/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_spec4_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:54:58,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:54:58,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:54:58,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:54:58,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:54:58,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:54:58,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:54:58,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:54:58,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:54:58,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:54:58,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:54:58,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:54:58,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:54:58,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:54:58,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:54:58,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:54:58,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:54:58,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:54:58,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:54:58,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:54:58,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:54:58,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:54:58,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:54:58,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:54:58,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:54:58,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:54:58,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:54:58,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:54:58,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:54:58,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:54:58,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:54:58,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:54:58,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:54:58,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:54:58,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:54:58,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:54:58,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:54:58,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:54:58,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:54:58,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:54:58,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:54:58,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:54:58,347 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:54:58,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:54:58,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:54:58,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:54:58,349 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:54:58,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:54:58,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:54:58,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:54:58,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:54:58,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:54:58,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:54:58,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:54:58,351 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:54:58,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:54:58,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:54:58,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:54:58,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:54:58,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:54:58,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:54:58,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:54:58,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:54:58,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:54:58,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:54:58,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:54:58,355 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:54:58,355 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:54:58,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:54:58,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:54:58,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:54:58,859 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:54:58,860 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:54:58,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product33.cil.c [2021-01-06 18:54:58,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7792c148f/92917038b7024cdd866e3fe90aae650a/FLAGfc14cbdd3 [2021-01-06 18:54:59,762 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:54:59,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product33.cil.c [2021-01-06 18:54:59,791 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7792c148f/92917038b7024cdd866e3fe90aae650a/FLAGfc14cbdd3 [2021-01-06 18:54:59,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7792c148f/92917038b7024cdd866e3fe90aae650a [2021-01-06 18:54:59,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:54:59,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:54:59,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:54:59,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:54:59,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:54:59,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:54:59" (1/1) ... [2021-01-06 18:54:59,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1430fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:54:59, skipping insertion in model container [2021-01-06 18:54:59,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:54:59" (1/1) ... [2021-01-06 18:54:59,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:55:00,104 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] [2021-01-06 18:55:00,464 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_spec4_product33.cil.c[10905,10918] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~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~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~18,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~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_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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~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_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~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_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~21,] 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~21,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~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[~__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~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[~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[~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[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] 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~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_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~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_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~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_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2021-01-06 18:55:01,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:55:01,038 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] [2021-01-06 18:55:01,075 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_spec4_product33.cil.c[10905,10918] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~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~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~18,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~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_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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~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_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~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_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~21,] 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~21,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~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[~__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~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[~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[~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[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] 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~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_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~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_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~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_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2021-01-06 18:55:01,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:55:01,301 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:55:01,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:55:01 WrapperNode [2021-01-06 18:55:01,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:55:01,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:55:01,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:55:01,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:55:01,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:55:01" (1/1) ... [2021-01-06 18:55:01,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:55:01" (1/1) ... [2021-01-06 18:55:01,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:55:01,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:55:01,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:55:01,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:55:01,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:55:01" (1/1) ... [2021-01-06 18:55:01,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:55:01" (1/1) ... [2021-01-06 18:55:01,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:55:01" (1/1) ... [2021-01-06 18:55:01,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:55:01" (1/1) ... [2021-01-06 18:55:01,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:55:01" (1/1) ... [2021-01-06 18:55:01,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:55:01" (1/1) ... [2021-01-06 18:55:01,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:55:01" (1/1) ... [2021-01-06 18:55:01,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:55:01,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:55:01,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:55:01,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:55:01,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:55:01" (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 [2021-01-06 18:55:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:55:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:55:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:55:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:55:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:55:04,800 