/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_spec11_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:40:43,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:40:43,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:40:43,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:40:43,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:40:43,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:40:43,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:40:43,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:40:43,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:40:43,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:40:43,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:40:43,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:40:43,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:40:43,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:40:43,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:40:43,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:40:43,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:40:43,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:40:43,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:40:43,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:40:43,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:40:43,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:40:43,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:40:43,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:40:43,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:40:43,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:40:43,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:40:43,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:40:43,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:40:43,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:40:43,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:40:43,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:40:43,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:40:43,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:40:43,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:40:43,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:40:43,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:40:43,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:40:43,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:40:43,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:40:43,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:40:43,358 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 18:40:43,411 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:40:43,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:40:43,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:40:43,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:40:43,416 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:40:43,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:40:43,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:40:43,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:40:43,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:40:43,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:40:43,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:40:43,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:40:43,419 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:40:43,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:40:43,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:40:43,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:40:43,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:40:43,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:40:43,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:40:43,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:40:43,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:40:43,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:40:43,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:40:43,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:40:43,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:40:43,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:40:43,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:40:43,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:40:43,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:40:43,981 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:40:43,981 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:40:43,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product37.cil.c [2021-01-06 18:40:44,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/07f892f34/26bf123ac30f4a0493fa164b81ae4acb/FLAG8a15099b8 [2021-01-06 18:40:44,959 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:40:44,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product37.cil.c [2021-01-06 18:40:44,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/07f892f34/26bf123ac30f4a0493fa164b81ae4acb/FLAG8a15099b8 [2021-01-06 18:40:45,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/07f892f34/26bf123ac30f4a0493fa164b81ae4acb [2021-01-06 18:40:45,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:40:45,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:40:45,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:40:45,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:40:45,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:40:45,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:40:45" (1/1) ... [2021-01-06 18:40:45,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa84c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:45, skipping insertion in model container [2021-01-06 18:40:45,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:40:45" (1/1) ... [2021-01-06 18:40:45,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:40:45,226 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] 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___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] [2021-01-06 18:40:45,747 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_spec11_product37.cil.c[43431,43444] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] 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[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] 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[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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[~__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~16,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2021-01-06 18:40:45,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:40:45,906 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] 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___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] [2021-01-06 18:40:46,004 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_spec11_product37.cil.c[43431,43444] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] 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[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] 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[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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[~__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~16,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2021-01-06 18:40:46,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:40:46,133 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:40:46,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:46 WrapperNode [2021-01-06 18:40:46,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:40:46,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:40:46,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:40:46,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:40:46,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:46" (1/1) ... [2021-01-06 18:40:46,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:46" (1/1) ... [2021-01-06 18:40:46,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:40:46,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:40:46,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:40:46,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:40:46,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:46" (1/1) ... [2021-01-06 18:40:46,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:46" (1/1) ... [2021-01-06 18:40:46,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:46" (1/1) ... [2021-01-06 18:40:46,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:46" (1/1) ... [2021-01-06 18:40:46,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:46" (1/1) ... [2021-01-06 18:40:46,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:46" (1/1) ... [2021-01-06 18:40:46,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:46" (1/1) ... [2021-01-06 18:40:46,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:40:46,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:40:46,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:40:46,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:40:46,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:46" (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 18:40:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:40:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:40:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:40:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:40:46,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:40:48,534 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:40:48,534 INFO L299 CfgBuilder]: Removed 247 assume(true) statements. [2021-01-06 18:40:48,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:40:48 BoogieIcfgContainer [2021-01-06 