/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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:44:47,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:44:47,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:44:47,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:44:47,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:44:47,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:44:47,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:44:47,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:44:47,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:44:47,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:44:47,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:44:47,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:44:47,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:44:47,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:44:47,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:44:47,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:44:47,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:44:47,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:44:47,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:44:47,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:44:47,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:44:47,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:44:47,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:44:47,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:44:47,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:44:47,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:44:47,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:44:47,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:44:47,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:44:47,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:44:47,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:44:47,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:44:47,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:44:47,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:44:47,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:44:47,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:44:47,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:44:47,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:44:47,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:44:47,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:44:47,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:44:47,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:44:47,401 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:44:47,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:44:47,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:44:47,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:44:47,409 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:44:47,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:44:47,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:44:47,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:44:47,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:44:47,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:44:47,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:44:47,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:44:47,412 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:44:47,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:44:47,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:44:47,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:44:47,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:44:47,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:44:47,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:44:47,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:44:47,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:44:47,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:44:47,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:44:47,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:44:47,415 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:44:47,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:44:47,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:44:47,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:44:47,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:44:47,883 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:44:47,886 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:44:47,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product24.cil.c [2020-12-23 08:44:47,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9cb955e44/714dae17a8cb4a709386a7bcaf32ffc4/FLAG35c3c9c49 [2020-12-23 08:44:48,896 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:44:48,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product24.cil.c [2020-12-23 08:44:48,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9cb955e44/714dae17a8cb4a709386a7bcaf32ffc4/FLAG35c3c9c49 [2020-12-23 08:44:49,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9cb955e44/714dae17a8cb4a709386a7bcaf32ffc4 [2020-12-23 08:44:49,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:44:49,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:44:49,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:44:49,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:44:49,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:44:49,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:44:49" (1/1) ... [2020-12-23 08:44:49,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76adc569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:49, skipping insertion in model container [2020-12-23 08:44:49,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:44:49" (1/1) ... [2020-12-23 08:44:49,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:44:49,205 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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~4,] 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~5,] 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,] [2020-12-23 08:44:49,688 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_product24.cil.c[16563,16576] 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_tmp3~2,] 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~6,] 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~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] 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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] 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~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_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~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_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__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~19,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2020-12-23 08:44:50,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:44:50,157 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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~4,] 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~5,] 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,] [2020-12-23 08:44:50,265 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_product24.cil.c[16563,16576] 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_tmp3~2,] 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~6,] 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~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] 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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] 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~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_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~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_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__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~19,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2020-12-23 08:44:50,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:44:50,426 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:44:50,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:50 WrapperNode [2020-12-23 08:44:50,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:44:50,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:44:50,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:44:50,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:44:50,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:50" (1/1) ... [2020-12-23 08:44:50,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:50" (1/1) ... [2020-12-23 08:44:50,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:44:50,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:44:50,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:44:50,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:44:50,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:50" (1/1) ... [2020-12-23 08:44:50,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:50" (1/1) ... [2020-12-23 08:44:50,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:50" (1/1) ... [2020-12-23 08:44:50,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:50" (1/1) ... [2020-12-23 08:44:50,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:50" (1/1) ... [2020-12-23 08:44:50,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:50" (1/1) ... [2020-12-23 08:44:50,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:50" (1/1) ... [2020-12-23 08:44:50,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:44:50,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:44:50,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:44:50,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:44:50,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:44:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:44:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:44:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:44:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:44:50,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:44:53,330 