/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_spec9_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:06:02,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:06:02,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:06:02,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:06:02,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:06:02,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:06:02,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:06:02,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:06:02,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:06:02,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:06:02,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:06:02,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:06:02,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:06:02,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:06:02,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:06:02,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:06:02,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:06:02,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:06:02,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:06:02,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:06:02,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:06:02,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:06:02,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:06:02,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:06:02,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:06:02,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:06:02,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:06:02,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:06:02,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:06:02,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:06:02,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:06:02,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:06:02,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:06:02,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:06:02,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:06:02,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:06:02,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:06:02,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:06:02,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:06:02,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:06:02,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:06:02,579 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 19:06:02,628 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:06:02,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:06:02,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:06:02,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:06:02,634 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:06:02,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:06:02,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:06:02,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:06:02,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:06:02,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:06:02,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:06:02,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:06:02,637 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:06:02,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:06:02,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:06:02,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:06:02,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:06:02,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:06:02,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:06:02,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:06:02,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:06:02,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:06:02,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:06:02,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:06:02,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:06:02,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:06:03,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:06:03,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:06:03,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:06:03,105 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:06:03,106 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:06:03,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product15.cil.c [2021-01-06 19:06:03,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ec1bd2b65/e99bebfa33684c46ae19df4836ed29f8/FLAG73b2095c2 [2021-01-06 19:06:03,991 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:06:03,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product15.cil.c [2021-01-06 19:06:04,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ec1bd2b65/e99bebfa33684c46ae19df4836ed29f8/FLAG73b2095c2 [2021-01-06 19:06:04,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ec1bd2b65/e99bebfa33684c46ae19df4836ed29f8 [2021-01-06 19:06:04,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:06:04,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:06:04,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:06:04,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:06:04,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:06:04,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:06:04" (1/1) ... [2021-01-06 19:06:04,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66009c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:04, skipping insertion in model container [2021-01-06 19:06:04,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:06:04" (1/1) ... [2021-01-06 19:06:04,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:06:04,280 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~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_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~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_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~14,] 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~14,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~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[~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[~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[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] 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~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[~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[~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[~retValue_acc~30,] 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[~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[~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[~retValue_acc~31,] 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~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[~retValue_acc~32,] 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~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[~retValue_acc~33,] 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] [2021-01-06 19:06:05,013 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_spec9_product15.cil.c[50756,50769] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~35,] 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[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] 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~19,] 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[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 19:06:05,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:06:05,235 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~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_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~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_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~14,] 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~14,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~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[~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[~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[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] 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~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[~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[~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[~retValue_acc~30,] 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[~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[~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[~retValue_acc~31,] 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~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[~retValue_acc~32,] 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~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[~retValue_acc~33,] 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] [2021-01-06 19:06:05,381 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_spec9_product15.cil.c[50756,50769] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~35,] 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[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] 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~19,] 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[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 19:06:05,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:06:05,504 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:06:05,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:05 WrapperNode [2021-01-06 