/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_spec3_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:55:31,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:55:31,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:55:31,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:55:31,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:55:31,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:55:31,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:55:31,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:55:31,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:55:31,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:55:31,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:55:31,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:55:31,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:55:31,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:55:31,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:55:31,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:55:31,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:55:31,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:55:31,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:55:31,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:55:31,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:55:31,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:55:31,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:55:31,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:55:31,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:55:31,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:55:31,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:55:31,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:55:31,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:55:31,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:55:31,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:55:31,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:55:31,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:55:31,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:55:31,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:55:31,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:55:31,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:55:31,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:55:31,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:55:31,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:55:31,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:55:31,294 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 08:55:31,339 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:55:31,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:55:31,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:55:31,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:55:31,344 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:55:31,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:55:31,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:55:31,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:55:31,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:55:31,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:55:31,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:55:31,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:55:31,347 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:55:31,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:55:31,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:55:31,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:55:31,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:55:31,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:55:31,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:55:31,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:55:31,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:55:31,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:55:31,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:55:31,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:55:31,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:55:31,350 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:55:31,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:55:31,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:55:31,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:55:31,828 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:55:31,829 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:55:31,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product19.cil.c [2020-12-23 08:55:31,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c57f959b6/e066427124dd42e08a95581f5f8e13ea/FLAG0e3d3f310 [2020-12-23 08:55:32,779 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:55:32,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product19.cil.c [2020-12-23 08:55:32,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c57f959b6/e066427124dd42e08a95581f5f8e13ea/FLAG0e3d3f310 [2020-12-23 08:55:32,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c57f959b6/e066427124dd42e08a95581f5f8e13ea [2020-12-23 08:55:32,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:55:32,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:55:32,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:55:32,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:55:32,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:55:32,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:55:32" (1/1) ... [2020-12-23 08:55:32,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb707bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:55:32, skipping insertion in model container [2020-12-23 08:55:32,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:55:32" (1/1) ... [2020-12-23 08:55:32,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:55:33,039 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] 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[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] [2020-12-23 08:55:33,362 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_spec3_product19.cil.c[8012,8025] left hand side expression in assignment: lhs: VariableLHS[~sent_signed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] 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___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] 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___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] 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_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] 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[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] 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~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_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~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_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] 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_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] 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~40,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2020-12-23 08:55:33,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:55:33,776 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] 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[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] [2020-12-23 08:55:33,810 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_spec3_product19.cil.c[8012,8025] left hand side expression in assignment: lhs: VariableLHS[~sent_signed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] 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___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] 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___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] 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_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] 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[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] 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~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_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~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_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] 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_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] 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~40,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2020-12-23 08:55:33,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:55:34,056 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:55:34,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:55:34 WrapperNode [2020-12-23 08:55:34,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:55:34,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:55:34,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:55:34,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:55:34,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:55:34" (1/1) ... [2020-12-23 08:55:34,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:55:34" (1/1) ... [2020-12-23 08:55:34,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:55:34,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:55:34,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:55:34,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:55:34,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:55:34" (1/1) ... [2020-12-23 08:55:34,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:55:34" (1/1) ... [2020-12-23 08:55:34,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:55:34" (1/1) ... [2020-12-23 08:55:34,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:55:34" (1/1) ... [2020-12-23 08:55:34,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:55:34" (1/1) ... [2020-12-23 08:55:34,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:55:34" (1/1) ... [2020-12-23 08:55:34,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:55:34" (1/1) ... [2020-12-23 08:55:34,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:55:34,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:55:34,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:55:34,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:55:34,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:55:34" (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 08:55:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:55:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:55:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:55:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:55:34,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:55:37,109 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:55:37,109 INFO L299 CfgBuilder]: Removed 319 assume(true) statements. [2020-12-23 08:55:37,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:55:37 BoogieIcfgContainer [2020-12-23 