/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_spec0_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:39:58,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:39:58,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:39:58,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:39:58,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:39:58,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:39:58,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:39:58,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:39:58,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:39:58,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:39:58,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:39:58,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:39:58,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:39:58,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:39:58,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:39:58,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:39:58,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:39:58,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:39:58,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:39:58,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:39:58,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:39:58,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:39:58,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:39:58,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:39:58,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:39:58,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:39:58,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:39:58,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:39:58,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:39:58,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:39:58,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:39:58,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:39:58,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:39:58,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:39:58,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:39:58,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:39:58,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:39:58,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:39:58,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:39:58,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:39:58,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:39:58,227 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:39:58,274 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:39:58,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:39:58,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:39:58,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:39:58,280 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:39:58,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:39:58,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:39:58,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:39:58,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:39:58,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:39:58,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:39:58,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:39:58,283 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:39:58,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:39:58,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:39:58,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:39:58,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:39:58,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:39:58,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:39:58,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:39:58,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:39:58,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:39:58,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:39:58,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:39:58,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:39:58,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:39:58,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:39:58,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:39:58,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:39:58,783 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:39:58,784 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:39:58,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product16.cil.c [2020-12-23 08:39:58,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4295bd3d7/a1294a92d28e42d395de99f14974f4c7/FLAG1b7efc5ea [2020-12-23 08:39:59,782 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:39:59,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product16.cil.c [2020-12-23 08:39:59,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4295bd3d7/a1294a92d28e42d395de99f14974f4c7/FLAG1b7efc5ea [2020-12-23 08:39:59,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4295bd3d7/a1294a92d28e42d395de99f14974f4c7 [2020-12-23 08:39:59,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:39:59,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:39:59,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:39:59,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:39:59,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:39:59,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:39:59" (1/1) ... [2020-12-23 08:39:59,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539f37dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:39:59, skipping insertion in model container [2020-12-23 08:39:59,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:39:59" (1/1) ... [2020-12-23 08:39:59,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:40:00,049 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] [2020-12-23 08:40:00,386 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_spec0_product16.cil.c[7125,7138] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] 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_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~7,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_tmp3~2,] 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~10,] 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~11,] 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_tmp3~3,] 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_tmp3~4,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] [2020-12-23 08:40:00,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:40:00,791 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] [2020-12-23 08:40:00,822 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_spec0_product16.cil.c[7125,7138] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] 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_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~7,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_tmp3~2,] 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~10,] 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~11,] 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_tmp3~3,] 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_tmp3~4,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] [2020-12-23 08:40:00,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:40:01,144 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:40:01,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:01 WrapperNode [2020-12-23 08:40:01,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:40:01,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:40:01,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:40:01,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:40:01,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:01" (1/1) ... [2020-12-23 08:40:01,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:01" (1/1) ... [2020-12-23 08:40:01,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:40:01,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:40:01,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:40:01,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:40:01,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:01" (1/1) ... [2020-12-23 08:40:01,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:01" (1/1) ... [2020-12-23 08:40:01,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:01" (1/1) ... [2020-12-23 08:40:01,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:01" (1/1) ... [2020-12-23 08:40:01,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:01" (1/1) ... [2020-12-23 08:40:01,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:01" (1/1) ... [2020-12-23 08:40:01,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:01" (1/1) ... [2020-12-23 08:40:01,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:40:01,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:40:01,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:40:01,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:40:01,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:40:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:40:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:40:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:40:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:40:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:40:03,844 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:40:03,845 INFO L299 CfgBuilder]: Removed 295 assume(true) statements. [2020-12-23 08:40:03,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:40:03 BoogieIcfgContainer [2020-12-23 08:40:03,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:40:03,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:40:03,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:40:03,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:40:03,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:39:59" (1/3) ... [2020-12-23 08:40:03,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35efadad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:40:03, skipping insertion in model container [2020-12-23 08:40:03,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:40:01" (2/3) ... [2020-12-23 08:40:03,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35efadad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:40:03, skipping insertion in model container [2020-12-23 08:40:03,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:40:03" (3/3) ... [2020-12-23 08:40:03,859 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product16.cil.c [2020-12-23 08:40:03,868 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:40:03,875 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:40:03,899 