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:44:53,331 INFO L299 CfgBuilder]: Removed 323 assume(true) statements. [2020-12-23 08:44:53,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:44:53 BoogieIcfgContainer [2020-12-23 08:44:53,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:44:53,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:44:53,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:44:53,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:44:53,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:44:49" (1/3) ... [2020-12-23 08:44:53,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e8f79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:44:53, skipping insertion in model container [2020-12-23 08:44:53,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:50" (2/3) ... [2020-12-23 08:44:53,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e8f79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:44:53, skipping insertion in model container [2020-12-23 08:44:53,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:44:53" (3/3) ... [2020-12-23 08:44:53,353 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product24.cil.c [2020-12-23 08:44:53,361 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:44:53,367 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:44:53,390 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:44:53,443 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:44:53,443 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:44:53,444 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:44:53,444 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:44:53,444 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:44:53,444 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:44:53,444 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:44:53,444 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:44:53,482 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states. [2020-12-23 08:44:53,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 08:44:53,511 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:53,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:53,513 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:53,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:53,523 INFO L82 PathProgramCache]: Analyzing trace with hash 783021100, now seen corresponding path program 1 times [2020-12-23 08:44:53,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:53,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031003599] [2020-12-23 08:44:53,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:54,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031003599] [2020-12-23 08:44:54,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:54,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:54,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767728044] [2020-12-23 08:44:54,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:54,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:54,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:54,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:54,126 INFO L87 Difference]: Start difference. First operand 463 states. Second operand 3 states. [2020-12-23 08:44:54,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:54,330 INFO L93 Difference]: Finished difference Result 1354 states and 2339 transitions. [2020-12-23 08:44:54,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:54,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-23 08:44:54,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:54,396 INFO L225 Difference]: With dead ends: 1354 [2020-12-23 08:44:54,397 INFO L226 Difference]: Without dead ends: 822 [2020-12-23 08:44:54,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:54,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2020-12-23 08:44:54,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 420. [2020-12-23 08:44:54,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-12-23 08:44:54,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 724 transitions. [2020-12-23 08:44:54,526 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 724 transitions. Word has length 45 [2020-12-23 08:44:54,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:54,527 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 724 transitions. [2020-12-23 08:44:54,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:54,527 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 724 transitions. [2020-12-23 08:44:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 08:44:54,533 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:54,534 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] [2020-12-23 08:44:54,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:44:54,535 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:54,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:54,538 INFO L82 PathProgramCache]: Analyzing trace with hash 748037433, now seen corresponding path program 1 times [2020-12-23 08:44:54,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:54,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002037541] [2020-12-23 08:44:54,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:54,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:54,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002037541] [2020-12-23 08:44:54,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:54,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:44:54,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806917346] [2020-12-23 08:44:54,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:54,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:54,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:54,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:54,664 INFO L87 Difference]: Start difference. First operand 420 states and 724 transitions. Second operand 5 states. [2020-12-23 08:44:55,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:55,011 INFO L93 Difference]: Finished difference Result 1209 states and 2088 transitions. [2020-12-23 08:44:55,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:44:55,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-12-23 08:44:55,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:55,032 INFO L225 Difference]: With dead ends: 1209 [2020-12-23 08:44:55,032 INFO L226 Difference]: Without dead ends: 808 [2020-12-23 08:44:55,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:44:55,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2020-12-23 08:44:55,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 420. [2020-12-23 08:44:55,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-12-23 08:44:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 723 transitions. [2020-12-23 08:44:55,119 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 723 transitions. Word has length 47 [2020-12-23 08:44:55,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:55,119 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 723 transitions. [2020-12-23 08:44:55,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 723 transitions. [2020-12-23 08:44:55,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 08:44:55,131 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:55,131 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] [2020-12-23 08:44:55,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:44:55,132 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:55,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:55,132 INFO L82 PathProgramCache]: Analyzing trace with hash -164062644, now seen corresponding path program 1 times [2020-12-23 08:44:55,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:55,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341729562] [2020-12-23 08:44:55,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:55,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341729562] [2020-12-23 08:44:55,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:55,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:55,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382416842] [2020-12-23 08:44:55,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:55,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:55,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:55,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:55,279 INFO L87 Difference]: Start difference. First operand 420 states and 723 transitions. Second operand 3 states. [2020-12-23 08:44:55,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:55,346 INFO L93 Difference]: Finished difference Result 822 states and 1420 transitions. [2020-12-23 08:44:55,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:55,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 08:44:55,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:55,352 INFO L225 Difference]: With dead ends: 822 [2020-12-23 08:44:55,352 INFO L226 Difference]: Without dead ends: 425 [2020-12-23 08:44:55,354 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:55,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2020-12-23 08:44:55,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 420. [2020-12-23 08:44:55,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-12-23 08:44:55,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 722 transitions. [2020-12-23 08:44:55,408 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 722 transitions. Word has length 48 [2020-12-23 08:44:55,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:55,415 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 722 transitions. [2020-12-23 08:44:55,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:55,415 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 722 transitions. [2020-12-23 08:44:55,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 08:44:55,420 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:55,421 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] [2020-12-23 08:44:55,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:44:55,421 