08:55:37,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:55:37,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:55:37,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:55:37,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:55:37,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:55:32" (1/3) ... [2020-12-23 08:55:37,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ee79a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:55:37, skipping insertion in model container [2020-12-23 08:55:37,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:55:34" (2/3) ... [2020-12-23 08:55:37,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ee79a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:55:37, skipping insertion in model container [2020-12-23 08:55:37,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:55:37" (3/3) ... [2020-12-23 08:55:37,122 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec3_product19.cil.c [2020-12-23 08:55:37,129 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:55:37,135 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-23 08:55:37,155 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-23 08:55:37,188 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:55:37,188 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:55:37,188 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:55:37,188 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:55:37,188 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:55:37,189 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:55:37,189 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:55:37,189 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:55:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states. [2020-12-23 08:55:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-23 08:55:37,231 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:37,232 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] [2020-12-23 08:55:37,232 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:37,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:37,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1907201492, now seen corresponding path program 1 times [2020-12-23 08:55:37,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:37,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034046917] [2020-12-23 08:55:37,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:37,710 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 08:55:37,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034046917] [2020-12-23 08:55:37,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:37,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:55:37,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590788880] [2020-12-23 08:55:37,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:55:37,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:37,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:55:37,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:55:37,746 INFO L87 Difference]: Start difference. First operand 487 states. Second operand 3 states. [2020-12-23 08:55:37,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:37,985 INFO L93 Difference]: Finished difference Result 1426 states and 2468 transitions. [2020-12-23 08:55:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:55:37,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-12-23 08:55:37,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:38,030 INFO L225 Difference]: With dead ends: 1426 [2020-12-23 08:55:38,031 INFO L226 Difference]: Without dead ends: 820 [2020-12-23 08:55:38,038 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 08:55:38,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2020-12-23 08:55:38,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 419. [2020-12-23 08:55:38,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-12-23 08:55:38,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 721 transitions. [2020-12-23 08:55:38,127 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 721 transitions. Word has length 46 [2020-12-23 08:55:38,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:38,127 INFO L481 AbstractCegarLoop]: Abstraction has 419 states and 721 transitions. [2020-12-23 08:55:38,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:55:38,128 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 721 transitions. [2020-12-23 08:55:38,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 08:55:38,134 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:38,134 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 08:55:38,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:55:38,137 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:38,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:38,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1303272127, now seen corresponding path program 1 times [2020-12-23 08:55:38,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:38,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543326079] [2020-12-23 08:55:38,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:38,369 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 08:55:38,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543326079] [2020-12-23 08:55:38,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:38,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:55:38,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760796240] [2020-12-23 08:55:38,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:55:38,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:38,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:55:38,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:55:38,375 INFO L87 Difference]: Start difference. First operand 419 states and 721 transitions. Second operand 5 states. [2020-12-23 08:55:38,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:38,621 INFO L93 Difference]: Finished difference Result 1206 states and 2079 transitions. [2020-12-23 08:55:38,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:55:38,622 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-12-23 08:55:38,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:38,628 INFO L225 Difference]: With dead ends: 1206 [2020-12-23 08:55:38,628 INFO L226 Difference]: Without dead ends: 806 [2020-12-23 08:55:38,635 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 08:55:38,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2020-12-23 08:55:38,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 419. [2020-12-23 08:55:38,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-12-23 08:55:38,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 720 transitions. [2020-12-23 08:55:38,686 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 720 transitions. Word has length 48 [2020-12-23 08:55:38,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:38,688 INFO L481 AbstractCegarLoop]: Abstraction has 419 states and 720 transitions. [2020-12-23 08:55:38,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:55:38,688 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 720 transitions. [2020-12-23 08:55:38,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 08:55:38,695 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:38,695 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 08:55:38,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:55:38,697 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:38,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:38,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1202026484, now seen corresponding path program 1 times [2020-12-23 08:55:38,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:38,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336856650] [2020-12-23 08:55:38,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:38,868 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 08:55:38,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336856650] [2020-12-23 08:55:38,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:38,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:55:38,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486143868] [2020-12-23 08:55:38,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:55:38,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:38,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:55:38,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:55:38,882 INFO L87 Difference]: Start difference. First operand 419 states and 720 transitions. Second operand 3 states. [2020-12-23 08:55:38,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:38,935 INFO L93 Difference]: Finished difference Result 820 states and 1414 transitions. [2020-12-23 08:55:38,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:55:38,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-12-23 08:55:38,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:38,942 INFO L225 Difference]: With dead ends: 820 [2020-12-23 08:55:38,942 INFO L226 Difference]: Without dead ends: 424 [2020-12-23 08:55:38,943 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 08:55:38,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-12-23 08:55:38,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 419. [2020-12-23 08:55:38,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-12-23 08:55:38,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 719 transitions. [2020-12-23 08:55:38,975 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 719 transitions. Word has length 49 [2020-12-23 08:55:38,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:38,984 INFO L481 AbstractCegarLoop]: Abstraction has 419 states and 719 transitions. [2020-12-23 08:55:38,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:55:38,984 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 719 transitions. [2020-12-23 08:55:38,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 08:55:38,987 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:38,987 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 08:55:38,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:55:38,988 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:38,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:38,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1367974702, now seen corresponding path program 1 times [2020-12-23 08:55:38,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:38,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663012562] [2020-12-23 08:55:38,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:39,118 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 08:55:39,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663012562] [2020-12-23 08:55:39,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:39,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:55:39,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996081245] [2020-12-23 