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:40:03,935 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:40:03,935 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:40:03,936 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:40:03,936 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:40:03,936 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:40:03,936 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:40:03,936 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:40:03,937 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:40:03,965 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states. [2020-12-23 08:40:03,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 08:40:03,981 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:03,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:03,982 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:03,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:03,990 INFO L82 PathProgramCache]: Analyzing trace with hash 2111077188, now seen corresponding path program 1 times [2020-12-23 08:40:04,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:04,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706734352] [2020-12-23 08:40:04,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:04,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706734352] [2020-12-23 08:40:04,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:04,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:04,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979092426] [2020-12-23 08:40:04,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:04,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:04,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:04,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:04,535 INFO L87 Difference]: Start difference. First operand 447 states. Second operand 3 states. [2020-12-23 08:40:04,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:04,736 INFO L93 Difference]: Finished difference Result 1306 states and 2264 transitions. [2020-12-23 08:40:04,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:04,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-12-23 08:40:04,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:04,796 INFO L225 Difference]: With dead ends: 1306 [2020-12-23 08:40:04,797 INFO L226 Difference]: Without dead ends: 818 [2020-12-23 08:40:04,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:04,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2020-12-23 08:40:04,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 418. [2020-12-23 08:40:04,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-12-23 08:40:04,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 722 transitions. [2020-12-23 08:40:04,966 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 722 transitions. Word has length 54 [2020-12-23 08:40:04,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:04,967 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 722 transitions. [2020-12-23 08:40:04,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:04,967 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 722 transitions. [2020-12-23 08:40:04,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 08:40:04,979 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:04,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:04,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:40:04,981 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:04,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:04,983 INFO L82 PathProgramCache]: Analyzing trace with hash -41146153, now seen corresponding path program 1 times [2020-12-23 08:40:04,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:04,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965848466] [2020-12-23 08:40:04,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:05,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:05,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965848466] [2020-12-23 08:40:05,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:05,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:40:05,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644350509] [2020-12-23 08:40:05,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:40:05,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:05,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:40:05,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:40:05,203 INFO L87 Difference]: Start difference. First operand 418 states and 722 transitions. Second operand 5 states. [2020-12-23 08:40:05,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:05,431 INFO L93 Difference]: Finished difference Result 1203 states and 2082 transitions. [2020-12-23 08:40:05,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:40:05,432 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-12-23 08:40:05,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:05,437 INFO L225 Difference]: With dead ends: 1203 [2020-12-23 08:40:05,438 INFO L226 Difference]: Without dead ends: 804 [2020-12-23 08:40:05,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:40:05,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2020-12-23 08:40:05,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 418. [2020-12-23 08:40:05,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-12-23 08:40:05,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 721 transitions. [2020-12-23 08:40:05,465 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 721 transitions. Word has length 56 [2020-12-23 08:40:05,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:05,466 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 721 transitions. [2020-12-23 08:40:05,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:40:05,466 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 721 transitions. [2020-12-23 08:40:05,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 08:40:05,468 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:05,468 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:05,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:40:05,469 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:05,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:05,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1672431324, now seen corresponding path program 1 times [2020-12-23 08:40:05,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:05,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026787520] [2020-12-23 08:40:05,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:05,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:05,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026787520] [2020-12-23 08:40:05,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:05,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:05,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825806247] [2020-12-23 08:40:05,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:05,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:05,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:05,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:05,569 INFO L87 Difference]: Start difference. First operand 418 states and 721 transitions. Second operand 3 states. [2020-12-23 08:40:05,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:05,613 INFO L93 Difference]: Finished difference Result 818 states and 1416 transitions. [2020-12-23 08:40:05,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:05,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-12-23 08:40:05,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:05,617 INFO L225 Difference]: With dead ends: 818 [2020-12-23 08:40:05,617 INFO L226 Difference]: Without dead ends: 423 [2020-12-23 08:40:05,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:05,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-12-23 08:40:05,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 418. [2020-12-23 08:40:05,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-12-23 08:40:05,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 720 transitions. [2020-12-23 08:40:05,641 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 720 transitions. Word has length 57 [2020-12-23 08:40:05,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:05,649 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 720 transitions. [2020-12-23 08:40:05,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 720 transitions. [2020-12-23 08:40:05,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 08:40:05,652 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:05,652 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:05,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:40:05,653 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:05,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:05,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1605998614, now seen corresponding path program 1 times [2020-12-23 08:40:05,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:05,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461170351] [2020-12-23 08:40:05,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:05,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461170351] [2020-12-23 08:40:05,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:05,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:05,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767342529] [2020-12-23 08:40:05,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:05,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:05,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:05,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:05,788 INFO L87 Difference]: Start difference. First operand 418 states and 720 transitions. Second operand 3 states. [2020-12-23 08:40:05,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:05,830 INFO L93 Difference]: Finished difference Result 828 states and 1429 transitions. [2020-12-23 08:40:05,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:05,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-23 08:40:05,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:05,834 INFO L225 Difference]: With dead ends: 828 [2020-12-23 08:40:05,834 INFO L226 Difference]: Without dead ends: 418 [2020-12-23 08:40:05,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:05,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-12-23 08:40:05,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418. [2020-12-23 08:40:05,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-12-23 08:40:05,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 718 transitions. [2020-12-23 08:40:05,855 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 718 transitions. Word has length 58 [2020-12-23 08:40:05,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:05,857 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 718 transitions. [2020-12-23 08:40:05,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:05,858 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 718 transitions. [2020-12-23 08:40:05,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 08:40:05,860 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:05,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:05,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:40:05,861 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:05,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:05,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1073781631, now seen corresponding path program 1 times [2020-12-23 08:40:05,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:05,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476041325] [2020-12-23 08:40:05,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:05,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:05,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476041325] [2020-12-23 08:40:05,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:05,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:40:05,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51483550] [2020-12-23 08:40:05,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:40:05,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:06,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:40:06,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:40:06,002 INFO L87 Difference]: Start difference. First operand 418 states and 718 transitions. Second operand 5 states. [2020-12-23 08:40:06,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:06,188 INFO L93 Difference]: Finished difference Result 1193 states and 2062 transitions. [2020-12-23 08:40:06,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:40:06,189 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-12-23 08:40:06,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:06,195 INFO L225 Difference]: With dead ends: 1193 [2020-12-23 08:40:06,195 INFO L226 Difference]: Without dead ends: 802 [2020-12-23 08:40:06,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:40:06,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2020-12-23 08:40:06,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 418. [2020-12-23 08:40:06,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-12-23 08:40:06,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 717 transitions. [2020-12-23 08:40:06,225 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 717 transitions. Word has length 59 [2020-12-23 08:40:06,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:06,226 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 717 transitions. [2020-12-23 08:40:06,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:40:06,226 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 717 transitions. [2020-12-23 08:40:06,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 08:40:06,228 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:06,228 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] [2020-12-23 08:40:06,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:40:06,228 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:06,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:06,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1814021922, now seen corresponding path program 1 times [2020-12-23 08:40:06,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:06,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454533354] [2020-12-23 08:40:06,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:06,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454533354] [2020-12-23 08:40:06,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:06,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:40:06,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092357759] [2020-12-23 08:40:06,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:40:06,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:06,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:40:06,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:40:06,325 INFO L87 Difference]: Start difference. First operand 418 states and 717 transitions. Second operand 5 states. [2020-12-23 08:40:06,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:06,562 INFO L93 Difference]: Finished difference Result 1198 states and 2067 transitions. [2020-12-23 08:40:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:40:06,563 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-12-23 08:40:06,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:06,569 INFO L225 Difference]: With dead ends: 1198 [2020-12-23 08:40:06,569 INFO L226 Difference]: Without dead ends: 807 [2020-12-23 08:40:06,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:40:06,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2020-12-23 08:40:06,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 418. [2020-12-23 08:40:06,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-12-23 08:40:06,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 716 transitions. [2020-12-23 08:40:06,614 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 716 transitions. Word has length 60 [2020-12-23 08:40:06,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:06,615 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 716 transitions. [2020-12-23 08:40:06,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:40:06,615 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 716 transitions. [2020-12-23 08:40:06,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 08:40:06,617 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:06,617 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] [2020-12-23 08:40:06,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:40:06,618 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:06,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:06,623 INFO L82 PathProgramCache]: Analyzing trace with hash 2004599866, now seen corresponding path program 1 times [2020-12-23 08:40:06,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:06,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628789803] [2020-12-23 08:40:06,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:06,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:06,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628789803] [2020-12-23 08:40:06,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:06,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:06,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544755728] [2020-12-23 08:40:06,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:06,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:06,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:06,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:06,772 INFO L87 Difference]: Start difference. First operand 418 states and 716 transitions. Second operand 3 states. [2020-12-23 08:40:06,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:06,812 INFO L93 Difference]: Finished difference Result 598 states and 1008 transitions. [2020-12-23 08:40:06,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:06,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-12-23 08:40:06,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:06,816 INFO L225 Difference]: With dead ends: 598 [2020-12-23 08:40:06,816 INFO L226 Difference]: Without dead ends: 421 [2020-12-23 08:40:06,819 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:06,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-12-23 08:40:06,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 420. [2020-12-23 08:40:06,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-12-23 08:40:06,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 718 transitions. [2020-12-23 08:40:06,852 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 718 transitions. Word has length 61 [2020-12-23 08:40:06,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:06,854 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 718 transitions. [2020-12-23 08:40:06,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:06,855 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 718 transitions. [2020-12-23 08:40:06,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 08:40:06,856 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:06,856 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:06,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:40:06,857 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:06,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:06,857 INFO L82 PathProgramCache]: Analyzing trace with hash 165773496, now seen corresponding path program 1 times [2020-12-23 08:40:06,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:06,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210513832] [2020-12-23 08:40:06,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:06,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:06,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210513832] [2020-12-23 08:40:06,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:06,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:06,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215740794] [2020-12-23 08:40:06,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:06,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:06,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:06,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:06,941 INFO L87 Difference]: Start difference. First operand 420 states and 718 transitions. Second operand 3 states. [2020-12-23 08:40:07,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:07,005 INFO L93 Difference]: Finished difference Result 1146 states and 1978 transitions. [2020-12-23 08:40:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:07,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-12-23 08:40:07,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:07,010 INFO L225 Difference]: With dead ends: 1146 [2020-12-23 08:40:07,011 INFO L226 Difference]: Without dead ends: 757 [2020-12-23 08:40:07,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:07,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2020-12-23 08:40:07,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 580. [2020-12-23 08:40:07,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-12-23 08:40:07,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 1011 transitions. [2020-12-23 08:40:07,056 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 1011 transitions. Word has length 67 [2020-12-23 