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:55,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:55,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1970531130, now seen corresponding path program 1 times [2020-12-23 08:44:55,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:55,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442037529] [2020-12-23 08:44:55,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:55,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442037529] [2020-12-23 08:44:55,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:55,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:55,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898032248] [2020-12-23 08:44:55,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:55,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:55,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:55,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:55,579 INFO L87 Difference]: Start difference. First operand 420 states and 722 transitions. Second operand 3 states. [2020-12-23 08:44:55,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:55,631 INFO L93 Difference]: Finished difference Result 832 states and 1433 transitions. [2020-12-23 08:44:55,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:55,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-12-23 08:44:55,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:55,636 INFO L225 Difference]: With dead ends: 832 [2020-12-23 08:44:55,636 INFO L226 Difference]: Without dead ends: 420 [2020-12-23 08:44:55,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:55,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2020-12-23 08:44:55,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2020-12-23 08:44:55,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-12-23 08:44:55,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 720 transitions. [2020-12-23 08:44:55,658 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 720 transitions. Word has length 49 [2020-12-23 08:44:55,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:55,658 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 720 transitions. [2020-12-23 08:44:55,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:55,658 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 720 transitions. [2020-12-23 08:44:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 08:44:55,660 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:55,660 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] [2020-12-23 08:44:55,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:44:55,660 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:55,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:55,662 INFO L82 PathProgramCache]: Analyzing trace with hash -169962095, now seen corresponding path program 1 times [2020-12-23 08:44:55,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:55,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409118365] [2020-12-23 08:44:55,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:55,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:55,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409118365] [2020-12-23 08:44:55,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:55,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:44:55,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297142296] [2020-12-23 08:44:55,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:55,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:55,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:55,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:55,804 INFO L87 Difference]: Start difference. First operand 420 states and 720 transitions. Second operand 5 states. [2020-12-23 08:44:56,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:56,008 INFO L93 Difference]: Finished difference Result 1199 states and 2068 transitions. [2020-12-23 08:44:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:44:56,008 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 08:44:56,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:56,017 INFO L225 Difference]: With dead ends: 1199 [2020-12-23 08:44:56,017 INFO L226 Difference]: Without dead ends: 806 [2020-12-23 08:44:56,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:44:56,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2020-12-23 08:44:56,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 420. [2020-12-23 08:44:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-12-23 08:44:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 719 transitions. [2020-12-23 08:44:56,052 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 719 transitions. Word has length 50 [2020-12-23 08:44:56,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:56,052 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 719 transitions. [2020-12-23 08:44:56,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:56,053 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 719 transitions. [2020-12-23 08:44:56,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 08:44:56,055 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:56,055 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] [2020-12-23 08:44:56,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:44:56,056 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:56,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:56,057 INFO L82 PathProgramCache]: Analyzing trace with hash 2133341838, now seen corresponding path program 1 times [2020-12-23 08:44:56,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:56,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422739330] [2020-12-23 08:44:56,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:56,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:56,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422739330] [2020-12-23 08:44:56,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:56,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:44:56,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851369127] [2020-12-23 08:44:56,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:56,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:56,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:56,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:56,208 INFO L87 Difference]: Start difference. First operand 420 states and 719 transitions. Second operand 5 states. [2020-12-23 08:44:56,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:56,413 INFO L93 Difference]: Finished difference Result 1204 states and 2073 transitions. [2020-12-23 08:44:56,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:44:56,414 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-23 08:44:56,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:56,420 INFO L225 Difference]: With dead ends: 1204 [2020-12-23 08:44:56,420 INFO L226 Difference]: Without dead ends: 811 [2020-12-23 08:44:56,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:44:56,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2020-12-23 08:44:56,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 420. [2020-12-23 08:44:56,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-12-23 08:44:56,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 718 transitions. [2020-12-23 08:44:56,489 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 718 transitions. Word has length 51 [2020-12-23 08:44:56,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:56,489 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 718 transitions. [2020-12-23 08:44:56,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 718 transitions. [2020-12-23 08:44:56,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 08:44:56,492 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:56,492 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:56,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:44:56,493 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:56,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:56,498 INFO L82 PathProgramCache]: Analyzing trace with hash -2019647882, now seen corresponding path program 1 times [2020-12-23 08:44:56,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:56,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840858748] [2020-12-23 08:44:56,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:56,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:56,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840858748] [2020-12-23 08:44:56,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:56,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:56,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174121999] [2020-12-23 08:44:56,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:56,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:56,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:56,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:56,610 INFO L87 Difference]: Start difference. First operand 420 states and 718 transitions. Second operand 3 states. [2020-12-23 08:44:56,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:56,658 INFO L93 Difference]: Finished difference Result 598 states and 1005 transitions. [2020-12-23 08:44:56,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:56,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-23 08:44:56,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:56,663 INFO L225 Difference]: With dead ends: 598 [2020-12-23 08:44:56,663 INFO L226 Difference]: Without dead ends: 423 [2020-12-23 08:44:56,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:56,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-12-23 08:44:56,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 422. [2020-12-23 08:44:56,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-12-23 08:44:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 720 transitions. [2020-12-23 08:44:56,696 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 720 transitions. Word has length 52 [2020-12-23 08:44:56,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:56,696 