19:06:05,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:06:05,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:06:05,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:06:05,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:06:05,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:05" (1/1) ... [2021-01-06 19:06:05,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:05" (1/1) ... [2021-01-06 19:06:05,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:06:05,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:06:05,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:06:05,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:06:05,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:05" (1/1) ... [2021-01-06 19:06:05,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:05" (1/1) ... [2021-01-06 19:06:05,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:05" (1/1) ... [2021-01-06 19:06:05,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:05" (1/1) ... [2021-01-06 19:06:05,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:05" (1/1) ... [2021-01-06 19:06:05,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:05" (1/1) ... [2021-01-06 19:06:05,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:05" (1/1) ... [2021-01-06 19:06:05,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:06:05,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:06:05,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:06:05,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:06:05,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:05" (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 19:06:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 19:06:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:06:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:06:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:06:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:06:09,080 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:06:09,080 INFO L299 CfgBuilder]: Removed 259 assume(true) statements. [2021-01-06 19:06:09,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:06:09 BoogieIcfgContainer [2021-01-06 19:06:09,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:06:09,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:06:09,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:06:09,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:06:09,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:06:04" (1/3) ... [2021-01-06 19:06:09,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e30638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:06:09, skipping insertion in model container [2021-01-06 19:06:09,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:06:05" (2/3) ... [2021-01-06 19:06:09,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e30638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:06:09, skipping insertion in model container [2021-01-06 19:06:09,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:06:09" (3/3) ... [2021-01-06 19:06:09,100 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product15.cil.c [2021-01-06 19:06:09,107 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:06:09,113 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 19:06:09,132 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 19:06:09,163 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:06:09,164 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:06:09,164 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:06:09,164 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:06:09,164 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:06:09,164 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:06:09,164 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:06:09,165 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:06:09,191 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states. [2021-01-06 19:06:09,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-06 19:06:09,206 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:09,207 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:09,207 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:09,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:09,214 INFO L82 PathProgramCache]: Analyzing trace with hash 827013746, now seen corresponding path program 1 times [2021-01-06 19:06:09,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:09,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573104763] [2021-01-06 19:06:09,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:09,754 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 19:06:09,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573104763] [2021-01-06 19:06:09,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:09,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:09,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728638526] [2021-01-06 19:06:09,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:09,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:09,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:09,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:09,781 INFO L87 Difference]: Start difference. First operand 411 states. Second operand 3 states. [2021-01-06 19:06:09,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:09,938 INFO L93 Difference]: Finished difference Result 1198 states and 2102 transitions. [2021-01-06 19:06:09,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:09,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2021-01-06 19:06:09,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:09,967 INFO L225 Difference]: With dead ends: 1198 [2021-01-06 19:06:09,967 INFO L226 Difference]: Without dead ends: 710 [2021-01-06 19:06:09,974 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 19:06:09,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2021-01-06 19:06:10,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 364. [2021-01-06 19:06:10,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2021-01-06 19:06:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 635 transitions. [2021-01-06 19:06:10,091 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 635 transitions. Word has length 41 [2021-01-06 19:06:10,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:10,092 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 635 transitions. [2021-01-06 19:06:10,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:10,092 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 635 transitions. [2021-01-06 19:06:10,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-01-06 19:06:10,099 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:10,099 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 19:06:10,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:06:10,099 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:10,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:10,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1561724417, now seen corresponding path program 1 times [2021-01-06 19:06:10,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:10,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841942158] [2021-01-06 19:06:10,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:10,248 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 19:06:10,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841942158] [2021-01-06 19:06:10,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:10,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:06:10,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092214963] [2021-01-06 19:06:10,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:06:10,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:10,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:06:10,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:06:10,254 INFO L87 Difference]: Start difference. First operand 364 states and 635 transitions. Second operand 5 states. [2021-01-06 19:06:10,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:10,564 INFO L93 Difference]: Finished difference Result 1041 states and 1821 transitions. [2021-01-06 19:06:10,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:06:10,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2021-01-06 19:06:10,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:10,575 INFO L225 Difference]: With dead ends: 1041 [2021-01-06 19:06:10,575 INFO L226 Difference]: Without dead ends: 696 [2021-01-06 19:06:10,581 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 19:06:10,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2021-01-06 19:06:10,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 364. [2021-01-06 19:06:10,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2021-01-06 19:06:10,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 634 transitions. [2021-01-06 19:06:10,644 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 634 transitions. Word has length 43 [2021-01-06 19:06:10,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:10,645 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 634 transitions. [2021-01-06 19:06:10,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:06:10,646 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 634 transitions. [2021-01-06 19:06:10,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 19:06:10,651 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:10,657 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 19:06:10,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:06:10,657 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:10,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:10,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1671434094, now seen corresponding path program 1 times [2021-01-06 19:06:10,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:10,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525872191] [2021-01-06 