08:55:39,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:55:39,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:39,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:55:39,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:55:39,124 INFO L87 Difference]: Start difference. First operand 419 states and 719 transitions. Second operand 3 states. [2020-12-23 08:55:39,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:39,167 INFO L93 Difference]: Finished difference Result 830 states and 1427 transitions. [2020-12-23 08:55:39,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:55:39,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-12-23 08:55:39,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:39,171 INFO L225 Difference]: With dead ends: 830 [2020-12-23 08:55:39,171 INFO L226 Difference]: Without dead ends: 419 [2020-12-23 08:55:39,173 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 08:55:39,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-12-23 08:55:39,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2020-12-23 08:55:39,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-12-23 08:55:39,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 717 transitions. [2020-12-23 08:55:39,196 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 717 transitions. Word has length 50 [2020-12-23 08:55:39,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:39,196 INFO L481 AbstractCegarLoop]: Abstraction has 419 states and 717 transitions. [2020-12-23 08:55:39,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:55:39,196 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 717 transitions. [2020-12-23 08:55:39,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 08:55:39,197 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:39,198 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 08:55:39,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:55:39,198 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:39,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:39,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1384909465, now seen corresponding path program 1 times [2020-12-23 08:55:39,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:39,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751327608] [2020-12-23 08:55:39,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:39,319 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 08:55:39,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751327608] [2020-12-23 08:55:39,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:39,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:55:39,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924317505] [2020-12-23 08:55:39,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:55:39,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:39,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:55:39,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:55:39,323 INFO L87 Difference]: Start difference. First operand 419 states and 717 transitions. Second operand 5 states. [2020-12-23 08:55:39,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:39,498 INFO L93 Difference]: Finished difference Result 1196 states and 2059 transitions. [2020-12-23 08:55:39,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:55:39,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-23 08:55:39,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:39,506 INFO L225 Difference]: With dead ends: 1196 [2020-12-23 08:55:39,506 INFO L226 Difference]: Without dead ends: 804 [2020-12-23 08:55:39,508 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 08:55:39,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2020-12-23 08:55:39,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 419. [2020-12-23 08:55:39,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-12-23 08:55:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 716 transitions. [2020-12-23 08:55:39,538 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 716 transitions. Word has length 51 [2020-12-23 08:55:39,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:39,538 INFO L481 AbstractCegarLoop]: Abstraction has 419 states and 716 transitions. [2020-12-23 08:55:39,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:55:39,538 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 716 transitions. [2020-12-23 08:55:39,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 08:55:39,541 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:39,542 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 08:55:39,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:55:39,542 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:39,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:39,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1298035722, now seen corresponding path program 1 times [2020-12-23 08:55:39,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:39,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322194887] [2020-12-23 08:55:39,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:39,696 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 08:55:39,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322194887] [2020-12-23 08:55:39,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:39,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:55:39,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173570150] [2020-12-23 08:55:39,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:55:39,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:39,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:55:39,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:55:39,700 INFO L87 Difference]: Start difference. First operand 419 states and 716 transitions. Second operand 5 states. [2020-12-23 08:55:39,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:39,895 INFO L93 Difference]: Finished difference Result 1201 states and 2064 transitions. [2020-12-23 08:55:39,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:55:39,895 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-12-23 08:55:39,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:39,900 INFO L225 Difference]: With dead ends: 1201 [2020-12-23 08:55:39,901 INFO L226 Difference]: Without dead ends: 809 [2020-12-23 08:55:39,903 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 08:55:39,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2020-12-23 08:55:39,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 419. [2020-12-23 08:55:39,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-12-23 08:55:39,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 715 transitions. [2020-12-23 08:55:39,935 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 715 transitions. Word has length 52 [2020-12-23 08:55:39,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:39,935 INFO L481 AbstractCegarLoop]: Abstraction has 419 states and 715 transitions. [2020-12-23 08:55:39,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:55:39,935 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 715 transitions. [2020-12-23 08:55:39,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 08:55:39,936 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:39,937 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] [2020-12-23 08:55:39,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:55:39,938 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:39,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:39,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1404373282, now seen corresponding path program 1 times [2020-12-23 08:55:39,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:39,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107018795] [2020-12-23 08:55:39,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:40,054 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 08:55:40,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107018795] [2020-12-23 08:55:40,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:40,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:55:40,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083742795] [2020-12-23 08:55:40,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:55:40,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:40,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:55:40,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:55:40,058 INFO L87 Difference]: Start difference. First operand 419 states and 715 transitions. Second operand 3 states. [2020-12-23 08:55:40,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:40,091 INFO L93 Difference]: Finished difference Result 600 states and 1006 transitions. [2020-12-23 08:55:40,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:55:40,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-12-23 08:55:40,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:40,095 INFO L225 Difference]: With dead ends: 600 [2020-12-23 08:55:40,095 INFO L226 Difference]: Without dead ends: 422 [2020-12-23 08:55:40,097 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 08:55:40,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-12-23 08:55:40,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 421. [2020-12-23 08:55:40,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-12-23 08:55:40,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 717 transitions. [2020-12-23 08:55:40,126 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 717 transitions. Word has length 53 [2020-12-23 08:55:40,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:40,128 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 717 transitions. [2020-12-23 08:55:40,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:55:40,129 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 717 transitions. [2020-12-23 08:55:40,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 08:55:40,130 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:40,130 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] [2020-12-23 08:55:40,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:55:40,130 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:40,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:40,131 INFO L82 PathProgramCache]: Analyzing trace with hash -98163808, now seen corresponding path program 1 times [2020-12-23 08:55:40,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:40,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742392243] [2020-12-23 08:55:40,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:40,221 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 08:55:40,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742392243] [2020-12-23 08:55:40,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:40,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:55:40,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246212310] [2020-12-23 08:55:40,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:55:40,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:40,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:55:40,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:55:40,225 