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:55:04,801 INFO L299 CfgBuilder]: Removed 403 assume(true) statements. [2021-01-06 18:55:04,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:55:04 BoogieIcfgContainer [2021-01-06 18:55:04,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:55:04,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:55:04,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:55:04,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:55:04,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:54:59" (1/3) ... [2021-01-06 18:55:04,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@249ae703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:55:04, skipping insertion in model container [2021-01-06 18:55:04,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:55:01" (2/3) ... [2021-01-06 18:55:04,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@249ae703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:55:04, skipping insertion in model container [2021-01-06 18:55:04,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:55:04" (3/3) ... [2021-01-06 18:55:04,821 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product33.cil.c [2021-01-06 18:55:04,828 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:55:04,834 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 18:55:04,854 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 18:55:04,907 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:55:04,908 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:55:04,908 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:55:04,908 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:55:04,908 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:55:04,908 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:55:04,908 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:55:04,909 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:55:04,946 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states. [2021-01-06 18:55:04,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 18:55:04,960 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:04,961 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] [2021-01-06 18:55:04,962 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:04,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:04,968 INFO L82 PathProgramCache]: Analyzing trace with hash 817966853, now seen corresponding path program 1 times [2021-01-06 18:55:04,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:04,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90551279] [2021-01-06 18:55:04,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:05,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:05,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90551279] [2021-01-06 18:55:05,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:05,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:55:05,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985283402] [2021-01-06 18:55:05,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:55:05,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:05,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:55:05,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:05,528 INFO L87 Difference]: Start difference. First operand 595 states. Second operand 3 states. [2021-01-06 18:55:05,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:05,701 INFO L93 Difference]: Finished difference Result 1750 states and 3023 transitions. [2021-01-06 18:55:05,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:55:05,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2021-01-06 18:55:05,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:05,738 INFO L225 Difference]: With dead ends: 1750 [2021-01-06 18:55:05,738 INFO L226 Difference]: Without dead ends: 928 [2021-01-06 18:55:05,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:05,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2021-01-06 18:55:05,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 473. [2021-01-06 18:55:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2021-01-06 18:55:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 818 transitions. [2021-01-06 18:55:05,882 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 818 transitions. Word has length 47 [2021-01-06 18:55:05,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:05,883 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 818 transitions. [2021-01-06 18:55:05,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:55:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 818 transitions. [2021-01-06 18:55:05,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 18:55:05,892 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:05,892 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] [2021-01-06 18:55:05,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:55:05,894 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:05,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:05,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1558401234, now seen corresponding path program 1 times [2021-01-06 18:55:05,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:05,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111498616] [2021-01-06 18:55:05,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:06,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:06,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111498616] [2021-01-06 18:55:06,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:06,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:55:06,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123830091] [2021-01-06 18:55:06,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:55:06,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:06,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:55:06,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:55:06,182 INFO L87 Difference]: Start difference. First operand 473 states and 818 transitions. Second operand 5 states. [2021-01-06 18:55:06,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:06,404 INFO L93 Difference]: Finished difference Result 1368 states and 2370 transitions. [2021-01-06 18:55:06,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:55:06,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2021-01-06 18:55:06,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:06,412 INFO L225 Difference]: With dead ends: 1368 [2021-01-06 18:55:06,412 INFO L226 Difference]: Without dead ends: 914 [2021-01-06 18:55:06,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:55:06,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2021-01-06 18:55:06,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 473. [2021-01-06 18:55:06,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2021-01-06 18:55:06,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 817 transitions. [2021-01-06 18:55:06,447 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 817 transitions. Word has length 49 [2021-01-06 18:55:06,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:06,447 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 817 transitions. [2021-01-06 18:55:06,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:55:06,447 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 817 transitions. [2021-01-06 18:55:06,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 18:55:06,451 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:06,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:06,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:55:06,452 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:06,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:06,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1203555621, now seen corresponding path program 1 times [2021-01-06 18:55:06,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:06,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778108414] [2021-01-06 18:55:06,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:06,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778108414] [2021-01-06 18:55:06,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:06,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:55:06,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521079631] [2021-01-06 18:55:06,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:55:06,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:06,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:55:06,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:06,599 INFO L87 Difference]: Start difference. First operand 473 states and 817 transitions. Second operand 3 states. [2021-01-06 18:55:06,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:06,663 INFO L93 Difference]: Finished difference Result 928 states and 1608 transitions. [2021-01-06 18:55:06,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:55:06,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2021-01-06 18:55:06,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:06,670 INFO L225 Difference]: With dead ends: 928 [2021-01-06 18:55:06,670 INFO L226 Difference]: Without dead ends: 478 [2021-01-06 18:55:06,672 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:06,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2021-01-06 18:55:06,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 473. [2021-01-06 18:55:06,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2021-01-06 18:55:06,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 816 transitions. [2021-01-06 18:55:06,700 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 816 transitions. Word has length 50 [2021-01-06 18:55:06,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:06,708 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 816 transitions. [2021-01-06 18:55:06,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:55:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 816 transitions. [2021-01-06 18:55:06,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 18:55:06,710 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:06,710 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:06,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:55:06,711 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:06,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:06,711 INFO L82 PathProgramCache]: Analyzing trace with hash 354128159, now seen corresponding path program 1 times [2021-01-06 18:55:06,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:06,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946095042] [2021-01-06 18:55:06,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:06,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:06,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946095042] [2021-01-06 18:55:06,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:06,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:55:06,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129524211] [2021-01-06 18:55:06,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:55:06,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:06,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:55:06,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:06,826 