19:06:10,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:10,816 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 19:06:10,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525872191] [2021-01-06 19:06:10,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:10,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:10,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415619832] [2021-01-06 19:06:10,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:10,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:10,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:10,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:10,820 INFO L87 Difference]: Start difference. First operand 364 states and 634 transitions. Second operand 3 states. [2021-01-06 19:06:10,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:10,876 INFO L93 Difference]: Finished difference Result 710 states and 1242 transitions. [2021-01-06 19:06:10,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:10,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2021-01-06 19:06:10,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:10,880 INFO L225 Difference]: With dead ends: 710 [2021-01-06 19:06:10,880 INFO L226 Difference]: Without dead ends: 369 [2021-01-06 19:06:10,881 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 19:06:10,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2021-01-06 19:06:10,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 364. [2021-01-06 19:06:10,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2021-01-06 19:06:10,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 633 transitions. [2021-01-06 19:06:10,906 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 633 transitions. Word has length 44 [2021-01-06 19:06:10,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:10,914 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 633 transitions. [2021-01-06 19:06:10,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 633 transitions. [2021-01-06 19:06:10,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-06 19:06:10,918 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:10,919 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:10,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:06:10,919 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:10,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:10,920 INFO L82 PathProgramCache]: Analyzing trace with hash 2033694732, now seen corresponding path program 1 times [2021-01-06 19:06:10,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:10,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337335476] [2021-01-06 19:06:10,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:11,082 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 19:06:11,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337335476] [2021-01-06 19:06:11,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:11,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:11,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055966889] [2021-01-06 19:06:11,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:11,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:11,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:11,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:11,088 INFO L87 Difference]: Start difference. First operand 364 states and 633 transitions. Second operand 3 states. [2021-01-06 19:06:11,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:11,155 INFO L93 Difference]: Finished difference Result 720 states and 1255 transitions. [2021-01-06 19:06:11,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:11,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2021-01-06 19:06:11,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:11,159 INFO L225 Difference]: With dead ends: 720 [2021-01-06 19:06:11,159 INFO L226 Difference]: Without dead ends: 364 [2021-01-06 19:06:11,161 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 19:06:11,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-01-06 19:06:11,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2021-01-06 19:06:11,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2021-01-06 19:06:11,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 631 transitions. [2021-01-06 19:06:11,181 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 631 transitions. Word has length 45 [2021-01-06 19:06:11,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:11,182 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 631 transitions. [2021-01-06 19:06:11,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 631 transitions. [2021-01-06 19:06:11,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-06 19:06:11,183 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:11,183 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 19:06:11,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:06:11,184 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:11,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:11,185 INFO L82 PathProgramCache]: Analyzing trace with hash 99112535, now seen corresponding path program 1 times [2021-01-06 19:06:11,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:11,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696597645] [2021-01-06 19:06:11,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:11,307 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 19:06:11,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696597645] [2021-01-06 19:06:11,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:11,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:06:11,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556724032] [2021-01-06 19:06:11,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:06:11,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:11,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:06:11,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:06:11,311 INFO L87 Difference]: Start difference. First operand 364 states and 631 transitions. Second operand 5 states. [2021-01-06 19:06:11,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:11,581 INFO L93 Difference]: Finished difference Result 1031 states and 1801 transitions. [2021-01-06 19:06:11,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:06:11,581 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2021-01-06 19:06:11,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:11,586 INFO L225 Difference]: With dead ends: 1031 [2021-01-06 19:06:11,587 INFO L226 Difference]: Without dead ends: 694 [2021-01-06 19:06:11,588 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 19:06:11,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2021-01-06 19:06:11,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 364. [2021-01-06 19:06:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2021-01-06 19:06:11,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 630 transitions. [2021-01-06 19:06:11,619 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 630 transitions. Word has length 46 [2021-01-06 19:06:11,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:11,622 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 630 transitions. [2021-01-06 19:06:11,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:06:11,622 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 630 transitions. [2021-01-06 19:06:11,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 19:06:11,624 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:11,625 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 19:06:11,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:06:11,625 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:11,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:11,626 INFO L82 PathProgramCache]: Analyzing trace with hash -662962732, now seen corresponding path program 1 times [2021-01-06 19:06:11,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:11,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349327690] [2021-01-06 19:06:11,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:11,766 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 19:06:11,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349327690] [2021-01-06 19:06:11,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:11,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:06:11,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728564581] [2021-01-06 19:06:11,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:06:11,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:11,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:06:11,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:06:11,770 INFO L87 Difference]: Start difference. First operand 364 states and 630 transitions. Second operand 5 states. [2021-01-06 19:06:12,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:12,012 INFO L93 Difference]: Finished difference Result 1036 states and 1806 transitions. [2021-01-06 19:06:12,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:06:12,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2021-01-06 19:06:12,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:12,018 INFO L225 Difference]: With dead ends: 1036 [2021-01-06 19:06:12,018 INFO L226 Difference]: Without dead ends: 699 [2021-01-06 19:06:12,019 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 19:06:12,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-01-06 19:06:12,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 364. [2021-01-06 19:06:12,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2021-01-06 19:06:12,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 629 transitions. [2021-01-06 19:06:12,046 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 629 transitions. Word