/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec27_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:45:47,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:45:47,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:45:47,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:45:47,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:45:47,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:45:47,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:45:47,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:45:47,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:45:47,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:45:47,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:45:47,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:45:47,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:45:47,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:45:47,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:45:47,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:45:47,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:45:47,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:45:47,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:45:47,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:45:47,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:45:47,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:45:47,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:45:47,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:45:47,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:45:47,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:45:47,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:45:47,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:45:47,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:45:47,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:45:47,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:45:47,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:45:47,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:45:47,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:45:47,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:45:47,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:45:47,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:45:47,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:45:47,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:45:47,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:45:47,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:45:47,748 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:45:47,772 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:45:47,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:45:47,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:45:47,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:45:47,774 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:45:47,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:45:47,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:45:47,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:45:47,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:45:47,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:45:47,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:45:47,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:45:47,776 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:45:47,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:45:47,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:45:47,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:45:47,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:45:47,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:45:47,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:45:47,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:45:47,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:45:47,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:45:47,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:45:47,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:45:47,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:45:47,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:45:48,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:45:48,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:45:48,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:45:48,157 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:45:48,158 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:45:48,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product19.cil.c [2021-01-06 18:45:48,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/015a18571/4573aedabb7542f4bfbc81dea63513cb/FLAGa096d525b [2021-01-06 18:45:48,987 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:45:48,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product19.cil.c [2021-01-06 18:45:49,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/015a18571/4573aedabb7542f4bfbc81dea63513cb/FLAGa096d525b [2021-01-06 18:45:49,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/015a18571/4573aedabb7542f4bfbc81dea63513cb [2021-01-06 18:45:49,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:45:49,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:45:49,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:45:49,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:45:49,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:45:49,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:45:49" (1/1) ... [2021-01-06 18:45:49,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538adbe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:45:49, skipping insertion in model container [2021-01-06 18:45:49,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:45:49" (1/1) ... [2021-01-06 18:45:49,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:45:49,310 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] 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~0,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] [2021-01-06 18:45:49,809 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product19.cil.c[17438,17451] 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___2~0,] 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___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] 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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] 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~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_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~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_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~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_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] 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[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] 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,] [2021-01-06 18:45:50,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:45:50,107 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] 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~0,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] [2021-01-06 18:45:50,241 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product19.cil.c[17438,17451] 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___2~0,] 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___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] 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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] 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~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_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~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_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~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_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] 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[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] 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,] [2021-01-06 18:45:50,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:45:50,392 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:45:50,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:45:50 WrapperNode [2021-01-06 18:45:50,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:45:50,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:45:50,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:45:50,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:45:50,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:45:50" (1/1) ... [2021-01-06 18:45:50,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:45:50" (1/1) ... [2021-01-06 18:45:50,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:45:50,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:45:50,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:45:50,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:45:50,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:45:50" (1/1) ... [2021-01-06 18:45:50,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:45:50" (1/1) ... [2021-01-06 18:45:50,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:45:50" (1/1) ... [2021-01-06 18:45:50,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:45:50" (1/1) ... [2021-01-06 18:45:50,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:45:50" (1/1) ... [2021-01-06 18:45:50,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:45:50" (1/1) ... [2021-01-06 18:45:50,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:45:50" (1/1) ... [2021-01-06 18:45:50,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:45:50,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:45:50,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:45:50,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:45:50,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:45:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:45:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:45:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:45:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:45:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:45:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:45:52,740 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:45:52,740 INFO L299 CfgBuilder]: Removed 303 assume(true) statements. [2021-01-06 18:45:52,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:45:52 BoogieIcfgContainer [2021-01-06 18:45:52,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:45:52,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:45:52,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:45:52,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:45:52,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:45:49" (1/3) ... [2021-01-06 18:45:52,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e26e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:45:52, skipping insertion in model container [2021-01-06 18:45:52,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:45:50" (2/3) ... [2021-01-06 18:45:52,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e26e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:45:52, skipping insertion in model container [2021-01-06 18:45:52,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:45:52" (3/3) ... [2021-01-06 18:45:52,752 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product19.cil.c [2021-01-06 18:45:52,759 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:45:52,765 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 18:45:52,784 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 18:45:52,815 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:45:52,815 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:45:52,815 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:45:52,815 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:45:52,816 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:45:52,816 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:45:52,816 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:45:52,816 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:45:52,842 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states. [2021-01-06 18:45:52,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 18:45:52,856 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:52,857 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:52,858 