INFO L87 Difference]: Start difference. First operand 473 states and 816 transitions. Second operand 3 states. [2021-01-06 18:55:06,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:06,874 INFO L93 Difference]: Finished difference Result 938 states and 1621 transitions. [2021-01-06 18:55:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:55:06,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-01-06 18:55:06,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:06,878 INFO L225 Difference]: With dead ends: 938 [2021-01-06 18:55:06,878 INFO L226 Difference]: Without dead ends: 473 [2021-01-06 18:55:06,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:06,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2021-01-06 18:55:06,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2021-01-06 18:55:06,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2021-01-06 18:55:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 814 transitions. [2021-01-06 18:55:06,903 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 814 transitions. Word has length 51 [2021-01-06 18:55:06,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:06,903 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 814 transitions. [2021-01-06 18:55:06,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:55:06,904 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 814 transitions. [2021-01-06 18:55:06,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-06 18:55:06,905 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:06,905 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:06,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:55:06,905 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:06,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:06,906 INFO L82 PathProgramCache]: Analyzing trace with hash -170849494, now seen corresponding path program 1 times [2021-01-06 18:55:06,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:06,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702842235] [2021-01-06 18:55:06,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:07,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:07,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702842235] [2021-01-06 18:55:07,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:07,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:55:07,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935822421] [2021-01-06 18:55:07,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:55:07,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:07,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:55:07,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:55:07,014 INFO L87 Difference]: Start difference. First operand 473 states and 814 transitions. Second operand 5 states. [2021-01-06 18:55:07,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:07,224 INFO L93 Difference]: Finished difference Result 1358 states and 2350 transitions. [2021-01-06 18:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:55:07,225 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2021-01-06 18:55:07,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:07,231 INFO L225 Difference]: With dead ends: 1358 [2021-01-06 18:55:07,231 INFO L226 Difference]: Without dead ends: 912 [2021-01-06 18:55:07,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:55:07,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2021-01-06 18:55:07,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 473. [2021-01-06 18:55:07,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2021-01-06 18:55:07,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 813 transitions. [2021-01-06 18:55:07,262 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 813 transitions. Word has length 52 [2021-01-06 18:55:07,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:07,262 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 813 transitions. [2021-01-06 18:55:07,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:55:07,263 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 813 transitions. [2021-01-06 18:55:07,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-06 18:55:07,264 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:07,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:07,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:55:07,264 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:07,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:07,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1396072679, now seen corresponding path program 1 times [2021-01-06 18:55:07,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:07,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108481021] [2021-01-06 18:55:07,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:07,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108481021] [2021-01-06 18:55:07,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:07,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:55:07,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831249787] [2021-01-06 18:55:07,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:55:07,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:07,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:55:07,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:55:07,348 INFO L87 Difference]: Start difference. First operand 473 states and 813 transitions. Second operand 5 states. [2021-01-06 18:55:07,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:07,544 INFO L93 Difference]: Finished difference Result 1363 states and 2355 transitions. [2021-01-06 18:55:07,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:55:07,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2021-01-06 18:55:07,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:07,550 INFO L225 Difference]: With dead ends: 1363 [2021-01-06 18:55:07,550 INFO L226 Difference]: Without dead ends: 917 [2021-01-06 18:55:07,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:55:07,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2021-01-06 18:55:07,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 473. [2021-01-06 18:55:07,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2021-01-06 18:55:07,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 812 transitions. [2021-01-06 18:55:07,588 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 812 transitions. Word has length 53 [2021-01-06 18:55:07,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:07,589 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 812 transitions. [2021-01-06 18:55:07,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:55:07,589 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 812 transitions. [2021-01-06 18:55:07,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 18:55:07,590 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:07,590 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:07,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:55:07,591 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:07,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:07,591 INFO L82 PathProgramCache]: Analyzing trace with hash 397569743, now seen corresponding path program 1 times [2021-01-06 18:55:07,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:07,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814340601] [2021-01-06 18:55:07,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:07,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:07,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814340601] [2021-01-06 18:55:07,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:07,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:55:07,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192837654] [2021-01-06 18:55:07,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:55:07,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:07,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:55:07,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:07,666 INFO L87 Difference]: Start difference. First operand 473 states and 812 transitions. Second operand 3 states. [2021-01-06 18:55:07,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:07,709 INFO L93 Difference]: Finished difference Result 704 states and 1193 transitions. [2021-01-06 18:55:07,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:55:07,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2021-01-06 18:55:07,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:07,713 INFO L225 Difference]: With dead ends: 704 [2021-01-06 18:55:07,714 INFO L226 Difference]: Without dead ends: 476 [2021-01-06 18:55:07,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:07,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-01-06 18:55:07,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 475. [2021-01-06 18:55:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2021-01-06 18:55:07,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 814 transitions. [2021-01-06 18:55:07,774 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 814 transitions. Word has length 54 [2021-01-06 18:55:07,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:07,774 INFO L481 AbstractCegarLoop]: Abstraction has 475 states and 814 transitions. [2021-01-06 18:55:07,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:55:07,774 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 814 transitions. [2021-01-06 18:55:07,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 18:55:07,776 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:07,776 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:07,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:55:07,776 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:07,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:07,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1979087327, now seen corresponding path program 1 times [2021-01-06 18:55:07,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:07,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99437861] [2021-01-06 18:55:07,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:07,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:07,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99437861] [2021-01-06 18:55:07,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:07,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:55:07,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736894457] [2021-01-06 18:55:07,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:55:07,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:07,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:55:07,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:07,852 INFO L87 Difference]: Start difference. First operand 475 states and 814 transitions. Second operand 3 states. [2021-01-06 18:55:07,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:07,924 INFO L93 Difference]: Finished difference Result 1311 states and 2266 transitions. [2021-01-06 18:55:07,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:55:07,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2021-01-06 18:55:07,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:07,931 INFO L225 Difference]: With dead ends: 1311 [2021-01-06 18:55:07,931 INFO L226 Difference]: Without dead ends: 867 [2021-01-06 18:55:07,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:07,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2021-01-06 18:55:07,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 639. [2021-01-06 18:55:07,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2021-01-06 18:55:07,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 1114 transitions. [2021-01-06 18:55:07,981 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 1114 transitions. Word has length 62 [2021-01-06 18:55:07,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:07,982 INFO L481 AbstractCegarLoop]: Abstraction has 639 states and 1114 transitions. [2021-01-06 18:55:07,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:55:07,982 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1114 transitions. [2021-01-06 18:55:07,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-01-06 18:55:07,984 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:07,984 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] [2021-01-06 18:55:07,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:55:07,985 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:07,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:07,987 INFO L82 PathProgramCache]: Analyzing trace with hash 649261666, now seen corresponding path program 1 times [2021-01-06 18:55:07,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:07,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881568774] [2021-01-06 18:55:07,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:08,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:08,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881568774] [2021-01-06 18:55:08,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:08,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:55:08,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739151487] [2021-01-06 18:55:08,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:55:08,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:08,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:55:08,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:55:08,119 INFO L87 Difference]: Start difference. First operand 639 states and 1114 transitions. Second operand 5 states. [2021-01-06 18:55:08,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:08,426 INFO L93 Difference]: Finished difference Result 1847 states and 3248 transitions. [2021-01-06 18:55:08,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:55:08,426 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2021-01-06 18:55:08,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:08,434 INFO L225 Difference]: With dead ends: 1847 [2021-01-06 18:55:08,434 INFO L226 Difference]: Without dead ends: 1239 [2021-01-06 18:55:08,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:55:08,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2021-01-06 18:55:08,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 639. [2021-01-06 18:55:08,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2021-01-06 18:55:08,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 1112 transitions. [2021-01-06 18:55:08,496 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 1112 transitions. Word has length 63 [2021-01-06 18:55:08,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:08,496 INFO L481 AbstractCegarLoop]: Abstraction has 639 states and 1112 transitions. [2021-01-06 18:55:08,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:55:08,496 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1112 transitions. [2021-01-06 18:55:08,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 18:55:08,498 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:08,498 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] [2021-01-06 18:55:08,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:55:08,498 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:08,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:08,499 INFO L82 PathProgramCache]: Analyzing trace with hash 255828395, now seen corresponding path program 1 times [2021-01-06 18:55:08,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:08,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142879127] [2021-01-06 18:55:08,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:08,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:08,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142879127] [2021-01-06 18:55:08,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:08,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:55:08,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715134687] [2021-01-06 18:55:08,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:55:08,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:08,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:55:08,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:08,572 INFO L87 Difference]: Start difference. First operand 639 states and 1112 transitions. Second operand 3 states. [2021-01-06 18:55:08,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:08,683 INFO L93 Difference]: Finished difference Result 1845 states and 3240 transitions. [2021-01-06 18:55:08,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:55:08,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2021-01-06 18:55:08,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:08,691 INFO L225 Difference]: With dead ends: 1845 [2021-01-06 18:55:08,691 INFO L226 Difference]: Without dead ends: 1237 [2021-01-06 18:55:08,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:08,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2021-01-06 18:55:08,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1009. [2021-01-06 18:55:08,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1009 states. [2021-01-06 18:55:08,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1789 transitions. [2021-01-06 18:55:08,774 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1789 transitions. Word has length 64 [2021-01-06 18:55:08,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:08,775 INFO L481 AbstractCegarLoop]: Abstraction has 1009 states and 1789 transitions. [2021-01-06 18:55:08,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:55:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1789 transitions. [2021-01-06 18:55:08,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 18:55:08,780 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:08,781 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] [2021-01-06 18:55:08,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:55:08,781 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:08,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:08,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1642733645, now seen corresponding path program 1 times [2021-01-06 18:55:08,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:08,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248721299] [2021-01-06 18:55:08,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:08,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:08,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248721299] [2021-01-06 18:55:08,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973209763] [2021-01-06 18:55:08,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:55:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:09,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:55:09,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:55:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:09,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:55:09,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:55:09,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910836917] [2021-01-06 18:55:09,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:55:09,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:09,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:55:09,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:55:09,403 INFO L87 Difference]: Start difference. First operand 1009 states and 1789 transitions. Second operand 5 states. [2021-01-06 18:55:09,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:09,619 INFO L93 Difference]: Finished difference Result 1688 states and 2946 transitions. [2021-01-06 18:55:09,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:55:09,619 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2021-01-06 18:55:09,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:09,628 INFO L225 Difference]: With dead ends: 1688 [2021-01-06 18:55:09,628 INFO L226 Difference]: Without dead ends: 1460 [2021-01-06 18:55:09,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:55:09,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2021-01-06 18:55:09,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1229. [2021-01-06 18:55:09,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1229 states. [2021-01-06 18:55:09,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 2186 transitions. [2021-01-06 18:55:09,760 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 2186 transitions. Word has length 64 [2021-01-06 18:55:09,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:09,760 INFO L481 AbstractCegarLoop]: Abstraction has 1229 states and 2186 transitions. [2021-01-06 18:55:09,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:55:09,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 2186 transitions. [2021-01-06 18:55:09,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:55:09,765 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:09,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:09,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:55:09,980 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:09,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:09,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1029110448, now seen corresponding path program 1 times [2021-01-06 18:55:09,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:09,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284250642] [2021-01-06 18:55:09,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:10,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284250642] [2021-01-06 18:55:10,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:10,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:55:10,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217336853] [2021-01-06 18:55:10,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:55:10,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:10,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:55:10,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:10,069 INFO L87 Difference]: Start difference. First operand 1229 states and 2186 transitions. Second operand 3 states. [2021-01-06 18:55:10,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:10,209 INFO L93 Difference]: Finished difference Result 3317 states and 5925 transitions. [2021-01-06 18:55:10,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:55:10,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-06 18:55:10,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:10,222 INFO L225 Difference]: With dead ends: 3317 [2021-01-06 18:55:10,223 