has length 47 [2021-01-06 19:06:12,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:12,046 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 629 transitions. [2021-01-06 19:06:12,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:06:12,046 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 629 transitions. [2021-01-06 19:06:12,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 19:06:12,048 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:12,048 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] [2021-01-06 19:06:12,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:06:12,049 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:12,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:12,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1995610556, now seen corresponding path program 1 times [2021-01-06 19:06:12,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:12,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482376655] [2021-01-06 19:06:12,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:12,117 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 19:06:12,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482376655] [2021-01-06 19:06:12,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:12,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:12,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234371431] [2021-01-06 19:06:12,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:12,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:12,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:12,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:12,120 INFO L87 Difference]: Start difference. First operand 364 states and 629 transitions. Second operand 3 states. [2021-01-06 19:06:12,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:12,153 INFO L93 Difference]: Finished difference Result 490 states and 834 transitions. [2021-01-06 19:06:12,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:12,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-01-06 19:06:12,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:12,157 INFO L225 Difference]: With dead ends: 490 [2021-01-06 19:06:12,157 INFO L226 Difference]: Without dead ends: 367 [2021-01-06 19:06:12,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:12,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-01-06 19:06:12,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 366. [2021-01-06 19:06:12,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2021-01-06 19:06:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 631 transitions. [2021-01-06 19:06:12,180 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 631 transitions. Word has length 48 [2021-01-06 19:06:12,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:12,180 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 631 transitions. [2021-01-06 19:06:12,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 631 transitions. [2021-01-06 19:06:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 19:06:12,182 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:12,182 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:12,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:06:12,182 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:12,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:12,183 INFO L82 PathProgramCache]: Analyzing trace with hash -520481138, now seen corresponding path program 1 times [2021-01-06 19:06:12,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:12,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529156319] [2021-01-06 19:06:12,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:12,270 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 19:06:12,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529156319] [2021-01-06 19:06:12,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:12,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:12,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610488671] [2021-01-06 19:06:12,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:12,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:12,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:12,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:12,273 INFO L87 Difference]: Start difference. First operand 366 states and 631 transitions. Second operand 3 states. [2021-01-06 19:06:12,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:12,322 INFO L93 Difference]: Finished difference Result 984 states and 1717 transitions. [2021-01-06 19:06:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:12,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2021-01-06 19:06:12,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:12,328 INFO L225 Difference]: With dead ends: 984 [2021-01-06 19:06:12,328 INFO L226 Difference]: Without dead ends: 649 [2021-01-06 19:06:12,329 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 19:06:12,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2021-01-06 19:06:12,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 526. [2021-01-06 19:06:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2021-01-06 19:06:12,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 924 transitions. [2021-01-06 19:06:12,364 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 924 transitions. Word has length 56 [2021-01-06 19:06:12,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:12,365 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 924 transitions. [2021-01-06 19:06:12,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:12,365 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 924 transitions. [2021-01-06 19:06:12,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 19:06:12,366 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:12,366 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:12,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:06:12,367 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:12,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:12,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1664485263, now seen corresponding path program 1 times [2021-01-06 19:06:12,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:12,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817522514] [2021-01-06 19:06:12,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:12,459 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 19:06:12,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817522514] [2021-01-06 19:06:12,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:12,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:06:12,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251863230] [2021-01-06 19:06:12,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:06:12,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:12,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:06:12,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:06:12,462 INFO L87 Difference]: Start difference. First operand 526 states and 924 transitions. Second operand 5 states. [2021-01-06 19:06:12,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:12,782 INFO L93 Difference]: Finished difference Result 1508 states and 2678 transitions. [2021-01-06 19:06:12,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:06:12,783 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2021-01-06 19:06:12,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:12,790 INFO L225 Difference]: With dead ends: 1508 [2021-01-06 19:06:12,790 INFO L226 Difference]: Without dead ends: 1013 [2021-01-06 19:06:12,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:06:12,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2021-01-06 19:06:12,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 526. [2021-01-06 19:06:12,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2021-01-06 19:06:12,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 922 transitions. [2021-01-06 19:06:12,836 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 922 transitions. Word has length 57 [2021-01-06 19:06:12,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:12,836 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 922 transitions. [2021-01-06 19:06:12,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:06:12,837 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 922 transitions. [2021-01-06 19:06:12,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 19:06:12,838 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:12,838 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:12,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:06:12,838 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:12,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:12,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1582947944, now seen corresponding path program 1 times [2021-01-06 19:06:12,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:12,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193159343] [2021-01-06 19:06:12,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:12,922 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 19:06:12,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193159343] [2021-01-06 19:06:12,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:12,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:12,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171919186] [2021-01-06 19:06:12,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:12,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:12,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:12,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:12,924 INFO L87 Difference]: Start difference. First operand 526 states and 922 transitions. Second operand 3 states. [2021-01-06 