INFO L481 AbstractCegarLoop]: Abstraction has 422 states and 720 transitions. [2020-12-23 08:44:56,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:56,696 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 720 transitions. [2020-12-23 08:44:56,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 08:44:56,697 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:56,698 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:56,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:44:56,698 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:56,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:56,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1964466760, now seen corresponding path program 1 times [2020-12-23 08:44:56,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:56,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629686106] [2020-12-23 08:44:56,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:56,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:56,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629686106] [2020-12-23 08:44:56,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:56,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:56,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630495844] [2020-12-23 08:44:56,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:56,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:56,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:56,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:56,775 INFO L87 Difference]: Start difference. First operand 422 states and 720 transitions. Second operand 3 states. [2020-12-23 08:44:56,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:56,830 INFO L93 Difference]: Finished difference Result 1152 states and 1984 transitions. [2020-12-23 08:44:56,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:56,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-12-23 08:44:56,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:56,836 INFO L225 Difference]: With dead ends: 1152 [2020-12-23 08:44:56,836 INFO L226 Difference]: Without dead ends: 761 [2020-12-23 08:44:56,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:56,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2020-12-23 08:44:56,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 586. [2020-12-23 08:44:56,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-12-23 08:44:56,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 1020 transitions. [2020-12-23 08:44:56,880 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 1020 transitions. Word has length 60 [2020-12-23 08:44:56,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:56,880 INFO L481 AbstractCegarLoop]: Abstraction has 586 states and 1020 transitions. [2020-12-23 08:44:56,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:56,881 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1020 transitions. [2020-12-23 08:44:56,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 08:44:56,882 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:56,882 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:56,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:44:56,883 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:56,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:56,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1509889335, now seen corresponding path program 1 times [2020-12-23 08:44:56,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:56,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379638585] [2020-12-23 08:44:56,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:56,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:56,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379638585] [2020-12-23 08:44:56,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:56,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:44:56,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715771377] [2020-12-23 08:44:56,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:56,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:56,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:56,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:56,973 INFO L87 Difference]: Start difference. First operand 586 states and 1020 transitions. Second operand 5 states. [2020-12-23 08:44:57,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:57,234 INFO L93 Difference]: Finished difference Result 1688 states and 2966 transitions. [2020-12-23 08:44:57,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:44:57,235 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-12-23 08:44:57,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:57,242 INFO L225 Difference]: With dead ends: 1688 [2020-12-23 08:44:57,242 INFO L226 Difference]: Without dead ends: 1133 [2020-12-23 08:44:57,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:44:57,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2020-12-23 08:44:57,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 586. [2020-12-23 08:44:57,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-12-23 08:44:57,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 1018 transitions. [2020-12-23 08:44:57,304 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 1018 transitions. Word has length 61 [2020-12-23 08:44:57,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:57,305 INFO L481 AbstractCegarLoop]: Abstraction has 586 states and 1018 transitions. [2020-12-23 08:44:57,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:57,305 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1018 transitions. [2020-12-23 08:44:57,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 08:44:57,307 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:57,307 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:57,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:44:57,307 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:57,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:57,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1689069486, now seen corresponding path program 1 times [2020-12-23 08:44:57,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:57,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105756989] [2020-12-23 08:44:57,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:57,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:57,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105756989] [2020-12-23 08:44:57,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:57,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:57,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682659455] [2020-12-23 08:44:57,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:57,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:57,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:57,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:57,393 INFO L87 Difference]: Start difference. First operand 586 states and 1018 transitions. Second operand 3 states. [2020-12-23 08:44:57,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:57,474 INFO L93 Difference]: Finished difference Result 1686 states and 2958 transitions. [2020-12-23 08:44:57,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:57,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-23 08:44:57,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:57,483 INFO L225 Difference]: With dead ends: 1686 [2020-12-23 08:44:57,484 INFO L226 Difference]: Without dead ends: 1131 [2020-12-23 08:44:57,486 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:57,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2020-12-23 08:44:57,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 956. [2020-12-23 08:44:57,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 956 states. [2020-12-23 08:44:57,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1695 transitions. [2020-12-23 08:44:57,560 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1695 transitions. Word has length 62 [2020-12-23 08:44:57,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:57,560 INFO L481 AbstractCegarLoop]: Abstraction has 956 states and 1695 transitions. [2020-12-23 08:44:57,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:57,560 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1695 transitions. [2020-12-23 08:44:57,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 08:44:57,563 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:57,563 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:57,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:44:57,563 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:57,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:57,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1047566196, now seen corresponding path program 1 times [2020-12-23 08:44:57,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:57,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783165768] [2020-12-23 08:44:57,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:57,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:57,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783165768] [2020-12-23 08:44:57,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624058505] [2020-12-23 08:44:57,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:44:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:58,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:44:58,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:44:58,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:58,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:44:58,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:44:58,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16964464] [2020-12-23 08:44:58,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:58,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:58,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:58,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:58,232 INFO L87 Difference]: Start difference. First operand 956 states and 1695 transitions. Second