08:40:07,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:07,056 INFO L481 AbstractCegarLoop]: Abstraction has 580 states and 1011 transitions. [2020-12-23 08:40:07,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:07,057 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1011 transitions. [2020-12-23 08:40:07,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:40:07,061 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:07,061 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:07,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:40:07,063 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:07,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:07,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1457089257, now seen corresponding path program 1 times [2020-12-23 08:40:07,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:07,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751175072] [2020-12-23 08:40:07,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:07,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:07,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751175072] [2020-12-23 08:40:07,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769670534] [2020-12-23 08:40:07,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:40:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:07,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:40:07,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:40:07,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:07,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:40:07,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:40:07,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379815628] [2020-12-23 08:40:07,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:40:07,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:07,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:40:07,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:40:07,860 INFO L87 Difference]: Start difference. First operand 580 states and 1011 transitions. Second operand 5 states. [2020-12-23 08:40:07,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:07,967 INFO L93 Difference]: Finished difference Result 1150 states and 1981 transitions. [2020-12-23 08:40:07,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:40:07,967 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-12-23 08:40:07,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:07,974 INFO L225 Difference]: With dead ends: 1150 [2020-12-23 08:40:07,974 INFO L226 Difference]: Without dead ends: 973 [2020-12-23 08:40:07,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:40:07,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2020-12-23 08:40:08,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 794. [2020-12-23 08:40:08,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 794 states. [2020-12-23 08:40:08,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1401 transitions. [2020-12-23 08:40:08,046 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1401 transitions. Word has length 68 [2020-12-23 08:40:08,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:08,046 INFO L481 AbstractCegarLoop]: Abstraction has 794 states and 1401 transitions. [2020-12-23 08:40:08,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:40:08,046 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1401 transitions. [2020-12-23 08:40:08,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 08:40:08,048 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:08,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:08,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 08:40:08,265 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:08,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:08,265 INFO L82 PathProgramCache]: Analyzing trace with hash -2091517718, now seen corresponding path program 1 times [2020-12-23 08:40:08,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:08,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312984926] [2020-12-23 08:40:08,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:08,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:08,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312984926] [2020-12-23 08:40:08,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:08,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:08,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765260810] [2020-12-23 08:40:08,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:08,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:08,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:08,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:08,388 INFO L87 Difference]: Start difference. First operand 794 states and 1401 transitions. Second operand 3 states. [2020-12-23 08:40:08,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:08,487 INFO L93 Difference]: Finished difference Result 2048 states and 3627 transitions. [2020-12-23 08:40:08,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:08,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 08:40:08,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:08,496 INFO L225 Difference]: With dead ends: 2048 [2020-12-23 08:40:08,496 INFO L226 Difference]: Without dead ends: 1343 [2020-12-23 08:40:08,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:08,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2020-12-23 08:40:08,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1166. [2020-12-23 08:40:08,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1166 states. [2020-12-23 08:40:08,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 2079 transitions. [2020-12-23 08:40:08,579 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 2079 transitions. Word has length 74 [2020-12-23 08:40:08,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:08,579 INFO L481 AbstractCegarLoop]: Abstraction has 1166 states and 2079 transitions. [2020-12-23 08:40:08,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:08,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 2079 transitions. [2020-12-23 08:40:08,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:40:08,583 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:08,583 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, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:08,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:40:08,583 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:08,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:08,584 INFO L82 PathProgramCache]: Analyzing trace with hash -971669094, now seen corresponding path program 2 times [2020-12-23 08:40:08,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:08,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904260115] [2020-12-23 08:40:08,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:08,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904260115] [2020-12-23 08:40:08,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:08,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:08,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630588681] [2020-12-23 08:40:08,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:08,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:08,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:08,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:08,669 INFO L87 Difference]: Start difference. First operand 1166 states and 2079 transitions. Second operand 3 states. [2020-12-23 08:40:08,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:08,773 INFO L93 Difference]: Finished difference Result 2262 states and 4015 transitions. [2020-12-23 08:40:08,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:08,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-23 08:40:08,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:08,784 INFO L225 Difference]: With dead ends: 2262 [2020-12-23 08:40:08,784 INFO L226 Difference]: Without dead ends: 1343 [2020-12-23 08:40:08,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:08,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2020-12-23 08:40:08,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1166. [2020-12-23 08:40:08,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1166 states. [2020-12-23 08:40:08,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 2077 transitions. [2020-12-23 08:40:08,878 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 2077 transitions. Word has length 75 [2020-12-23 08:40:08,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:08,878 INFO L481 AbstractCegarLoop]: Abstraction has 1166 states and 2077 transitions. [2020-12-23 08:40:08,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:08,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 2077 transitions. [2020-12-23 08:40:08,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:40:08,882 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:08,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:08,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 08:40:08,882 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:08,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:08,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1362735737, now seen corresponding path program 1 times [2020-12-23 08:40:08,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:08,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807046307] [2020-12-23 08:40:08,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:08,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:08,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807046307] [2020-12-23 08:40:08,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:08,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:08,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253938429] [2020-12-23 08:40:08,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:08,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:08,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:08,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:08,987 INFO L87 Difference]: Start difference. First operand 1166 states and 2077 transitions. Second operand 3 states. [2020-12-23 08:40:09,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:09,118 INFO L93 Difference]: Finished difference Result 3136 states and 5610 transitions. [2020-12-23 08:40:09,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:09,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-23 08:40:09,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:09,131 INFO L225 Difference]: With dead ends: 3136 [2020-12-23 08:40:09,131 INFO L226 Difference]: Without dead ends: 2067 [2020-12-23 08:40:09,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:09,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2020-12-23 