19:06:13,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:13,051 INFO L93 Difference]: Finished difference Result 1506 states and 2670 transitions. [2021-01-06 19:06:13,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:13,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 19:06:13,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:13,059 INFO L225 Difference]: With dead ends: 1506 [2021-01-06 19:06:13,059 INFO L226 Difference]: Without dead ends: 1011 [2021-01-06 19:06:13,061 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 19:06:13,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2021-01-06 19:06:13,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 888. [2021-01-06 19:06:13,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2021-01-06 19:06:13,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1585 transitions. [2021-01-06 19:06:13,147 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1585 transitions. Word has length 58 [2021-01-06 19:06:13,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:13,147 INFO L481 AbstractCegarLoop]: Abstraction has 888 states and 1585 transitions. [2021-01-06 19:06:13,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1585 transitions. [2021-01-06 19:06:13,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 19:06:13,150 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:13,150 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:13,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:06:13,150 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:13,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:13,151 INFO L82 PathProgramCache]: Analyzing trace with hash -348864070, now seen corresponding path program 1 times [2021-01-06 19:06:13,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:13,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383386640] [2021-01-06 19:06:13,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:13,261 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 19:06:13,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383386640] [2021-01-06 19:06:13,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475733302] [2021-01-06 19:06:13,262 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 19:06:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:13,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:06:13,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:06:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 19:06:14,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 19:06:14,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 19:06:14,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932055484] [2021-01-06 19:06:14,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:14,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:14,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:14,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:06:14,113 INFO L87 Difference]: Start difference. First operand 888 states and 1585 transitions. Second operand 3 states. [2021-01-06 19:06:14,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:14,175 INFO L93 Difference]: Finished difference Result 969 states and 1716 transitions. [2021-01-06 19:06:14,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:14,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 19:06:14,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:14,183 INFO L225 Difference]: With dead ends: 969 [2021-01-06 19:06:14,183 INFO L226 Difference]: Without dead ends: 882 [2021-01-06 19:06:14,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:06:14,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2021-01-06 19:06:14,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 882. [2021-01-06 19:06:14,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2021-01-06 19:06:14,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1576 transitions. [2021-01-06 19:06:14,280 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1576 transitions. Word has length 58 [2021-01-06 19:06:14,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:14,282 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1576 transitions. [2021-01-06 19:06:14,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:14,282 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1576 transitions. [2021-01-06 19:06:14,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-01-06 19:06:14,291 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:14,291 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:06:14,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 19:06:14,507 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:14,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:14,508 INFO L82 PathProgramCache]: Analyzing trace with hash -726854746, now seen corresponding path program 1 times [2021-01-06 19:06:14,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:14,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147663506] [2021-01-06 19:06:14,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:14,616 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 19:06:14,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147663506] [2021-01-06 19:06:14,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343208539] [2021-01-06 19:06:14,621 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 19:06:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:15,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:06:15,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:06:15,537 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 19:06:15,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:06:15,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 19:06:15,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308880249] [2021-01-06 19:06:15,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:06:15,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:15,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:06:15,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:06:15,539 INFO L87 Difference]: Start difference. First operand 882 states and 1576 transitions. Second operand 5 states. [2021-01-06 19:06:15,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:15,687 INFO L93 Difference]: Finished difference Result 1335 states and 2356 transitions. [2021-01-06 19:06:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:06:15,688 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2021-01-06 19:06:15,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:15,695 INFO L225 Difference]: With dead ends: 1335 [2021-01-06 19:06:15,696 INFO L226 Difference]: Without dead ends: 1218 [2021-01-06 19:06:15,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 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 19:06:15,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2021-01-06 19:06:15,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1098. [2021-01-06 19:06:15,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1098 states. [2021-01-06 19:06:15,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1966 transitions. [2021-01-06 19:06:15,787 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1966 transitions. Word has length 89 [2021-01-06 19:06:15,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:15,787 INFO L481 AbstractCegarLoop]: Abstraction has 1098 states and 1966 transitions. [2021-01-06 19:06:15,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:06:15,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1966 transitions. [2021-01-06 19:06:15,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-01-06 19:06:15,791 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:15,791 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:16,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-06 19:06:16,005 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:16,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:16,006 INFO L82 PathProgramCache]: Analyzing trace with hash -47361245, now seen corresponding path program 1 times [2021-01-06 19:06:16,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:16,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963595378] [2021-01-06 19:06:16,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:16,089 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 19:06:16,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963595378] [2021-01-06 19:06:16,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:16,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:16,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972140764] [2021-01-06 19:06:16,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:16,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:16,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:16,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:16,091 INFO L87 Difference]: Start difference. First operand 1098 states and 1966 transitions. Second operand 3 states. [2021-01-06 19:06:16,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:16,221 INFO L93 Difference]: Finished difference Result 2928 states and 5272 transitions. [2021-01-06 19:06:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:16,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2021-01-06 19:06:16,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:16,234 INFO L225 Difference]: With dead ends: 2928 [2021-01-06 19:06:16,235 INFO L226 Difference]: Without dead ends: 1931 [2021-01-06 19:06:16,237 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 19:06:16,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1931 states. [2021-01-06 19:06:16,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1931 to 1814. [2021-01-06 19:06:16,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1814 states. [2021-01-06 