18:40:48,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:40:48,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:40:48,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:40:48,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:40:48,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:40:45" (1/3) ... [2021-01-06 18:40:48,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520c013d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:40:48, skipping insertion in model container [2021-01-06 18:40:48,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:46" (2/3) ... [2021-01-06 18:40:48,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520c013d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:40:48, skipping insertion in model container [2021-01-06 18:40:48,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:40:48" (3/3) ... [2021-01-06 18:40:48,547 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product37.cil.c [2021-01-06 18:40:48,554 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:40:48,560 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 18:40:48,580 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 18:40:48,612 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:40:48,612 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:40:48,612 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:40:48,612 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:40:48,612 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:40:48,613 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:40:48,613 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:40:48,613 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:40:48,638 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states. [2021-01-06 18:40:48,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-01-06 18:40:48,651 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:48,652 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:40:48,653 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:48,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:48,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1771516082, now seen corresponding path program 1 times [2021-01-06 18:40:48,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:48,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549537584] [2021-01-06 18:40:48,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:49,109 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 18:40:49,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549537584] [2021-01-06 18:40:49,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:49,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:49,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844123362] [2021-01-06 18:40:49,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:49,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:49,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:49,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:49,140 INFO L87 Difference]: Start difference. First operand 357 states. Second operand 3 states. [2021-01-06 18:40:49,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:49,369 INFO L93 Difference]: Finished difference Result 1036 states and 1799 transitions. [2021-01-06 18:40:49,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:49,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2021-01-06 18:40:49,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:49,396 INFO L225 Difference]: With dead ends: 1036 [2021-01-06 18:40:49,397 INFO L226 Difference]: Without dead ends: 632 [2021-01-06 18:40:49,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:49,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-01-06 18:40:49,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 325. [2021-01-06 18:40:49,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2021-01-06 18:40:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 561 transitions. [2021-01-06 18:40:49,494 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 561 transitions. Word has length 38 [2021-01-06 18:40:49,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:49,495 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 561 transitions. [2021-01-06 18:40:49,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:49,495 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 561 transitions. [2021-01-06 18:40:49,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-01-06 18:40:49,501 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:49,502 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] [2021-01-06 18:40:49,502 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:40:49,503 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:49,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:49,504 INFO L82 PathProgramCache]: Analyzing trace with hash 109732933, now seen corresponding path program 1 times [2021-01-06 18:40:49,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:49,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115063113] [2021-01-06 18:40:49,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:49,664 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 18:40:49,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115063113] [2021-01-06 18:40:49,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:49,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:40:49,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911909288] [2021-01-06 18:40:49,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:40:49,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:49,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:40:49,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:40:49,669 INFO L87 Difference]: Start difference. First operand 325 states and 561 transitions. Second operand 5 states. [2021-01-06 18:40:49,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:49,880 INFO L93 Difference]: Finished difference Result 924 states and 1599 transitions. [2021-01-06 18:40:49,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:40:49,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2021-01-06 18:40:49,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:49,886 INFO L225 Difference]: With dead ends: 924 [2021-01-06 18:40:49,886 INFO L226 Difference]: Without dead ends: 618 [2021-01-06 18:40:49,889 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 18:40:49,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2021-01-06 18:40:49,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 325. [2021-01-06 18:40:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2021-01-06 18:40:49,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 560 transitions. [2021-01-06 18:40:49,915 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 560 transitions. Word has length 40 [2021-01-06 18:40:49,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:49,915 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 560 transitions. [2021-01-06 18:40:49,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:40:49,916 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 560 transitions. [2021-01-06 18:40:49,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-06 18:40:49,918 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:49,919 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] [2021-01-06 18:40:49,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:40:49,919 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:49,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:49,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1493905042, now seen corresponding path program 1 times [2021-01-06 18:40:49,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:49,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668685037] [2021-01-06 18:40:49,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:50,042 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 18:40:50,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668685037] [2021-01-06 18:40:50,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:50,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:50,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215440895] [2021-01-06 18:40:50,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:50,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:50,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:50,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:50,045 INFO L87 Difference]: Start difference. First operand 325 states and 560 transitions. Second operand 3 states. [2021-01-06 18:40:50,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:50,082 INFO L93 Difference]: Finished difference Result 632 states and 1094 transitions. [2021-01-06 18:40:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:50,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2021-01-06 18:40:50,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:50,088 INFO L225 Difference]: With dead ends: 632 [2021-01-06 18:40:50,088 INFO L226 Difference]: Without dead ends: 330 [2021-01-06 18:40:50,089 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 18:40:50,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2021-01-06 18:40:50,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 325. [2021-01-06 18:40:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2021-01-06 18:40:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 559 transitions. [2021-01-06 18:40:50,130 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 559 transitions. Word has length 41 [2021-01-06 18:40:50,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:50,131 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 559 transitions. [2021-01-06 18:40:50,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:50,131 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 