08:40:09,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 1890. [2020-12-23 08:40:09,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1890 states. [2020-12-23 08:40:09,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1890 states and 3396 transitions. [2020-12-23 08:40:09,251 INFO L78 Accepts]: Start accepts. Automaton has 1890 states and 3396 transitions. Word has length 75 [2020-12-23 08:40:09,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:09,252 INFO L481 AbstractCegarLoop]: Abstraction has 1890 states and 3396 transitions. [2020-12-23 08:40:09,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:09,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 3396 transitions. [2020-12-23 08:40:09,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 08:40:09,257 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:09,257 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:09,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:40:09,258 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:09,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:09,258 INFO L82 PathProgramCache]: Analyzing trace with hash -47600340, now seen corresponding path program 1 times [2020-12-23 08:40:09,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:09,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390603507] [2020-12-23 08:40:09,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:09,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390603507] [2020-12-23 08:40:09,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:09,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:09,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285968494] [2020-12-23 08:40:09,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:09,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:09,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:09,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:09,352 INFO L87 Difference]: Start difference. First operand 1890 states and 3396 transitions. Second operand 3 states. [2020-12-23 08:40:09,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:09,643 INFO L93 Difference]: Finished difference Result 5044 states and 9086 transitions. [2020-12-23 08:40:09,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:09,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-12-23 08:40:09,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:09,672 INFO L225 Difference]: With dead ends: 5044 [2020-12-23 08:40:09,672 INFO L226 Difference]: Without dead ends: 3285 [2020-12-23 08:40:09,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:09,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3285 states. [2020-12-23 08:40:09,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3285 to 3108. [2020-12-23 08:40:09,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3108 states. [2020-12-23 08:40:09,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 3108 states and 5609 transitions. [2020-12-23 08:40:09,972 INFO L78 Accepts]: Start accepts. Automaton has 3108 states and 5609 transitions. Word has length 76 [2020-12-23 08:40:09,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:09,973 INFO L481 AbstractCegarLoop]: Abstraction has 3108 states and 5609 transitions. [2020-12-23 08:40:09,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:09,973 INFO L276 IsEmpty]: Start isEmpty. Operand 3108 states and 5609 transitions. [2020-12-23 08:40:09,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 08:40:09,983 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:09,984 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:09,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:40:09,984 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:09,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:09,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1025498678, now seen corresponding path program 1 times [2020-12-23 08:40:09,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:09,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479403092] [2020-12-23 08:40:09,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:10,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:10,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479403092] [2020-12-23 08:40:10,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:10,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:10,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175282305] [2020-12-23 08:40:10,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:10,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:10,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:10,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:10,100 INFO L87 Difference]: Start difference. First operand 3108 states and 5609 transitions. Second operand 3 states. [2020-12-23 08:40:10,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:10,451 INFO L93 Difference]: Finished difference Result 8414 states and 15208 transitions. [2020-12-23 08:40:10,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:10,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-23 08:40:10,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:10,491 INFO L225 Difference]: With dead ends: 8414 [2020-12-23 08:40:10,492 INFO L226 Difference]: Without dead ends: 5471 [2020-12-23 08:40:10,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:10,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5471 states. [2020-12-23 08:40:10,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5471 to 5294. [2020-12-23 08:40:10,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5294 states. [2020-12-23 08:40:10,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5294 states to 5294 states and 9570 transitions. [2020-12-23 08:40:10,894 INFO L78 Accepts]: Start accepts. Automaton has 5294 states and 9570 transitions. Word has length 77 [2020-12-23 08:40:10,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:10,894 INFO L481 AbstractCegarLoop]: Abstraction has 5294 states and 9570 transitions. [2020-12-23 08:40:10,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:10,894 INFO L276 IsEmpty]: Start isEmpty. Operand 5294 states and 9570 transitions. [2020-12-23 08:40:10,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:40:10,903 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:10,903 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] [2020-12-23 08:40:10,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:40:10,904 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:10,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:10,905 INFO L82 PathProgramCache]: Analyzing trace with hash -6879762, now seen corresponding path program 1 times [2020-12-23 08:40:10,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:10,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46066919] [2020-12-23 08:40:10,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:11,008 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:40:11,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46066919] [2020-12-23 08:40:11,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:11,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:40:11,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610814547] [2020-12-23 08:40:11,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:40:11,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:11,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:40:11,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:40:11,013 INFO L87 Difference]: Start difference. First operand 5294 states and 9570 transitions. Second operand 5 states. [2020-12-23 08:40:11,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:11,821 INFO L93 Difference]: Finished difference Result 15101 states and 27327 transitions. [2020-12-23 08:40:11,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:40:11,822 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2020-12-23 08:40:11,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:11,866 INFO L225 Difference]: With dead ends: 15101 [2020-12-23 08:40:11,867 INFO L226 Difference]: Without dead ends: 10054 [2020-12-23 08:40:11,878 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:40:11,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10054 states. [2020-12-23 08:40:12,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10054 to 5294. [2020-12-23 08:40:12,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5294 states. [2020-12-23 08:40:12,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5294 states to 5294 states and 9520 transitions. [2020-12-23 08:40:12,426 INFO L78 Accepts]: Start accepts. Automaton has 5294 states and 9520 transitions. Word has length 78 [2020-12-23 08:40:12,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:12,427 INFO L481 AbstractCegarLoop]: Abstraction has 5294 states and 9520 transitions. [2020-12-23 08:40:12,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:40:12,427 INFO L276 IsEmpty]: Start isEmpty. Operand 5294 states and 9520 transitions. [2020-12-23 08:40:12,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:40:12,439 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:12,439 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:12,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:40:12,439 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:12,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:12,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1641915037, now seen corresponding path program 1 times [2020-12-23 08:40:12,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:12,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576760571] [2020-12-23 08:40:12,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:12,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576760571] [2020-12-23 08:40:12,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:12,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:12,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233214269] [2020-12-23 08:40:12,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:12,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:12,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:12,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:12,537 INFO L87 Difference]: Start difference. First operand 5294 states and 9520 transitions. Second operand 3 states. [2020-12-23 08:40:13,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:13,168 INFO L93 Difference]: Finished difference Result 15298 states and 27555 transitions. [2020-12-23 08:40:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:40:13,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-23 08:40:13,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:13,198 