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:52,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:52,864 INFO L82 PathProgramCache]: Analyzing trace with hash -167129029, now seen corresponding path program 1 times [2021-01-06 18:45:52,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:52,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887567129] [2021-01-06 18:45:52,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:53,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:53,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887567129] [2021-01-06 18:45:53,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:53,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:45:53,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569623651] [2021-01-06 18:45:53,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:45:53,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:53,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:45:53,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:53,352 INFO L87 Difference]: Start difference. First operand 467 states. Second operand 3 states. [2021-01-06 18:45:53,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:53,537 INFO L93 Difference]: Finished difference Result 1366 states and 2378 transitions. [2021-01-06 18:45:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:45:53,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-01-06 18:45:53,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:53,596 INFO L225 Difference]: With dead ends: 1366 [2021-01-06 18:45:53,596 INFO L226 Difference]: Without dead ends: 842 [2021-01-06 18:45:53,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:53,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2021-01-06 18:45:53,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 430. [2021-01-06 18:45:53,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2021-01-06 18:45:53,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 747 transitions. [2021-01-06 18:45:53,721 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 747 transitions. Word has length 48 [2021-01-06 18:45:53,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:53,721 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 747 transitions. [2021-01-06 18:45:53,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:45:53,722 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 747 transitions. [2021-01-06 18:45:53,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 18:45:53,726 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:53,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:53,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:45:53,730 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:53,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:53,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1311500302, now seen corresponding path program 1 times [2021-01-06 18:45:53,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:53,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206255559] [2021-01-06 18:45:53,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:53,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:53,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206255559] [2021-01-06 18:45:53,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:53,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:45:53,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431643941] [2021-01-06 18:45:53,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:45:53,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:53,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:45:53,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:45:53,947 INFO L87 Difference]: Start difference. First operand 430 states and 747 transitions. Second operand 5 states. [2021-01-06 18:45:54,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:54,154 INFO L93 Difference]: Finished difference Result 1239 states and 2157 transitions. [2021-01-06 18:45:54,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:45:54,155 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2021-01-06 18:45:54,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:54,161 INFO L225 Difference]: With dead ends: 1239 [2021-01-06 18:45:54,161 INFO L226 Difference]: Without dead ends: 828 [2021-01-06 18:45:54,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:45:54,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2021-01-06 18:45:54,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 430. [2021-01-06 18:45:54,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2021-01-06 18:45:54,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 746 transitions. [2021-01-06 18:45:54,200 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 746 transitions. Word has length 50 [2021-01-06 18:45:54,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:54,200 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 746 transitions. [2021-01-06 18:45:54,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:45:54,200 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 746 transitions. [2021-01-06 18:45:54,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 18:45:54,205 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:54,205 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:54,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:45:54,207 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:54,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:54,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1098779109, now seen corresponding path program 1 times [2021-01-06 18:45:54,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:54,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712698822] [2021-01-06 18:45:54,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:54,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712698822] [2021-01-06 18:45:54,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:54,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:45:54,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702700859] [2021-01-06 18:45:54,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:45:54,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:54,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:45:54,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:54,332 INFO L87 Difference]: Start difference. First operand 430 states and 746 transitions. Second operand 3 states. [2021-01-06 18:45:54,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:54,372 INFO L93 Difference]: Finished difference Result 842 states and 1466 transitions. [2021-01-06 18:45:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:45:54,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-01-06 18:45:54,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:54,376 INFO L225 Difference]: With dead ends: 842 [2021-01-06 18:45:54,376 INFO L226 Difference]: Without dead ends: 435 [2021-01-06 18:45:54,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:54,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2021-01-06 18:45:54,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 430. [2021-01-06 18:45:54,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2021-01-06 18:45:54,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 745 transitions. [2021-01-06 18:45:54,395 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 745 transitions. Word has length 51 [2021-01-06 18:45:54,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:54,395 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 745 transitions. [2021-01-06 18:45:54,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:45:54,396 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 745 transitions. [2021-01-06 18:45:54,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-06 18:45:54,397 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:54,397 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:54,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:45:54,398 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:54,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:54,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1661226655, now seen corresponding path program 1 times [2021-01-06 18:45:54,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:54,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502676328] [2021-01-06 18:45:54,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:54,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:54,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502676328] [2021-01-06 18:45:54,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:54,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:45:54,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689257613] [2021-01-06 18:45:54,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:45:54,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:54,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:45:54,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:54,484 INFO L87 Difference]: Start difference. First operand 430 states and 745 transitions. Second operand 3 states. [2021-01-06 18:45:54,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:54,524 INFO L93 Difference]: Finished difference Result 852 states and 1479 transitions. [2021-01-06 18:45:54,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:45:54,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2021-01-06 18:45:54,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:54,556 INFO L225 Difference]: With dead ends: 852 [2021-01-06 18:45:54,557 INFO L226 Difference]: Without dead ends: 430 [2021-01-06 18:45:54,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:54,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2021-01-06 18:45:54,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2021-01-06 18:45:54,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2021-01-06 18:45:54,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 743 transitions. [2021-01-06 18:45:54,576 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 743 transitions. Word has length 52 [2021-01-06 18:45:54,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:54,577 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 743 transitions. [2021-01-06 18:45:54,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:45:54,577 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 743 transitions. [2021-01-06 18:45:54,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-06 18:45:54,578 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:54,579 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] [2021-01-06 18:45:54,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:45:54,579 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:54,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:54,580 INFO L82 PathProgramCache]: Analyzing trace with hash -755664714, now seen corresponding path program 1 times [2021-01-06 18:45:54,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:54,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328308118] [2021-01-06 18:45:54,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:54,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328308118] [2021-01-06 18:45:54,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:54,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:45:54,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352523584] [2021-01-06 18:45:54,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:45:54,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:54,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:45:54,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:45:54,656 INFO L87 Difference]: Start difference. First operand 430 states and 743 transitions. Second operand 5 states. [2021-01-06 18:45:54,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:54,808 INFO L93 Difference]: Finished difference Result 1229 states and 2137 transitions. [2021-01-06 18:45:54,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:45:54,810 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2021-01-06 18:45:54,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:54,815 INFO L225 Difference]: With dead ends: 1229 [2021-01-06 18:45:54,816 INFO L226 Difference]: Without dead ends: 826 [2021-01-06 18:45:54,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:45:54,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2021-01-06 18:45:54,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 430. [2021-01-06 