559 transitions. [2021-01-06 18:40:50,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-01-06 18:40:50,137 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:50,137 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] [2021-01-06 18:40:50,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:40:50,137 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:50,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:50,138 INFO L82 PathProgramCache]: Analyzing trace with hash -2066536104, now seen corresponding path program 1 times [2021-01-06 18:40:50,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:50,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552907177] [2021-01-06 18:40:50,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:50,301 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 18:40:50,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552907177] [2021-01-06 18:40:50,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:50,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:50,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880433728] [2021-01-06 18:40:50,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:50,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:50,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:50,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:50,305 INFO L87 Difference]: Start difference. First operand 325 states and 559 transitions. Second operand 3 states. [2021-01-06 18:40:50,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:50,355 INFO L93 Difference]: Finished difference Result 642 states and 1107 transitions. [2021-01-06 18:40:50,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:50,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2021-01-06 18:40:50,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:50,361 INFO L225 Difference]: With dead ends: 642 [2021-01-06 18:40:50,361 INFO L226 Difference]: Without dead ends: 325 [2021-01-06 18:40:50,362 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 18:40:50,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-01-06 18:40:50,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2021-01-06 18:40:50,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2021-01-06 18:40:50,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 557 transitions. [2021-01-06 18:40:50,384 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 557 transitions. Word has length 42 [2021-01-06 18:40:50,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:50,385 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 557 transitions. [2021-01-06 18:40:50,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:50,385 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 557 transitions. [2021-01-06 18:40:50,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-01-06 18:40:50,387 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:50,387 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] [2021-01-06 18:40:50,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:40:50,388 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:50,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:50,389 INFO L82 PathProgramCache]: Analyzing trace with hash -615962899, now seen corresponding path program 1 times [2021-01-06 18:40:50,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:50,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266779370] [2021-01-06 18:40:50,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:50,511 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 18:40:50,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266779370] [2021-01-06 18:40:50,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:50,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:40:50,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528532261] [2021-01-06 18:40:50,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:40:50,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:50,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:40:50,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:40:50,516 INFO L87 Difference]: Start difference. First operand 325 states and 557 transitions. Second operand 5 states. [2021-01-06 18:40:50,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:50,720 INFO L93 Difference]: Finished difference Result 914 states and 1579 transitions. [2021-01-06 18:40:50,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:40:50,720 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2021-01-06 18:40:50,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:50,724 INFO L225 Difference]: With dead ends: 914 [2021-01-06 18:40:50,725 INFO L226 Difference]: Without dead ends: 616 [2021-01-06 18:40:50,726 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 18:40:50,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2021-01-06 18:40:50,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 325. [2021-01-06 18:40:50,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2021-01-06 18:40:50,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 556 transitions. [2021-01-06 18:40:50,748 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 556 transitions. Word has length 43 [2021-01-06 18:40:50,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:50,749 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 556 transitions. [2021-01-06 18:40:50,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:40:50,749 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 556 transitions. [2021-01-06 18:40:50,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 18:40:50,750 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:50,750 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] [2021-01-06 18:40:50,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:40:50,751 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:50,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:50,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1828845712, now seen corresponding path program 1 times [2021-01-06 18:40:50,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:50,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391077622] [2021-01-06 18:40:50,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:50,834 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 18:40:50,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391077622] [2021-01-06 18:40:50,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:50,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:40:50,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355185774] [2021-01-06 18:40:50,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:40:50,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:50,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:40:50,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:40:50,837 INFO L87 Difference]: Start difference. First operand 325 states and 556 transitions. Second operand 5 states. [2021-01-06 18:40:51,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:51,027 INFO L93 Difference]: Finished difference Result 919 states and 1584 transitions. [2021-01-06 18:40:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:40:51,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2021-01-06 18:40:51,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:51,032 INFO L225 Difference]: With dead ends: 919 [2021-01-06 18:40:51,033 INFO L226 Difference]: Without dead ends: 621 [2021-01-06 18:40:51,034 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 18:40:51,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2021-01-06 18:40:51,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 325. [2021-01-06 18:40:51,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2021-01-06 18:40:51,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 555 transitions. [2021-01-06 18:40:51,058 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 555 transitions. Word has length 44 [2021-01-06 18:40:51,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:51,059 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 555 transitions. [2021-01-06 18:40:51,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:40:51,059 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 555 transitions. [2021-01-06 18:40:51,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-06 18:40:51,062 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:51,062 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] [2021-01-06 18:40:51,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:40:51,063 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:51,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:51,067 INFO L82 PathProgramCache]: Analyzing trace with hash -26532440, now seen corresponding path program 1 times [2021-01-06 18:40:51,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:51,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204514698] [2021-01-06 18:40:51,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:51,189 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 18:40:51,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204514698] [2021-01-06 18:40:51,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:51,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:51,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870072440] [2021-01-06 18:40:51,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:51,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:51,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:51,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:51,194 INFO L87 Difference]: Start difference. First operand 325 states and 555 transitions. Second operand 3 states. [2021-01-06 18:40:51,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:51,222 INFO L93 