INFO L87 Difference]: Start difference. First operand 421 states and 717 transitions. Second operand 3 states. [2020-12-23 08:55:40,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:40,304 INFO L93 Difference]: Finished difference Result 1149 states and 1975 transitions. [2020-12-23 08:55:40,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:55:40,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-12-23 08:55:40,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:40,310 INFO L225 Difference]: With dead ends: 1149 [2020-12-23 08:55:40,310 INFO L226 Difference]: Without dead ends: 759 [2020-12-23 08:55:40,312 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 08:55:40,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2020-12-23 08:55:40,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 581. [2020-12-23 08:55:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2020-12-23 08:55:40,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 1010 transitions. [2020-12-23 08:55:40,358 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 1010 transitions. Word has length 59 [2020-12-23 08:55:40,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:40,359 INFO L481 AbstractCegarLoop]: Abstraction has 581 states and 1010 transitions. [2020-12-23 08:55:40,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:55:40,359 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1010 transitions. [2020-12-23 08:55:40,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 08:55:40,361 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:40,361 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 08:55:40,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:55:40,361 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:40,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:40,362 INFO L82 PathProgramCache]: Analyzing trace with hash 2006517503, now seen corresponding path program 1 times [2020-12-23 08:55:40,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:40,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217901480] [2020-12-23 08:55:40,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:40,486 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 08:55:40,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217901480] [2020-12-23 08:55:40,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813501288] [2020-12-23 08:55:40,492 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 08:55:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:40,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:55:40,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:55:40,977 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 08:55:40,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:55:40,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:55:40,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155338019] [2020-12-23 08:55:40,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:55:40,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:40,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:55:40,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:55:40,980 INFO L87 Difference]: Start difference. First operand 581 states and 1010 transitions. Second operand 5 states. [2020-12-23 08:55:41,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:41,164 INFO L93 Difference]: Finished difference Result 1153 states and 1978 transitions. [2020-12-23 08:55:41,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:55:41,164 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-12-23 08:55:41,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:41,171 INFO L225 Difference]: With dead ends: 1153 [2020-12-23 08:55:41,171 INFO L226 Difference]: Without dead ends: 975 [2020-12-23 08:55:41,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 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 08:55:41,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2020-12-23 08:55:41,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 795. [2020-12-23 08:55:41,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2020-12-23 08:55:41,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1400 transitions. [2020-12-23 08:55:41,251 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1400 transitions. Word has length 60 [2020-12-23 08:55:41,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:41,251 INFO L481 AbstractCegarLoop]: Abstraction has 795 states and 1400 transitions. [2020-12-23 08:55:41,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:55:41,251 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1400 transitions. [2020-12-23 08:55:41,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 08:55:41,253 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:41,253 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 08:55:41,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 08:55:41,467 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:41,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:41,468 INFO L82 PathProgramCache]: Analyzing trace with hash -22614574, now seen corresponding path program 1 times [2020-12-23 08:55:41,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:41,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741574836] [2020-12-23 08:55:41,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:41,546 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 08:55:41,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741574836] [2020-12-23 08:55:41,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:41,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:55:41,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28625468] [2020-12-23 08:55:41,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:55:41,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:41,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:55:41,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:55:41,548 INFO L87 Difference]: Start difference. First operand 795 states and 1400 transitions. Second operand 3 states. [2020-12-23 08:55:41,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:41,649 INFO L93 Difference]: Finished difference Result 2051 states and 3624 transitions. [2020-12-23 08:55:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:55:41,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-23 08:55:41,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:41,658 INFO L225 Difference]: With dead ends: 2051 [2020-12-23 08:55:41,658 INFO L226 Difference]: Without dead ends: 1345 [2020-12-23 08:55:41,660 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 08:55:41,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2020-12-23 08:55:41,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1167. [2020-12-23 08:55:41,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1167 states. [2020-12-23 08:55:41,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 2078 transitions. [2020-12-23 08:55:41,739 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 2078 transitions. Word has length 66 [2020-12-23 08:55:41,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:41,739 INFO L481 AbstractCegarLoop]: Abstraction has 1167 states and 2078 transitions. [2020-12-23 08:55:41,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:55:41,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 2078 transitions. [2020-12-23 08:55:41,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 08:55:41,742 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:41,742 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:55:41,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:55:41,743 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:41,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:41,743 INFO L82 PathProgramCache]: Analyzing trace with hash -183359870, now seen corresponding path program 2 times [2020-12-23 08:55:41,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:41,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911317025] [2020-12-23 08:55:41,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:41,825 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:55:41,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911317025] [2020-12-23 08:55:41,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:41,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:55:41,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079584798] [2020-12-23 08:55:41,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:55:41,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:41,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:55:41,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:55:41,827 INFO L87 Difference]: Start difference. First operand 1167 states and 2078 transitions. Second operand 3 states. [2020-12-23 08:55:41,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:41,965 INFO L93 Difference]: Finished difference Result 2265 states and 4012 transitions. [2020-12-23 08:55:41,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:55:41,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-12-23 08:55:41,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:41,975 INFO L225 Difference]: With dead ends: 2265 [2020-12-23 08:55:41,975 INFO L226 Difference]: Without dead ends: 1345 [2020-12-23 08:55:41,977 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 08:55:41,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2020-12-23 08:55:42,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1167. [2020-12-23 08:55:42,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1167 states. [2020-12-23 08:55:42,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 2076 transitions. [2020-12-23 08:55:42,050 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 2076 transitions. Word has length 67 [2020-12-23 08:55:42,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:42,050 INFO L481 AbstractCegarLoop]: Abstraction has 1167 states and 2076 transitions. [2020-12-23 08:55:42,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:55:42,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 2076 transitions. [2020-12-23 08:55:42,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 08:55:42,054 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:42,054 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 08:55:42,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 08:55:42,054 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:42,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:42,055 INFO L82 PathProgramCache]: Analyzing trace with hash 998811233, now seen corresponding path program 1 times [2020-12-23 08:55:42,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:42,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119834838] [2020-12-23 08:55:42,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:42,124 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 08:55:42,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119834838] [2020-12-23 