/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec4_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:52:34,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:52:34,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:52:34,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:52:34,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:52:34,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:52:34,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:52:34,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:52:34,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:52:34,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:52:34,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:52:34,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:52:34,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:52:34,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:52:34,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:52:34,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:52:34,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:52:34,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:52:34,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:52:34,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:52:34,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:52:34,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:52:34,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:52:34,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:52:34,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:52:34,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:52:34,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:52:34,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:52:34,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:52:34,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:52:34,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:52:34,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:52:34,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:52:34,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:52:34,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:52:34,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:52:34,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:52:34,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:52:34,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:52:34,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:52:34,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:52:34,597 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:52:34,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:52:34,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:52:34,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:52:34,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:52:34,630 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:52:34,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:52:34,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:52:34,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:52:34,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:52:34,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:52:34,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:52:34,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:52:34,632 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:52:34,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:52:34,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:52:34,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:52:34,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:52:34,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:52:34,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:52:34,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:52:34,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:52:34,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:52:34,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:52:34,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:52:34,635 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:52:34,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:52:35,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:52:35,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:52:35,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:52:35,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:52:35,038 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:52:35,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product13.cil.c [2021-01-06 18:52:35,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8f4ff5810/684ebeb96b024fddb943425682f397f2/FLAG8d20e0426 [2021-01-06 18:52:36,003 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:52:36,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product13.cil.c [2021-01-06 18:52:36,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8f4ff5810/684ebeb96b024fddb943425682f397f2/FLAG8d20e0426 [2021-01-06 18:52:36,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8f4ff5810/684ebeb96b024fddb943425682f397f2 [2021-01-06 18:52:36,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:52:36,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:52:36,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:52:36,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:52:36,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:52:36,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:52:36" (1/1) ... [2021-01-06 18:52:36,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f03033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:52:36, skipping insertion in model container [2021-01-06 18:52:36,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:52:36" (1/1) ... [2021-01-06 18:52:36,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:52:36,198 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~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[~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[~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[~retValue_acc~13,] 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~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_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~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[~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[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] 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[~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[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~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_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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] [2021-01-06 18:52:36,831 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product13.cil.c[42480,42493] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] 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~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_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~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_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~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_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2021-01-06 18:52:37,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:52:37,042 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~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[~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[~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[~retValue_acc~13,] 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~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_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~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[~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[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] 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[~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[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~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_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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] [2021-01-06 18:52:37,201 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product13.cil.c[42480,42493] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] 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~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_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~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_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~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_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2021-01-06 18:52:37,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:52:37,308 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:52:37,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:52:37 WrapperNode [2021-01-06 18:52:37,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:52:37,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:52:37,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:52:37,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:52:37,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:52:37" (1/1) ... [2021-01-06 18:52:37,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:52:37" (1/1) ... [2021-01-06 18:52:37,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:52:37,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:52:37,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:52:37,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:52:37,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:52:37" (1/1) ... [2021-01-06 18:52:37,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:52:37" (1/1) ... [2021-01-06 18:52:37,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:52:37" (1/1) ... [2021-01-06 18:52:37,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:52:37" (1/1) ... [2021-01-06 18:52:37,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:52:37" (1/1) ... [2021-01-06 18:52:37,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:52:37" (1/1) ... [2021-01-06 18:52:37,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:52:37" (1/1) ... [2021-01-06 