Difference]: Finished difference Result 408 states and 679 transitions. [2021-01-06 18:40:51,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:51,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2021-01-06 18:40:51,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:51,225 INFO L225 Difference]: With dead ends: 408 [2021-01-06 18:40:51,226 INFO L226 Difference]: Without dead ends: 328 [2021-01-06 18:40:51,227 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 18:40:51,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2021-01-06 18:40:51,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 327. [2021-01-06 18:40:51,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2021-01-06 18:40:51,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 557 transitions. [2021-01-06 18:40:51,252 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 557 transitions. Word has length 45 [2021-01-06 18:40:51,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:51,253 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 557 transitions. [2021-01-06 18:40:51,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:51,254 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 557 transitions. [2021-01-06 18:40:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-06 18:40:51,256 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:51,256 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] [2021-01-06 18:40:51,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:40:51,256 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:51,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:51,257 INFO L82 PathProgramCache]: Analyzing trace with hash 887564822, now seen corresponding path program 1 times [2021-01-06 18:40:51,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:51,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483734532] [2021-01-06 18:40:51,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:51,360 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 18:40:51,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483734532] [2021-01-06 18:40:51,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:51,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:51,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504991633] [2021-01-06 18:40:51,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:51,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:51,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:51,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:51,365 INFO L87 Difference]: Start difference. First operand 327 states and 557 transitions. Second operand 3 states. [2021-01-06 18:40:51,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:51,424 INFO L93 Difference]: Finished difference Result 867 states and 1495 transitions. [2021-01-06 18:40:51,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:51,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2021-01-06 18:40:51,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:51,429 INFO L225 Difference]: With dead ends: 867 [2021-01-06 18:40:51,430 INFO L226 Difference]: Without dead ends: 571 [2021-01-06 18:40:51,432 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 18:40:51,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2021-01-06 18:40:51,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 491. [2021-01-06 18:40:51,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2021-01-06 18:40:51,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 857 transitions. [2021-01-06 18:40:51,468 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 857 transitions. Word has length 53 [2021-01-06 18:40:51,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:51,470 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 857 transitions. [2021-01-06 18:40:51,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:51,471 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 857 transitions. [2021-01-06 18:40:51,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 18:40:51,472 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:51,472 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] [2021-01-06 18:40:51,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:40:51,474 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:51,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:51,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1839448245, now seen corresponding path program 1 times [2021-01-06 18:40:51,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:51,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137080043] [2021-01-06 18:40:51,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:51,583 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 18:40:51,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137080043] [2021-01-06 18:40:51,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:51,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:40:51,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633126658] [2021-01-06 18:40:51,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:40:51,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:51,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:40:51,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:40:51,593 INFO L87 Difference]: Start difference. First operand 491 states and 857 transitions. Second operand 5 states. [2021-01-06 18:40:51,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:51,828 INFO L93 Difference]: Finished difference Result 1403 states and 2477 transitions. [2021-01-06 18:40:51,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:40:51,829 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-01-06 18:40:51,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:51,835 INFO L225 Difference]: With dead ends: 1403 [2021-01-06 18:40:51,836 INFO L226 Difference]: Without dead ends: 943 [2021-01-06 18:40:51,837 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 18:40:51,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2021-01-06 18:40:51,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 491. [2021-01-06 18:40:51,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2021-01-06 18:40:51,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 855 transitions. [2021-01-06 18:40:51,878 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 855 transitions. Word has length 54 [2021-01-06 18:40:51,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:51,878 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 855 transitions. [2021-01-06 18:40:51,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:40:51,878 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 855 transitions. [2021-01-06 18:40:51,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-06 18:40:51,879 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:51,880 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] [2021-01-06 18:40:51,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:40:51,880 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:51,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:51,881 INFO L82 PathProgramCache]: Analyzing trace with hash -568587444, now seen corresponding path program 1 times [2021-01-06 18:40:51,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:51,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919551187] [2021-01-06 18:40:51,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:51,953 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 18:40:51,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919551187] [2021-01-06 18:40:51,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:51,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:51,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527570684] [2021-01-06 18:40:51,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:51,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:51,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:51,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:51,959 INFO L87 Difference]: Start difference. First operand 491 states and 855 transitions. Second operand 3 states. [2021-01-06 18:40:52,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:52,044 INFO L93 Difference]: Finished difference Result 1401 states and 2469 transitions. [2021-01-06 18:40:52,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:52,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2021-01-06 18:40:52,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:52,052 INFO L225 Difference]: With dead ends: 1401 [2021-01-06 18:40:52,052 INFO L226 Difference]: Without dead ends: 941 [2021-01-06 18:40:52,053 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 18:40:52,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2021-01-06 18:40:52,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 861. [2021-01-06 18:40:52,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2021-01-06 18:40:52,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1532 transitions. [2021-01-06 18:40:52,120 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1532 transitions. Word has length 55 [2021-01-06 18:40:52,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:52,120 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1532 transitions. [2021-01-06 18:40:52,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:52,120 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1532 transitions. [2021-01-06 18:40:52,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-06 18:40:52,122 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:52,122 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] [2021-01-06 18:40:52,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:40:52,122 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:52,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:52,123 