18:45:54,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2021-01-06 18:45:54,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 742 transitions. [2021-01-06 18:45:54,842 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 742 transitions. Word has length 53 [2021-01-06 18:45:54,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:54,842 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 742 transitions. [2021-01-06 18:45:54,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:45:54,842 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 742 transitions. [2021-01-06 18:45:54,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 18:45:54,845 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:54,845 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] [2021-01-06 18:45:54,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:45:54,846 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:54,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:54,846 INFO L82 PathProgramCache]: Analyzing trace with hash 574282393, now seen corresponding path program 1 times [2021-01-06 18:45:54,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:54,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580743064] [2021-01-06 18:45:54,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:54,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:54,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580743064] [2021-01-06 18:45:54,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:54,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:45:54,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259035019] [2021-01-06 18:45:54,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:45:54,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:54,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:45:54,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:45:54,953 INFO L87 Difference]: Start difference. First operand 430 states and 742 transitions. Second operand 5 states. [2021-01-06 18:45:55,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:55,118 INFO L93 Difference]: Finished difference Result 1234 states and 2142 transitions. [2021-01-06 18:45:55,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:45:55,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-01-06 18:45:55,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:55,123 INFO L225 Difference]: With dead ends: 1234 [2021-01-06 18:45:55,124 INFO L226 Difference]: Without dead ends: 831 [2021-01-06 18:45:55,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:45:55,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2021-01-06 18:45:55,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 430. [2021-01-06 18:45:55,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2021-01-06 18:45:55,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 741 transitions. [2021-01-06 18:45:55,154 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 741 transitions. Word has length 54 [2021-01-06 18:45:55,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:55,155 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 741 transitions. [2021-01-06 18:45:55,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:45:55,155 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 741 transitions. [2021-01-06 18:45:55,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-06 18:45:55,156 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:55,156 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] [2021-01-06 18:45:55,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:45:55,157 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:55,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:55,163 INFO L82 PathProgramCache]: Analyzing trace with hash -314537551, now seen corresponding path program 1 times [2021-01-06 18:45:55,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:55,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703411418] [2021-01-06 18:45:55,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:55,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:55,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703411418] [2021-01-06 18:45:55,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:55,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:45:55,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458760799] [2021-01-06 18:45:55,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:45:55,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:55,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:45:55,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:55,299 INFO L87 Difference]: Start difference. First operand 430 states and 741 transitions. Second operand 3 states. [2021-01-06 18:45:55,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:55,341 INFO L93 Difference]: Finished difference Result 622 states and 1058 transitions. [2021-01-06 18:45:55,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:45:55,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2021-01-06 18:45:55,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:55,345 INFO L225 Difference]: With dead ends: 622 [2021-01-06 18:45:55,346 INFO L226 Difference]: Without dead ends: 433 [2021-01-06 18:45:55,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:55,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2021-01-06 18:45:55,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 432. [2021-01-06 18:45:55,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2021-01-06 18:45:55,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 743 transitions. [2021-01-06 18:45:55,386 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 743 transitions. Word has length 55 [2021-01-06 18:45:55,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:55,389 INFO L481 AbstractCegarLoop]: Abstraction has 432 states and 743 transitions. [2021-01-06 18:45:55,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:45:55,389 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 743 transitions. [2021-01-06 18:45:55,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 18:45:55,390 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:55,391 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:55,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:45:55,391 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:55,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:55,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1143669585, now seen corresponding path program 1 times [2021-01-06 18:45:55,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:55,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640871567] [2021-01-06 18:45:55,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:55,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:55,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640871567] [2021-01-06 18:45:55,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:55,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:45:55,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260021309] [2021-01-06 18:45:55,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:45:55,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:55,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:45:55,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:55,481 INFO L87 Difference]: Start difference. First operand 432 states and 743 transitions. Second operand 3 states. [2021-01-06 18:45:55,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:55,551 INFO L93 Difference]: Finished difference Result 1182 states and 2053 transitions. [2021-01-06 18:45:55,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:45:55,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 18:45:55,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:55,556 INFO L225 Difference]: With dead ends: 1182 [2021-01-06 18:45:55,557 INFO L226 Difference]: Without dead ends: 781 [2021-01-06 18:45:55,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:55,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2021-01-06 18:45:55,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 592. [2021-01-06 18:45:55,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2021-01-06 18:45:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 1036 transitions. [2021-01-06 18:45:55,606 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 1036 transitions. Word has length 61 [2021-01-06 18:45:55,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:55,607 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 1036 transitions. [2021-01-06 18:45:55,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:45:55,607 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1036 transitions. [2021-01-06 18:45:55,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 18:45:55,609 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:55,609 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:55,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:45:55,611 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:55,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:55,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1474526130, now seen corresponding path program 1 times [2021-01-06 18:45:55,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:55,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947764841] [2021-01-06 18:45:55,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:55,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:55,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947764841] [2021-01-06 18:45:55,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581752370] [2021-01-06 18:45:55,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:45:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:56,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:45:56,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:45:56,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:56,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:45:56,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:45:56,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064716138] [2021-01-06 18:45:56,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:45:56,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:56,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:45:56,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:45:56,193 INFO L87 Difference]: Start difference. First operand 592 states and 1036 transitions. Second operand 5 states. [2021-01-06 18:45:56,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:56,325 INFO L93 Difference]: Finished difference Result 1186 states and 2056 transitions. [2021-01-06 18:45:56,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:45:56,325 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2021-01-06 18:45:56,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:56,332 INFO L225 Difference]: With dead ends: 1186 [2021-01-06 18:45:56,332 INFO L226 Difference]: Without dead ends: 997 [2021-01-06 18:45:56,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:45:56,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2021-01-06 18:45:56,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 806. [2021-01-06 18:45:56,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2021-01-06 18:45:56,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1426 transitions. [2021-01-06 18:45:56,389 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1426 transitions. Word has length 62 [2021-01-06 18:45:56,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:56,389 INFO L481 AbstractCegarLoop]: Abstraction has 806 states and 1426 transitions. [2021-01-06 18:45:56,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:45:56,389 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1426 transitions. [2021-01-06 18:45:56,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:45:56,391 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:56,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:56,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-06 18:45:56,606 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:56,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:56,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1555299743, now seen corresponding path program 1 times [2021-01-06 18:45:56,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:56,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660141538] [2021-01-06 