18:52:37,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:52:37,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:52:37,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:52:37,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:52:37,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:52:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:52:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:52:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:52:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:52:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:52:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:52:39,845 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:52:39,845 INFO L299 CfgBuilder]: Removed 235 assume(true) statements. [2021-01-06 18:52:39,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:52:39 BoogieIcfgContainer [2021-01-06 18:52:39,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:52:39,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:52:39,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:52:39,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:52:39,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:52:36" (1/3) ... [2021-01-06 18:52:39,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63dab90a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:52:39, skipping insertion in model container [2021-01-06 18:52:39,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:52:37" (2/3) ... [2021-01-06 18:52:39,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63dab90a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:52:39, skipping insertion in model container [2021-01-06 18:52:39,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:52:39" (3/3) ... [2021-01-06 18:52:39,858 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product13.cil.c [2021-01-06 18:52:39,865 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:52:39,872 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 18:52:39,892 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 18:52:39,925 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:52:39,925 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:52:39,925 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:52:39,925 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:52:39,925 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:52:39,925 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:52:39,926 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:52:39,926 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:52:39,951 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states. [2021-01-06 18:52:39,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-01-06 18:52:39,964 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:39,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:39,965 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:39,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:39,972 INFO L82 PathProgramCache]: Analyzing trace with hash -2045115247, now seen corresponding path program 1 times [2021-01-06 18:52:39,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:39,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158845518] [2021-01-06 18:52:39,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:40,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:40,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158845518] [2021-01-06 18:52:40,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:40,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:52:40,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615085661] [2021-01-06 18:52:40,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:52:40,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:40,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:52:40,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:40,420 INFO L87 Difference]: Start difference. First operand 383 states. Second operand 3 states. [2021-01-06 18:52:40,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:40,566 INFO L93 Difference]: Finished difference Result 1114 states and 1961 transitions. [2021-01-06 18:52:40,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:52:40,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2021-01-06 18:52:40,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:40,592 INFO L225 Difference]: With dead ends: 1114 [2021-01-06 18:52:40,593 INFO L226 Difference]: Without dead ends: 668 [2021-01-06 18:52:40,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:40,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2021-01-06 18:52:40,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 343. [2021-01-06 18:52:40,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2021-01-06 18:52:40,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 598 transitions. [2021-01-06 18:52:40,694 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 598 transitions. Word has length 40 [2021-01-06 18:52:40,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:40,695 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 598 transitions. [2021-01-06 18:52:40,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:52:40,695 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 598 transitions. [2021-01-06 18:52:40,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-01-06 18:52:40,699 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:40,699 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:40,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:52:40,700 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:40,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:40,701 INFO L82 PathProgramCache]: Analyzing trace with hash 581557763, now seen corresponding path program 1 times [2021-01-06 18:52:40,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:40,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478263289] [2021-01-06 18:52:40,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:40,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478263289] [2021-01-06 18:52:40,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:40,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:52:40,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17712656] [2021-01-06 18:52:40,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:52:40,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:40,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:52:40,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:52:40,881 INFO L87 Difference]: Start difference. First operand 343 states and 598 transitions. Second operand 5 states. [2021-01-06 18:52:41,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:41,149 INFO L93 Difference]: Finished difference Result 978 states and 1710 transitions. [2021-01-06 18:52:41,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:52:41,150 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2021-01-06 18:52:41,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:41,160 INFO L225 Difference]: With dead ends: 978 [2021-01-06 18:52:41,160 INFO L226 Difference]: Without dead ends: 654 [2021-01-06 18:52:41,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:52:41,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2021-01-06 18:52:41,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 343. [2021-01-06 18:52:41,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2021-01-06 18:52:41,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 597 transitions. [2021-01-06 18:52:41,218 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 597 transitions. Word has length 42 [2021-01-06 18:52:41,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:41,219 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 597 transitions. [2021-01-06 18:52:41,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:52:41,219 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 597 transitions. [2021-01-06 18:52:41,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-01-06 18:52:41,223 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:41,223 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:41,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:52:41,224 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:41,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:41,225 INFO L82 PathProgramCache]: Analyzing trace with hash -668907248, now seen corresponding path program 1 times [2021-01-06 18:52:41,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:41,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112776009] [2021-01-06 18:52:41,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:41,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:41,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112776009] [2021-01-06 18:52:41,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:41,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:52:41,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071766551] [2021-01-06 18:52:41,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:52:41,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:41,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:52:41,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:41,353 INFO L87 Difference]: Start difference. First operand 343 states and 597 transitions. Second operand 3 states. [2021-01-06 18:52:41,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:41,409 INFO L93 Difference]: Finished difference Result 668 states and 1168 transitions. [2021-01-06 18:52:41,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:52:41,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2021-01-06 18:52:41,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:41,413 INFO L225 Difference]: With dead ends: 668 [2021-01-06 18:52:41,413 INFO L226 Difference]: Without dead ends: 348 [2021-01-06 18:52:41,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:41,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-01-06 18:52:41,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 343. [2021-01-06 18:52:41,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2021-01-06 18:52:41,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 596 transitions. [2021-01-06 18:52:41,436 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 596 transitions. Word has length 43 [2021-01-06 18:52:41,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:41,436 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 596 transitions. [2021-01-06 18:52:41,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:52:41,437 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 596 transitions. [2021-01-06 18:52:41,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 18:52:41,439 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:41,439 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:41,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:52:41,439 