INFO L82 PathProgramCache]: Analyzing trace with hash -880529814, now seen corresponding path program 1 times [2021-01-06 18:40:52,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:52,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535277559] [2021-01-06 18:40:52,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:52,200 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 18:40:52,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535277559] [2021-01-06 18:40:52,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805677764] [2021-01-06 18:40:52,201 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 18:40:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:52,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:40:52,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:40:52,755 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 18:40:52,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:40:52,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:40:52,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411498189] [2021-01-06 18:40:52,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:40:52,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:52,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:40:52,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:40:52,758 INFO L87 Difference]: Start difference. First operand 861 states and 1532 transitions. Second operand 5 states. [2021-01-06 18:40:52,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:52,863 INFO L93 Difference]: Finished difference Result 1244 states and 2175 transitions. [2021-01-06 18:40:52,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:40:52,863 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2021-01-06 18:40:52,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:52,871 INFO L225 Difference]: With dead ends: 1244 [2021-01-06 18:40:52,872 INFO L226 Difference]: Without dead ends: 1164 [2021-01-06 18:40:52,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 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 18:40:52,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2021-01-06 18:40:52,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1081. [2021-01-06 18:40:52,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2021-01-06 18:40:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1929 transitions. [2021-01-06 18:40:52,965 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1929 transitions. Word has length 55 [2021-01-06 18:40:52,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:52,965 INFO L481 AbstractCegarLoop]: Abstraction has 1081 states and 1929 transitions. [2021-01-06 18:40:52,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:40:52,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1929 transitions. [2021-01-06 18:40:52,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 18:40:52,968 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:52,968 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:40:53,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:40:53,184 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:53,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:53,184 INFO L82 PathProgramCache]: Analyzing trace with hash 381028871, now seen corresponding path program 1 times [2021-01-06 18:40:53,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:53,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590827648] [2021-01-06 18:40:53,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:53,262 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 18:40:53,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590827648] [2021-01-06 18:40:53,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:53,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:53,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44808088] [2021-01-06 18:40:53,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:53,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:53,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:53,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:53,265 INFO L87 Difference]: Start difference. First operand 1081 states and 1929 transitions. Second operand 3 states. [2021-01-06 18:40:53,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:53,414 INFO L93 Difference]: Finished difference Result 2873 states and 5154 transitions. [2021-01-06 18:40:53,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:53,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2021-01-06 18:40:53,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:53,427 INFO L225 Difference]: With dead ends: 2873 [2021-01-06 18:40:53,427 INFO L226 Difference]: Without dead ends: 1893 [2021-01-06 18:40:53,433 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 18:40:53,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1893 states. [2021-01-06 18:40:53,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1893 to 1813. [2021-01-06 18:40:53,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1813 states. [2021-01-06 18:40:53,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 3262 transitions. [2021-01-06 18:40:53,580 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 3262 transitions. Word has length 59 [2021-01-06 18:40:53,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:53,582 INFO L481 AbstractCegarLoop]: Abstraction has 1813 states and 3262 transitions. [2021-01-06 18:40:53,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:53,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 3262 transitions. [2021-01-06 18:40:53,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 18:40:53,586 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:53,586 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] [2021-01-06 18:40:53,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:40:53,586 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:53,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:53,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1949337479, now seen corresponding path program 1 times [2021-01-06 18:40:53,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:53,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311543249] [2021-01-06 18:40:53,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:53,679 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 18:40:53,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311543249] [2021-01-06 18:40:53,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:53,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:53,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355251773] [2021-01-06 18:40:53,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:53,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:53,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:53,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:53,688 INFO L87 Difference]: Start difference. First operand 1813 states and 3262 transitions. Second operand 3 states. [2021-01-06 18:40:53,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:53,903 INFO L93 Difference]: Finished difference Result 4805 states and 8672 transitions. [2021-01-06 18:40:53,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:53,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2021-01-06 18:40:53,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:53,925 INFO L225 Difference]: With dead ends: 4805 [2021-01-06 18:40:53,925 INFO L226 Difference]: Without dead ends: 3127 [2021-01-06 18:40:53,930 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 18:40:53,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3127 states. [2021-01-06 18:40:54,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3127 to 3047. [2021-01-06 18:40:54,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3047 states. [2021-01-06 18:40:54,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 3047 states and 5503 transitions. [2021-01-06 18:40:54,207 INFO L78 Accepts]: Start accepts. Automaton has 3047 states and 5503 transitions. Word has length 60 [2021-01-06 18:40:54,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:54,207 INFO L481 AbstractCegarLoop]: Abstraction has 3047 states and 5503 transitions. [2021-01-06 18:40:54,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:54,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3047 states and 5503 transitions. [2021-01-06 18:40:54,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 18:40:54,216 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:54,216 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] [2021-01-06 18:40:54,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:40:54,217 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:54,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:54,217 INFO L82 PathProgramCache]: Analyzing trace with hash 188142840, now seen corresponding path program 1 times [2021-01-06 18:40:54,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:54,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196019135] [2021-01-06 18:40:54,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:54,285 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 18:40:54,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196019135] [2021-01-06 18:40:54,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:54,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:54,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936259238] [2021-01-06 18:40:54,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:54,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:54,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:54,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:54,289 INFO L87 Difference]: Start difference. First operand 