operand 5 states. [2020-12-23 08:44:58,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:58,435 INFO L93 Difference]: Finished difference Result 1529 states and 2664 transitions. [2020-12-23 08:44:58,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:44:58,436 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2020-12-23 08:44:58,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:58,445 INFO L225 Difference]: With dead ends: 1529 [2020-12-23 08:44:58,445 INFO L226 Difference]: Without dead ends: 1354 [2020-12-23 08:44:58,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:58,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2020-12-23 08:44:58,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1176. [2020-12-23 08:44:58,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2020-12-23 08:44:58,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 2092 transitions. [2020-12-23 08:44:58,581 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 2092 transitions. Word has length 62 [2020-12-23 08:44:58,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:58,582 INFO L481 AbstractCegarLoop]: Abstraction has 1176 states and 2092 transitions. [2020-12-23 08:44:58,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:58,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 2092 transitions. [2020-12-23 08:44:58,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 08:44:58,591 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:58,591 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:58,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:44:58,805 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:58,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:58,806 INFO L82 PathProgramCache]: Analyzing trace with hash -2137333449, now seen corresponding path program 1 times [2020-12-23 08:44:58,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:58,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670568766] [2020-12-23 08:44:58,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:58,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:58,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670568766] [2020-12-23 08:44:58,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:58,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:58,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743708586] [2020-12-23 08:44:58,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:58,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:58,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:58,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:58,904 INFO L87 Difference]: Start difference. First operand 1176 states and 2092 transitions. Second operand 3 states. [2020-12-23 08:44:59,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:59,041 INFO L93 Difference]: Finished difference Result 3158 states and 5643 transitions. [2020-12-23 08:44:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:59,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-23 08:44:59,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:59,055 INFO L225 Difference]: With dead ends: 3158 [2020-12-23 08:44:59,056 INFO L226 Difference]: Without dead ends: 2083 [2020-12-23 08:44:59,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:59,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2020-12-23 08:44:59,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 1908. [2020-12-23 08:44:59,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1908 states. [2020-12-23 08:44:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 3425 transitions. [2020-12-23 08:44:59,219 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 3425 transitions. Word has length 66 [2020-12-23 08:44:59,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:59,220 INFO L481 AbstractCegarLoop]: Abstraction has 1908 states and 3425 transitions. [2020-12-23 08:44:59,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:59,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 3425 transitions. [2020-12-23 08:44:59,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 08:44:59,224 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:59,224 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:59,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:44:59,225 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:59,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:59,226 INFO L82 PathProgramCache]: Analyzing trace with hash -916442185, now seen corresponding path program 1 times [2020-12-23 08:44:59,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:59,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092065793] [2020-12-23 08:44:59,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:59,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:59,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092065793] [2020-12-23 08:44:59,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:59,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:59,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979381366] [2020-12-23 08:44:59,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:59,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:59,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:59,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:59,337 INFO L87 Difference]: Start difference. First operand 1908 states and 3425 transitions. Second operand 3 states. [2020-12-23 08:44:59,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:59,616 INFO L93 Difference]: Finished difference Result 5090 states and 9161 transitions. [2020-12-23 08:44:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:59,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-12-23 08:44:59,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:59,643 INFO L225 Difference]: With dead ends: 5090 [2020-12-23 08:44:59,643 INFO L226 Difference]: Without dead ends: 3317 [2020-12-23 08:44:59,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:59,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3317 states. [2020-12-23 08:44:59,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3317 to 3142. [2020-12-23 08:44:59,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3142 states. [2020-12-23 08:45:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3142 states to 3142 states and 5666 transitions. [2020-12-23 08:45:00,016 INFO L78 Accepts]: Start accepts. Automaton has 3142 states and 5666 transitions. Word has length 67 [2020-12-23 08:45:00,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:00,017 INFO L481 AbstractCegarLoop]: Abstraction has 3142 states and 5666 transitions. [2020-12-23 08:45:00,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:00,017 INFO L276 IsEmpty]: Start isEmpty. Operand 3142 states and 5666 transitions. [2020-12-23 08:45:00,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:45:00,024 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:00,024 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:00,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:45:00,025 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:00,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:00,025 INFO L82 PathProgramCache]: Analyzing trace with hash -193063642, now seen corresponding path program 1 times [2020-12-23 08:45:00,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:00,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221051869] [2020-12-23 08:45:00,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:00,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:45:00,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221051869] [2020-12-23 08:45:00,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:00,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:00,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071136118] [2020-12-23 08:45:00,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:00,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:00,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:00,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:00,151 INFO L87 Difference]: Start difference. First operand 3142 states and 5666 transitions. Second operand 3 states. [2020-12-23 08:45:00,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:00,522 INFO L93 Difference]: Finished difference Result 8508 states and 15367 transitions. [2020-12-23 08:45:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:00,523 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-12-23 08:45:00,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:00,561 INFO L225 Difference]: With dead ends: 8508 [2020-12-23 08:45:00,561 INFO L226 Difference]: Without dead ends: 5535 [2020-12-23 08:45:00,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:00,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5535 states. [2020-12-23 08:45:00,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5535 to 5360. [2020-12-23 08:45:00,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5360 states. [2020-12-23 08:45:00,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5360 states to 5360 states and 9683 transitions. [2020-12-23 08:45:00,985 INFO L78 Accepts]: Start accepts. Automaton has 5360 states and 9683 transitions. Word has length 68 [2020-12-23 08:45:00,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:00,986 INFO L481 AbstractCegarLoop]: Abstraction has 5360 states and 9683 transitions. [2020-12-23 08:45:00,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:00,986 INFO L276 IsEmpty]: Start isEmpty. Operand 5360 states and 9683 transitions. [2020-12-23 08:45:00,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:45:00,995 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:00,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:00,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:45:00,995 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:00,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:00,996 INFO L82 PathProgramCache]: Analyzing trace with hash -687987514, now seen corresponding path program 1 times [2020-12-23 