08:55:42,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:42,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:55:42,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097964927] [2020-12-23 08:55:42,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:55:42,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:42,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:55:42,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:55:42,126 INFO L87 Difference]: Start difference. First operand 1167 states and 2076 transitions. Second operand 3 states. [2020-12-23 08:55:42,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:42,251 INFO L93 Difference]: Finished difference Result 3139 states and 5607 transitions. [2020-12-23 08:55:42,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:55:42,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-12-23 08:55:42,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:42,264 INFO L225 Difference]: With dead ends: 3139 [2020-12-23 08:55:42,265 INFO L226 Difference]: Without dead ends: 2069 [2020-12-23 08:55:42,268 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 08:55:42,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2020-12-23 08:55:42,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 1891. [2020-12-23 08:55:42,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1891 states. [2020-12-23 08:55:42,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1891 states and 3395 transitions. [2020-12-23 08:55:42,398 INFO L78 Accepts]: Start accepts. Automaton has 1891 states and 3395 transitions. Word has length 67 [2020-12-23 08:55:42,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:42,399 INFO L481 AbstractCegarLoop]: Abstraction has 1891 states and 3395 transitions. [2020-12-23 08:55:42,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:55:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 3395 transitions. [2020-12-23 08:55:42,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:55:42,403 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:42,403 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 08:55:42,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:55:42,404 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:42,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:42,404 INFO L82 PathProgramCache]: Analyzing trace with hash -766770156, now seen corresponding path program 1 times [2020-12-23 08:55:42,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:42,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803526863] [2020-12-23 08:55:42,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:42,527 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 08:55:42,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803526863] [2020-12-23 08:55:42,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:42,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:55:42,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695167031] [2020-12-23 08:55:42,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:55:42,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:42,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:55:42,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:55:42,535 INFO L87 Difference]: Start difference. First operand 1891 states and 3395 transitions. Second operand 3 states. [2020-12-23 08:55:42,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:42,737 INFO L93 Difference]: Finished difference Result 5047 states and 9083 transitions. [2020-12-23 08:55:42,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:55:42,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-12-23 08:55:42,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:42,757 INFO L225 Difference]: With dead ends: 5047 [2020-12-23 08:55:42,758 INFO L226 Difference]: Without dead ends: 3287 [2020-12-23 08:55:42,764 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 08:55:42,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3287 states. [2020-12-23 08:55:43,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3287 to 3109. [2020-12-23 08:55:43,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3109 states. [2020-12-23 08:55:43,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 3109 states and 5608 transitions. [2020-12-23 08:55:43,068 INFO L78 Accepts]: Start accepts. Automaton has 3109 states and 5608 transitions. Word has length 68 [2020-12-23 08:55:43,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:43,068 INFO L481 AbstractCegarLoop]: Abstraction has 3109 states and 5608 transitions. [2020-12-23 08:55:43,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:55:43,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 5608 transitions. [2020-12-23 08:55:43,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:55:43,074 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:43,075 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 08:55:43,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:55:43,075 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:43,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:43,076 INFO L82 PathProgramCache]: Analyzing trace with hash 534247090, now seen corresponding path program 1 times [2020-12-23 08:55:43,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:43,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521571021] [2020-12-23 08:55:43,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:43,169 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 08:55:43,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521571021] [2020-12-23 08:55:43,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:43,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:55:43,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165032981] [2020-12-23 08:55:43,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:55:43,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:43,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:55:43,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:55:43,173 INFO L87 Difference]: Start difference. First operand 3109 states and 5608 transitions. Second operand 3 states. [2020-12-23 08:55:43,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:43,507 INFO L93 Difference]: Finished difference Result 8417 states and 15205 transitions. [2020-12-23 08:55:43,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:55:43,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-23 08:55:43,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:43,539 INFO L225 Difference]: With dead ends: 8417 [2020-12-23 08:55:43,539 INFO L226 Difference]: Without dead ends: 5473 [2020-12-23 08:55:43,546 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 08:55:43,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5473 states. [2020-12-23 08:55:43,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5473 to 5295. [2020-12-23 08:55:43,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5295 states. [2020-12-23 08:55:43,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 5295 states and 9569 transitions. [2020-12-23 08:55:43,940 INFO L78 Accepts]: Start accepts. Automaton has 5295 states and 9569 transitions. Word has length 69 [2020-12-23 08:55:43,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:43,941 INFO L481 AbstractCegarLoop]: Abstraction has 5295 states and 9569 transitions. [2020-12-23 08:55:43,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:55:43,941 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 9569 transitions. [2020-12-23 08:55:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 08:55:43,948 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:43,949 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] [2020-12-23 08:55:43,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:55:43,949 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:43,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:43,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1833484586, now seen corresponding path program 1 times [2020-12-23 08:55:43,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:43,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988703205] [2020-12-23 08:55:43,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:44,062 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 08:55:44,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988703205] [2020-12-23 08:55:44,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:44,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:55:44,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568131341] [2020-12-23 08:55:44,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:55:44,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:44,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:55:44,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:55:44,065 INFO L87 Difference]: Start difference. First operand 5295 states and 9569 transitions. Second operand 5 states. [2020-12-23 08:55:44,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:44,940 INFO L93 Difference]: Finished difference Result 15104 states and 27324 transitions. [2020-12-23 08:55:44,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:55:44,941 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2020-12-23 08:55:44,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:44,991 INFO L225 Difference]: With dead ends: 15104 [2020-12-23 08:55:44,991 INFO L226 Difference]: Without dead ends: 10056 [2020-12-23 08:55:45,004 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 08:55:45,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10056 states. [2020-12-23 08:55:45,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10056 to 5295. [2020-12-23 08:55:45,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5295 states. [2020-12-23 08:55:45,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 5295 states and 9519 transitions. [2020-12-23 08:55:45,561 INFO L78 Accepts]: Start accepts. Automaton has 5295 states and 9519 transitions. Word has length 70 [2020-12-23 08:55:45,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:45,561 INFO L481 AbstractCegarLoop]: Abstraction has 5295 states and 9519 transitions. [2020-12-23 08:55:45,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:55:45,562 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 9519 transitions. [2020-12-23 08:55:45,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 08:55:45,568 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:45,568 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 08:55:45,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:55:45,568 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:45,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:45,569 INFO L82 PathProgramCache]: Analyzing trace with hash 371260037, now seen corresponding path program 1 times [2020-12-23 08:55:45,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:45,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671080463] [2020-12-23 08:55:45,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:45,641 