23 09:08:57,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:08:57,261 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:57,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:57,262 INFO L82 PathProgramCache]: Analyzing trace with hash -47220907, now seen corresponding path program 1 times [2020-12-23 09:08:57,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:57,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616767353] [2020-12-23 09:08:57,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:57,354 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:08:57,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616767353] [2020-12-23 09:08:57,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:57,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:57,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683187180] [2020-12-23 09:08:57,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:08:57,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:57,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:08:57,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:08:57,356 INFO L87 Difference]: Start difference. First operand 137095 states and 245210 transitions. Second operand 4 states. [2020-12-23 09:09:04,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:04,661 INFO L93 Difference]: Finished difference Result 206868 states and 369800 transitions. [2020-12-23 09:09:04,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:09:04,662 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 81 [2020-12-23 09:09:04,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:05,166 INFO L225 Difference]: With dead ends: 206868 [2020-12-23 09:09:05,166 INFO L226 Difference]: Without dead ends: 206491 [2020-12-23 09:09:05,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:09:05,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206491 states. [2020-12-23 09:09:14,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206491 to 205644. [2020-12-23 09:09:14,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205644 states. [2020-12-23 09:09:15,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205644 states to 205644 states and 367810 transitions. [2020-12-23 09:09:15,006 INFO L78 Accepts]: Start accepts. Automaton has 205644 states and 367810 transitions. Word has length 81 [2020-12-23 09:09:15,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:15,007 INFO L481 AbstractCegarLoop]: Abstraction has 205644 states and 367810 transitions. [2020-12-23 09:09:15,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:09:15,007 INFO L276 IsEmpty]: Start isEmpty. Operand 205644 states and 367810 transitions. [2020-12-23 09:09:15,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 09:09:15,049 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:15,049 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] [2020-12-23 09:09:15,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:09:15,049 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:15,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:15,050 INFO L82 PathProgramCache]: Analyzing trace with hash -864869357, now seen corresponding path program 1 times [2020-12-23 09:09:15,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:15,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861479132] [2020-12-23 09:09:15,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:15,159 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:09:15,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861479132] [2020-12-23 09:09:15,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:15,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 09:09:15,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297481369] [2020-12-23 09:09:15,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:09:15,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:15,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:09:15,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:09:15,162 INFO L87 Difference]: Start difference. First operand 205644 states and 367810 transitions. Second operand 9 states. [2020-12-23 09:09:23,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:23,700 INFO L93 Difference]: Finished difference Result 209863 states and 374538 transitions. [2020-12-23 09:09:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 09:09:23,701 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2020-12-23 09:09:23,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:24,372 INFO L225 Difference]: With dead ends: 209863 [2020-12-23 09:09:24,372 INFO L226 Difference]: Without dead ends: 209168 [2020-12-23 09:09:24,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2020-12-23 09:09:24,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209168 states. [2020-12-23 09:09:33,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209168 to 205928. [2020-12-23 09:09:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205928 states. [2020-12-23 09:09:33,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205928 states to 205928 states and 368249 transitions. [2020-12-23 09:09:33,921 INFO L78 Accepts]: Start accepts. Automaton has 205928 states and 368249 transitions. Word has length 81 [2020-12-23 09:09:33,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:33,921 INFO L481 AbstractCegarLoop]: Abstraction has 205928 states and 368249 transitions. [2020-12-23 09:09:33,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:09:33,921 INFO L276 IsEmpty]: Start isEmpty. Operand 205928 states and 368249 transitions. [2020-12-23 09:09:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 09:09:33,943 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:33,944 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] [2020-12-23 09:09:33,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 09:09:33,944 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:33,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:33,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1437712243, now seen corresponding path program 1 times [2020-12-23 09:09:33,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:33,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218448738] [2020-12-23 09:09:33,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:34,495 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:09:34,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218448738] [2020-12-23 09:09:34,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:34,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:09:34,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804552118] [2020-12-23 09:09:34,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:09:34,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:34,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:09:34,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:09:34,498 INFO L87 Difference]: Start difference. First operand 205928 states and 368249 transitions. Second operand 5 states. [2020-12-23 09:09:42,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:42,749 INFO L93 Difference]: Finished difference Result 211898 states and 377767 transitions. [2020-12-23 09:09:42,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:09:42,750 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-23 09:09:42,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:43,213 INFO L225 Difference]: With dead ends: 211898 [2020-12-23 09:09:43,213 INFO L226 Difference]: Without dead ends: 211049 [2020-12-23 09:09:43,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:09:43,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211049 states. [2020-12-23 09:09:54,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211049 to 207041. [2020-12-23 09:09:54,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207041 states. [2020-12-23 09:09:54,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207041 states to 207041 states and 370005 transitions. [2020-12-23 