08:45:00,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:00,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459829861] [2020-12-23 08:45:00,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:01,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:45:01,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459829861] [2020-12-23 08:45:01,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:01,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:01,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496421561] [2020-12-23 08:45:01,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:01,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:01,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:01,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:01,075 INFO L87 Difference]: Start difference. First operand 5360 states and 9683 transitions. Second operand 3 states. [2020-12-23 08:45:01,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:01,751 INFO L93 Difference]: Finished difference Result 15488 states and 28029 transitions. [2020-12-23 08:45:01,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:01,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-23 08:45:01,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:01,815 INFO L225 Difference]: With dead ends: 15488 [2020-12-23 08:45:01,815 INFO L226 Difference]: Without dead ends: 10305 [2020-12-23 08:45:01,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:01,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10305 states. [2020-12-23 08:45:02,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10305 to 10130. [2020-12-23 08:45:02,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10130 states. [2020-12-23 08:45:02,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10130 states to 10130 states and 18324 transitions. [2020-12-23 08:45:02,583 INFO L78 Accepts]: Start accepts. Automaton has 10130 states and 18324 transitions. Word has length 69 [2020-12-23 08:45:02,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:02,583 INFO L481 AbstractCegarLoop]: Abstraction has 10130 states and 18324 transitions. [2020-12-23 08:45:02,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:02,583 INFO L276 IsEmpty]: Start isEmpty. Operand 10130 states and 18324 transitions. [2020-12-23 08:45:02,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 08:45:02,591 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:02,592 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:02,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:45:02,592 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:02,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:02,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1529764841, now seen corresponding path program 1 times [2020-12-23 08:45:02,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:02,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800862342] [2020-12-23 08:45:02,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:02,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:45:02,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800862342] [2020-12-23 08:45:02,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:02,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:02,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318281482] [2020-12-23 08:45:02,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:02,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:02,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:02,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:02,678 INFO L87 Difference]: Start difference. First operand 10130 states and 18324 transitions. Second operand 3 states. [2020-12-23 08:45:03,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:03,784 INFO L93 Difference]: Finished difference Result 29628 states and 53651 transitions. [2020-12-23 08:45:03,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:03,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-23 08:45:03,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:03,861 INFO L225 Difference]: With dead ends: 29628 [2020-12-23 08:45:03,862 INFO L226 Difference]: Without dead ends: 19683 [2020-12-23 08:45:03,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:03,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19683 states. [2020-12-23 08:45:05,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19683 to 19508. [2020-12-23 08:45:05,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19508 states. [2020-12-23 08:45:05,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19508 states to 19508 states and 35285 transitions. [2020-12-23 08:45:05,167 INFO L78 Accepts]: Start accepts. Automaton has 19508 states and 35285 transitions. Word has length 70 [2020-12-23 08:45:05,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:05,167 INFO L481 AbstractCegarLoop]: Abstraction has 19508 states and 35285 transitions. [2020-12-23 08:45:05,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:05,167 INFO L276 IsEmpty]: Start isEmpty. Operand 19508 states and 35285 transitions. [2020-12-23 08:45:05,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 08:45:05,178 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:05,178 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:05,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:45:05,179 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:05,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:05,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1371949399, now seen corresponding path program 1 times [2020-12-23 08:45:05,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:05,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093935022] [2020-12-23 08:45:05,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:05,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:45:05,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093935022] [2020-12-23 08:45:05,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:05,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:05,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344916269] [2020-12-23 08:45:05,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:05,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:05,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:05,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:05,429 INFO L87 Difference]: Start difference. First operand 19508 states and 35285 transitions. Second operand 3 states. [2020-12-23 08:45:07,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:07,191 INFO L93 Difference]: Finished difference Result 57948 states and 104848 transitions. [2020-12-23 08:45:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:07,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2020-12-23 08:45:07,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:07,331 INFO L225 Difference]: With dead ends: 57948 [2020-12-23 08:45:07,331 INFO L226 Difference]: Without dead ends: 38629 [2020-12-23 08:45:07,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:07,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38629 states. [2020-12-23 08:45:09,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38629 to 38454. [2020-12-23 08:45:09,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38454 states. [2020-12-23 08:45:09,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38454 states to 38454 states and 69462 transitions. [2020-12-23 08:45:09,657 INFO L78 Accepts]: Start accepts. Automaton has 38454 states and 69462 transitions. Word has length 71 [2020-12-23 08:45:09,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:09,657 INFO L481 AbstractCegarLoop]: Abstraction has 38454 states and 69462 transitions. [2020-12-23 08:45:09,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:09,657 INFO L276 IsEmpty]: Start isEmpty. Operand 38454 states and 69462 transitions. [2020-12-23 08:45:09,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 08:45:09,668 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:09,668 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:09,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:45:09,669 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:09,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:09,670 INFO L82 PathProgramCache]: Analyzing trace with hash 150481872, now seen corresponding path program 1 times [2020-12-23 08:45:09,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:09,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860089871] [2020-12-23 08:45:09,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:09,756 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:45:09,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860089871] [2020-12-23 08:45:09,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:09,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:45:09,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114292528] [2020-12-23 08:45:09,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:45:09,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:09,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:45:09,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:45:09,758 INFO L87 Difference]: Start difference. First operand 38454 states and 69462 transitions. Second operand 5 states. [2020-12-23 08:45:12,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:12,518 INFO L93 Difference]: Finished difference Result 113057 states and 204185 transitions. [2020-12-23 08:45:12,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:45:12,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2020-12-23 08:45:12,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:12,975 INFO L225 Difference]: With dead ends: 113057 [2020-12-23 08:45:12,975 INFO L226 Difference]: Without dead ends: 74860 [2020-12-23 08:45:13,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:45:13,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74860 states. [2020-12-23 08:45:15,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74860 to 38454. [2020-12-23 08:45:15,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38454 