INFO L226 Difference]: Without dead ends: 2189 [2021-01-06 18:55:10,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:10,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2189 states. [2021-01-06 18:55:10,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2189 to 1961. [2021-01-06 18:55:10,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1961 states. [2021-01-06 18:55:10,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 3519 transitions. [2021-01-06 18:55:10,370 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 3519 transitions. Word has length 68 [2021-01-06 18:55:10,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:10,372 INFO L481 AbstractCegarLoop]: Abstraction has 1961 states and 3519 transitions. [2021-01-06 18:55:10,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:55:10,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 3519 transitions. [2021-01-06 18:55:10,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:55:10,376 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:10,376 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:10,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:55:10,377 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:10,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:10,377 INFO L82 PathProgramCache]: Analyzing trace with hash -278677552, now seen corresponding path program 1 times [2021-01-06 18:55:10,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:10,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189878954] [2021-01-06 18:55:10,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:10,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:10,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189878954] [2021-01-06 18:55:10,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:10,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:55:10,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221282925] [2021-01-06 18:55:10,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:55:10,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:10,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:55:10,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:10,448 INFO L87 Difference]: Start difference. First operand 1961 states and 3519 transitions. Second operand 3 states. [2021-01-06 18:55:10,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:10,672 INFO L93 Difference]: Finished difference Result 5249 states and 9443 transitions. [2021-01-06 18:55:10,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:55:10,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2021-01-06 18:55:10,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:10,692 INFO L225 Difference]: With dead ends: 5249 [2021-01-06 18:55:10,692 INFO L226 Difference]: Without dead ends: 3423 [2021-01-06 18:55:10,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:10,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3423 states. [2021-01-06 18:55:10,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3423 to 3195. [2021-01-06 18:55:10,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3195 states. [2021-01-06 18:55:10,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 3195 states and 5760 transitions. [2021-01-06 18:55:10,923 INFO L78 Accepts]: Start accepts. Automaton has 3195 states and 5760 transitions. Word has length 69 [2021-01-06 18:55:10,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:10,924 INFO L481 AbstractCegarLoop]: Abstraction has 3195 states and 5760 transitions. [2021-01-06 18:55:10,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:55:10,924 INFO L276 IsEmpty]: Start isEmpty. Operand 3195 states and 5760 transitions. [2021-01-06 18:55:10,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:55:10,930 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:10,930 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:10,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:55:10,930 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:10,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:10,931 INFO L82 PathProgramCache]: Analyzing trace with hash -896599681, now seen corresponding path program 1 times [2021-01-06 18:55:10,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:10,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097594080] [2021-01-06 18:55:10,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:11,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:11,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097594080] [2021-01-06 18:55:11,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:11,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:55:11,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394812753] [2021-01-06 18:55:11,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:55:11,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:11,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:55:11,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:11,002 INFO L87 Difference]: Start difference. First operand 3195 states and 5760 transitions. Second operand 3 states. [2021-01-06 18:55:11,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:11,410 INFO L93 Difference]: Finished difference Result 8667 states and 15649 transitions. [2021-01-06 18:55:11,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:55:11,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2021-01-06 18:55:11,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:11,455 INFO L225 Difference]: With dead ends: 8667 [2021-01-06 18:55:11,456 INFO L226 Difference]: Without dead ends: 5641 [2021-01-06 18:55:11,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:11,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5641 states. [2021-01-06 18:55:12,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5641 to 5413. [2021-01-06 18:55:12,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5413 states. [2021-01-06 18:55:12,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5413 states to 5413 states and 9777 transitions. [2021-01-06 18:55:12,033 INFO L78 Accepts]: Start accepts. Automaton has 5413 states and 9777 transitions. Word has length 70 [2021-01-06 18:55:12,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:12,034 INFO L481 AbstractCegarLoop]: Abstraction has 5413 states and 9777 transitions. [2021-01-06 18:55:12,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:55:12,034 INFO L276 IsEmpty]: Start isEmpty. Operand 5413 states and 9777 transitions. [2021-01-06 18:55:12,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:55:12,043 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:12,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:12,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:55:12,043 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:12,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:12,044 INFO L82 PathProgramCache]: Analyzing trace with hash 222929183, now seen corresponding path program 1 times [2021-01-06 18:55:12,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:12,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870130813] [2021-01-06 18:55:12,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:12,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870130813] [2021-01-06 18:55:12,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:12,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:55:12,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125784186] [2021-01-06 18:55:12,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:55:12,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:12,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:55:12,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:12,120 INFO L87 Difference]: Start difference. First operand 5413 states and 9777 transitions. Second operand 3 states. [2021-01-06 18:55:12,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:12,716 INFO L93 Difference]: Finished difference Result 15647 states and 28311 transitions. [2021-01-06 18:55:12,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:55:12,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2021-01-06 18:55:12,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:12,787 INFO L225 Difference]: With dead ends: 15647 [2021-01-06 18:55:12,787 INFO L226 Difference]: Without dead ends: 10411 [2021-01-06 18:55:12,802 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:12,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10411 states. [2021-01-06 18:55:13,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10411 to 10183. [2021-01-06 18:55:13,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10183 states. [2021-01-06 18:55:13,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10183 states to 10183 states and 18418 transitions. [2021-01-06 18:55:13,518 INFO L78 Accepts]: Start accepts. Automaton has 10183 states and 18418 transitions. Word has length 71 [2021-01-06 18:55:13,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:13,518 INFO L481 AbstractCegarLoop]: Abstraction has 10183 states and 18418 transitions. [2021-01-06 18:55:13,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:55:13,518 INFO L276 IsEmpty]: Start isEmpty. Operand 10183 states and 18418 transitions. [2021-01-06 18:55:13,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:55:13,526 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:13,526 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:13,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:55:13,527 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:13,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:13,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1271230416, now seen corresponding path program 1 times [2021-01-06 18:55:13,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:13,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484592331] [2021-01-06 18:55:13,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:13,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:13,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484592331] [2021-01-06 18:55:13,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:13,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:55:13,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952688743] [2021-01-06 18:55:13,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:55:13,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:13,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:55:13,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:13,605 INFO L87 Difference]: Start difference. First operand 10183 states and 18418 transitions. Second operand 3 states. [2021-01-06 18:55:14,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:14,785 INFO L93 Difference]: Finished difference Result 29787 states and 53933 transitions. [2021-01-06 18:55:14,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:55:14,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2021-01-06 18:55:14,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:14,851 INFO L225 Difference]: With dead ends: 29787 [2021-01-06 18:55:14,851 INFO L226 Difference]: Without dead ends: 19789 [2021-01-06 18:55:14,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:14,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19789 