09:09:54,879 INFO L78 Accepts]: Start accepts. Automaton has 207041 states and 370005 transitions. Word has length 82 [2020-12-23 09:09:54,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:54,879 INFO L481 AbstractCegarLoop]: Abstraction has 207041 states and 370005 transitions. [2020-12-23 09:09:54,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:09:54,880 INFO L276 IsEmpty]: Start isEmpty. Operand 207041 states and 370005 transitions. [2020-12-23 09:09:54,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 09:09:54,909 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:54,909 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] [2020-12-23 09:09:54,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 09:09:54,910 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:54,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:54,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1617622449, now seen corresponding path program 1 times [2020-12-23 09:09:54,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:54,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002641280] [2020-12-23 09:09:54,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:09:55,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002641280] [2020-12-23 09:09:55,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926941878] [2020-12-23 09:09:55,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:09:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:55,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 09:09:55,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:09:55,380 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 09:09:55,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:09:55,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-12-23 09:09:55,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551848389] [2020-12-23 09:09:55,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:09:55,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:55,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:09:55,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:09:55,382 INFO L87 Difference]: Start difference. First operand 207041 states and 370005 transitions. Second operand 9 states. [2020-12-23 09:10:06,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:06,855 INFO L93 Difference]: Finished difference Result 234112 states and 414146 transitions. [2020-12-23 09:10:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-12-23 09:10:06,858 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-12-23 09:10:06,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:07,566 INFO L225 Difference]: With dead ends: 234112 [2020-12-23 09:10:07,566 INFO L226 Difference]: Without dead ends: 231761 [2020-12-23 09:10:07,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=238, Invalid=884, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 09:10:07,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231761 states. [2020-12-23 09:10:17,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231761 to 211878. [2020-12-23 09:10:17,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211878 states. [2020-12-23 09:10:17,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211878 states to 211878 states and 378465 transitions. [2020-12-23 09:10:17,913 INFO L78 Accepts]: Start accepts. Automaton has 211878 states and 378465 transitions. Word has length 83 [2020-12-23 09:10:17,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:17,913 INFO L481 AbstractCegarLoop]: Abstraction has 211878 states and 378465 transitions. [2020-12-23 09:10:17,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:10:17,913 INFO L276 IsEmpty]: Start isEmpty. Operand 211878 states and 378465 transitions. [2020-12-23 09:10:17,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 09:10:17,952 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:17,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:10:18,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2020-12-23 09:10:18,167 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:10:18,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:18,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1048261091, now seen corresponding path program 1 times [2020-12-23 09:10:18,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:18,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880817328] [2020-12-23 09:10:18,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:18,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:10:18,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880817328] [2020-12-23 09:10:18,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:18,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:10:18,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928559727] [2020-12-23 09:10:18,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:10:18,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:18,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:10:18,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:10:18,238 INFO L87 Difference]: Start difference. First operand 211878 states and 378465 transitions. Second operand 3 states. [2020-12-23 09:10:35,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:35,579 INFO L93 Difference]: Finished difference Result 619259 states and 1106406 transitions. [2020-12-23 09:10:35,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:10:35,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-12-23 09:10:35,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:36,898 INFO L225 Difference]: With dead ends: 619259 [2020-12-23 09:10:36,899 INFO L226 Difference]: Without dead ends: 411222 [2020-12-23 09:10:37,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:10:37,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411222 states. [2020-12-23 09:10:59,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411222 to 408889. [2020-12-23 09:10:59,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408889 states. [2020-12-23 09:11:01,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408889 states to 408889 states and 729345 transitions. [2020-12-23 09:11:01,326 INFO L78 Accepts]: Start accepts. Automaton has 408889 states and 729345 transitions. Word has length 83 [2020-12-23 09:11:01,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:01,327 INFO L481 AbstractCegarLoop]: Abstraction has 408889 states and 729345 transitions. [2020-12-23 09:11:01,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:01,327 INFO L276 IsEmpty]: Start isEmpty. Operand 408889 states and 729345 transitions. [2020-12-23 09:11:01,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 09:11:01,374 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:01,374 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] [2020-12-23 09:11:01,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 09:11:01,374 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:01,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:01,375 INFO L82 PathProgramCache]: Analyzing trace with hash 638682302, now seen corresponding path program 1 times [2020-12-23 09:11:01,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:01,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656311521] [2020-12-23 09:11:01,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:11:01,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656311521] [2020-12-23 09:11:01,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:01,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:01,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10122515] [2020-12-23 09:11:01,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:01,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:01,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:01,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:01,453 INFO L87 Difference]: Start difference. First operand 408889 states and 729345 transitions. Second operand 3 states.