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:41,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:41,440 INFO L82 PathProgramCache]: Analyzing trace with hash 836086358, now seen corresponding path program 1 times [2021-01-06 18:52:41,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:41,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137818615] [2021-01-06 18:52:41,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:41,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:41,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137818615] [2021-01-06 18:52:41,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:41,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:52:41,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762852982] [2021-01-06 18:52:41,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:52:41,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:41,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:52:41,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:41,526 INFO L87 Difference]: Start difference. First operand 343 states and 596 transitions. Second operand 3 states. [2021-01-06 18:52:41,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:41,561 INFO L93 Difference]: Finished difference Result 678 states and 1181 transitions. [2021-01-06 18:52:41,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:52:41,561 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2021-01-06 18:52:41,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:41,567 INFO L225 Difference]: With dead ends: 678 [2021-01-06 18:52:41,567 INFO L226 Difference]: Without dead ends: 343 [2021-01-06 18:52:41,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:41,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2021-01-06 18:52:41,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2021-01-06 18:52:41,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2021-01-06 18:52:41,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 594 transitions. [2021-01-06 18:52:41,586 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 594 transitions. Word has length 44 [2021-01-06 18:52:41,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:41,586 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 594 transitions. [2021-01-06 18:52:41,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:52:41,586 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 594 transitions. [2021-01-06 18:52:41,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-06 18:52:41,588 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:41,588 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:41,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:52:41,588 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:41,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:41,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1027434837, now seen corresponding path program 1 times [2021-01-06 18:52:41,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:41,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472303822] [2021-01-06 18:52:41,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:41,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:41,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472303822] [2021-01-06 18:52:41,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:41,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:52:41,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922540051] [2021-01-06 18:52:41,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:52:41,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:41,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:52:41,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:52:41,704 INFO L87 Difference]: Start difference. First operand 343 states and 594 transitions. Second operand 5 states. [2021-01-06 18:52:41,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:41,880 INFO L93 Difference]: Finished difference Result 968 states and 1690 transitions. [2021-01-06 18:52:41,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:52:41,880 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2021-01-06 18:52:41,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:41,885 INFO L225 Difference]: With dead ends: 968 [2021-01-06 18:52:41,886 INFO L226 Difference]: Without dead ends: 652 [2021-01-06 18:52:41,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:52:41,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2021-01-06 18:52:41,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 343. [2021-01-06 18:52:41,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2021-01-06 18:52:41,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 593 transitions. [2021-01-06 18:52:41,911 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 593 transitions. Word has length 45 [2021-01-06 18:52:41,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:41,914 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 593 transitions. [2021-01-06 18:52:41,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:52:41,914 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 593 transitions. [2021-01-06 18:52:41,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-06 18:52:41,916 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:41,916 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] [2021-01-06 18:52:41,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:52:41,917 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:41,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:41,918 INFO L82 PathProgramCache]: Analyzing trace with hash -913470578, now seen corresponding path program 1 times [2021-01-06 18:52:41,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:41,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693063721] [2021-01-06 18:52:41,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:42,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693063721] [2021-01-06 18:52:42,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:42,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:52:42,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833088437] [2021-01-06 18:52:42,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:52:42,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:42,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:52:42,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:52:42,079 INFO L87 Difference]: Start difference. First operand 343 states and 593 transitions. Second operand 5 states. [2021-01-06 18:52:42,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:42,245 INFO L93 Difference]: Finished difference Result 973 states and 1695 transitions. [2021-01-06 18:52:42,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:52:42,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2021-01-06 18:52:42,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:42,250 INFO L225 Difference]: With dead ends: 973 [2021-01-06 18:52:42,250 INFO L226 Difference]: Without dead ends: 657 [2021-01-06 18:52:42,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:52:42,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2021-01-06 18:52:42,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 343. [2021-01-06 18:52:42,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2021-01-06 18:52:42,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 592 transitions. [2021-01-06 18:52:42,276 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 592 transitions. Word has length 46 [2021-01-06 18:52:42,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:42,276 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 592 transitions. [2021-01-06 18:52:42,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:52:42,276 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 592 transitions. [2021-01-06 18:52:42,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 18:52:42,277 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:42,278 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:42,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:52:42,278 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:42,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:42,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1520446810, now seen corresponding path program 1 times [2021-01-06 18:52:42,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:42,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51200036] [2021-01-06 18:52:42,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:42,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:42,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51200036] [2021-01-06 18:52:42,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:42,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:52:42,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253382313] [2021-01-06 18:52:42,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:52:42,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:42,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:52:42,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:42,340 INFO L87 Difference]: Start difference. First operand 343 states and 592 transitions. Second operand 3 states. [2021-01-06 18:52:42,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:42,367 INFO L93 Difference]: Finished difference Result 452 states and 767 transitions. [2021-01-06 18:52:42,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:52:42,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2021-01-06 18:52:42,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:42,370 INFO L225 Difference]: With dead ends: 452 [2021-01-06 18:52:42,370 INFO L226 Difference]: Without dead ends: 346 [2021-01-06 18:52:42,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:42,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-01-06 18:52:42,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 345. [2021-01-06 18:52:42,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2021-01-06 18:52:42,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 594 transitions. [2021-01-06 18:52:42,397 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 594 transitions. Word has length 47 [2021-01-06 18:52:42,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:42,398 INFO L481 AbstractCegarLoop]: Abstraction has 345 states and 594 transitions. [2021-01-06 18:52:42,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:52:42,398 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 594 transitions. [2021-01-06 18:52:42,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-06 18:52:42,399 