INFO L225 Difference]: With dead ends: 15298 [2020-12-23 08:40:13,199 INFO L226 Difference]: Without dead ends: 10177 [2020-12-23 08:40:13,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:13,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10177 states. [2020-12-23 08:40:13,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10177 to 10000. [2020-12-23 08:40:13,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10000 states. [2020-12-23 08:40:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10000 states to 10000 states and 18001 transitions. [2020-12-23 08:40:13,894 INFO L78 Accepts]: Start accepts. Automaton has 10000 states and 18001 transitions. Word has length 78 [2020-12-23 08:40:13,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:13,894 INFO L481 AbstractCegarLoop]: Abstraction has 10000 states and 18001 transitions. [2020-12-23 08:40:13,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:40:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 10000 states and 18001 transitions. [2020-12-23 08:40:13,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 08:40:13,906 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:13,907 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:13,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:40:13,907 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:13,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:13,908 INFO L82 PathProgramCache]: Analyzing trace with hash 911348905, now seen corresponding path program 1 times [2020-12-23 08:40:13,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:13,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641749457] [2020-12-23 08:40:13,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:14,048 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:40:14,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641749457] [2020-12-23 08:40:14,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:14,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:40:14,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546543176] [2020-12-23 08:40:14,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:40:14,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:14,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:40:14,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:40:14,051 INFO L87 Difference]: Start difference. First operand 10000 states and 18001 transitions. Second operand 9 states. [2020-12-23 08:40:16,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:16,467 INFO L93 Difference]: Finished difference Result 20870 states and 37377 transitions. [2020-12-23 08:40:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 08:40:16,468 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-12-23 08:40:16,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:16,540 INFO L225 Difference]: With dead ends: 20870 [2020-12-23 08:40:16,540 INFO L226 Difference]: Without dead ends: 20713 [2020-12-23 08:40:16,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2020-12-23 08:40:16,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20713 states. [2020-12-23 08:40:17,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20713 to 19825. [2020-12-23 08:40:17,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19825 states. [2020-12-23 08:40:17,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19825 states to 19825 states and 35714 transitions. [2020-12-23 08:40:17,886 INFO L78 Accepts]: Start accepts. Automaton has 19825 states and 35714 transitions. Word has length 79 [2020-12-23 08:40:17,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:17,886 INFO L481 AbstractCegarLoop]: Abstraction has 19825 states and 35714 transitions. [2020-12-23 08:40:17,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:40:17,887 INFO L276 IsEmpty]: Start isEmpty. Operand 19825 states and 35714 transitions. [2020-12-23 08:40:17,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 08:40:17,908 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:17,909 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:17,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:40:17,909 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:17,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:17,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1598716969, now seen corresponding path program 1 times [2020-12-23 08:40:17,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:17,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354890238] [2020-12-23 08:40:17,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:18,037 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:40:18,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354890238] [2020-12-23 08:40:18,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:18,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:40:18,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917200361] [2020-12-23 08:40:18,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:40:18,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:18,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:40:18,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:40:18,043 INFO L87 Difference]: Start difference. First operand 19825 states and 35714 transitions. Second operand 6 states. [2020-12-23 08:40:19,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:19,204 INFO L93 Difference]: Finished difference Result 20176 states and 36282 transitions. [2020-12-23 08:40:19,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:40:19,204 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2020-12-23 08:40:19,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:19,276 INFO L225 Difference]: With dead ends: 20176 [2020-12-23 08:40:19,276 INFO L226 Difference]: Without dead ends: 19865 [2020-12-23 08:40:19,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:40:19,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19865 states. [2020-12-23 08:40:20,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19865 to 19807. [2020-12-23 08:40:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19807 states. [2020-12-23 08:40:20,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19807 states to 19807 states and 35674 transitions. [2020-12-23 08:40:20,913 INFO L78 Accepts]: Start accepts. Automaton has 19807 states and 35674 transitions. Word has length 80 [2020-12-23 08:40:20,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:20,913 INFO L481 AbstractCegarLoop]: Abstraction has 19807 states and 35674 transitions. [2020-12-23 08:40:20,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:40:20,913 INFO L276 IsEmpty]: Start isEmpty. Operand 19807 states and 35674 transitions. [2020-12-23 08:40:20,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 08:40:20,938 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:20,939 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:20,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:40:20,939 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:20,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:20,940 INFO L82 PathProgramCache]: Analyzing trace with hash -975815435, now seen corresponding path program 1 times [2020-12-23 08:40:20,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:20,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292503390] [2020-12-23 08:40:20,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:21,046 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:40:21,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292503390] [2020-12-23 08:40:21,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:21,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:21,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649035411] [2020-12-23 08:40:21,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:40:21,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:21,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:40:21,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:40:21,050 INFO L87 Difference]: Start difference. First operand 19807 states and 35674 transitions. Second operand 4 states. [2020-12-23 08:40:22,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:22,849 INFO L93 Difference]: Finished difference Result 30493 states and 54756 transitions. [2020-12-23 08:40:22,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:40:22,849 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2020-12-23 08:40:22,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:22,941 INFO L225 Difference]: With dead ends: 30493 [2020-12-23 08:40:22,942 INFO L226 Difference]: Without dead ends: 30247 [2020-12-23 08:40:22,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:40:22,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30247 states. [2020-12-23 08:40:24,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30247 to 29664. [2020-12-23 08:40:24,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29664 states. [2020-12-23 08:40:24,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29664 states to 29664 states and 53424 transitions. [2020-12-23 08:40:24,869 INFO L78 Accepts]: Start accepts. Automaton has 29664 states and 53424 transitions. Word has length 80 [2020-12-23 08:40:24,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:24,870 INFO L481 AbstractCegarLoop]: Abstraction has 29664 states and 53424 transitions. [2020-12-23 08:40:24,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:40:24,870 INFO L276 IsEmpty]: Start isEmpty. Operand 29664 states and 53424 transitions. [2020-12-23 08:40:24,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 08:40:24,899 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:24,900 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:24,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:40:24,900 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:24,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:24,901 INFO L82 PathProgramCache]: Analyzing trace with hash -913775821, now seen corresponding path program 1 times [2020-12-23 08:40:24,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:24,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552076678] [2020-12-23 08:40:24,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:25,047 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:40:25,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552076678] [2020-12-23 08:40:25,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:25,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:40:25,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360140699] [2020-12-23 08:40:25,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:40:25,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:25,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:40:25,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:40:25,051 