18:45:56,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:56,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:56,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660141538] [2021-01-06 18:45:56,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:56,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:45:56,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497622397] [2021-01-06 18:45:56,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:45:56,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:56,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:45:56,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:56,700 INFO L87 Difference]: Start difference. First operand 806 states and 1426 transitions. Second operand 3 states. [2021-01-06 18:45:56,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:56,792 INFO L93 Difference]: Finished difference Result 2084 states and 3702 transitions. [2021-01-06 18:45:56,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:45:56,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-06 18:45:56,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:56,801 INFO L225 Difference]: With dead ends: 2084 [2021-01-06 18:45:56,802 INFO L226 Difference]: Without dead ends: 1367 [2021-01-06 18:45:56,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:56,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2021-01-06 18:45:56,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1178. [2021-01-06 18:45:56,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1178 states. [2021-01-06 18:45:56,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 2104 transitions. [2021-01-06 18:45:56,880 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 2104 transitions. Word has length 68 [2021-01-06 18:45:56,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:56,880 INFO L481 AbstractCegarLoop]: Abstraction has 1178 states and 2104 transitions. [2021-01-06 18:45:56,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:45:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 2104 transitions. [2021-01-06 18:45:56,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:45:56,887 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:56,887 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2021-01-06 18:45:56,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:45:56,887 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:56,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:56,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1412706543, now seen corresponding path program 2 times [2021-01-06 18:45:56,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:56,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999653397] [2021-01-06 18:45:56,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:56,984 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:56,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999653397] [2021-01-06 18:45:56,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:56,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:45:56,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764129300] [2021-01-06 18:45:56,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:45:56,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:56,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:45:56,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:45:56,986 INFO L87 Difference]: Start difference. First operand 1178 states and 2104 transitions. Second operand 5 states. [2021-01-06 18:45:57,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:57,115 INFO L93 Difference]: Finished difference Result 2298 states and 4090 transitions. [2021-01-06 18:45:57,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:45:57,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2021-01-06 18:45:57,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:57,124 INFO L225 Difference]: With dead ends: 2298 [2021-01-06 18:45:57,125 INFO L226 Difference]: Without dead ends: 1367 [2021-01-06 18:45:57,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:45:57,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2021-01-06 18:45:57,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1178. [2021-01-06 18:45:57,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1178 states. [2021-01-06 18:45:57,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 2102 transitions. [2021-01-06 18:45:57,239 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 2102 transitions. Word has length 69 [2021-01-06 18:45:57,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:57,239 INFO L481 AbstractCegarLoop]: Abstraction has 1178 states and 2102 transitions. [2021-01-06 18:45:57,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:45:57,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 2102 transitions. [2021-01-06 18:45:57,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:45:57,243 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:57,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:57,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 18:45:57,243 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:57,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:57,244 INFO L82 PathProgramCache]: Analyzing trace with hash 782357296, now seen corresponding path program 1 times [2021-01-06 18:45:57,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:57,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646190886] [2021-01-06 18:45:57,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:57,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:57,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646190886] [2021-01-06 18:45:57,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:57,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:45:57,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337314359] [2021-01-06 18:45:57,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:45:57,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:57,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:45:57,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:57,311 INFO L87 Difference]: Start difference. First operand 1178 states and 2102 transitions. Second operand 3 states. [2021-01-06 18:45:57,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:57,439 INFO L93 Difference]: Finished difference Result 3172 states and 5685 transitions. [2021-01-06 18:45:57,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:45:57,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2021-01-06 18:45:57,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:57,452 INFO L225 Difference]: With dead ends: 3172 [2021-01-06 18:45:57,456 INFO L226 Difference]: Without dead ends: 2091 [2021-01-06 18:45:57,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:57,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2021-01-06 18:45:57,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 1902. [2021-01-06 18:45:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1902 states. [2021-01-06 18:45:57,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 3421 transitions. [2021-01-06 18:45:57,585 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 3421 transitions. Word has length 69 [2021-01-06 18:45:57,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:57,586 INFO L481 AbstractCegarLoop]: Abstraction has 1902 states and 3421 transitions. [2021-01-06 18:45:57,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:45:57,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 3421 transitions. [2021-01-06 18:45:57,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:45:57,591 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:57,591 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:57,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:45:57,591 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:57,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:57,592 INFO L82 PathProgramCache]: Analyzing trace with hash 570724387, now seen corresponding path program 1 times [2021-01-06 18:45:57,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:57,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033210773] [2021-01-06 18:45:57,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:57,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:57,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033210773] [2021-01-06 18:45:57,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:57,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:45:57,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378326199] [2021-01-06 18:45:57,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:45:57,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:57,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:45:57,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:57,678 INFO L87 Difference]: Start difference. First operand 1902 states and 3421 transitions. Second operand 3 states. [2021-01-06 18:45:57,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:57,892 INFO L93 Difference]: Finished difference Result 5080 states and 9161 transitions. [2021-01-06 18:45:57,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:45:57,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2021-01-06 18:45:57,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:57,911 INFO L225 Difference]: With dead ends: 5080 [2021-01-06 18:45:57,912 INFO L226 Difference]: Without dead ends: 3309 [2021-01-06 18:45:57,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:57,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3309 states. [2021-01-06 18:45:58,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3309 to 3120. [2021-01-06 18:45:58,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3120 states. [2021-01-06 18:45:58,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 3120 states and 5634 transitions. [2021-01-06 18:45:58,106 INFO L78 Accepts]: Start accepts. Automaton has 3120 states and 5634 transitions. Word has length 70 [2021-01-06 18:45:58,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:58,107 INFO L481 AbstractCegarLoop]: Abstraction has 3120 states and 5634 transitions. [2021-01-06 18:45:58,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:45:58,107 INFO L276 IsEmpty]: Start isEmpty. Operand 3120 states and 5634 transitions. [2021-01-06 18:45:58,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:45:58,112 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:58,112 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:58,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:45:58,113 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:58,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:58,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1012814657, now seen corresponding path program 1 times [2021-01-06 18:45:58,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:58,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028870151] [2021-01-06 18:45:58,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:58,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:58,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028870151] [2021-01-06 18:45:58,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:58,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:45:58,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052286420] [2021-01-06 18:45:58,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:45:58,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:58,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:45:58,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:58,183 INFO L87 Difference]: Start difference. First operand 3120 states and 5634 transitions. Second operand 3 states. [2021-01-06 18:45:58,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:58,567 INFO L93 Difference]: Finished difference Result 8450 states and 15283 transitions. [2021-01-06 18:45:58,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:45:58,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2021-01-06 18:45:58,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:58,601 INFO L225 Difference]: With dead ends: 8450 [2021-01-06 18:45:58,601 INFO L226 Difference]: Without dead ends: 5495 [2021-01-06 18:45:58,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:58,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5495 states. [2021-01-06 18:45:58,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5495 to 5306. [2021-01-06 18:45:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5306 states. [2021-01-06 