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:42,400 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:42,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:52:42,400 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:42,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:42,401 INFO L82 PathProgramCache]: Analyzing trace with hash -748805212, now seen corresponding path program 1 times [2021-01-06 18:52:42,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:42,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370701160] [2021-01-06 18:52:42,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:42,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:42,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370701160] [2021-01-06 18:52:42,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:42,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:52:42,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207673302] [2021-01-06 18:52:42,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:52:42,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:42,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:52:42,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:42,495 INFO L87 Difference]: Start difference. First operand 345 states and 594 transitions. Second operand 3 states. [2021-01-06 18:52:42,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:42,581 INFO L93 Difference]: Finished difference Result 921 states and 1606 transitions. [2021-01-06 18:52:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:52:42,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2021-01-06 18:52:42,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:42,587 INFO L225 Difference]: With dead ends: 921 [2021-01-06 18:52:42,587 INFO L226 Difference]: Without dead ends: 607 [2021-01-06 18:52:42,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:42,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2021-01-06 18:52:42,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 501. [2021-01-06 18:52:42,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2021-01-06 18:52:42,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 880 transitions. [2021-01-06 18:52:42,637 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 880 transitions. Word has length 53 [2021-01-06 18:52:42,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:42,638 INFO L481 AbstractCegarLoop]: Abstraction has 501 states and 880 transitions. [2021-01-06 18:52:42,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:52:42,638 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 880 transitions. [2021-01-06 18:52:42,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 18:52:42,640 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:42,640 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:42,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:52:42,642 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:42,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:42,643 INFO L82 PathProgramCache]: Analyzing trace with hash 203078211, now seen corresponding path program 1 times [2021-01-06 18:52:42,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:42,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595246315] [2021-01-06 18:52:42,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:42,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:42,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595246315] [2021-01-06 18:52:42,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685609000] [2021-01-06 18:52:42,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:52:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:43,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:52:43,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:52:43,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:43,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:52:43,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:52:43,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789882607] [2021-01-06 18:52:43,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:52:43,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:43,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:52:43,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:52:43,210 INFO L87 Difference]: Start difference. First operand 501 states and 880 transitions. Second operand 5 states. [2021-01-06 18:52:43,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:43,279 INFO L93 Difference]: Finished difference Result 925 states and 1609 transitions. [2021-01-06 18:52:43,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:52:43,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-01-06 18:52:43,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:43,289 INFO L225 Difference]: With dead ends: 925 [2021-01-06 18:52:43,289 INFO L226 Difference]: Without dead ends: 819 [2021-01-06 18:52:43,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:52:43,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2021-01-06 18:52:43,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 711. [2021-01-06 18:52:43,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 711 states. [2021-01-06 18:52:43,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1263 transitions. [2021-01-06 18:52:43,347 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1263 transitions. Word has length 54 [2021-01-06 18:52:43,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:43,347 INFO L481 AbstractCegarLoop]: Abstraction has 711 states and 1263 transitions. [2021-01-06 18:52:43,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:52:43,347 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1263 transitions. [2021-01-06 18:52:43,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 18:52:43,349 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:43,349 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:43,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-06 18:52:43,564 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:43,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:43,565 INFO L82 PathProgramCache]: Analyzing trace with hash -325908874, now seen corresponding path program 1 times [2021-01-06 18:52:43,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:43,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137298131] [2021-01-06 18:52:43,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:43,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137298131] [2021-01-06 18:52:43,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:43,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:52:43,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824890412] [2021-01-06 18:52:43,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:52:43,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:43,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:52:43,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:43,666 INFO L87 Difference]: Start difference. First operand 711 states and 1263 transitions. Second operand 3 states. [2021-01-06 18:52:43,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:43,740 INFO L93 Difference]: Finished difference Result 1803 states and 3220 transitions. [2021-01-06 18:52:43,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:52:43,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2021-01-06 18:52:43,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:43,748 INFO L225 Difference]: With dead ends: 1803 [2021-01-06 18:52:43,748 INFO L226 Difference]: Without dead ends: 1181 [2021-01-06 18:52:43,749 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:43,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2021-01-06 18:52:43,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1075. [2021-01-06 18:52:43,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2021-01-06 18:52:43,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1927 transitions. [2021-01-06 18:52:43,824 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1927 transitions. Word has length 60 [2021-01-06 18:52:43,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:43,824 INFO L481 AbstractCegarLoop]: Abstraction has 1075 states and 1927 transitions. [2021-01-06 18:52:43,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:52:43,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1927 transitions. [2021-01-06 18:52:43,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 18:52:43,826 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:43,827 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] [2021-01-06 18:52:43,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:52:43,827 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:43,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:43,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1689679878, now seen corresponding path program 2 times [2021-01-06 18:52:43,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:43,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541284902] [2021-01-06 18:52:43,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:43,893 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:43,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541284902] [2021-01-06 18:52:43,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:43,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:52:43,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10863580] [2021-01-06 18:52:43,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:52:43,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:43,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:52:43,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:43,895 INFO L87 Difference]: Start difference. First operand 1075 states and 1927 transitions. Second operand 3 states. [2021-01-06 18:52:43,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:43,971 INFO L93 Difference]: Finished difference Result 2013 states and 3601 transitions. [2021-01-06 18:52:43,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:52:43,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 18:52:43,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:43,984 INFO L225 Difference]: With dead ends: 2013 [2021-01-06 18:52:43,984 INFO L226 Difference]: Without dead ends: 1181 [2021-01-06 18:52:43,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:43,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2021-01-06 18:52:44,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1075. [2021-01-06 18:52:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2021-01-06 