19:06:16,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1814 states and 3271 transitions. [2021-01-06 19:06:16,364 INFO L78 Accepts]: Start accepts. Automaton has 1814 states and 3271 transitions. Word has length 93 [2021-01-06 19:06:16,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:16,364 INFO L481 AbstractCegarLoop]: Abstraction has 1814 states and 3271 transitions. [2021-01-06 19:06:16,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:16,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 3271 transitions. [2021-01-06 19:06:16,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-01-06 19:06:16,370 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:16,370 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:16,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:06:16,371 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:16,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:16,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1104645981, now seen corresponding path program 1 times [2021-01-06 19:06:16,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:16,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451444816] [2021-01-06 19:06:16,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:16,486 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 19:06:16,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451444816] [2021-01-06 19:06:16,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:16,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:16,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542903640] [2021-01-06 19:06:16,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:16,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:16,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:16,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:16,489 INFO L87 Difference]: Start difference. First operand 1814 states and 3271 transitions. Second operand 3 states. [2021-01-06 19:06:16,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:16,683 INFO L93 Difference]: Finished difference Result 4812 states and 8706 transitions. [2021-01-06 19:06:16,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:16,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2021-01-06 19:06:16,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:16,702 INFO L225 Difference]: With dead ends: 4812 [2021-01-06 19:06:16,702 INFO L226 Difference]: Without dead ends: 3133 [2021-01-06 19:06:16,708 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 19:06:16,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2021-01-06 19:06:16,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 3016. [2021-01-06 19:06:16,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3016 states. [2021-01-06 19:06:16,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 3016 states and 5456 transitions. [2021-01-06 19:06:16,957 INFO L78 Accepts]: Start accepts. Automaton has 3016 states and 5456 transitions. Word has length 94 [2021-01-06 19:06:16,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:16,957 INFO L481 AbstractCegarLoop]: Abstraction has 3016 states and 5456 transitions. [2021-01-06 19:06:16,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:16,957 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 5456 transitions. [2021-01-06 19:06:16,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-01-06 19:06:16,965 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:16,966 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:16,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 19:06:16,966 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:16,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:16,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1425530412, now seen corresponding path program 1 times [2021-01-06 19:06:16,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:16,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689505160] [2021-01-06 19:06:16,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:17,057 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 19:06:17,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689505160] [2021-01-06 19:06:17,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:17,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:17,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515339399] [2021-01-06 19:06:17,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:17,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:17,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:17,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:17,060 INFO L87 Difference]: Start difference. First operand 3016 states and 5456 transitions. Second operand 3 states. [2021-01-06 19:06:17,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:17,378 INFO L93 Difference]: Finished difference Result 8134 states and 14744 transitions. [2021-01-06 19:06:17,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:17,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2021-01-06 19:06:17,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:17,410 INFO L225 Difference]: With dead ends: 8134 [2021-01-06 19:06:17,410 INFO L226 Difference]: Without dead ends: 5287 [2021-01-06 19:06:17,418 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 19:06:17,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5287 states. [2021-01-06 19:06:17,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5287 to 5170. [2021-01-06 19:06:17,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5170 states. [2021-01-06 19:06:17,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 5170 states and 9361 transitions. [2021-01-06 19:06:17,776 INFO L78 Accepts]: Start accepts. Automaton has 5170 states and 9361 transitions. Word has length 95 [2021-01-06 19:06:17,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:17,777 INFO L481 AbstractCegarLoop]: Abstraction has 5170 states and 9361 transitions. [2021-01-06 19:06:17,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:17,777 INFO L276 IsEmpty]: Start isEmpty. Operand 5170 states and 9361 transitions. [2021-01-06 19:06:17,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-06 19:06:17,791 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:17,791 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:17,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 19:06:17,791 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:17,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:17,792 INFO L82 PathProgramCache]: Analyzing trace with hash -90485196, now seen corresponding path program 1 times [2021-01-06 19:06:17,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:17,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902240400] [2021-01-06 19:06:17,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:17,874 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 19:06:17,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902240400] [2021-01-06 19:06:17,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:17,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:17,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483704907] [2021-01-06 19:06:17,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:17,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:17,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:17,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:17,877 INFO L87 Difference]: Start difference. First operand 5170 states and 9361 transitions. Second operand 3 states. [2021-01-06 19:06:18,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:18,619 INFO L93 Difference]: Finished difference Result 15054 states and 27301 transitions. [2021-01-06 19:06:18,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:18,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2021-01-06 19:06:18,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:18,695 INFO L225 Difference]: With dead ends: 15054 [2021-01-06 19:06:18,695 INFO L226 Difference]: Without dead ends: 10057 [2021-01-06 19:06:18,707 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 19:06:18,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10057 states. [2021-01-06 19:06:19,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10057 to 9940. [2021-01-06 19:06:19,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9940 states. [2021-01-06 19:06:19,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9940 states to 9940 states and 18002 transitions. [2021-01-06 19:06:19,486 INFO L78 Accepts]: Start accepts. Automaton has 9940 states and 18002 transitions. Word has length 96 [2021-01-06 19:06:19,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:19,487 INFO L481 AbstractCegarLoop]: Abstraction has 9940 states and 18002 transitions. [2021-01-06 19:06:19,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:19,487 INFO L276 IsEmpty]: Start isEmpty. Operand 9940 states and 18002 transitions. [2021-01-06 19:06:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-01-06 19:06:19,510 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:19,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:19,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 19:06:19,511 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:19,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:19,511 INFO L82 PathProgramCache]: Analyzing trace with hash 95667267, now seen corresponding path program 1 times [2021-01-06 19:06:19,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:19,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411280529] [2021-01-06 19:06:19,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:19,607 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 19:06:19,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411280529] [2021-01-06 