18:45:58,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5306 states to 5306 states and 9595 transitions. [2021-01-06 18:45:58,948 INFO L78 Accepts]: Start accepts. Automaton has 5306 states and 9595 transitions. Word has length 71 [2021-01-06 18:45:58,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:58,948 INFO L481 AbstractCegarLoop]: Abstraction has 5306 states and 9595 transitions. [2021-01-06 18:45:58,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:45:58,949 INFO L276 IsEmpty]: Start isEmpty. Operand 5306 states and 9595 transitions. [2021-01-06 18:45:58,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:45:58,955 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:58,955 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:58,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:45:58,956 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:58,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:58,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1955340901, now seen corresponding path program 1 times [2021-01-06 18:45:58,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:58,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845860647] [2021-01-06 18:45:58,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:45:59,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845860647] [2021-01-06 18:45:59,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:59,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:45:59,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677272838] [2021-01-06 18:45:59,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:45:59,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:59,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:45:59,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:45:59,057 INFO L87 Difference]: Start difference. First operand 5306 states and 9595 transitions. Second operand 5 states. [2021-01-06 18:45:59,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:59,937 INFO L93 Difference]: Finished difference Result 15137 states and 27402 transitions. [2021-01-06 18:45:59,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:45:59,938 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2021-01-06 18:45:59,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:59,995 INFO L225 Difference]: With dead ends: 15137 [2021-01-06 18:45:59,995 INFO L226 Difference]: Without dead ends: 10078 [2021-01-06 18:46:00,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:46:00,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10078 states. [2021-01-06 18:46:00,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10078 to 5306. [2021-01-06 18:46:00,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5306 states. [2021-01-06 18:46:00,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5306 states to 5306 states and 9545 transitions. [2021-01-06 18:46:00,480 INFO L78 Accepts]: Start accepts. Automaton has 5306 states and 9545 transitions. Word has length 72 [2021-01-06 18:46:00,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:00,481 INFO L481 AbstractCegarLoop]: Abstraction has 5306 states and 9545 transitions. [2021-01-06 18:46:00,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:00,481 INFO L276 IsEmpty]: Start isEmpty. Operand 5306 states and 9545 transitions. [2021-01-06 18:46:00,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:46:00,487 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:00,488 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:00,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:46:00,488 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:00,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:00,489 INFO L82 PathProgramCache]: Analyzing trace with hash -998920620, now seen corresponding path program 1 times [2021-01-06 18:46:00,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:00,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128541244] [2021-01-06 18:46:00,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:00,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128541244] [2021-01-06 18:46:00,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:00,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:00,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347453086] [2021-01-06 18:46:00,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:00,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:00,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:00,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:00,554 INFO L87 Difference]: Start difference. First operand 5306 states and 9545 transitions. Second operand 3 states. [2021-01-06 18:46:01,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:01,131 INFO L93 Difference]: Finished difference Result 15334 states and 27630 transitions. [2021-01-06 18:46:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:01,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2021-01-06 18:46:01,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:01,160 INFO L225 Difference]: With dead ends: 15334 [2021-01-06 18:46:01,161 INFO L226 Difference]: Without dead ends: 10201 [2021-01-06 18:46:01,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:01,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10201 states. [2021-01-06 18:46:01,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10201 to 10012. [2021-01-06 18:46:01,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10012 states. [2021-01-06 18:46:01,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10012 states to 10012 states and 18026 transitions. [2021-01-06 18:46:01,875 INFO L78 Accepts]: Start accepts. Automaton has 10012 states and 18026 transitions. Word has length 72 [2021-01-06 18:46:01,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:01,875 INFO L481 AbstractCegarLoop]: Abstraction has 10012 states and 18026 transitions. [2021-01-06 18:46:01,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:01,876 INFO L276 IsEmpty]: Start isEmpty. Operand 10012 states and 18026 transitions. [2021-01-06 18:46:01,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 18:46:01,885 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:01,885 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:01,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:46:01,886 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:01,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:01,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1568381280, now seen corresponding path program 1 times [2021-01-06 18:46:01,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:01,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332186105] [2021-01-06 18:46:01,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:01,954 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:46:01,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332186105] [2021-01-06 18:46:01,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:01,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:46:01,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225952356] [2021-01-06 18:46:01,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:46:01,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:01,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:46:01,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:46:01,956 INFO L87 Difference]: Start difference. First operand 10012 states and 18026 transitions. Second operand 4 states. [2021-01-06 18:46:02,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:02,457 INFO L93 Difference]: Finished difference Result 10142 states and 18238 transitions. [2021-01-06 18:46:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:46:02,458 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 73 [2021-01-06 18:46:02,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:02,483 INFO L225 Difference]: With dead ends: 10142 [2021-01-06 18:46:02,483 INFO L226 Difference]: Without dead ends: 10012 [2021-01-06 18:46:02,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:02,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10012 states. [2021-01-06 18:46:03,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10012 to 10012. [2021-01-06 18:46:03,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10012 states. [2021-01-06 18:46:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10012 states to 10012 states and 18024 transitions. [2021-01-06 18:46:03,179 INFO L78 Accepts]: Start accepts. Automaton has 10012 states and 18024 transitions. Word has length 73 [2021-01-06 18:46:03,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:03,179 INFO L481 AbstractCegarLoop]: Abstraction has 10012 states and 18024 transitions. [2021-01-06 18:46:03,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:46:03,180 INFO L276 IsEmpty]: Start isEmpty. Operand 10012 states and 18024 transitions. [2021-01-06 18:46:03,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:46:03,192 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:03,192 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:03,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:46:03,192 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:03,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:03,193 INFO L82 PathProgramCache]: Analyzing trace with hash 239463891, now seen corresponding path program 1 times [2021-01-06 18:46:03,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:03,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661934010] [2021-01-06 18:46:03,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:03,323 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:46:03,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661934010] [2021-01-06 18:46:03,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:03,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:46:03,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160735999] [2021-01-06 18:46:03,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:03,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:03,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:03,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:03,329 INFO L87 Difference]: Start difference. First operand 10012 states and 18024 transitions. Second operand 5 states. [2021-01-06 18:46:04,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:04,012 INFO L93 Difference]: Finished difference Result 10745 states and 19208 transitions. [2021-01-06 18:46:04,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:46:04,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2021-01-06 18:46:04,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:04,039 INFO L225 Difference]: With dead ends: 10745 [2021-01-06 18:46:04,040 INFO L226 Difference]: Without dead ends: 10616 [2021-01-06 18:46:04,043 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 [2021-01-06 18:46:04,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10616 states. [2021-01-06 18:46:04,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10616 to 10125. [2021-01-06 18:46:04,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10125 states. [2021-01-06 18:46:04,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10125 states to 10125 states and 18206 transitions. [2021-01-06 18:46:04,774 INFO L78 Accepts]: Start accepts. Automaton has 10125 states and 18206 transitions. Word has length 76 [2021-01-06 18:46:04,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:04,775 INFO L481 AbstractCegarLoop]: Abstraction has 10125 states and 18206 transitions. [2021-01-06 18:46:04,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:04,775 INFO L276 IsEmpty]: Start isEmpty. Operand 10125 states and 18206 transitions. [2021-01-06 18:46:04,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:46:04,786 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:04,786 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:04,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:46:04,787 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:04,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:04,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1027017593, now seen corresponding path program 1 times [2021-01-06 18:46:04,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:04,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370501461] [2021-01-06 18:46:04,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:04,930 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:46:04,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370501461] [2021-01-06 