INFO L87 Difference]: Start difference. First operand 29664 states and 53424 transitions. Second operand 9 states. [2020-12-23 08:40:27,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:27,355 INFO L93 Difference]: Finished difference Result 31913 states and 56910 transitions. [2020-12-23 08:40:27,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:40:27,355 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2020-12-23 08:40:27,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:27,437 INFO L225 Difference]: With dead ends: 31913 [2020-12-23 08:40:27,438 INFO L226 Difference]: Without dead ends: 31545 [2020-12-23 08:40:27,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2020-12-23 08:40:27,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31545 states. [2020-12-23 08:40:29,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31545 to 29828. [2020-12-23 08:40:29,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29828 states. [2020-12-23 08:40:29,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29828 states to 29828 states and 53668 transitions. [2020-12-23 08:40:29,411 INFO L78 Accepts]: Start accepts. Automaton has 29828 states and 53668 transitions. Word has length 80 [2020-12-23 08:40:29,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:29,411 INFO L481 AbstractCegarLoop]: Abstraction has 29828 states and 53668 transitions. [2020-12-23 08:40:29,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:40:29,412 INFO L276 IsEmpty]: Start isEmpty. Operand 29828 states and 53668 transitions. [2020-12-23 08:40:29,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 08:40:29,458 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:29,458 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:29,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:40:29,459 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:29,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:29,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1738541367, now seen corresponding path program 1 times [2020-12-23 08:40:29,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:29,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760518128] [2020-12-23 08:40:29,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:29,605 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:40:29,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760518128] [2020-12-23 08:40:29,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:29,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:40:29,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448683148] [2020-12-23 08:40:29,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:40:29,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:29,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:40:29,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:40:29,608 INFO L87 Difference]: Start difference. First operand 29828 states and 53668 transitions. Second operand 11 states. [2020-12-23 08:40:32,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:32,365 INFO L93 Difference]: Finished difference Result 32553 states and 57867 transitions. [2020-12-23 08:40:32,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-23 08:40:32,365 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 81 [2020-12-23 08:40:32,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:32,443 INFO L225 Difference]: With dead ends: 32553 [2020-12-23 08:40:32,443 INFO L226 Difference]: Without dead ends: 32146 [2020-12-23 08:40:32,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=466, Invalid=1340, Unknown=0, NotChecked=0, Total=1806 [2020-12-23 08:40:32,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32146 states. [2020-12-23 08:40:33,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32146 to 29966. [2020-12-23 08:40:33,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29966 states. [2020-12-23 08:40:33,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29966 states to 29966 states and 53896 transitions. [2020-12-23 08:40:33,969 INFO L78 Accepts]: Start accepts. Automaton has 29966 states and 53896 transitions. Word has length 81 [2020-12-23 08:40:33,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:33,970 INFO L481 AbstractCegarLoop]: Abstraction has 29966 states and 53896 transitions. [2020-12-23 08:40:33,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:40:33,970 INFO L276 IsEmpty]: Start isEmpty. Operand 29966 states and 53896 transitions. [2020-12-23 08:40:33,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 08:40:33,995 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:33,995 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:33,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:40:33,995 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:33,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:33,996 INFO L82 PathProgramCache]: Analyzing trace with hash 641893999, now seen corresponding path program 1 times [2020-12-23 08:40:33,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:33,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762865806] [2020-12-23 08:40:33,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:34,077 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:40:34,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762865806] [2020-12-23 08:40:34,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:34,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:40:34,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974001045] [2020-12-23 08:40:34,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:40:34,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:34,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:40:34,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:40:34,079 INFO L87 Difference]: Start difference. First operand 29966 states and 53896 transitions. Second operand 6 states. [2020-12-23 08:40:35,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:35,558 INFO L93 Difference]: Finished difference Result 32008 states and 57068 transitions. [2020-12-23 08:40:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 08:40:35,559 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 81 [2020-12-23 08:40:35,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:35,610 INFO L225 Difference]: With dead ends: 32008 [2020-12-23 08:40:35,611 INFO L226 Difference]: Without dead ends: 31313 [2020-12-23 08:40:35,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:40:35,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31313 states. [2020-12-23 08:40:36,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31313 to 30117. [2020-12-23 08:40:36,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30117 states. [2020-12-23 08:40:36,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30117 states to 30117 states and 54143 transitions. [2020-12-23 08:40:36,853 INFO L78 Accepts]: Start accepts. Automaton has 30117 states and 54143 transitions. Word has length 81 [2020-12-23 08:40:36,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:36,853 INFO L481 AbstractCegarLoop]: Abstraction has 30117 states and 54143 transitions. [2020-12-23 08:40:36,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:40:36,854 INFO L276 IsEmpty]: Start isEmpty. Operand 30117 states and 54143 transitions. [2020-12-23 08:40:36,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 08:40:36,869 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:36,869 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:36,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:40:36,870 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:36,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:36,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1943723824, now seen corresponding path program 1 times [2020-12-23 08:40:36,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:36,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46207242] [2020-12-23 08:40:36,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:36,957 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:40:36,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46207242] [2020-12-23 08:40:36,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:36,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:40:36,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509518839] [2020-12-23 08:40:36,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:40:36,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:36,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:40:36,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:40:36,960 INFO L87 Difference]: Start difference. First operand 30117 states and 54143 transitions. Second operand 7 states. [2020-12-23 08:40:38,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:38,649 INFO L93 Difference]: Finished difference Result 32276 states and 57538 transitions. [2020-12-23 08:40:38,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 08:40:38,649 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2020-12-23 08:40:38,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:38,692 INFO L225 Difference]: With dead ends: 32276 [2020-12-23 08:40:38,692 INFO L226 Difference]: Without dead ends: 31514 [2020-12-23 08:40:38,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-12-23 08:40:38,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31514 states. [2020-12-23 08:40:39,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31514 to 30117. [2020-12-23 08:40:39,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30117 states. [2020-12-23 08:40:40,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30117 states to 30117 states and 54136 transitions. [2020-12-23 08:40:40,018 INFO L78 Accepts]: Start accepts. Automaton has 30117 states and 54136 transitions. Word has length 81 [2020-12-23 08:40:40,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:40,018 INFO L481 AbstractCegarLoop]: Abstraction has 30117 states and 54136 transitions. [2020-12-23 08:40:40,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:40:40,019 INFO L276 IsEmpty]: Start isEmpty. Operand 30117 states and 54136 transitions. [2020-12-23 08:40:40,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 08:40:40,035 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:40,036 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:40,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:40:40,036 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:40,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:40,036 INFO L82 PathProgramCache]: Analyzing trace with hash -263772681, now seen corresponding path program 1 times [2020-12-23 