18:52:44,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1925 transitions. [2021-01-06 18:52:44,053 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1925 transitions. Word has length 61 [2021-01-06 18:52:44,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:44,053 INFO L481 AbstractCegarLoop]: Abstraction has 1075 states and 1925 transitions. [2021-01-06 18:52:44,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:52:44,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1925 transitions. [2021-01-06 18:52:44,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 18:52:44,056 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:44,056 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:44,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 18:52:44,057 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:44,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:44,057 INFO L82 PathProgramCache]: Analyzing trace with hash -2129521083, now seen corresponding path program 1 times [2021-01-06 18:52:44,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:44,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661310756] [2021-01-06 18:52:44,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:44,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:44,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661310756] [2021-01-06 18:52:44,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:44,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:52:44,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499981062] [2021-01-06 18:52:44,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:52:44,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:44,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:52:44,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:44,123 INFO L87 Difference]: Start difference. First operand 1075 states and 1925 transitions. Second operand 3 states. [2021-01-06 18:52:44,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:44,247 INFO L93 Difference]: Finished difference Result 2867 states and 5161 transitions. [2021-01-06 18:52:44,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:52:44,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 18:52:44,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:44,259 INFO L225 Difference]: With dead ends: 2867 [2021-01-06 18:52:44,259 INFO L226 Difference]: Without dead ends: 1889 [2021-01-06 18:52:44,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:44,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2021-01-06 18:52:44,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1783. [2021-01-06 18:52:44,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1783 states. [2021-01-06 18:52:44,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 3216 transitions. [2021-01-06 18:52:44,365 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 3216 transitions. Word has length 61 [2021-01-06 18:52:44,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:44,366 INFO L481 AbstractCegarLoop]: Abstraction has 1783 states and 3216 transitions. [2021-01-06 18:52:44,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:52:44,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 3216 transitions. [2021-01-06 18:52:44,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 18:52:44,369 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:44,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:44,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:52:44,369 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:44,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:44,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1313764920, now seen corresponding path program 1 times [2021-01-06 18:52:44,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:44,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716823686] [2021-01-06 18:52:44,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:44,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:44,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716823686] [2021-01-06 18:52:44,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:44,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:52:44,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694490910] [2021-01-06 18:52:44,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:52:44,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:44,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:52:44,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:44,433 INFO L87 Difference]: Start difference. First operand 1783 states and 3216 transitions. Second operand 3 states. [2021-01-06 18:52:44,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:44,598 INFO L93 Difference]: Finished difference Result 4727 states and 8553 transitions. [2021-01-06 18:52:44,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:52:44,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2021-01-06 18:52:44,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:44,618 INFO L225 Difference]: With dead ends: 4727 [2021-01-06 18:52:44,618 INFO L226 Difference]: Without dead ends: 3075 [2021-01-06 18:52:44,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:44,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3075 states. [2021-01-06 18:52:44,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3075 to 2969. [2021-01-06 18:52:44,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2969 states. [2021-01-06 18:52:44,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 2969 states and 5373 transitions. [2021-01-06 18:52:44,825 INFO L78 Accepts]: Start accepts. Automaton has 2969 states and 5373 transitions. Word has length 62 [2021-01-06 18:52:44,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:44,825 INFO L481 AbstractCegarLoop]: Abstraction has 2969 states and 5373 transitions. [2021-01-06 18:52:44,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:52:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2969 states and 5373 transitions. [2021-01-06 18:52:44,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-01-06 18:52:44,829 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:44,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:44,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:52:44,829 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:44,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:44,830 INFO L82 PathProgramCache]: Analyzing trace with hash -436979882, now seen corresponding path program 1 times [2021-01-06 18:52:44,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:44,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019241122] [2021-01-06 18:52:44,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:44,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:44,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019241122] [2021-01-06 18:52:44,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:44,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:52:44,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523810978] [2021-01-06 18:52:44,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:52:44,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:44,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:52:44,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:44,906 INFO L87 Difference]: Start difference. First operand 2969 states and 5373 transitions. Second operand 3 states. [2021-01-06 18:52:45,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:45,210 INFO L93 Difference]: Finished difference Result 8001 states and 14507 transitions. [2021-01-06 18:52:45,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:52:45,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2021-01-06 18:52:45,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:45,244 INFO L225 Difference]: With dead ends: 8001 [2021-01-06 18:52:45,244 INFO L226 Difference]: Without dead ends: 5197 [2021-01-06 18:52:45,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:45,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5197 states. [2021-01-06 18:52:45,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5197 to 5091. [2021-01-06 18:52:45,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5091 states. [2021-01-06 18:52:45,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5091 states to 5091 states and 9222 transitions. [2021-01-06 18:52:45,562 INFO L78 Accepts]: Start accepts. Automaton has 5091 states and 9222 transitions. Word has length 63 [2021-01-06 18:52:45,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:45,563 INFO L481 AbstractCegarLoop]: Abstraction has 5091 states and 9222 transitions. [2021-01-06 18:52:45,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:52:45,563 INFO L276 IsEmpty]: Start isEmpty. Operand 5091 states and 9222 transitions. [2021-01-06 18:52:45,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 18:52:45,567 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:45,567 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] [2021-01-06 18:52:45,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:52:45,567 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:45,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:45,568 INFO L82 PathProgramCache]: Analyzing trace with hash 148463450, now seen corresponding path program 1 times [2021-01-06 18:52:45,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:45,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746366096] [2021-01-06 18:52:45,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:45,656 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:52:45,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746366096] [2021-01-06 18:52:45,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:45,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:52:45,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950246358] [2021-01-06 18:52:45,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:52:45,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:45,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:52:45,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:52:45,665 INFO L87 Difference]: Start difference. First operand 5091 states and 9222 transitions. Second operand 5 states. [2021-01-06 18:52:46,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:46,337 INFO L93 Difference]: Finished difference Result 14500 states and 26297 transitions. [2021-01-06 18:52:46,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:52:46,338 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2021-01-06 