19:06:19,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:19,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:19,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820521471] [2021-01-06 19:06:19,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:19,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:19,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:19,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:19,610 INFO L87 Difference]: Start difference. First operand 9940 states and 18002 transitions. Second operand 3 states. [2021-01-06 19:06:20,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:20,748 INFO L93 Difference]: Finished difference Result 29066 states and 52699 transitions. [2021-01-06 19:06:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:20,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2021-01-06 19:06:20,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:20,807 INFO L225 Difference]: With dead ends: 29066 [2021-01-06 19:06:20,807 INFO L226 Difference]: Without dead ends: 19307 [2021-01-06 19:06:20,827 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 19:06:20,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19307 states. [2021-01-06 19:06:22,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19307 to 19190. [2021-01-06 19:06:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19190 states. [2021-01-06 19:06:22,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19190 states to 19190 states and 34739 transitions. [2021-01-06 19:06:22,234 INFO L78 Accepts]: Start accepts. Automaton has 19190 states and 34739 transitions. Word has length 97 [2021-01-06 19:06:22,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:22,234 INFO L481 AbstractCegarLoop]: Abstraction has 19190 states and 34739 transitions. [2021-01-06 19:06:22,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:22,234 INFO L276 IsEmpty]: Start isEmpty. Operand 19190 states and 34739 transitions. [2021-01-06 19:06:22,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-01-06 19:06:22,267 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:22,267 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:22,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 19:06:22,267 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:22,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:22,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1543094006, now seen corresponding path program 1 times [2021-01-06 19:06:22,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:22,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928441313] [2021-01-06 19:06:22,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:22,351 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 19:06:22,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928441313] [2021-01-06 19:06:22,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:22,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:22,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511431996] [2021-01-06 19:06:22,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:22,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:22,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:22,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:22,354 INFO L87 Difference]: Start difference. First operand 19190 states and 34739 transitions. Second operand 3 states. [2021-01-06 19:06:24,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:24,411 INFO L93 Difference]: Finished difference Result 57002 states and 103224 transitions. [2021-01-06 19:06:24,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:24,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2021-01-06 19:06:24,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:24,527 INFO L225 Difference]: With dead ends: 57002 [2021-01-06 19:06:24,528 INFO L226 Difference]: Without dead ends: 37997 [2021-01-06 19:06:24,566 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 19:06:24,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37997 states. [2021-01-06 19:06:26,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37997 to 37880. [2021-01-06 19:06:26,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37880 states. [2021-01-06 19:06:27,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37880 states to 37880 states and 68468 transitions. [2021-01-06 19:06:27,020 INFO L78 Accepts]: Start accepts. Automaton has 37880 states and 68468 transitions. Word has length 98 [2021-01-06 19:06:27,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:27,020 INFO L481 AbstractCegarLoop]: Abstraction has 37880 states and 68468 transitions. [2021-01-06 19:06:27,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:27,020 INFO L276 IsEmpty]: Start isEmpty. Operand 37880 states and 68468 transitions. [2021-01-06 19:06:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 19:06:27,071 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:27,072 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:27,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 19:06:27,072 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:27,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:27,073 INFO L82 PathProgramCache]: Analyzing trace with hash 287811018, now seen corresponding path program 1 times [2021-01-06 19:06:27,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:27,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200055124] [2021-01-06 19:06:27,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:27,167 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 19:06:27,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200055124] [2021-01-06 19:06:27,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:27,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:06:27,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620763660] [2021-01-06 19:06:27,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:06:27,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:27,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:06:27,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:06:27,170 INFO L87 Difference]: Start difference. First operand 37880 states and 68468 transitions. Second operand 5 states. [2021-01-06 19:06:30,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:30,224 INFO L93 Difference]: Finished difference Result 111343 states and 201217 transitions. [2021-01-06 19:06:30,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:06:30,225 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2021-01-06 19:06:30,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:30,502 INFO L225 Difference]: With dead ends: 111343 [2021-01-06 19:06:30,503 INFO L226 Difference]: Without dead ends: 73716 [2021-01-06 19:06:30,584 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 19:06:30,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73716 states. [2021-01-06 19:06:32,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73716 to 37880. [2021-01-06 19:06:32,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37880 states. [2021-01-06 19:06:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37880 states to 37880 states and 68210 transitions. [2021-01-06 19:06:32,885 INFO L78 Accepts]: Start accepts. Automaton has 37880 states and 68210 transitions. Word has length 99 [2021-01-06 19:06:32,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:32,885 INFO L481 AbstractCegarLoop]: Abstraction has 37880 states and 68210 transitions. [2021-01-06 19:06:32,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:06:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 37880 states and 68210 transitions. [2021-01-06 19:06:32,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 19:06:32,918 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:32,919 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:06:32,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 19:06:32,919 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:32,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:32,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1412268392, now seen corresponding path program 2 times [2021-01-06 19:06:32,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:32,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941109848] [2021-01-06 19:06:32,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:32,991 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:06:32,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941109848] [2021-01-06 19:06:32,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:32,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:32,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402435303] [2021-01-06 19:06:32,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:32,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:32,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:32,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:32,994 INFO L87 Difference]: Start difference. First operand 37880 states and 68210 transitions. Second operand 3 states. [2021-01-06 19:06:34,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:34,675 INFO L93 Difference]: Finished difference Result 75618 states and 136178 transitions. [2021-01-06 19:06:34,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:34,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2021-01-06 19:06:34,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:34,771 INFO L225 Difference]: With dead ends: 75618 [2021-01-06 19:06:34,772 INFO L226 Difference]: Without dead ends: 37997 [2021-01-06 19:06:34,816 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 19:06:34,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37997 states. [2021-01-06 19:06:36,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37997 to 37880. [2021-01-06 