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 08:55:45,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671080463] [2020-12-23 08:55:45,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:45,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:55:45,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199424479] [2020-12-23 08:55:45,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:55:45,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:45,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:55:45,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:55:45,644 INFO L87 Difference]: Start difference. First operand 5295 states and 9519 transitions. Second operand 3 states. [2020-12-23 08:55:46,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:46,392 INFO L93 Difference]: Finished difference Result 15301 states and 27552 transitions. [2020-12-23 08:55:46,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:55:46,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-23 08:55:46,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:46,431 INFO L225 Difference]: With dead ends: 15301 [2020-12-23 08:55:46,431 INFO L226 Difference]: Without dead ends: 10179 [2020-12-23 08:55:46,443 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 08:55:46,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10179 states. [2020-12-23 08:55:47,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10179 to 10001. [2020-12-23 08:55:47,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10001 states. [2020-12-23 08:55:47,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10001 states to 10001 states and 18000 transitions. [2020-12-23 08:55:47,090 INFO L78 Accepts]: Start accepts. Automaton has 10001 states and 18000 transitions. Word has length 70 [2020-12-23 08:55:47,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:47,090 INFO L481 AbstractCegarLoop]: Abstraction has 10001 states and 18000 transitions. [2020-12-23 08:55:47,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:55:47,090 INFO L276 IsEmpty]: Start isEmpty. Operand 10001 states and 18000 transitions. [2020-12-23 08:55:47,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 08:55:47,097 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:47,098 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] [2020-12-23 08:55:47,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:55:47,098 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:47,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:47,099 INFO L82 PathProgramCache]: Analyzing trace with hash 293484689, now seen corresponding path program 1 times [2020-12-23 08:55:47,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:47,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712540185] [2020-12-23 08:55:47,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:47,242 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:55:47,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712540185] [2020-12-23 08:55:47,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801983052] [2020-12-23 08:55:47,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:55:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:47,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 08:55:47,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:55:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:55:47,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:55:47,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2020-12-23 08:55:47,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501717352] [2020-12-23 08:55:47,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:55:47,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:47,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:55:47,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:55:47,868 INFO L87 Difference]: Start difference. First operand 10001 states and 18000 transitions. Second operand 10 states. [2020-12-23 08:55:50,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:50,059 INFO L93 Difference]: Finished difference Result 14895 states and 26122 transitions. [2020-12-23 08:55:50,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-12-23 08:55:50,060 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 71 [2020-12-23 08:55:50,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:50,110 INFO L225 Difference]: With dead ends: 14895 [2020-12-23 08:55:50,111 INFO L226 Difference]: Without dead ends: 14661 [2020-12-23 08:55:50,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 08:55:50,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14661 states. [2020-12-23 08:55:51,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14661 to 11529. [2020-12-23 08:55:51,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11529 states. [2020-12-23 08:55:51,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11529 states to 11529 states and 20698 transitions. [2020-12-23 08:55:51,122 INFO L78 Accepts]: Start accepts. Automaton has 11529 states and 20698 transitions. Word has length 71 [2020-12-23 08:55:51,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:51,123 INFO L481 AbstractCegarLoop]: Abstraction has 11529 states and 20698 transitions. [2020-12-23 08:55:51,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:55:51,123 INFO L276 IsEmpty]: Start isEmpty. Operand 11529 states and 20698 transitions. [2020-12-23 08:55:51,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 08:55:51,138 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:51,138 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 08:55:51,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-23 08:55:51,353 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:51,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:51,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1752101535, now seen corresponding path program 1 times [2020-12-23 08:55:51,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:51,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653031653] [2020-12-23 08:55:51,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:51,433 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 08:55:51,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653031653] [2020-12-23 08:55:51,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:51,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:55:51,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717716479] [2020-12-23 08:55:51,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:55:51,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:51,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:55:51,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:55:51,436 INFO L87 Difference]: Start difference. First operand 11529 states and 20698 transitions. Second operand 3 states. [2020-12-23 08:55:52,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:52,634 INFO L93 Difference]: Finished difference Result 31930 states and 57483 transitions. [2020-12-23 08:55:52,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:55:52,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-23 08:55:52,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:52,725 INFO L225 Difference]: With dead ends: 31930 [2020-12-23 08:55:52,725 INFO L226 Difference]: Without dead ends: 21315 [2020-12-23 08:55:52,751 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 08:55:52,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21315 states. [2020-12-23 08:55:54,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21315 to 20998. [2020-12-23 08:55:54,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20998 states. [2020-12-23 08:55:54,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20998 states to 20998 states and 37781 transitions. [2020-12-23 08:55:54,244 INFO L78 Accepts]: Start accepts. Automaton has 20998 states and 37781 transitions. Word has length 72 [2020-12-23 08:55:54,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:54,244 INFO L481 AbstractCegarLoop]: Abstraction has 20998 states and 37781 transitions. [2020-12-23 08:55:54,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:55:54,245 INFO L276 IsEmpty]: Start isEmpty. Operand 20998 states and 37781 transitions. [2020-12-23 08:55:54,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 08:55:54,259 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:54,259 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:55:54,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:55:54,259 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:54,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:54,260 INFO L82 PathProgramCache]: Analyzing trace with hash -703190450, now seen corresponding path program 1 times [2020-12-23 08:55:54,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:54,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166559491] [2020-12-23 08:55:54,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:54,337 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 08:55:54,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166559491] [2020-12-23 08:55:54,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:54,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:55:54,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457958332] [2020-12-23 08:55:54,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:55:54,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:54,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:55:54,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:55:54,341 INFO L87 Difference]: Start difference. First operand 20998 states and 37781 transitions. Second operand 3 states. [2020-12-23 08:55:56,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:55:56,112 INFO L93 Difference]: Finished difference Result 60151 states and 108339 transitions. [2020-12-23 08:55:56,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:55:56,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-12-23 08:55:56,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:55:56,268 INFO L225 Difference]: With dead ends: 60151 [2020-12-23 08:55:56,269 INFO L226 Difference]: Without dead ends: 40230 [2020-12-23 08:55:56,315 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 08:55:56,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40230 states. [2020-12-23 08:55:58,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40230 to 39913. [2020-12-23 08:55:58,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39913 states. [2020-12-23 08:55:58,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39913 states to 39913 states and 71766 transitions. [2020-12-23 08:55:58,467 INFO L78 Accepts]: Start accepts. Automaton has 39913 states and 71766 transitions. Word has length 73 [2020-12-23 08:55:58,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:55:58,467 INFO L481 AbstractCegarLoop]: Abstraction has 39913 states and 71766 transitions. [2020-12-23 08:55:58,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:55:58,467 INFO L276 IsEmpty]: Start