18:52:46,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:46,389 INFO L225 Difference]: With dead ends: 14500 [2021-01-06 18:52:46,389 INFO L226 Difference]: Without dead ends: 9652 [2021-01-06 18:52:46,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:52:46,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9652 states. [2021-01-06 18:52:46,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9652 to 5091. [2021-01-06 18:52:46,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5091 states. [2021-01-06 18:52:46,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5091 states to 5091 states and 9172 transitions. [2021-01-06 18:52:46,789 INFO L78 Accepts]: Start accepts. Automaton has 5091 states and 9172 transitions. Word has length 64 [2021-01-06 18:52:46,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:46,790 INFO L481 AbstractCegarLoop]: Abstraction has 5091 states and 9172 transitions. [2021-01-06 18:52:46,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:52:46,790 INFO L276 IsEmpty]: Start isEmpty. Operand 5091 states and 9172 transitions. [2021-01-06 18:52:46,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 18:52:46,797 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:46,797 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:46,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:52:46,798 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:46,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:46,798 INFO L82 PathProgramCache]: Analyzing trace with hash -118139543, now seen corresponding path program 1 times [2021-01-06 18:52:46,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:46,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509318528] [2021-01-06 18:52:46,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:46,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:46,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509318528] [2021-01-06 18:52:46,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:46,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:52:46,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145020334] [2021-01-06 18:52:46,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:52:46,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:46,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:52:46,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:46,871 INFO L87 Difference]: Start difference. First operand 5091 states and 9172 transitions. Second operand 3 states. [2021-01-06 18:52:47,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:47,440 INFO L93 Difference]: Finished difference Result 14825 states and 26749 transitions. [2021-01-06 18:52:47,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:52:47,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2021-01-06 18:52:47,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:47,491 INFO L225 Difference]: With dead ends: 14825 [2021-01-06 18:52:47,492 INFO L226 Difference]: Without dead ends: 9903 [2021-01-06 18:52:47,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:47,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9903 states. [2021-01-06 18:52:48,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9903 to 9797. [2021-01-06 18:52:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9797 states. [2021-01-06 18:52:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9797 states to 9797 states and 17653 transitions. [2021-01-06 18:52:48,323 INFO L78 Accepts]: Start accepts. Automaton has 9797 states and 17653 transitions. Word has length 64 [2021-01-06 18:52:48,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:48,323 INFO L481 AbstractCegarLoop]: Abstraction has 9797 states and 17653 transitions. [2021-01-06 18:52:48,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:52:48,323 INFO L276 IsEmpty]: Start isEmpty. Operand 9797 states and 17653 transitions. [2021-01-06 18:52:48,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 18:52:48,328 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:48,328 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:48,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:52:48,329 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:48,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:48,329 INFO L82 PathProgramCache]: Analyzing trace with hash 2145452373, now seen corresponding path program 1 times [2021-01-06 18:52:48,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:48,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177437806] [2021-01-06 18:52:48,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:48,426 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:52:48,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177437806] [2021-01-06 18:52:48,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:48,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:52:48,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882224117] [2021-01-06 18:52:48,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:52:48,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:48,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:52:48,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:52:48,429 INFO L87 Difference]: Start difference. First operand 9797 states and 17653 transitions. Second operand 5 states. [2021-01-06 18:52:48,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:48,993 INFO L93 Difference]: Finished difference Result 10300 states and 18472 transitions. [2021-01-06 18:52:48,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:52:49,068 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2021-01-06 18:52:49,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:49,101 INFO L225 Difference]: With dead ends: 10300 [2021-01-06 18:52:49,101 INFO L226 Difference]: Without dead ends: 10220 [2021-01-06 18:52:49,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:52:49,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10220 states. [2021-01-06 18:52:49,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10220 to 9880. [2021-01-06 18:52:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9880 states. [2021-01-06 18:52:49,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9880 states to 9880 states and 17787 transitions. [2021-01-06 18:52:49,692 INFO L78 Accepts]: Start accepts. Automaton has 9880 states and 17787 transitions. Word has length 65 [2021-01-06 18:52:49,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:49,692 INFO L481 AbstractCegarLoop]: Abstraction has 9880 states and 17787 transitions. [2021-01-06 18:52:49,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:52:49,693 INFO L276 IsEmpty]: Start isEmpty. Operand 9880 states and 17787 transitions. [2021-01-06 18:52:49,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 18:52:49,742 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:49,743 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:49,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:52:49,743 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:49,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:49,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1931043336, now seen corresponding path program 1 times [2021-01-06 18:52:49,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:49,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717082266] [2021-01-06 18:52:49,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:49,835 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:52:49,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717082266] [2021-01-06 18:52:49,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:49,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:52:49,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634622347] [2021-01-06 18:52:49,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:52:49,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:49,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:52:49,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:52:49,841 INFO L87 Difference]: Start difference. First operand 9880 states and 17787 transitions. Second operand 7 states. [2021-01-06 18:52:50,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:50,383 INFO L93 Difference]: Finished difference Result 10128 states and 18186 transitions. [2021-01-06 18:52:50,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:52:50,384 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2021-01-06 18:52:50,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:50,416 INFO L225 Difference]: With dead ends: 10128 [2021-01-06 18:52:50,416 INFO L226 Difference]: Without dead ends: 9978 [2021-01-06 18:52:50,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-01-06 18:52:50,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9978 states. [2021-01-06 18:52:51,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9978 to 9869. [2021-01-06 18:52:51,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9869 states. [2021-01-06 18:52:51,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9869 states to 9869 states and 17767 transitions. [2021-01-06 18:52:51,234 INFO L78 Accepts]: Start accepts. Automaton has 9869 states and 17767 transitions. Word has length 66 [2021-01-06 18:52:51,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:51,235 INFO L481 AbstractCegarLoop]: Abstraction has 9869 states and 17767 transitions. [2021-01-06 18:52:51,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:52:51,235 INFO L276 IsEmpty]: Start isEmpty. Operand 9869 states and 17767 transitions. [2021-01-06 18:52:51,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:52:51,242 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:51,242 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] [2021-01-06 18:52:51,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:52:51,242 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:51,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:51,243 INFO L82 PathProgramCache]: Analyzing trace with hash 105215135, now seen corresponding path program 1 times [2021-01-06 18:52:51,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:51,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544627846] [2021-01-06 18:52:51,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:51,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:51,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544627846] [2021-01-06 18:52:51,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004935040] [2021-01-06 18:52:51,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:52:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:51,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 