3047 states and 5503 transitions. Second operand 3 states. [2021-01-06 18:40:54,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:54,635 INFO L93 Difference]: Finished difference Result 8223 states and 14878 transitions. [2021-01-06 18:40:54,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:54,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 18:40:54,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:54,667 INFO L225 Difference]: With dead ends: 8223 [2021-01-06 18:40:54,667 INFO L226 Difference]: Without dead ends: 5345 [2021-01-06 18:40:54,674 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 18:40:54,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5345 states. [2021-01-06 18:40:55,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5345 to 5265. [2021-01-06 18:40:55,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5265 states. [2021-01-06 18:40:55,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5265 states to 5265 states and 9520 transitions. [2021-01-06 18:40:55,111 INFO L78 Accepts]: Start accepts. Automaton has 5265 states and 9520 transitions. Word has length 61 [2021-01-06 18:40:55,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:55,111 INFO L481 AbstractCegarLoop]: Abstraction has 5265 states and 9520 transitions. [2021-01-06 18:40:55,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:55,112 INFO L276 IsEmpty]: Start isEmpty. Operand 5265 states and 9520 transitions. [2021-01-06 18:40:55,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 18:40:55,116 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:55,116 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] [2021-01-06 18:40:55,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:40:55,117 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:55,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:55,117 INFO L82 PathProgramCache]: Analyzing trace with hash -845997736, now seen corresponding path program 1 times [2021-01-06 18:40:55,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:55,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081835962] [2021-01-06 18:40:55,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:55,193 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 18:40:55,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081835962] [2021-01-06 18:40:55,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:55,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:55,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227218459] [2021-01-06 18:40:55,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:55,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:55,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:55,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:55,200 INFO L87 Difference]: Start difference. First operand 5265 states and 9520 transitions. Second operand 3 states. [2021-01-06 18:40:55,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:55,805 INFO L93 Difference]: Finished difference Result 15203 states and 27540 transitions. [2021-01-06 18:40:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:55,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2021-01-06 18:40:55,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:55,879 INFO L225 Difference]: With dead ends: 15203 [2021-01-06 18:40:55,879 INFO L226 Difference]: Without dead ends: 10115 [2021-01-06 18:40:55,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:55,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10115 states. [2021-01-06 18:40:56,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10115 to 10035. [2021-01-06 18:40:56,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10035 states. [2021-01-06 18:40:56,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10035 states to 10035 states and 18161 transitions. [2021-01-06 18:40:56,610 INFO L78 Accepts]: Start accepts. Automaton has 10035 states and 18161 transitions. Word has length 62 [2021-01-06 18:40:56,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:56,611 INFO L481 AbstractCegarLoop]: Abstraction has 10035 states and 18161 transitions. [2021-01-06 18:40:56,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:56,611 INFO L276 IsEmpty]: Start isEmpty. Operand 10035 states and 18161 transitions. [2021-01-06 18:40:56,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-01-06 18:40:56,616 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:56,616 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] [2021-01-06 18:40:56,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:40:56,616 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:56,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:56,617 INFO L82 PathProgramCache]: Analyzing trace with hash 412271399, now seen corresponding path program 1 times [2021-01-06 18:40:56,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:56,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124695398] [2021-01-06 18:40:56,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:56,683 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 18:40:56,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124695398] [2021-01-06 18:40:56,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:56,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:56,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631722685] [2021-01-06 18:40:56,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:56,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:56,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:56,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:56,685 INFO L87 Difference]: Start difference. First operand 10035 states and 18161 transitions. Second operand 3 states. [2021-01-06 18:40:57,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:57,859 INFO L93 Difference]: Finished difference Result 29343 states and 53162 transitions. [2021-01-06 18:40:57,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:57,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2021-01-06 18:40:57,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:57,922 INFO L225 Difference]: With dead ends: 29343 [2021-01-06 18:40:57,923 INFO L226 Difference]: Without dead ends: 19493 [2021-01-06 18:40:57,944 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 18:40:57,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19493 states. [2021-01-06 18:40:59,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19493 to 19413. [2021-01-06 18:40:59,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19413 states. [2021-01-06 18:40:59,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19413 states to 19413 states and 35122 transitions. [2021-01-06 18:40:59,272 INFO L78 Accepts]: Start accepts. Automaton has 19413 states and 35122 transitions. Word has length 63 [2021-01-06 18:40:59,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:59,272 INFO L481 AbstractCegarLoop]: Abstraction has 19413 states and 35122 transitions. [2021-01-06 18:40:59,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:59,273 INFO L276 IsEmpty]: Start isEmpty. Operand 19413 states and 35122 transitions. [2021-01-06 18:40:59,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 18:40:59,280 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:59,281 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] [2021-01-06 18:40:59,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:40:59,281 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:59,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:59,282 INFO L82 PathProgramCache]: Analyzing trace with hash 146900455, now seen corresponding path program 1 times [2021-01-06 18:40:59,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:59,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101565256] [2021-01-06 18:40:59,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:59,349 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 18:40:59,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101565256] [2021-01-06 18:40:59,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:59,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:59,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453385350] [2021-01-06 18:40:59,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:59,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:59,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:59,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:59,352 INFO L87 Difference]: Start difference. First operand 19413 states and 35122 transitions. Second operand 3 states. [2021-01-06 18:41:00,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:41:00,981 INFO L93 Difference]: Finished difference Result 57663 states and 104359 transitions. [2021-01-06 18:41:00,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:41:00,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2021-01-06 18:41:00,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:41:01,111 INFO L225 Difference]: With dead ends: 57663 [2021-01-06 18:41:01,111 INFO L226 Difference]: Without dead ends: 38439 [2021-01-06 18:41:01,142 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 18:41:01,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38439 states. [2021-01-06 18:41:03,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38439 to 38359. [2021-01-06 18:41:03,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38359 states. [2021-01-06 18:41:03,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38359 states to 38359 states and 69299 transitions. [2021-01-06 18:41:03,580 INFO L78 Accepts]: Start accepts. Automaton has 38359 states and 69299 transitions. Word has length 64 [2021-01-06 18:41:03,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:41:03,580 INFO L481 AbstractCegarLoop]: Abstraction