isEmpty. Operand 39913 states and 71766 transitions. [2020-12-23 08:55:58,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 08:55:58,483 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:55:58,484 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:55:58,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:55:58,484 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:55:58,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:55:58,485 INFO L82 PathProgramCache]: Analyzing trace with hash -268205361, now seen corresponding path program 1 times [2020-12-23 08:55:58,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:55:58,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741230542] [2020-12-23 08:55:58,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:55:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:55:58,580 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 08:55:58,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741230542] [2020-12-23 08:55:58,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:55:58,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:55:58,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083527894] [2020-12-23 08:55:58,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:55:58,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:55:58,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:55:58,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:55:58,583 INFO L87 Difference]: Start difference. First operand 39913 states and 71766 transitions. Second operand 3 states. [2020-12-23 08:56:01,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:01,589 INFO L93 Difference]: Finished difference Result 108390 states and 194733 transitions. [2020-12-23 08:56:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:56:01,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 08:56:01,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:02,008 INFO L225 Difference]: With dead ends: 108390 [2020-12-23 08:56:02,008 INFO L226 Difference]: Without dead ends: 69997 [2020-12-23 08:56:02,092 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 08:56:02,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69997 states. [2020-12-23 08:56:05,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69997 to 69680. [2020-12-23 08:56:05,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69680 states. [2020-12-23 08:56:05,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69680 states to 69680 states and 124832 transitions. [2020-12-23 08:56:05,562 INFO L78 Accepts]: Start accepts. Automaton has 69680 states and 124832 transitions. Word has length 74 [2020-12-23 08:56:05,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:05,562 INFO L481 AbstractCegarLoop]: Abstraction has 69680 states and 124832 transitions. [2020-12-23 08:56:05,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:56:05,562 INFO L276 IsEmpty]: Start isEmpty. Operand 69680 states and 124832 transitions. [2020-12-23 08:56:05,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:56:05,577 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:05,577 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:05,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:56:05,577 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:05,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:05,578 INFO L82 PathProgramCache]: Analyzing trace with hash 2098626764, now seen corresponding path program 1 times [2020-12-23 08:56:05,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:05,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456913793] [2020-12-23 08:56:05,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:05,644 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 08:56:05,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456913793] [2020-12-23 08:56:05,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:05,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:56:05,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720404502] [2020-12-23 08:56:05,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:56:05,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:05,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:56:05,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:56:05,646 INFO L87 Difference]: Start difference. First operand 69680 states and 124832 transitions. Second operand 3 states. [2020-12-23 08:56:11,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:11,313 INFO L93 Difference]: Finished difference Result 202677 states and 363265 transitions. [2020-12-23 08:56:11,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:56:11,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-23 08:56:11,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:11,679 INFO L225 Difference]: With dead ends: 202677 [2020-12-23 08:56:11,679 INFO L226 Difference]: Without dead ends: 134736 [2020-12-23 08:56:11,798 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 08:56:11,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134736 states. [2020-12-23 08:56:17,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134736 to 134419. [2020-12-23 08:56:17,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134419 states. [2020-12-23 08:56:18,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134419 states to 134419 states and 240410 transitions. [2020-12-23 08:56:18,520 INFO L78 Accepts]: Start accepts. Automaton has 134419 states and 240410 transitions. Word has length 75 [2020-12-23 08:56:18,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:18,520 INFO L481 AbstractCegarLoop]: Abstraction has 134419 states and 240410 transitions. [2020-12-23 08:56:18,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:56:18,520 INFO L276 IsEmpty]: Start isEmpty. Operand 134419 states and 240410 transitions. [2020-12-23 08:56:18,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 08:56:18,556 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:18,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:18,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:56:18,556 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:18,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:18,557 INFO L82 PathProgramCache]: Analyzing trace with hash -2020547168, now seen corresponding path program 1 times [2020-12-23 08:56:18,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:18,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710945081] [2020-12-23 08:56:18,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:18,633 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 08:56:18,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710945081] [2020-12-23 08:56:18,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:18,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:56:18,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490092915] [2020-12-23 08:56:18,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:56:18,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:18,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:56:18,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:56:18,636 INFO L87 Difference]: Start difference. First operand 134419 states and 240410 transitions. Second operand 3 states. [2020-12-23 08:56:26,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:26,958 INFO L93 Difference]: Finished difference Result 235086 states and 418917 transitions. [2020-12-23 08:56:26,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:56:26,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-12-23 08:56:26,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:27,760 INFO L225 Difference]: With dead ends: 235086 [2020-12-23 08:56:27,760 INFO L226 Difference]: Without dead ends: 234769 [2020-12-23 08:56:27,836 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 08:56:28,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234769 states. [2020-12-23 08:56:38,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234769 to 234452. [2020-12-23 08:56:38,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234452 states. [2020-12-23 08:56:39,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234452 states to 234452 states and 416857 transitions. [2020-12-23 08:56:39,281 INFO L78 Accepts]: Start accepts. Automaton has 234452 states and 416857 transitions. Word has length 76 [2020-12-23 08:56:39,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:39,281 INFO L481 AbstractCegarLoop]: Abstraction has 234452 states and 416857 transitions. [2020-12-23 08:56:39,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:56:39,281 INFO L276 IsEmpty]: Start isEmpty. Operand 234452 states and 416857 transitions. [2020-12-23 08:56:39,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 08:56:39,295 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:39,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:39,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:56:39,296 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:39,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:39,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1633548738, now seen corresponding path program 1 times [2020-12-23 08:56:39,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:39,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777927256] [2020-12-23 08:56:39,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:39,392 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 08:56:39,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777927256] [2020-12-23 08:56:39,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:39,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:56:39,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129770723] [2020-12-23 08:56:39,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:56:39,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:39,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:56:39,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:56:39,394 INFO L87 Difference]: Start difference. First operand 234452 states and 416857 transitions. Second operand 7 states. [2020-12-23 08:56:47,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:56:47,498 INFO L93 Difference]: Finished difference Result 234884 states and 417548 transitions. [2020-12-23 08:56:47,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 08:56:47,503 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2020-12-23 08:56:47,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:56:48,229 INFO L225 Difference]: With dead ends: 234884 [2020-12-23 08:56:48,229 INFO L226 Difference]: Without dead ends: 234606 [2020-12-23 08:56:48,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-12-23 08:56:48,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234606 states. [2020-12-23 08:56:58,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234606 to 234417. [2020-12-23 08:56:58,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234417 states. [2020-12-23 08:56:59,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234417 