states. [2020-12-23 08:45:15,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38454 states to 38454 states and 69204 transitions. [2020-12-23 08:45:15,515 INFO L78 Accepts]: Start accepts. Automaton has 38454 states and 69204 transitions. Word has length 72 [2020-12-23 08:45:15,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:15,515 INFO L481 AbstractCegarLoop]: Abstraction has 38454 states and 69204 transitions. [2020-12-23 08:45:15,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:45:15,516 INFO L276 IsEmpty]: Start isEmpty. Operand 38454 states and 69204 transitions. [2020-12-23 08:45:15,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 08:45:15,528 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:15,528 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:15,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:45:15,528 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:15,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:15,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1407849742, now seen corresponding path program 2 times [2020-12-23 08:45:15,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:15,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477843335] [2020-12-23 08:45:15,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:15,602 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:45:15,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477843335] [2020-12-23 08:45:15,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:15,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:15,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144596472] [2020-12-23 08:45:15,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:15,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:15,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:15,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:15,605 INFO L87 Difference]: Start difference. First operand 38454 states and 69204 transitions. Second operand 3 states. [2020-12-23 08:45:17,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:17,718 INFO L93 Difference]: Finished difference Result 76820 states and 138250 transitions. [2020-12-23 08:45:17,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:17,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-23 08:45:17,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:17,810 INFO L225 Difference]: With dead ends: 76820 [2020-12-23 08:45:17,810 INFO L226 Difference]: Without dead ends: 38629 [2020-12-23 08:45:17,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:17,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38629 states. [2020-12-23 08:45:19,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38629 to 38454. [2020-12-23 08:45:19,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38454 states. [2020-12-23 08:45:19,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38454 states to 38454 states and 69076 transitions. [2020-12-23 08:45:19,909 INFO L78 Accepts]: Start accepts. Automaton has 38454 states and 69076 transitions. Word has length 72 [2020-12-23 08:45:19,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:19,909 INFO L481 AbstractCegarLoop]: Abstraction has 38454 states and 69076 transitions. [2020-12-23 08:45:19,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:19,909 INFO L276 IsEmpty]: Start isEmpty. Operand 38454 states and 69076 transitions. [2020-12-23 08:45:19,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 08:45:19,923 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:19,923 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:19,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:45:19,924 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:19,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:19,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1190871195, now seen corresponding path program 1 times [2020-12-23 08:45:19,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:19,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872052263] [2020-12-23 08:45:19,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:19,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:45:19,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872052263] [2020-12-23 08:45:19,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:19,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:20,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311872808] [2020-12-23 08:45:20,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:20,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:20,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:20,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:20,002 INFO L87 Difference]: Start difference. First operand 38454 states and 69076 transitions. Second operand 3 states. [2020-12-23 08:45:22,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:22,962 INFO L93 Difference]: Finished difference Result 106942 states and 191828 transitions. [2020-12-23 08:45:22,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:22,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-23 08:45:22,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:23,106 INFO L225 Difference]: With dead ends: 106942 [2020-12-23 08:45:23,106 INFO L226 Difference]: Without dead ends: 68711 [2020-12-23 08:45:23,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:23,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68711 states. [2020-12-23 08:45:26,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68711 to 68536. [2020-12-23 08:45:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68536 states. [2020-12-23 08:45:26,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68536 states to 68536 states and 122581 transitions. [2020-12-23 08:45:26,559 INFO L78 Accepts]: Start accepts. Automaton has 68536 states and 122581 transitions. Word has length 72 [2020-12-23 08:45:26,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:26,560 INFO L481 AbstractCegarLoop]: Abstraction has 68536 states and 122581 transitions. [2020-12-23 08:45:26,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:26,560 INFO L276 IsEmpty]: Start isEmpty. Operand 68536 states and 122581 transitions. [2020-12-23 08:45:26,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 08:45:26,568 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:26,568 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:26,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:45:26,569 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:26,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:26,569 INFO L82 PathProgramCache]: Analyzing trace with hash 990782188, now seen corresponding path program 1 times [2020-12-23 08:45:26,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:26,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858463837] [2020-12-23 08:45:26,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:26,672 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:45:26,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858463837] [2020-12-23 08:45:26,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:26,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:45:26,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366179389] [2020-12-23 08:45:26,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:45:26,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:26,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:45:26,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:45:26,675 INFO L87 Difference]: Start difference. First operand 68536 states and 122581 transitions. Second operand 4 states. [2020-12-23 08:45:29,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:29,350 INFO L93 Difference]: Finished difference Result 68652 states and 122763 transitions. [2020-12-23 08:45:29,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:45:29,350 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 73 [2020-12-23 08:45:29,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:29,488 INFO L225 Difference]: With dead ends: 68652 [2020-12-23 08:45:29,488 INFO L226 Difference]: Without dead ends: 68536 [2020-12-23 08:45:29,504 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 [2020-12-23 08:45:29,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68536 states. [2020-12-23 08:45:32,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68536 to 68536. [2020-12-23 08:45:32,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68536 states. [2020-12-23 08:45:32,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68536 states to 68536 states and 122579 transitions. [2020-12-23 08:45:32,692 INFO L78 Accepts]: Start accepts. Automaton has 68536 states and 122579 transitions. Word has length 73 [2020-12-23 08:45:32,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:32,692 INFO L481 AbstractCegarLoop]: Abstraction has 68536 states and 122579 transitions. [2020-12-23 08:45:32,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:45:32,693 INFO L276 IsEmpty]: Start isEmpty. Operand 68536 states and 122579 transitions. [2020-12-23 08:45:32,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 08:45:32,703 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:32,703 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:32,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:45:32,704 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:32,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:32,704 INFO L82 PathProgramCache]: Analyzing trace with hash -95892062, now seen corresponding path program 1 times [2020-12-23 08:45:32,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:32,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88063049] [2020-12-23 08:45:32,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:32,864 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:45:32,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88063049] [2020-12-23 08:45:32,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:32,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:45:32,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376718760] [2020-12-23 