18:46:04,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:04,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:46:04,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634484342] [2021-01-06 18:46:04,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:46:04,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:04,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:46:04,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:46:04,934 INFO L87 Difference]: Start difference. First operand 10125 states and 18206 transitions. Second operand 9 states. [2021-01-06 18:46:05,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:05,808 INFO L93 Difference]: Finished difference Result 10480 states and 18778 transitions. [2021-01-06 18:46:05,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 18:46:05,809 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 77 [2021-01-06 18:46:05,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:05,871 INFO L225 Difference]: With dead ends: 10480 [2021-01-06 18:46:05,871 INFO L226 Difference]: Without dead ends: 10241 [2021-01-06 18:46:05,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2021-01-06 18:46:05,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10241 states. [2021-01-06 18:46:06,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10241 to 10105. [2021-01-06 18:46:06,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10105 states. [2021-01-06 18:46:06,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10105 states to 10105 states and 18169 transitions. [2021-01-06 18:46:06,713 INFO L78 Accepts]: Start accepts. Automaton has 10105 states and 18169 transitions. Word has length 77 [2021-01-06 18:46:06,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:06,714 INFO L481 AbstractCegarLoop]: Abstraction has 10105 states and 18169 transitions. [2021-01-06 18:46:06,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:46:06,714 INFO L276 IsEmpty]: Start isEmpty. Operand 10105 states and 18169 transitions. [2021-01-06 18:46:06,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-01-06 18:46:06,730 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:06,730 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:06,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:46:06,730 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:06,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:06,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1028265088, now seen corresponding path program 1 times [2021-01-06 18:46:06,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:06,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038584118] [2021-01-06 18:46:06,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:06,856 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:46:06,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038584118] [2021-01-06 18:46:06,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:06,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:46:06,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785772741] [2021-01-06 18:46:06,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:06,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:06,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:06,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:06,860 INFO L87 Difference]: Start difference. First operand 10105 states and 18169 transitions. Second operand 5 states. [2021-01-06 18:46:07,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:07,474 INFO L93 Difference]: Finished difference Result 11115 states and 19749 transitions. [2021-01-06 18:46:07,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:46:07,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2021-01-06 18:46:07,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:07,503 INFO L225 Difference]: With dead ends: 11115 [2021-01-06 18:46:07,503 INFO L226 Difference]: Without dead ends: 10868 [2021-01-06 18:46:07,506 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 [2021-01-06 18:46:07,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10868 states. [2021-01-06 18:46:08,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10868 to 10301. [2021-01-06 18:46:08,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10301 states. [2021-01-06 18:46:08,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10301 states to 10301 states and 18477 transitions. [2021-01-06 18:46:08,112 INFO L78 Accepts]: Start accepts. Automaton has 10301 states and 18477 transitions. Word has length 89 [2021-01-06 18:46:08,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:08,112 INFO L481 AbstractCegarLoop]: Abstraction has 10301 states and 18477 transitions. [2021-01-06 18:46:08,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 10301 states and 18477 transitions. [2021-01-06 18:46:08,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-01-06 18:46:08,129 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:08,129 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:08,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:46:08,130 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:08,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:08,130 INFO L82 PathProgramCache]: Analyzing trace with hash -365040217, now seen corresponding path program 1 times [2021-01-06 18:46:08,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:08,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252908262] [2021-01-06 18:46:08,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:08,309 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:46:08,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252908262] [2021-01-06 18:46:08,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:08,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:46:08,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155184279] [2021-01-06 18:46:08,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:46:08,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:08,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:46:08,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:46:08,311 INFO L87 Difference]: Start difference. First operand 10301 states and 18477 transitions. Second operand 9 states. [2021-01-06 18:46:09,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:09,205 INFO L93 Difference]: Finished difference Result 10809 states and 19280 transitions. [2021-01-06 18:46:09,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 18:46:09,205 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2021-01-06 18:46:09,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:09,230 INFO L225 Difference]: With dead ends: 10809 [2021-01-06 18:46:09,230 INFO L226 Difference]: Without dead ends: 10380 [2021-01-06 18:46:09,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2021-01-06 18:46:09,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10380 states. [2021-01-06 18:46:09,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10380 to 10192. [2021-01-06 18:46:09,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10192 states. [2021-01-06 18:46:09,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10192 states to 10192 states and 18297 transitions. [2021-01-06 18:46:09,775 INFO L78 Accepts]: Start accepts. Automaton has 10192 states and 18297 transitions. Word has length 90 [2021-01-06 18:46:09,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:09,775 INFO L481 AbstractCegarLoop]: Abstraction has 10192 states and 18297 transitions. [2021-01-06 18:46:09,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:46:09,775 INFO L276 IsEmpty]: Start isEmpty. Operand 10192 states and 18297 transitions. [2021-01-06 18:46:09,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-01-06 18:46:09,793 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:09,793 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:09,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:46:09,793 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:09,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:09,795 INFO L82 PathProgramCache]: Analyzing trace with hash -2043271433, now seen corresponding path program 1 times [2021-01-06 18:46:09,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:09,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886517206] [2021-01-06 18:46:09,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:09,946 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:46:09,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886517206] [2021-01-06 18:46:09,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:09,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:46:09,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943049661] [2021-01-06 18:46:09,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:46:09,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:09,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:46:09,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:46:09,950 INFO L87 Difference]: Start difference. First operand 10192 states and 18297 transitions. Second operand 10 states. [2021-01-06 18:46:11,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:11,881 INFO L93 Difference]: Finished difference Result 13186 states and 22894 transitions. [2021-01-06 18:46:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-01-06 18:46:11,881 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 92 [2021-01-06 18:46:11,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:11,919 INFO L225 Difference]: With dead ends: 13186 [2021-01-06 18:46:11,919 INFO L226 Difference]: Without dead ends: 12946 [2021-01-06 18:46:11,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=337, Invalid=923, Unknown=0, NotChecked=0, Total=1260 [2021-01-06 18:46:11,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12946 states. [2021-01-06 18:46:12,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12946 to 10372. [2021-01-06 18:46:12,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10372 states. [2021-01-06 18:46:12,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10372 states to 10372 states and 18569 transitions. [2021-01-06 18:46:12,552 INFO L78 Accepts]: Start accepts. Automaton has 10372 states and 18569 transitions. Word has length 92 [2021-01-06 18:46:12,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:12,552 INFO L481 AbstractCegarLoop]: Abstraction has 10372 states and 18569 transitions. [2021-01-06 18:46:12,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:46:12,552 INFO L276 IsEmpty]: Start isEmpty. Operand 10372 states and 18569 transitions. [2021-01-06 18:46:12,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-01-06 18:46:12,572 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:12,573 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:12,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:46:12,573 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:12,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:12,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1958149893, now seen corresponding path program 1 times [2021-01-06 18:46:12,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:12,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057346970] [2021-01-06 18:46:12,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:12,698 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:46:12,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057346970] [2021-01-06 18:46:12,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:12,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:46:12,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837768301] [2021-01-06 18:46:12,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:46:12,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:12,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:46:12,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:46:12,701 INFO L87 Difference]: Start difference. First operand 10372 states and 18569 transitions. Second operand 9 states. [2021-01-06 18:46:14,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:14,312 INFO L93 Difference]: Finished difference Result 13708 states and 23681 transitions. [2021-01-06 18:46:14,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-01-06 18:46:14,312 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2021-01-06 18:46:14,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:14,344 INFO L225 Difference]: With dead ends: 13708 [2021-01-06 18:46:14,344 