states to 234417 states and 416796 transitions. [2020-12-23 08:56:59,213 INFO L78 Accepts]: Start accepts. Automaton has 234417 states and 416796 transitions. Word has length 77 [2020-12-23 08:56:59,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:56:59,213 INFO L481 AbstractCegarLoop]: Abstraction has 234417 states and 416796 transitions. [2020-12-23 08:56:59,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:56:59,213 INFO L276 IsEmpty]: Start isEmpty. Operand 234417 states and 416796 transitions. [2020-12-23 08:56:59,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 08:56:59,226 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:56:59,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:56:59,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:56:59,227 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:56:59,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:56:59,228 INFO L82 PathProgramCache]: Analyzing trace with hash 657729205, now seen corresponding path program 1 times [2020-12-23 08:56:59,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:56:59,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498531152] [2020-12-23 08:56:59,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:56:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:56:59,394 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 08:56:59,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498531152] [2020-12-23 08:56:59,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:56:59,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:56:59,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877993303] [2020-12-23 08:56:59,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:56:59,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:56:59,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:56:59,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:56:59,396 INFO L87 Difference]: Start difference. First operand 234417 states and 416796 transitions. Second operand 10 states. [2020-12-23 08:57:09,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:09,301 INFO L93 Difference]: Finished difference Result 236520 states and 420004 transitions. [2020-12-23 08:57:09,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-23 08:57:09,302 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2020-12-23 08:57:09,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:09,989 INFO L225 Difference]: With dead ends: 236520 [2020-12-23 08:57:09,989 INFO L226 Difference]: Without dead ends: 236386 [2020-12-23 08:57:10,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=337, Invalid=923, Unknown=0, NotChecked=0, Total=1260 [2020-12-23 08:57:10,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236386 states. [2020-12-23 08:57:20,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236386 to 234527. [2020-12-23 08:57:20,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234527 states. [2020-12-23 08:57:21,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234527 states to 234527 states and 416963 transitions. [2020-12-23 08:57:21,675 INFO L78 Accepts]: Start accepts. Automaton has 234527 states and 416963 transitions. Word has length 79 [2020-12-23 08:57:21,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:21,675 INFO L481 AbstractCegarLoop]: Abstraction has 234527 states and 416963 transitions. [2020-12-23 08:57:21,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:57:21,675 INFO L276 IsEmpty]: Start isEmpty. Operand 234527 states and 416963 transitions. [2020-12-23 08:57:21,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 08:57:21,694 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:21,694 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:57:21,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:57:21,695 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:21,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:21,695 INFO L82 PathProgramCache]: Analyzing trace with hash -719577959, now seen corresponding path program 1 times [2020-12-23 08:57:21,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:21,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706699604] [2020-12-23 08:57:21,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:21,829 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 08:57:21,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706699604] [2020-12-23 08:57:21,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:21,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:57:21,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530671084] [2020-12-23 08:57:21,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:57:21,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:21,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:57:21,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:57:21,831 INFO L87 Difference]: Start difference. First operand 234527 states and 416963 transitions. Second operand 9 states. [2020-12-23 08:57:33,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:57:33,084 INFO L93 Difference]: Finished difference Result 236844 states and 420515 transitions. [2020-12-23 08:57:33,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-12-23 08:57:33,084 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2020-12-23 08:57:33,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:57:33,772 INFO L225 Difference]: With dead ends: 236844 [2020-12-23 08:57:33,772 INFO L226 Difference]: Without dead ends: 236652 [2020-12-23 08:57:33,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=306, Invalid=750, Unknown=0, NotChecked=0, Total=1056 [2020-12-23 08:57:34,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236652 states. [2020-12-23 08:57:44,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236652 to 234791. [2020-12-23 08:57:44,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234791 states. [2020-12-23 08:57:45,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234791 states to 234791 states and 417387 transitions. [2020-12-23 08:57:45,676 INFO L78 Accepts]: Start accepts. Automaton has 234791 states and 417387 transitions. Word has length 80 [2020-12-23 08:57:45,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:57:45,676 INFO L481 AbstractCegarLoop]: Abstraction has 234791 states and 417387 transitions. [2020-12-23 08:57:45,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:57:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 234791 states and 417387 transitions. [2020-12-23 08:57:45,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 08:57:45,687 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:57:45,687 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:57:45,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:57:45,687 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:57:45,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:57:45,688 INFO L82 PathProgramCache]: Analyzing trace with hash -731375195, now seen corresponding path program 1 times [2020-12-23 08:57:45,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:57:45,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694339680] [2020-12-23 08:57:45,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:57:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:57:45,813 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 08:57:45,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694339680] [2020-12-23 08:57:45,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:57:45,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:57:45,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390094607] [2020-12-23 08:57:45,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:57:45,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:57:45,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:57:45,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:57:45,815 INFO L87 Difference]: Start difference. First operand 234791 states and 417387 transitions. Second operand 10 states. [2020-12-23 08:58:14,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:58:14,664 INFO L93 Difference]: Finished difference Result 708425 states and 1258236 transitions. [2020-12-23 08:58:14,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-23 08:58:14,665 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 80 [2020-12-23 08:58:14,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:58:17,177 INFO L225 Difference]: With dead ends: 708425 [2020-12-23 08:58:17,177 INFO L226 Difference]: Without dead ends: 707948 [2020-12-23 08:58:17,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=337, Invalid=785, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 08:58:18,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707948 states. [2020-12-23 08:58:45,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707948 to 470104. [2020-12-23 08:58:45,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470104 states. [2020-12-23 08:58:48,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470104 states to 470104 states and 835606 transitions. [2020-12-23 08:58:48,513 INFO L78 Accepts]: Start accepts. Automaton has 470104 states and 835606 transitions. Word has length 80 [2020-12-23 08:58:48,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:58:48,516 INFO L481 AbstractCegarLoop]: Abstraction has 470104 states and 835606 transitions. [2020-12-23 08:58:48,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:58:48,516 INFO L276 IsEmpty]: Start isEmpty. Operand 470104 states and 835606 transitions. [2020-12-23 08:58:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 08:58:48,572 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:58:48,573 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:58:48,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:58:48,573 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:58:48,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:58:48,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1108340305, now seen corresponding path program 1 times [2020-12-23 08:58:48,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:58:48,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113632477] [2020-12-23 08:58:48,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:58:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:58:48,835 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 08:58:48,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113632477] [2020-12-23 08:58:48,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:58:48,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:58:48,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953340771] [2020-12-23 08:58:48,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 08:58:48,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:58:48,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 08:58:48,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:58:48,838 INFO L87 Difference]: Start difference. First operand 470104 states and 835606 transitions. Second operand 8 states.