states. [2021-01-06 18:55:16,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19789 to 19561. [2021-01-06 18:55:16,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19561 states. [2021-01-06 18:55:16,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19561 states to 19561 states and 35379 transitions. [2021-01-06 18:55:16,157 INFO L78 Accepts]: Start accepts. Automaton has 19561 states and 35379 transitions. Word has length 72 [2021-01-06 18:55:16,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:16,157 INFO L481 AbstractCegarLoop]: Abstraction has 19561 states and 35379 transitions. [2021-01-06 18:55:16,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:55:16,157 INFO L276 IsEmpty]: Start isEmpty. Operand 19561 states and 35379 transitions. [2021-01-06 18:55:16,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 18:55:16,168 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:16,168 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] [2021-01-06 18:55:16,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:55:16,168 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:16,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:16,169 INFO L82 PathProgramCache]: Analyzing trace with hash -157620880, now seen corresponding path program 1 times [2021-01-06 18:55:16,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:16,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933250135] [2021-01-06 18:55:16,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:16,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:16,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933250135] [2021-01-06 18:55:16,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:16,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:55:16,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888929438] [2021-01-06 18:55:16,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:55:16,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:16,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:55:16,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:16,243 INFO L87 Difference]: Start difference. First operand 19561 states and 35379 transitions. Second operand 3 states. [2021-01-06 18:55:18,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:18,209 INFO L93 Difference]: Finished difference Result 58107 states and 105130 transitions. [2021-01-06 18:55:18,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:55:18,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2021-01-06 18:55:18,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:18,360 INFO L225 Difference]: With dead ends: 58107 [2021-01-06 18:55:18,361 INFO L226 Difference]: Without dead ends: 38735 [2021-01-06 18:55:18,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:18,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38735 states. [2021-01-06 18:55:20,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38735 to 38507. [2021-01-06 18:55:20,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38507 states. [2021-01-06 18:55:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38507 states to 38507 states and 69556 transitions. [2021-01-06 18:55:20,874 INFO L78 Accepts]: Start accepts. Automaton has 38507 states and 69556 transitions. Word has length 73 [2021-01-06 18:55:20,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:20,874 INFO L481 AbstractCegarLoop]: Abstraction has 38507 states and 69556 transitions. [2021-01-06 18:55:20,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:55:20,875 INFO L276 IsEmpty]: Start isEmpty. Operand 38507 states and 69556 transitions. [2021-01-06 18:55:20,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:55:20,887 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:20,887 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] [2021-01-06 18:55:20,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:55:20,888 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:20,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:20,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1461842519, now seen corresponding path program 1 times [2021-01-06 18:55:20,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:20,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434896359] [2021-01-06 18:55:20,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:20,970 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:55:20,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434896359] [2021-01-06 18:55:20,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:20,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:55:20,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152579220] [2021-01-06 18:55:20,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:55:20,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:20,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:55:20,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:55:20,973 INFO L87 Difference]: Start difference. First operand 38507 states and 69556 transitions. Second operand 5 states. [2021-01-06 18:55:23,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:23,795 INFO L93 Difference]: Finished difference Result 113216 states and 204467 transitions. [2021-01-06 18:55:23,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:55:23,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2021-01-06 18:55:23,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:23,979 INFO L225 Difference]: With dead ends: 113216 [2021-01-06 18:55:23,979 INFO L226 Difference]: Without dead ends: 74966 [2021-01-06 18:55:24,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:55:24,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74966 states. [2021-01-06 18:55:26,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74966 to 38507. [2021-01-06 18:55:26,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38507 states. [2021-01-06 18:55:26,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38507 states to 38507 states and 69298 transitions. [2021-01-06 18:55:26,528 INFO L78 Accepts]: Start accepts. Automaton has 38507 states and 69298 transitions. Word has length 74 [2021-01-06 18:55:26,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:26,529 INFO L481 AbstractCegarLoop]: Abstraction has 38507 states and 69298 transitions. [2021-01-06 18:55:26,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:55:26,529 INFO L276 IsEmpty]: Start isEmpty. Operand 38507 states and 69298 transitions. [2021-01-06 18:55:26,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:55:26,540 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:26,540 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:26,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:55:26,540 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:26,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:26,541 INFO L82 PathProgramCache]: Analyzing trace with hash -74937269, now seen corresponding path program 2 times [2021-01-06 18:55:26,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:26,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78280185] [2021-01-06 18:55:26,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:26,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78280185] [2021-01-06 18:55:26,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:26,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:55:26,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801931224] [2021-01-06 18:55:26,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:55:26,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:26,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:55:26,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:26,605 INFO L87 Difference]: Start difference. First operand 38507 states and 69298 transitions. Second operand 3 states. [2021-01-06 18:55:28,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:28,156 INFO L93 Difference]: Finished difference Result 76979 states and 138532 transitions. [2021-01-06 18:55:28,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:55:28,157 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2021-01-06 18:55:28,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:28,233 INFO L225 Difference]: With dead ends: 76979 [2021-01-06 18:55:28,234 INFO L226 Difference]: Without dead ends: 38735 [2021-01-06 18:55:28,269 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:28,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38735 states. [2021-01-06 18:55:29,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38735 to 38507. [2021-01-06 18:55:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38507 states. [2021-01-06 18:55:30,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38507 states to 38507 states and 69170 transitions. [2021-01-06 18:55:30,014 INFO L78 Accepts]: Start accepts. Automaton has 38507 states and 69170 transitions. Word has length 74 [2021-01-06 18:55:30,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:30,014 INFO L481 AbstractCegarLoop]: Abstraction has 38507 states and 69170 transitions. [2021-01-06 18:55:30,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:55:30,014 INFO L276 IsEmpty]: Start isEmpty. Operand 38507 states and 69170 transitions. [2021-01-06 18:55:30,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:55:30,024 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:30,024 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] [2021-01-06 18:55:30,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:55:30,024 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:30,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:30,025 INFO L82 PathProgramCache]: Analyzing trace with hash -2011951106, now seen corresponding path program 1 times [2021-01-06 18:55:30,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:30,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146934543] [2021-01-06 18:55:30,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:55:30,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146934543] [2021-01-06 18:55:30,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:30,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:55:30,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114243479] [2021-01-06 18:55:30,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:55:30,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:30,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:55:30,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:30,100 INFO L87 Difference]: Start difference. First operand 38507 states and 69170 transitions. Second operand 3 states. [2021-01-06 18:55:32,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:32,539 INFO L93 Difference]: Finished difference Result 107101 states and 192110 transitions. [2021-01-06 18:55:32,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:55:32,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2021-01-06 18:55:32,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:32,812 INFO L225 Difference]: With dead ends: 107101 [2021-01-06 18:55:32,813 INFO L226 Difference]: Without dead ends: 68817 [2021-01-06 18:55:32,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:32,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68817 states. [2021-01-06 18:55:36,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68817 