has 38359 states and 69299 transitions. [2021-01-06 18:41:03,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:41:03,580 INFO L276 IsEmpty]: Start isEmpty. Operand 38359 states and 69299 transitions. [2021-01-06 18:41:03,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 18:41:03,587 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:41:03,588 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] [2021-01-06 18:41:03,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:41:03,588 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:41:03,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:41:03,589 INFO L82 PathProgramCache]: Analyzing trace with hash -623212146, now seen corresponding path program 1 times [2021-01-06 18:41:03,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:41:03,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491303090] [2021-01-06 18:41:03,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:41:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:41:03,679 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 18:41:03,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491303090] [2021-01-06 18:41:03,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:41:03,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:41:03,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102818376] [2021-01-06 18:41:03,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:41:03,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:41:03,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:41:03,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:41:03,682 INFO L87 Difference]: Start difference. First operand 38359 states and 69299 transitions. Second operand 5 states. [2021-01-06 18:41:06,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:41:06,474 INFO L93 Difference]: Finished difference Result 112772 states and 203696 transitions. [2021-01-06 18:41:06,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:41:06,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2021-01-06 18:41:06,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:41:06,700 INFO L225 Difference]: With dead ends: 112772 [2021-01-06 18:41:06,701 INFO L226 Difference]: Without dead ends: 74670 [2021-01-06 18:41:06,762 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 18:41:07,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74670 states. [2021-01-06 18:41:09,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74670 to 38359. [2021-01-06 18:41:09,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38359 states. [2021-01-06 18:41:09,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38359 states to 38359 states and 69041 transitions. [2021-01-06 18:41:09,241 INFO L78 Accepts]: Start accepts. Automaton has 38359 states and 69041 transitions. Word has length 65 [2021-01-06 18:41:09,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:41:09,241 INFO L481 AbstractCegarLoop]: Abstraction has 38359 states and 69041 transitions. [2021-01-06 18:41:09,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:41:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 38359 states and 69041 transitions. [2021-01-06 18:41:09,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 18:41:09,258 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:41:09,258 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] [2021-01-06 18:41:09,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:41:09,258 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:41:09,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:41:09,259 INFO L82 PathProgramCache]: Analyzing trace with hash -935154516, now seen corresponding path program 2 times [2021-01-06 18:41:09,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:41:09,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978122980] [2021-01-06 18:41:09,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:41:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:41:09,337 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 18:41:09,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978122980] [2021-01-06 18:41:09,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:41:09,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:41:09,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518011540] [2021-01-06 18:41:09,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:41:09,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:41:09,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:41:09,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:41:09,341 INFO L87 Difference]: Start difference. First operand 38359 states and 69041 transitions. Second operand 5 states. [2021-01-06 18:41:10,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:41:10,963 INFO L93 Difference]: Finished difference Result 76535 states and 137761 transitions. [2021-01-06 18:41:10,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:41:10,963 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2021-01-06 18:41:10,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:41:11,038 INFO L225 Difference]: With dead ends: 76535 [2021-01-06 18:41:11,038 INFO L226 Difference]: Without dead ends: 38439 [2021-01-06 18:41:11,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:41:11,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38439 states. [2021-01-06 18:41:12,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38439 to 38359. [2021-01-06 18:41:12,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38359 states. [2021-01-06 18:41:12,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38359 states to 38359 states and 68913 transitions. [2021-01-06 18:41:12,990 INFO L78 Accepts]: Start accepts. Automaton has 38359 states and 68913 transitions. Word has length 65 [2021-01-06 18:41:12,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:41:12,991 INFO L481 AbstractCegarLoop]: Abstraction has 38359 states and 68913 transitions. [2021-01-06 18:41:12,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:41:12,991 INFO L276 IsEmpty]: Start isEmpty. Operand 38359 states and 68913 transitions. [2021-01-06 18:41:12,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 18:41:12,996 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:41:12,996 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] [2021-01-06 18:41:12,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:41:12,996 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:41:12,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:41:12,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1725324391, now seen corresponding path program 1 times [2021-01-06 18:41:12,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:41:12,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697387108] [2021-01-06 18:41:12,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:41:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:41:13,075 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 18:41:13,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697387108] [2021-01-06 18:41:13,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:41:13,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:41:13,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136841328] [2021-01-06 18:41:13,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:41:13,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:41:13,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:41:13,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:41:13,078 INFO L87 Difference]: Start difference. First operand 38359 states and 68913 transitions. Second operand 3 states. [2021-01-06 18:41:16,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:41:16,053 INFO L93 Difference]: Finished difference Result 106657 states and 191339 transitions. [2021-01-06 18:41:16,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:41:16,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2021-01-06 18:41:16,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:41:16,200 INFO L225 Difference]: With dead ends: 106657 [2021-01-06 18:41:16,200 INFO L226 Difference]: Without dead ends: 68521 [2021-01-06 18:41:16,240 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 18:41:16,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68521 states. [2021-01-06 18:41:19,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68521 to 68441. [2021-01-06 18:41:19,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68441 states. [2021-01-06 18:41:19,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68441 states to 68441 states and 122418 transitions. [2021-01-06 18:41:19,533 INFO L78 Accepts]: Start accepts. Automaton has 68441 states and 122418 transitions. Word has length 65 [2021-01-06 18:41:19,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:41:19,534 INFO L481 AbstractCegarLoop]: Abstraction has 68441 states and 122418 transitions. [2021-01-06 18:41:19,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:41:19,534 INFO L276 IsEmpty]: Start isEmpty. Operand 68441 states and 122418 transitions. [2021-01-06 18:41:19,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 18:41:19,541 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:41:19,541 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] [2021-01-06 18:41:19,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:41:19,541 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:41:19,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:41:19,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1331173874, now seen corresponding path program 1 times [2021-01-06 18:41:19,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:41:19,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497360804] [2021-01-06 