08:40:40,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:40,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457117414] [2020-12-23 08:40:40,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:40,151 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:40:40,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457117414] [2020-12-23 08:40:40,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:40,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:40:40,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093718313] [2020-12-23 08:40:40,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:40:40,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:40,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:40:40,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:40:40,154 INFO L87 Difference]: Start difference. First operand 30117 states and 54136 transitions. Second operand 5 states. [2020-12-23 08:40:42,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:42,377 INFO L93 Difference]: Finished difference Result 60875 states and 109210 transitions. [2020-12-23 08:40:42,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:40:42,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-23 08:40:42,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:42,474 INFO L225 Difference]: With dead ends: 60875 [2020-12-23 08:40:42,475 INFO L226 Difference]: Without dead ends: 60394 [2020-12-23 08:40:42,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:40:42,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60394 states. [2020-12-23 08:40:45,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60394 to 59813. [2020-12-23 08:40:45,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59813 states. [2020-12-23 08:40:45,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59813 states to 59813 states and 107541 transitions. [2020-12-23 08:40:45,289 INFO L78 Accepts]: Start accepts. Automaton has 59813 states and 107541 transitions. Word has length 82 [2020-12-23 08:40:45,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:45,289 INFO L481 AbstractCegarLoop]: Abstraction has 59813 states and 107541 transitions. [2020-12-23 08:40:45,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:40:45,289 INFO L276 IsEmpty]: Start isEmpty. Operand 59813 states and 107541 transitions. [2020-12-23 08:40:45,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 08:40:45,323 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:45,323 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:45,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:40:45,324 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:45,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:45,324 INFO L82 PathProgramCache]: Analyzing trace with hash -88109685, now seen corresponding path program 1 times [2020-12-23 08:40:45,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:45,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217912028] [2020-12-23 08:40:45,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:45,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:45,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217912028] [2020-12-23 08:40:45,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468117388] [2020-12-23 08:40:45,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:40:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:45,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 08:40:45,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:40:45,934 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:45,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:40:45,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2020-12-23 08:40:45,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302993189] [2020-12-23 08:40:45,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:40:45,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:45,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:40:45,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:40:45,937 INFO L87 Difference]: Start difference. First operand 59813 states and 107541 transitions. Second operand 10 states. [2020-12-23 08:40:46,953 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-23 08:40:51,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:40:51,740 INFO L93 Difference]: Finished difference Result 81038 states and 141452 transitions. [2020-12-23 08:40:51,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-12-23 08:40:51,741 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 82 [2020-12-23 08:40:51,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:40:51,866 INFO L225 Difference]: With dead ends: 81038 [2020-12-23 08:40:51,866 INFO L226 Difference]: Without dead ends: 79059 [2020-12-23 08:40:51,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=288, Invalid=1044, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 08:40:51,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79059 states. [2020-12-23 08:40:55,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79059 to 64995. [2020-12-23 08:40:55,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64995 states. [2020-12-23 08:40:55,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64995 states to 64995 states and 116462 transitions. [2020-12-23 08:40:55,386 INFO L78 Accepts]: Start accepts. Automaton has 64995 states and 116462 transitions. Word has length 82 [2020-12-23 08:40:55,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:40:55,387 INFO L481 AbstractCegarLoop]: Abstraction has 64995 states and 116462 transitions. [2020-12-23 08:40:55,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:40:55,387 INFO L276 IsEmpty]: Start isEmpty. Operand 64995 states and 116462 transitions. [2020-12-23 08:40:55,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 08:40:55,436 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:40:55,436 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:40:55,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-12-23 08:40:55,651 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:40:55,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:40:55,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1074613758, now seen corresponding path program 1 times [2020-12-23 08:40:55,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:40:55,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168119014] [2020-12-23 08:40:55,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:40:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:40:55,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:40:55,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168119014] [2020-12-23 08:40:55,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:40:55,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:40:55,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472450542] [2020-12-23 08:40:55,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:40:55,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:40:55,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:40:55,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:40:55,779 INFO L87 Difference]: Start difference. First operand 64995 states and 116462 transitions. Second operand 3 states. [2020-12-23 08:41:01,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:01,244 INFO L93 Difference]: Finished difference Result 186836 states and 335357 transitions. [2020-12-23 08:41:01,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:01,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-12-23 08:41:01,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:01,654 INFO L225 Difference]: With dead ends: 186836 [2020-12-23 08:41:01,654 INFO L226 Difference]: Without dead ends: 124134 [2020-12-23 08:41:01,737 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:01,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124134 states. [2020-12-23 08:41:07,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124134 to 120877. [2020-12-23 08:41:07,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120877 states. [2020-12-23 08:41:07,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120877 states to 120877 states and 217354 transitions. [2020-12-23 08:41:07,532 INFO L78 Accepts]: Start accepts. Automaton has 120877 states and 217354 transitions. Word has length 83 [2020-12-23 08:41:07,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:41:07,532 INFO L481 AbstractCegarLoop]: Abstraction has 120877 states and 217354 transitions. [2020-12-23 08:41:07,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:41:07,532 INFO L276 IsEmpty]: Start isEmpty. Operand 120877 states and 217354 transitions. [2020-12-23 08:41:07,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 08:41:07,589 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:41:07,589 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:41:07,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:41:07,589 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:41:07,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:41:07,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1175139599, now seen corresponding path program 1 times [2020-12-23 08:41:07,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:41:07,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505097821] [2020-12-23 08:41:07,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:41:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:41:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:41:07,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505097821] [2020-12-23 08:41:07,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:41:07,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:41:07,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122600526] [2020-12-23 08:41:07,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:41:07,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:41:07,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:41:07,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:07,924 INFO L87 Difference]: Start difference. First operand 120877 states and 217354 transitions. Second operand 3 states. [2020-12-23 08:41:17,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:41:17,525 INFO L93 Difference]: Finished difference Result 354942 states and 638392 transitions. [2020-12-23 08:41:17,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:41:17,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-23 08:41:17,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:41:18,116 INFO L225 Difference]: With dead ends: 354942 [2020-12-23 08:41:18,116 INFO L226 Difference]: Without dead ends: 236662 [2020-12-23 08:41:18,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:41:18,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236662 states.