to 68589. [2021-01-06 18:55:36,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68589 states. [2021-01-06 18:55:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68589 states to 68589 states and 122675 transitions. [2021-01-06 18:55:36,420 INFO L78 Accepts]: Start accepts. Automaton has 68589 states and 122675 transitions. Word has length 74 [2021-01-06 18:55:36,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:36,420 INFO L481 AbstractCegarLoop]: Abstraction has 68589 states and 122675 transitions. [2021-01-06 18:55:36,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:55:36,421 INFO L276 IsEmpty]: Start isEmpty. Operand 68589 states and 122675 transitions. [2021-01-06 18:55:36,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 18:55:36,431 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:36,431 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] [2021-01-06 18:55:36,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:55:36,431 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:36,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:36,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1387090491, now seen corresponding path program 1 times [2021-01-06 18:55:36,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:36,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744863202] [2021-01-06 18:55:36,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:36,582 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:55:36,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744863202] [2021-01-06 18:55:36,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:36,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:55:36,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121633814] [2021-01-06 18:55:36,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:55:36,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:36,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:55:36,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:55:36,587 INFO L87 Difference]: Start difference. First operand 68589 states and 122675 transitions. Second operand 9 states. [2021-01-06 18:55:42,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:42,804 INFO L93 Difference]: Finished difference Result 138643 states and 247710 transitions. [2021-01-06 18:55:42,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-01-06 18:55:42,804 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2021-01-06 18:55:42,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:43,095 INFO L225 Difference]: With dead ends: 138643 [2021-01-06 18:55:43,095 INFO L226 Difference]: Without dead ends: 138446 [2021-01-06 18:55:43,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=438, Unknown=0, NotChecked=0, Total=650 [2021-01-06 18:55:43,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138446 states. [2021-01-06 18:55:48,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138446 to 137096. [2021-01-06 18:55:48,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137096 states. [2021-01-06 18:55:49,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137096 states to 137096 states and 245226 transitions. [2021-01-06 18:55:49,480 INFO L78 Accepts]: Start accepts. Automaton has 137096 states and 245226 transitions. Word has length 75 [2021-01-06 18:55:49,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:49,480 INFO L481 AbstractCegarLoop]: Abstraction has 137096 states and 245226 transitions. [2021-01-06 18:55:49,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:55:49,481 INFO L276 IsEmpty]: Start isEmpty. Operand 137096 states and 245226 transitions. [2021-01-06 18:55:49,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:55:49,497 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:49,497 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:49,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:55:49,497 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:49,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:49,498 INFO L82 PathProgramCache]: Analyzing trace with hash -440299979, now seen corresponding path program 1 times [2021-01-06 18:55:49,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:49,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288705393] [2021-01-06 18:55:49,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:55:49,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288705393] [2021-01-06 18:55:49,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:49,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:55:49,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824074109] [2021-01-06 18:55:49,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:55:49,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:49,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:55:49,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:55:49,597 INFO L87 Difference]: Start difference. First operand 137096 states and 245226 transitions. Second operand 7 states. [2021-01-06 18:55:54,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:54,683 INFO L93 Difference]: Finished difference Result 137787 states and 246357 transitions. [2021-01-06 18:55:54,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:55:54,685 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2021-01-06 18:55:54,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:54,975 INFO L225 Difference]: With dead ends: 137787 [2021-01-06 18:55:54,975 INFO L226 Difference]: Without dead ends: 137306 [2021-01-06 18:55:55,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-01-06 18:55:55,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137306 states. [2021-01-06 18:56:00,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137306 to 137078. [2021-01-06 18:56:00,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137078 states. [2021-01-06 18:56:01,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137078 states to 137078 states and 245186 transitions. [2021-01-06 18:56:01,216 INFO L78 Accepts]: Start accepts. Automaton has 137078 states and 245186 transitions. Word has length 76 [2021-01-06 18:56:01,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:01,216 INFO L481 AbstractCegarLoop]: Abstraction has 137078 states and 245186 transitions. [2021-01-06 18:56:01,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:56:01,216 INFO L276 IsEmpty]: Start isEmpty. Operand 137078 states and 245186 transitions. [2021-01-06 18:56:01,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:56:01,231 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:01,231 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:01,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:56:01,232 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:01,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:01,232 INFO L82 PathProgramCache]: Analyzing trace with hash -870451107, now seen corresponding path program 1 times [2021-01-06 18:56:01,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:01,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356242925] [2021-01-06 18:56:01,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:01,314 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:56:01,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356242925] [2021-01-06 18:56:01,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:01,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:01,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006799254] [2021-01-06 18:56:01,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:56:01,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:01,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:56:01,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:56:01,317 INFO L87 Difference]: Start difference. First operand 137078 states and 245186 transitions. Second operand 4 states. [2021-01-06 18:56:08,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:08,625 INFO L93 Difference]: Finished difference Result 206777 states and 369665 transitions. [2021-01-06 18:56:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:56:08,626 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 76 [2021-01-06 18:56:08,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:09,103 INFO L225 Difference]: With dead ends: 206777 [2021-01-06 18:56:09,103 INFO L226 Difference]: Without dead ends: 206419 [2021-01-06 18:56:09,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:56:09,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206419 states. [2021-01-06 18:56:18,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206419 to 205631. [2021-01-06 18:56:18,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205631 states. [2021-01-06 18:56:19,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205631 states to 205631 states and 367796 transitions. [2021-01-06 18:56:19,020 INFO L78 Accepts]: Start accepts. Automaton has 205631 states and 367796 transitions. Word has length 76 [2021-01-06 18:56:19,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:19,022 INFO L481 AbstractCegarLoop]: Abstraction has 205631 states and 367796 transitions. [2021-01-06 18:56:19,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:56:19,022 INFO L276 IsEmpty]: Start isEmpty. Operand 205631 states and 367796 transitions. [2021-01-06 18:56:19,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:56:19,068 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:19,068 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:19,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:56:19,069 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:19,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:19,069 INFO L82 PathProgramCache]: Analyzing trace with hash 2144652511, now seen corresponding path program 1 times [2021-01-06 18:56:19,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:19,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620449533] [2021-01-06 18:56:19,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:19,186 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:56:19,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620449533] [2021-01-06 18:56:19,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:19,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:56:19,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638667320] [2021-01-06 18:56:19,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:56:19,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:19,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:56:19,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:56:19,188 INFO L87 Difference]: Start difference. First operand 205631 states and 367796 transitions. Second operand 5 states. [2021-01-06 18:56:26,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:26,837 INFO L93 Difference]: Finished difference Result 210712 states and 376126 transitions. [2021-01-06 18:56:26,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:56:26,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2021-01-06 18:56:26,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:27,484 INFO L225 Difference]: With dead ends: 210712 [2021-01-06 18:56:27,484 INFO L226 Difference]: Without dead ends: 210016 [2021-01-06 