INFO L226 Difference]: Without dead ends: 13349 [2021-01-06 18:46:14,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=306, Invalid=750, Unknown=0, NotChecked=0, Total=1056 [2021-01-06 18:46:14,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13349 states. [2021-01-06 18:46:14,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13349 to 10690. [2021-01-06 18:46:14,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10690 states. [2021-01-06 18:46:14,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10690 states to 10690 states and 19057 transitions. [2021-01-06 18:46:14,902 INFO L78 Accepts]: Start accepts. Automaton has 10690 states and 19057 transitions. Word has length 93 [2021-01-06 18:46:14,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:14,902 INFO L481 AbstractCegarLoop]: Abstraction has 10690 states and 19057 transitions. [2021-01-06 18:46:14,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:46:14,904 INFO L276 IsEmpty]: Start isEmpty. Operand 10690 states and 19057 transitions. [2021-01-06 18:46:14,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-01-06 18:46:14,918 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:14,918 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:14,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:46:14,919 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:14,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:14,919 INFO L82 PathProgramCache]: Analyzing trace with hash 643785745, now seen corresponding path program 1 times [2021-01-06 18:46:14,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:14,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210052546] [2021-01-06 18:46:14,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:46:15,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210052546] [2021-01-06 18:46:15,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:15,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:46:15,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434691246] [2021-01-06 18:46:15,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:15,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:15,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:15,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:15,014 INFO L87 Difference]: Start difference. First operand 10690 states and 19057 transitions. Second operand 5 states. [2021-01-06 18:46:16,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:16,224 INFO L93 Difference]: Finished difference Result 22950 states and 40466 transitions. [2021-01-06 18:46:16,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:46:16,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2021-01-06 18:46:16,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:16,270 INFO L225 Difference]: With dead ends: 22950 [2021-01-06 18:46:16,270 INFO L226 Difference]: Without dead ends: 22427 [2021-01-06 18:46:16,278 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 [2021-01-06 18:46:16,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22427 states. [2021-01-06 18:46:17,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22427 to 21108. [2021-01-06 18:46:17,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21108 states. [2021-01-06 18:46:17,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21108 states to 21108 states and 37644 transitions. [2021-01-06 18:46:17,434 INFO L78 Accepts]: Start accepts. Automaton has 21108 states and 37644 transitions. Word has length 93 [2021-01-06 18:46:17,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:17,434 INFO L481 AbstractCegarLoop]: Abstraction has 21108 states and 37644 transitions. [2021-01-06 18:46:17,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:17,434 INFO L276 IsEmpty]: Start isEmpty. Operand 21108 states and 37644 transitions. [2021-01-06 18:46:17,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-01-06 18:46:17,452 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:17,452 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:17,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:46:17,453 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:17,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:17,453 INFO L82 PathProgramCache]: Analyzing trace with hash 731777897, now seen corresponding path program 1 times [2021-01-06 18:46:17,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:17,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709426489] [2021-01-06 18:46:17,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:46:17,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709426489] [2021-01-06 18:46:17,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:17,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:46:17,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850812505] [2021-01-06 18:46:17,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:46:17,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:17,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:46:17,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:46:17,545 INFO L87 Difference]: Start difference. First operand 21108 states and 37644 transitions. Second operand 7 states. [2021-01-06 18:46:18,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:18,581 INFO L93 Difference]: Finished difference Result 23384 states and 41125 transitions. [2021-01-06 18:46:18,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:46:18,581 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2021-01-06 18:46:18,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:18,609 INFO L225 Difference]: With dead ends: 23384 [2021-01-06 18:46:18,609 INFO L226 Difference]: Without dead ends: 21869 [2021-01-06 18:46:18,618 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 [2021-01-06 18:46:18,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21869 states. [2021-01-06 18:46:19,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21869 to 21018. [2021-01-06 18:46:19,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21018 states. [2021-01-06 18:46:19,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21018 states to 21018 states and 37500 transitions. [2021-01-06 18:46:19,760 INFO L78 Accepts]: Start accepts. Automaton has 21018 states and 37500 transitions. Word has length 93 [2021-01-06 18:46:19,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:19,760 INFO L481 AbstractCegarLoop]: Abstraction has 21018 states and 37500 transitions. [2021-01-06 18:46:19,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:46:19,760 INFO L276 IsEmpty]: Start isEmpty. Operand 21018 states and 37500 transitions. [2021-01-06 18:46:19,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-01-06 18:46:19,775 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:19,775 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:19,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:46:19,776 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:19,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:19,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1162388372, now seen corresponding path program 1 times [2021-01-06 18:46:19,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:19,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489841591] [2021-01-06 18:46:19,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:19,853 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:46:19,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489841591] [2021-01-06 18:46:19,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:19,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:19,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590002682] [2021-01-06 18:46:19,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:46:19,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:19,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:46:19,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:46:19,855 INFO L87 Difference]: Start difference. First operand 21018 states and 37500 transitions. Second operand 4 states. [2021-01-06 18:46:22,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:22,069 INFO L93 Difference]: Finished difference Result 44345 states and 78514 transitions. [2021-01-06 18:46:22,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:46:22,069 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2021-01-06 18:46:22,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:22,127 INFO L225 Difference]: With dead ends: 44345 [2021-01-06 18:46:22,127 INFO L226 Difference]: Without dead ends: 43350 [2021-01-06 18:46:22,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:22,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43350 states. [2021-01-06 18:46:24,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43350 to 41756. [2021-01-06 18:46:24,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41756 states. [2021-01-06 18:46:24,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41756 states to 41756 states and 74534 transitions. [2021-01-06 18:46:24,267 INFO L78 Accepts]: Start accepts. Automaton has 41756 states and 74534 transitions. Word has length 94 [2021-01-06 18:46:24,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:24,267 INFO L481 AbstractCegarLoop]: Abstraction has 41756 states and 74534 transitions. [2021-01-06 18:46:24,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:46:24,268 INFO L276 IsEmpty]: Start isEmpty. Operand 41756 states and 74534 transitions. [2021-01-06 18:46:24,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-01-06 18:46:24,304 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:24,304 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:24,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:46:24,304 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:24,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:24,305 INFO L82 PathProgramCache]: Analyzing trace with hash 972332284, now seen corresponding path program 1 times [2021-01-06 18:46:24,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:24,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776887973] [2021-01-06 18:46:24,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:24,365 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:46:24,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776887973] [2021-01-06 18:46:24,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:24,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:46:24,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216332627] [2021-01-06 18:46:24,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:46:24,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:24,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:46:24,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:46:24,368 INFO L87 Difference]: Start difference. First operand 41756 states and 74534 transitions. Second operand 4 states. [2021-01-06 18:46:26,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:26,404 INFO L93 Difference]: Finished difference Result 43338 states and 76956 transitions. [2021-01-06 18:46:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:46:26,404 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2021-01-06 18:46:26,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:26,452 INFO L225 Difference]: With dead ends: 43338 [2021-01-06 18:46:26,452 INFO L226 Difference]: Without dead ends: 41343 [2021-01-06 18:46:26,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:26,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41343 states. [2021-01-06 18:46:28,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41343 to 40626. [2021-01-06 18:46:28,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40626 states. [2021-01-06 18:46:28,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40626 states to 40626 states and 72776 transitions. [2021-01-06 18:46:28,327 INFO L78 Accepts]: Start accepts. Automaton has 40626 states and 72776 transitions. Word has length 95 [2021-01-06 18:46:28,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:28,327 INFO L481 AbstractCegarLoop]: Abstraction has 40626 states and 72776 transitions. [2021-01-06 18:46:28,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:46:28,328 INFO L276 IsEmpty]: Start isEmpty. Operand 40626 states and 72776 transitions. [2021-01-06 18:46:28,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-06 18:46:28,370 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:28,370 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:28,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:46:28,370 