08:45:32,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:45:32,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:32,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:45:32,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:45:32,867 INFO L87 Difference]: Start difference. First operand 68536 states and 122579 transitions. Second operand 11 states. [2020-12-23 08:45:36,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:36,985 INFO L93 Difference]: Finished difference Result 69925 states and 124782 transitions. [2020-12-23 08:45:36,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-23 08:45:36,988 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 76 [2020-12-23 08:45:36,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:37,105 INFO L225 Difference]: With dead ends: 69925 [2020-12-23 08:45:37,105 INFO L226 Difference]: Without dead ends: 69814 [2020-12-23 08:45:37,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=466, Invalid=1340, Unknown=0, NotChecked=0, Total=1806 [2020-12-23 08:45:37,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69814 states. [2020-12-23 08:45:40,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69814 to 68660. [2020-12-23 08:45:40,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68660 states. [2020-12-23 08:45:40,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68660 states to 68660 states and 122779 transitions. [2020-12-23 08:45:40,445 INFO L78 Accepts]: Start accepts. Automaton has 68660 states and 122779 transitions. Word has length 76 [2020-12-23 08:45:40,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:40,446 INFO L481 AbstractCegarLoop]: Abstraction has 68660 states and 122779 transitions. [2020-12-23 08:45:40,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:45:40,446 INFO L276 IsEmpty]: Start isEmpty. Operand 68660 states and 122779 transitions. [2020-12-23 08:45:40,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 08:45:40,457 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:40,457 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:40,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:45:40,458 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:40,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:40,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1458142448, now seen corresponding path program 1 times [2020-12-23 08:45:40,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:40,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385350305] [2020-12-23 08:45:40,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:40,531 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:45:40,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385350305] [2020-12-23 08:45:40,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:40,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:45:40,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030545875] [2020-12-23 08:45:40,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:45:40,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:40,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:45:40,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:45:40,533 INFO L87 Difference]: Start difference. First operand 68660 states and 122779 transitions. Second operand 4 states. [2020-12-23 08:45:43,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:43,015 INFO L93 Difference]: Finished difference Result 68835 states and 123060 transitions. [2020-12-23 08:45:43,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:45:43,016 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 77 [2020-12-23 08:45:43,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:43,016 INFO L225 Difference]: With dead ends: 68835 [2020-12-23 08:45:43,016 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 08:45:43,042 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 [2020-12-23 08:45:43,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 08:45:43,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 08:45:43,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 08:45:43,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 08:45:43,043 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2020-12-23 08:45:43,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:43,043 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 08:45:43,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:45:43,044 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 08:45:43,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 08:45:43,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:45:43,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 08:45:47,650 WARN L197 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 705 DAG size of output: 696 [2020-12-23 08:45:47,828 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 118 [2020-12-23 08:45:47,982 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 122 [2020-12-23 08:45:50,785 WARN L197 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 708 DAG size of output: 657 [2020-12-23 08:45:53,285 WARN L197 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 708 DAG size of output: 644 [2020-12-23 08:46:02,783 WARN L197 SmtUtils]: Spent 9.24 s on a formula simplification. DAG size of input: 1348 DAG size of output: 1144 [2020-12-23 08:46:11,805 WARN L197 SmtUtils]: Spent 8.90 s on a formula simplification. DAG size of input: 1348 DAG size of output: 1144 [2020-12-23 08:46:11,947 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 119 [2020-12-23 08:46:12,050 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 121 [2020-12-23 08:46:21,042 WARN L197 SmtUtils]: Spent 8.99 s on a formula simplification. DAG size of input: 1348 DAG size of output: 1144 [2020-12-23 08:46:23,755 WARN L197 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 705 DAG size of output: 696 [2020-12-23 08:46:32,523 WARN L197 SmtUtils]: Spent 8.72 s on a formula simplification. DAG size of input: 1348 DAG size of output: 1144 [2020-12-23 08:46:41,097 WARN L197 SmtUtils]: Spent 8.57 s on a formula simplification. DAG size of input: 1348 DAG size of output: 1144 [2020-12-23 08:46:49,657 WARN L197 SmtUtils]: Spent 8.50 s on a formula simplification. DAG size of input: 1348 DAG size of output: 1144 [2020-12-23 08:46:52,241 WARN L197 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 708 DAG size of output: 644 [2020-12-23 08:47:00,740 WARN L197 SmtUtils]: Spent 8.49 s on a formula simplification. DAG size of input: 1351 DAG size of output: 1147 [2020-12-23 08:47:02,922 WARN L197 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 1092 DAG size of output: 760 [2020-12-23 08:47:05,010 WARN L197 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 1092 DAG size of output: 760 [2020-12-23 08:47:13,404 WARN L197 SmtUtils]: Spent 8.35 s on a formula simplification. DAG size of input: 1348 DAG size of output: 1144 [2020-12-23 08:47:14,806 WARN L197 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 324 DAG size of output: 316 [2020-12-23 08:47:17,298 WARN L197 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 705 DAG size of output: 696 [2020-12-23 08:47:19,605 WARN L197 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 708 DAG size of output: 657 [2020-12-23 08:47:21,938 WARN L197 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 705 DAG size of output: 696 [2020-12-23 08:47:24,314 WARN L197 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 708 DAG size of output: 657 [2020-12-23 08:47:26,668 WARN L197 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 708 DAG size of output: 644 [2020-12-23 08:47:27,895 WARN L197 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 324 DAG size of output: 316 [2020-12-23 08:47:30,645 WARN L197 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 705 DAG size of output: 696 [2020-12-23 08:47:33,034 WARN L197 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 708 DAG size of output: 657 [2020-12-23 08:47:35,329 WARN L197 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 708 DAG size of output: 644 [2020-12-23 08:47:37,690 WARN L197 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 705 DAG size of output: 696 [2020-12-23 08:47:39,860 WARN L197 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 1092 DAG size of output: 760 [2020-12-23 08:47:48,156 WARN L197 SmtUtils]: Spent 8.29 s on a formula simplification. DAG size of input: 1348 DAG size of output: 1144 [2020-12-23 08:47:56,688 WARN L197 SmtUtils]: Spent 8.34 s on a formula simplification. DAG size of input: 1348 DAG size of output: 1144 [2020-12-23 08:47:58,993 WARN L197 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 708 DAG size of output: 644 [2020-12-23 08:48:01,074 WARN L197 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 1092 DAG size of output: 760 [2020-12-23 08:48:03,288 WARN L197 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 701 DAG size of output: 690 [2020-12-23 08:48:11,580 WARN L197 SmtUtils]: Spent 8.29 s on a formula simplification. DAG size of input: 1348 DAG size of output: 1144 [2020-12-23 08:48:13,911 WARN L197 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 705 DAG size of output: 696 [2020-12-23 08:48:16,205 WARN L197 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 708 DAG size of output: 650 [2020-12-23 08:48:18,770 WARN L197 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 705 DAG size of output: 696 [2020-12-23 08:48:21,071 WARN L197 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 708 DAG size of output: 657 [2020-12-23 08:48:29,652 WARN L197 SmtUtils]: Spent 8.24 s on a formula simplification. DAG size of input: 1348 DAG size of output: 1144 [2020-12-23 08:48:38,048 WARN L197 SmtUtils]: Spent 8.35 s on a formula simplification. DAG size of input: 1362 DAG size of output: 1156 [2020-12-23 08:48:46,208 WARN L197 SmtUtils]: Spent 8.15 s on a formula simplification. DAG size of input: 1348 DAG size of output: 1144 [2020-12-23 08:48:54,653 WARN L197 SmtUtils]: Spent 8.20 s on a formula simplification. DAG size of input: 1348 DAG size of output: 1144