18:52:51,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:52:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:51,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:52:51,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-01-06 18:52:51,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456644981] [2021-01-06 18:52:51,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:52:51,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:51,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:52:51,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:52:51,873 INFO L87 Difference]: Start difference. First operand 9869 states and 17767 transitions. Second operand 6 states. [2021-01-06 18:52:52,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:52,347 INFO L93 Difference]: Finished difference Result 11790 states and 21097 transitions. [2021-01-06 18:52:52,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:52:52,348 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2021-01-06 18:52:52,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:52,386 INFO L225 Difference]: With dead ends: 11790 [2021-01-06 18:52:52,387 INFO L226 Difference]: Without dead ends: 11612 [2021-01-06 18:52:52,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:52:52,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11612 states. [2021-01-06 18:52:53,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11612 to 11234. [2021-01-06 18:52:53,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11234 states. [2021-01-06 18:52:53,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11234 states to 11234 states and 20198 transitions. [2021-01-06 18:52:53,129 INFO L78 Accepts]: Start accepts. Automaton has 11234 states and 20198 transitions. Word has length 68 [2021-01-06 18:52:53,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:53,129 INFO L481 AbstractCegarLoop]: Abstraction has 11234 states and 20198 transitions. [2021-01-06 18:52:53,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:52:53,130 INFO L276 IsEmpty]: Start isEmpty. Operand 11234 states and 20198 transitions. [2021-01-06 18:52:53,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:52:53,138 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:53,138 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] [2021-01-06 18:52:53,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:52:53,352 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:53,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:53,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1919236047, now seen corresponding path program 1 times [2021-01-06 18:52:53,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:53,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489712119] [2021-01-06 18:52:53,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:53,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:53,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489712119] [2021-01-06 18:52:53,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:53,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:52:53,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646031435] [2021-01-06 18:52:53,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:52:53,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:53,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:52:53,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:53,419 INFO L87 Difference]: Start difference. First operand 11234 states and 20198 transitions. Second operand 3 states. [2021-01-06 18:52:54,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:54,143 INFO L93 Difference]: Finished difference Result 31093 states and 56067 transitions. [2021-01-06 18:52:54,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:52:54,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-06 18:52:54,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:54,314 INFO L225 Difference]: With dead ends: 31093 [2021-01-06 18:52:54,314 INFO L226 Difference]: Without dead ends: 20749 [2021-01-06 18:52:54,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:54,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20749 states. [2021-01-06 18:52:55,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20749 to 20571. [2021-01-06 18:52:55,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20571 states. [2021-01-06 18:52:55,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20571 states to 20571 states and 37050 transitions. [2021-01-06 18:52:55,613 INFO L78 Accepts]: Start accepts. Automaton has 20571 states and 37050 transitions. Word has length 68 [2021-01-06 18:52:55,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:55,614 INFO L481 AbstractCegarLoop]: Abstraction has 20571 states and 37050 transitions. [2021-01-06 18:52:55,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:52:55,614 INFO L276 IsEmpty]: Start isEmpty. Operand 20571 states and 37050 transitions. [2021-01-06 18:52:55,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:52:55,627 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:55,627 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:55,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:52:55,628 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:55,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:55,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1248392809, now seen corresponding path program 1 times [2021-01-06 18:52:55,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:55,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343250274] [2021-01-06 18:52:55,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:55,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:55,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343250274] [2021-01-06 18:52:55,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:55,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:52:55,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306596173] [2021-01-06 18:52:55,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:52:55,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:55,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:52:55,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:55,696 INFO L87 Difference]: Start difference. First operand 20571 states and 37050 transitions. Second operand 3 states. [2021-01-06 18:52:57,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:52:57,069 INFO L93 Difference]: Finished difference Result 58926 states and 106244 transitions. [2021-01-06 18:52:57,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:52:57,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2021-01-06 18:52:57,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:57,172 INFO L225 Difference]: With dead ends: 58926 [2021-01-06 18:52:57,172 INFO L226 Difference]: Without dead ends: 39404 [2021-01-06 18:52:57,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:57,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39404 states. [2021-01-06 18:52:59,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39404 to 39226. [2021-01-06 18:52:59,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39226 states. [2021-01-06 18:52:59,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39226 states to 39226 states and 70580 transitions. [2021-01-06 18:52:59,135 INFO L78 Accepts]: Start accepts. Automaton has 39226 states and 70580 transitions. Word has length 69 [2021-01-06 18:52:59,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:59,135 INFO L481 AbstractCegarLoop]: Abstraction has 39226 states and 70580 transitions. [2021-01-06 18:52:59,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:52:59,135 INFO L276 IsEmpty]: Start isEmpty. Operand 39226 states and 70580 transitions. [2021-01-06 18:52:59,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:52:59,145 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:59,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:52:59,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:52:59,145 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:59,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:59,145 INFO L82 PathProgramCache]: Analyzing trace with hash -730072611, now seen corresponding path program 1 times [2021-01-06 18:52:59,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:59,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582264267] [2021-01-06 18:52:59,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:59,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582264267] [2021-01-06 18:52:59,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:59,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:52:59,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923017919] [2021-01-06 18:52:59,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:52:59,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:59,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:52:59,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:52:59,205 INFO L87 Difference]: Start difference. First operand 39226 states and 70580 transitions. Second operand 3 states. [2021-01-06 18:53:01,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:01,569 INFO L93 Difference]: Finished difference Result 106393 states and 191287 transitions. [2021-01-06 18:53:01,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:53:01,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2021-01-06 18:53:01,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:01,732 INFO L225 Difference]: With dead ends: 106393 [2021-01-06 18:53:01,732 INFO L226 Difference]: Without dead ends: 68655 [2021-01-06 18:53:01,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:01,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68655 states. [2021-01-06 18:53:05,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68655 to 68477. [2021-01-06 18:53:05,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68477 states. [2021-01-06 18:53:05,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68477 states to 68477 states and 122743 transitions. [2021-01-06 18:53:05,260 INFO L78 Accepts]: Start accepts. Automaton has 68477 states and 122743 transitions. Word has length 70 [2021-01-06 18:53:05,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:05,260 INFO L481 AbstractCegarLoop]: Abstraction has 68477 states and 122743 transitions. [2021-01-06 18:53:05,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:53:05,260 INFO L276 IsEmpty]: Start isEmpty. Operand 68477 states and 122743 transitions. [2021-01-06 