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:28,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:28,371 INFO L82 PathProgramCache]: Analyzing trace with hash 874785487, now seen corresponding path program 1 times [2021-01-06 18:46:28,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:28,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536276746] [2021-01-06 18:46:28,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:28,448 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:46:28,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536276746] [2021-01-06 18:46:28,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:28,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:46:28,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834079104] [2021-01-06 18:46:28,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:28,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:28,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:28,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:28,450 INFO L87 Difference]: Start difference. First operand 40626 states and 72776 transitions. Second operand 5 states. [2021-01-06 18:46:32,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:32,058 INFO L93 Difference]: Finished difference Result 115236 states and 205855 transitions. [2021-01-06 18:46:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:46:32,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2021-01-06 18:46:32,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:32,180 INFO L225 Difference]: With dead ends: 115236 [2021-01-06 18:46:32,180 INFO L226 Difference]: Without dead ends: 74969 [2021-01-06 18:46:32,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:46:32,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74969 states. [2021-01-06 18:46:34,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74969 to 40626. [2021-01-06 18:46:34,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40626 states. [2021-01-06 18:46:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40626 states to 40626 states and 72647 transitions. [2021-01-06 18:46:34,737 INFO L78 Accepts]: Start accepts. Automaton has 40626 states and 72647 transitions. Word has length 103 [2021-01-06 18:46:34,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:34,737 INFO L481 AbstractCegarLoop]: Abstraction has 40626 states and 72647 transitions. [2021-01-06 18:46:34,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:34,741 INFO L276 IsEmpty]: Start isEmpty. Operand 40626 states and 72647 transitions. [2021-01-06 18:46:34,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-01-06 18:46:34,773 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:34,773 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:34,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 18:46:34,773 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:34,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:34,774 INFO L82 PathProgramCache]: Analyzing trace with hash 988316123, now seen corresponding path program 1 times [2021-01-06 18:46:34,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:34,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016586687] [2021-01-06 18:46:34,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:46:34,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016586687] [2021-01-06 18:46:34,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:34,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:46:34,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469622498] [2021-01-06 18:46:34,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:34,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:34,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:34,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:34,858 INFO L87 Difference]: Start difference. First operand 40626 states and 72647 transitions. Second operand 5 states. [2021-01-06 18:46:42,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:42,497 INFO L93 Difference]: Finished difference Result 197310 states and 352039 transitions. [2021-01-06 18:46:42,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:46:42,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2021-01-06 18:46:42,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:42,781 INFO L225 Difference]: With dead ends: 197310 [2021-01-06 18:46:42,781 INFO L226 Difference]: Without dead ends: 156805 [2021-01-06 18:46:42,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:46:43,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156805 states. [2021-01-06 18:46:48,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156805 to 82783. [2021-01-06 18:46:48,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82783 states. [2021-01-06 18:46:48,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82783 states to 82783 states and 145731 transitions. [2021-01-06 18:46:48,379 INFO L78 Accepts]: Start accepts. Automaton has 82783 states and 145731 transitions. Word has length 104 [2021-01-06 18:46:48,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:48,379 INFO L481 AbstractCegarLoop]: Abstraction has 82783 states and 145731 transitions. [2021-01-06 18:46:48,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:48,379 INFO L276 IsEmpty]: Start isEmpty. Operand 82783 states and 145731 transitions. [2021-01-06 18:46:48,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-01-06 18:46:48,451 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:48,451 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:48,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-01-06 18:46:48,452 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:48,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:48,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1380095325, now seen corresponding path program 1 times [2021-01-06 18:46:48,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:48,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021397797] [2021-01-06 18:46:48,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:48,538 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:46:48,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021397797] [2021-01-06 18:46:48,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:48,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:46:48,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068799846] [2021-01-06 18:46:48,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:48,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:48,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:48,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:48,545 INFO L87 Difference]: Start difference. First operand 82783 states and 145731 transitions. Second operand 5 states. [2021-01-06 18:47:03,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:03,347 INFO L93 Difference]: Finished difference Result 394134 states and 695965 transitions. [2021-01-06 18:47:03,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:47:03,348 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2021-01-06 18:47:03,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:04,275 INFO L225 Difference]: With dead ends: 394134 [2021-01-06 18:47:04,276 INFO L226 Difference]: Without dead ends: 311773 [2021-01-06 18:47:04,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:47:04,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311773 states. [2021-01-06 18:47:14,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311773 to 163202. [2021-01-06 18:47:14,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163202 states. [2021-01-06 18:47:14,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163202 states to 163202 states and 287797 transitions. [2021-01-06 18:47:14,469 INFO L78 Accepts]: Start accepts. Automaton has 163202 states and 287797 transitions. Word has length 104 [2021-01-06 18:47:14,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:14,470 INFO L481 AbstractCegarLoop]: Abstraction has 163202 states and 287797 transitions. [2021-01-06 18:47:14,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:47:14,470 INFO L276 IsEmpty]: Start isEmpty. Operand 163202 states and 287797 transitions. [2021-01-06 18:47:14,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 18:47:14,619 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:14,619 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:14,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-01-06 18:47:14,620 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:14,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:14,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1283740522, now seen corresponding path program 1 times [2021-01-06 18:47:14,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:14,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680132986] [2021-01-06 18:47:14,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:14,704 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:47:14,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680132986] [2021-01-06 18:47:14,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:14,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:47:14,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874939209] [2021-01-06 18:47:14,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:47:14,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:14,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:47:14,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:47:14,706 INFO L87 Difference]: Start difference. First operand 163202 states and 287797 transitions. Second operand 4 states. [2021-01-06 18:47:29,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:29,413 INFO L93 Difference]: Finished difference Result 455226 states and 804459 transitions. [2021-01-06 18:47:29,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:47:29,414 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2021-01-06 18:47:29,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:30,065 INFO L225 Difference]: With dead ends: 455226 [2021-01-06 18:47:30,065 INFO L226 Difference]: Without dead ends: 292886 [2021-01-06 18:47:30,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:47:30,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292886 states. [2021-01-06 18:47:40,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292886 to 161663. [2021-01-06 18:47:40,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161663 states. [2021-01-06 18:47:40,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161663 states to 161663 states and 284975 transitions. [2021-01-06 18:47:40,811 INFO L78 Accepts]: Start accepts. Automaton has 161663 states and 284975 transitions. Word has length 105 [2021-01-06 18:47:40,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:40,811 INFO L481 AbstractCegarLoop]: Abstraction has 161663 states and 284975 transitions. [2021-01-06 18:47:40,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:47:40,811 INFO L276 IsEmpty]: Start isEmpty. Operand 161663 states and 284975 transitions. [2021-01-06 18:47:40,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 18:47:40,946 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:40,946 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:40,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-01-06 18:47:40,946 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:40,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:40,947 INFO L82 PathProgramCache]: Analyzing trace with hash -221437674, now seen corresponding path program 1 times [2021-01-06 18:47:40,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:40,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109532404] [2021-01-06 18:47:40,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:41,025 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:47:41,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109532404] [2021-01-06 18:47:41,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:41,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:47:41,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226950512] [2021-01-06 18:47:41,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:47:41,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:41,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:47:41,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:47:41,028 INFO L87 Difference]: Start difference. First operand 161663 states and 284975 transitions. Second operand 4 states.