18:41:19,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:41:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:41:19,662 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 18:41:19,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497360804] [2021-01-06 18:41:19,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:41:19,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:41:19,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156018315] [2021-01-06 18:41:19,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:41:19,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:41:19,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:41:19,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:41:19,665 INFO L87 Difference]: Start difference. First operand 68441 states and 122418 transitions. Second operand 10 states. [2021-01-06 18:41:23,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:41:23,176 INFO L93 Difference]: Finished difference Result 68944 states and 123125 transitions. [2021-01-06 18:41:23,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-06 18:41:23,181 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2021-01-06 18:41:23,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:41:23,293 INFO L225 Difference]: With dead ends: 68944 [2021-01-06 18:41:23,294 INFO L226 Difference]: Without dead ends: 68886 [2021-01-06 18:41:23,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=290, Invalid=766, Unknown=0, NotChecked=0, Total=1056 [2021-01-06 18:41:23,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68886 states. [2021-01-06 18:41:26,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68886 to 68481. [2021-01-06 18:41:26,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68481 states. [2021-01-06 18:41:26,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68481 states to 68481 states and 122476 transitions. [2021-01-06 18:41:26,524 INFO L78 Accepts]: Start accepts. Automaton has 68481 states and 122476 transitions. Word has length 66 [2021-01-06 18:41:26,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:41:26,524 INFO L481 AbstractCegarLoop]: Abstraction has 68481 states and 122476 transitions. [2021-01-06 18:41:26,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:41:26,524 INFO L276 IsEmpty]: Start isEmpty. Operand 68481 states and 122476 transitions. [2021-01-06 18:41:26,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:41:26,534 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:41:26,534 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] [2021-01-06 18:41:26,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:41:26,534 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:41:26,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:41:26,535 INFO L82 PathProgramCache]: Analyzing trace with hash -168771577, now seen corresponding path program 1 times [2021-01-06 18:41:26,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:41:26,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307277939] [2021-01-06 18:41:26,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:41:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:41:26,612 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 18:41:26,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307277939] [2021-01-06 18:41:26,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:41:26,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:41:26,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487874628] [2021-01-06 18:41:26,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:41:26,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:41:26,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:41:26,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:41:26,616 INFO L87 Difference]: Start difference. First operand 68481 states and 122476 transitions. Second operand 4 states. [2021-01-06 18:41:29,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:41:29,685 INFO L93 Difference]: Finished difference Result 68574 states and 122613 transitions. [2021-01-06 18:41:29,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:41:29,687 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2021-01-06 18:41:29,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:41:29,687 INFO L225 Difference]: With dead ends: 68574 [2021-01-06 18:41:29,687 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 18:41:29,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:41:29,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 18:41:29,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 18:41:29,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 18:41:29,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 18:41:29,724 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2021-01-06 18:41:29,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:41:29,724 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 18:41:29,724 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:41:29,725 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 18:41:29,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 18:41:29,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:41:29,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 18:41:29,997 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 115 [2021-01-06 18:41:33,938 WARN L197 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 1096 DAG size of output: 750 [2021-01-06 18:41:44,284 WARN L197 SmtUtils]: Spent 10.34 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2021-01-06 18:41:53,007 WARN L197 SmtUtils]: Spent 8.71 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2021-01-06 18:41:55,672 WARN L197 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2021-01-06 18:41:58,481 WARN L197 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 712 DAG size of output: 653 [2021-01-06 18:42:01,346 WARN L197 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 712 DAG size of output: 641 [2021-01-06 18:42:01,548 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 129 [2021-01-06 18:42:10,866 WARN L197 SmtUtils]: Spent 9.31 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2021-01-06 18:42:20,292 WARN L197 SmtUtils]: Spent 9.35 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2021-01-06 18:42:29,644 WARN L197 SmtUtils]: Spent 9.20 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2021-01-06 18:42:39,374 WARN L197 SmtUtils]: Spent 9.63 s on a formula simplification. DAG size of input: 1366 DAG size of output: 1110 [2021-01-06 18:42:48,577 WARN L197 SmtUtils]: Spent 9.20 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2021-01-06 18:42:57,849 WARN L197 SmtUtils]: Spent 9.19 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2021-01-06 18:43:07,092 WARN L197 SmtUtils]: Spent 9.05 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2021-01-06 18:43:09,639 WARN L197 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 712 DAG size of output: 641 [2021-01-06 18:43:18,752 WARN L197 SmtUtils]: Spent 9.07 s on a formula simplification. DAG size of input: 1355 DAG size of output: 1099 [2021-01-06 18:43:20,987 WARN L197 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 1096 DAG size of output: 746 [2021-01-06 18:43:23,253 WARN L197 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 1096 DAG size of output: 750 [2021-01-06 18:43:32,139 WARN L197 SmtUtils]: Spent 8.88 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2021-01-06 18:43:41,339 WARN L197 SmtUtils]: Spent 9.19 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2021-01-06 18:43:50,554 WARN L197 SmtUtils]: Spent 9.14 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2021-01-06 18:43:51,958 WARN L197 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 328 DAG size of output: 320 [2021-01-06 18:43:54,675 WARN L197 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2021-01-06 18:43:57,370 WARN L197 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 712 DAG size of output: 653 [2021-01-06 18:44:00,075 WARN L197 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2021-01-06 18:44:02,766 WARN L197 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 712 DAG size of output: 653 [2021-01-06 18:44:05,377 WARN L197 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 712 DAG size of output: 641 [2021-01-06 18:44:06,750 WARN L197 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 328 DAG size of output: 320 [2021-01-06 18:44:15,721 WARN L197 SmtUtils]: Spent 8.97 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2021-01-06 18:44:18,405 WARN L197 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2021-01-06 18:44:21,071 WARN L197 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2021-01-06 18:44:23,852 WARN L197 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 712 DAG size of output: 653 [2021-01-06 18:44:26,393 WARN L197 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 712 DAG size of output: 641 [2021-01-06 18:44:29,030 WARN L197 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2021-01-06 18:44:31,377 WARN L197 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 1096 DAG size of output: 750 [2021-01-06 18:44:40,275 WARN L197 SmtUtils]: Spent 8.89 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2021-01-06 18:44:43,183 WARN L197 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 712 DAG size of output: 641 [2021-01-06 18:44:45,536 WARN L197 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 1096 DAG size of output: 754 [2021-01-06 18:44:47,969 WARN L197 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 705 DAG size of output: 694 [2021-01-06 18:44:56,798 WARN L197 SmtUtils]: Spent 8.82 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2021-01-06 18:44:59,425 WARN L197 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 709 DAG size of output: 699