18:53:05,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:53:05,272 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:05,272 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:53:05,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:53:05,273 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:05,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:05,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1056142777, now seen corresponding path program 1 times [2021-01-06 18:53:05,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:05,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000959873] [2021-01-06 18:53:05,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:05,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:53:05,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000959873] [2021-01-06 18:53:05,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:05,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:53:05,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028648975] [2021-01-06 18:53:05,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:53:05,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:05,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:53:05,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:05,349 INFO L87 Difference]: Start difference. First operand 68477 states and 122743 transitions. Second operand 3 states. [2021-01-06 18:53:10,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:10,723 INFO L93 Difference]: Finished difference Result 199140 states and 357124 transitions. [2021-01-06 18:53:10,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:53:10,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2021-01-06 18:53:10,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:11,043 INFO L225 Difference]: With dead ends: 199140 [2021-01-06 18:53:11,043 INFO L226 Difference]: Without dead ends: 132366 [2021-01-06 18:53:11,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:11,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132366 states. [2021-01-06 18:53:16,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132366 to 132188. [2021-01-06 18:53:16,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132188 states. [2021-01-06 18:53:17,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132188 states to 132188 states and 236522 transitions. [2021-01-06 18:53:17,502 INFO L78 Accepts]: Start accepts. Automaton has 132188 states and 236522 transitions. Word has length 71 [2021-01-06 18:53:17,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:17,502 INFO L481 AbstractCegarLoop]: Abstraction has 132188 states and 236522 transitions. [2021-01-06 18:53:17,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:53:17,502 INFO L276 IsEmpty]: Start isEmpty. Operand 132188 states and 236522 transitions. [2021-01-06 18:53:17,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:53:17,513 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:17,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:53:17,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:53:17,513 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:17,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:17,514 INFO L82 PathProgramCache]: Analyzing trace with hash -551097650, now seen corresponding path program 1 times [2021-01-06 18:53:17,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:17,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339359423] [2021-01-06 18:53:17,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:17,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:53:17,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339359423] [2021-01-06 18:53:17,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:17,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:53:17,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404073989] [2021-01-06 18:53:17,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:53:17,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:17,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:53:17,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:17,574 INFO L87 Difference]: Start difference. First operand 132188 states and 236522 transitions. Second operand 3 states. [2021-01-06 18:53:25,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:25,102 INFO L93 Difference]: Finished difference Result 230525 states and 410984 transitions. [2021-01-06 18:53:25,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:53:25,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2021-01-06 18:53:25,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:25,828 INFO L225 Difference]: With dead ends: 230525 [2021-01-06 18:53:25,828 INFO L226 Difference]: Without dead ends: 230347 [2021-01-06 18:53:25,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:26,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230347 states. [2021-01-06 18:53:35,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230347 to 230169. [2021-01-06 18:53:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230169 states. [2021-01-06 18:53:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230169 states to 230169 states and 409378 transitions. [2021-01-06 18:53:36,294 INFO L78 Accepts]: Start accepts. Automaton has 230169 states and 409378 transitions. Word has length 72 [2021-01-06 18:53:36,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:36,294 INFO L481 AbstractCegarLoop]: Abstraction has 230169 states and 409378 transitions. [2021-01-06 18:53:36,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:53:36,294 INFO L276 IsEmpty]: Start isEmpty. Operand 230169 states and 409378 transitions. [2021-01-06 18:53:36,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 18:53:36,308 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:36,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:53:36,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:53:36,309 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:36,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:36,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1234620185, now seen corresponding path program 1 times [2021-01-06 18:53:36,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:36,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377672258] [2021-01-06 18:53:36,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:36,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:53:36,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377672258] [2021-01-06 18:53:36,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:36,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 18:53:36,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610071413] [2021-01-06 18:53:36,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:53:36,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:36,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:53:36,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:53:36,477 INFO L87 Difference]: Start difference. First operand 230169 states and 409378 transitions. Second operand 6 states. [2021-01-06 18:54:05,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:05,630 INFO L93 Difference]: Finished difference Result 886324 states and 1581377 transitions. [2021-01-06 18:54:05,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 18:54:05,631 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2021-01-06 18:54:05,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:08,697 INFO L225 Difference]: With dead ends: 886324 [2021-01-06 18:54:08,697 INFO L226 Difference]: Without dead ends: 886316 [2021-01-06 18:54:08,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-01-06 18:54:10,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886316 states. [2021-01-06 18:54:39,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886316 to 460320. [2021-01-06 18:54:39,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460320 states. [2021-01-06 18:54:42,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460320 states to 460320 states and 818732 transitions. [2021-01-06 18:54:42,592 INFO L78 Accepts]: Start accepts. Automaton has 460320 states and 818732 transitions. Word has length 73 [2021-01-06 18:54:42,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:42,593 INFO L481 AbstractCegarLoop]: Abstraction has 460320 states and 818732 transitions. [2021-01-06 18:54:42,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:54:42,593 INFO L276 IsEmpty]: Start isEmpty. Operand 460320 states and 818732 transitions. [2021-01-06 18:54:42,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:54:42,620 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:42,621 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:54:42,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:54:42,621 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:54:42,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:42,635 INFO L82 PathProgramCache]: Analyzing trace with hash -379902649, now seen corresponding path program 1 times [2021-01-06 18:54:42,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:42,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54655879] [2021-01-06 18:54:42,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:42,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:54:42,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54655879] [2021-01-06 18:54:42,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:42,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:54:42,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263765607] [2021-01-06 18:54:42,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:54:42,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:42,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:54:42,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:54:42,826 INFO L87 Difference]: Start difference. First operand 460320 states and 818732 transitions. Second operand 8 states. [2021-01-06 18:55:01,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:01,825 INFO L93 Difference]: Finished difference Result 460716 states and 819363 transitions. [2021-01-06 18:55:01,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-06 18:55:01,826 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 74 [2021-01-06 18:55:01,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:03,196 INFO L225 Difference]: With dead ends: 460716 [2021-01-06 18:55:03,197 INFO L226 Difference]: Without dead ends: 460384 [2021-01-06 18:55:03,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-01-06 18:55:03,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460384 states.