18:56:27,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:56:27,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210016 states. [2021-01-06 18:56:36,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210016 to 206482. [2021-01-06 18:56:36,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206482 states. [2021-01-06 18:56:37,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206482 states to 206482 states and 369183 transitions. [2021-01-06 18:56:37,422 INFO L78 Accepts]: Start accepts. Automaton has 206482 states and 369183 transitions. Word has length 76 [2021-01-06 18:56:37,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:37,423 INFO L481 AbstractCegarLoop]: Abstraction has 206482 states and 369183 transitions. [2021-01-06 18:56:37,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:56:37,423 INFO L276 IsEmpty]: Start isEmpty. Operand 206482 states and 369183 transitions. [2021-01-06 18:56:37,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:56:37,444 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:37,445 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:37,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:56:37,445 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:37,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:37,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1906247743, now seen corresponding path program 1 times [2021-01-06 18:56:37,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:37,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928811652] [2021-01-06 18:56:37,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:37,554 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:56:37,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928811652] [2021-01-06 18:56:37,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:37,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:56:37,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733493432] [2021-01-06 18:56:37,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:56:37,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:37,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:56:37,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:56:37,557 INFO L87 Difference]: Start difference. First operand 206482 states and 369183 transitions. Second operand 8 states. [2021-01-06 18:56:45,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:45,159 INFO L93 Difference]: Finished difference Result 208800 states and 372970 transitions. [2021-01-06 18:56:45,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 18:56:45,160 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 77 [2021-01-06 18:56:45,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:45,645 INFO L225 Difference]: With dead ends: 208800 [2021-01-06 18:56:45,645 INFO L226 Difference]: Without dead ends: 207378 [2021-01-06 18:56:45,713 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2021-01-06 18:56:45,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207378 states. [2021-01-06 18:56:56,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207378 to 206427. [2021-01-06 18:56:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206427 states. [2021-01-06 18:56:57,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206427 states to 206427 states and 369083 transitions. [2021-01-06 18:56:57,516 INFO L78 Accepts]: Start accepts. Automaton has 206427 states and 369083 transitions. Word has length 77 [2021-01-06 18:56:57,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:57,516 INFO L481 AbstractCegarLoop]: Abstraction has 206427 states and 369083 transitions. [2021-01-06 18:56:57,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:56:57,516 INFO L276 IsEmpty]: Start isEmpty. Operand 206427 states and 369083 transitions. [2021-01-06 18:56:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:56:57,557 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:57,559 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] [2021-01-06 18:56:57,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:56:57,559 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:57,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:57,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1931466131, now seen corresponding path program 1 times [2021-01-06 18:56:57,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:57,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255727571] [2021-01-06 18:56:57,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:57,658 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:57,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255727571] [2021-01-06 18:56:57,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416277673] [2021-01-06 18:56:57,658 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 [2021-01-06 18:56:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:58,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 18:56:58,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:56:58,134 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:58,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:56:58,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-01-06 18:56:58,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438782790] [2021-01-06 18:56:58,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:56:58,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:58,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:56:58,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:56:58,136 INFO L87 Difference]: Start difference. First operand 206427 states and 369083 transitions. Second operand 6 states. [2021-01-06 18:57:06,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:06,152 INFO L93 Difference]: Finished difference Result 215529 states and 384543 transitions. [2021-01-06 18:57:06,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:57:06,153 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2021-01-06 18:57:06,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:06,797 INFO L225 Difference]: With dead ends: 215529 [2021-01-06 18:57:06,798 INFO L226 Difference]: Without dead ends: 213827 [2021-01-06 18:57:06,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:57:07,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213827 states. [2021-01-06 18:57:16,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213827 to 211247. [2021-01-06 18:57:16,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211247 states. [2021-01-06 18:57:16,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211247 states to 211247 states and 377529 transitions. [2021-01-06 18:57:16,997 INFO L78 Accepts]: Start accepts. Automaton has 211247 states and 377529 transitions. Word has length 79 [2021-01-06 18:57:16,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:16,997 INFO L481 AbstractCegarLoop]: Abstraction has 211247 states and 377529 transitions. [2021-01-06 18:57:16,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:57:16,997 INFO L276 IsEmpty]: Start isEmpty. Operand 211247 states and 377529 transitions. [2021-01-06 18:57:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:57:17,025 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:17,025 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] [2021-01-06 18:57:17,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-01-06 18:57:17,241 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:17,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:17,242 INFO L82 PathProgramCache]: Analyzing trace with hash 766766518, now seen corresponding path program 1 times [2021-01-06 18:57:17,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:17,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244597684] [2021-01-06 18:57:17,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:17,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:57:17,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244597684] [2021-01-06 18:57:17,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:17,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:17,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135364779] [2021-01-06 18:57:17,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:17,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:17,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:17,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:17,315 INFO L87 Difference]: Start difference. First operand 211247 states and 377529 transitions. Second operand 3 states. [2021-01-06 18:57:33,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:33,775 INFO L93 Difference]: Finished difference Result 617366 states and 1103598 transitions. [2021-01-06 18:57:33,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:33,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2021-01-06 18:57:33,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:35,310 INFO L225 Difference]: With dead ends: 617366 [2021-01-06 18:57:35,310 INFO L226 Difference]: Without dead ends: 409960 [2021-01-06 18:57:35,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:35,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409960 states. [2021-01-06 18:57:55,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409960 to 408258. [2021-01-06 18:57:55,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408258 states. [2021-01-06 18:57:58,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408258 states to 408258 states and 728409 transitions. [2021-01-06 18:57:58,538 INFO L78 Accepts]: Start accepts. Automaton has 408258 states and 728409 transitions. Word has length 79 [2021-01-06 18:57:58,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:58,549 INFO L481 AbstractCegarLoop]: Abstraction has 408258 states and 728409 transitions. [2021-01-06 18:57:58,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:57:58,549 INFO L276 IsEmpty]: Start isEmpty. Operand 408258 states and 728409 transitions. [2021-01-06 18:57:58,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:57:58,586 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:58,586 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] [2021-01-06 18:57:58,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:57:58,587 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:58,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:58,587 INFO L82 PathProgramCache]: Analyzing trace with hash -409002793, now seen corresponding path program 1 times [2021-01-06 18:57:58,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:58,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082998924] [2021-01-06 18:57:58,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:58,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:57:58,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082998924] [2021-01-06 18:57:58,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:58,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:58,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180106165] [2021-01-06 18:57:58,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:58,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:58,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:58,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:58,671 INFO L87 Difference]: Start difference. First operand 408258 states and 728409 transitions. Second operand 3 states.