19:06:36,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37880 states. [2021-01-06 19:06:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37880 states to 37880 states and 68082 transitions. [2021-01-06 19:06:36,713 INFO L78 Accepts]: Start accepts. Automaton has 37880 states and 68082 transitions. Word has length 99 [2021-01-06 19:06:36,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:36,713 INFO L481 AbstractCegarLoop]: Abstraction has 37880 states and 68082 transitions. [2021-01-06 19:06:36,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:36,714 INFO L276 IsEmpty]: Start isEmpty. Operand 37880 states and 68082 transitions. [2021-01-06 19:06:36,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 19:06:36,737 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:36,738 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:36,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 19:06:36,738 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:36,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:36,738 INFO L82 PathProgramCache]: Analyzing trace with hash 202704533, now seen corresponding path program 1 times [2021-01-06 19:06:36,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:36,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55136389] [2021-01-06 19:06:36,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:36,807 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 19:06:36,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55136389] [2021-01-06 19:06:36,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:36,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:06:36,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252478586] [2021-01-06 19:06:36,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:06:36,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:36,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:06:36,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:36,809 INFO L87 Difference]: Start difference. First operand 37880 states and 68082 transitions. Second operand 3 states. [2021-01-06 19:06:39,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:39,225 INFO L93 Difference]: Finished difference Result 105228 states and 188860 transitions. [2021-01-06 19:06:39,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:39,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2021-01-06 19:06:39,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:39,539 INFO L225 Difference]: With dead ends: 105228 [2021-01-06 19:06:39,539 INFO L226 Difference]: Without dead ends: 67567 [2021-01-06 19:06:39,603 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 19:06:39,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67567 states. [2021-01-06 19:06:42,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67567 to 67450. [2021-01-06 19:06:42,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67450 states. [2021-01-06 19:06:42,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67450 states to 67450 states and 120691 transitions. [2021-01-06 19:06:42,683 INFO L78 Accepts]: Start accepts. Automaton has 67450 states and 120691 transitions. Word has length 99 [2021-01-06 19:06:42,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:42,684 INFO L481 AbstractCegarLoop]: Abstraction has 67450 states and 120691 transitions. [2021-01-06 19:06:42,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:06:42,684 INFO L276 IsEmpty]: Start isEmpty. Operand 67450 states and 120691 transitions. [2021-01-06 19:06:42,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-01-06 19:06:42,707 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:42,708 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:06:42,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 19:06:42,708 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:42,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:42,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1055661358, now seen corresponding path program 1 times [2021-01-06 19:06:42,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:42,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315346825] [2021-01-06 19:06:42,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:43,019 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 19:06:43,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315346825] [2021-01-06 19:06:43,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:43,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:06:43,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891263821] [2021-01-06 19:06:43,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:06:43,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:43,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:06:43,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:06:43,021 INFO L87 Difference]: Start difference. First operand 67450 states and 120691 transitions. Second operand 9 states. [2021-01-06 19:06:44,835 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2021-01-06 19:06:48,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:48,925 INFO L93 Difference]: Finished difference Result 135280 states and 241971 transitions. [2021-01-06 19:06:48,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 19:06:48,928 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 100 [2021-01-06 19:06:48,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:49,216 INFO L225 Difference]: With dead ends: 135280 [2021-01-06 19:06:49,217 INFO L226 Difference]: Without dead ends: 135183 [2021-01-06 19:06:49,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2021-01-06 19:06:49,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135183 states. [2021-01-06 19:06:54,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135183 to 134697. [2021-01-06 19:06:54,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134697 states. [2021-01-06 19:06:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134697 states to 134697 states and 241048 transitions. [2021-01-06 19:06:55,473 INFO L78 Accepts]: Start accepts. Automaton has 134697 states and 241048 transitions. Word has length 100 [2021-01-06 19:06:55,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:06:55,474 INFO L481 AbstractCegarLoop]: Abstraction has 134697 states and 241048 transitions. [2021-01-06 19:06:55,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:06:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 134697 states and 241048 transitions. [2021-01-06 19:06:55,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-01-06 19:06:55,542 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:06:55,542 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:06:55,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 19:06:55,543 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:06:55,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:06:55,543 INFO L82 PathProgramCache]: Analyzing trace with hash -857070940, now seen corresponding path program 1 times [2021-01-06 19:06:55,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:06:55,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327748149] [2021-01-06 19:06:55,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:06:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:06:55,636 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 19:06:55,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327748149] [2021-01-06 19:06:55,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:06:55,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:06:55,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83229650] [2021-01-06 19:06:55,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:06:55,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:06:55,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:06:55,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:06:55,639 INFO L87 Difference]: Start difference. First operand 134697 states and 241048 transitions. Second operand 4 states. [2021-01-06 19:07:00,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:07:00,340 INFO L93 Difference]: Finished difference Result 134857 states and 241303 transitions. [2021-01-06 19:07:00,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:07:00,340 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2021-01-06 19:07:00,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:07:00,620 INFO L225 Difference]: With dead ends: 134857 [2021-01-06 19:07:00,620 INFO L226 Difference]: Without dead ends: 134745 [2021-01-06 19:07:00,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:07:00,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134745 states. [2021-01-06 19:07:06,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134745 to 134696. [2021-01-06 19:07:06,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134696 states. [2021-01-06 19:07:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134696 states to 134696 states and 241044 transitions. [2021-01-06 19:07:06,654 INFO L78 Accepts]: Start accepts. Automaton has 134696 states and 241044 transitions. Word has length 101 [2021-01-06 19:07:06,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:07:06,655 INFO L481 AbstractCegarLoop]: Abstraction has 134696 states and 241044 transitions. [2021-01-06 19:07:06,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:07:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 134696 states and 241044 transitions. [2021-01-06 19:07:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 19:07:06,708 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:07:06,709 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:06,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 19:07:06,709 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:07:06,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:07:06,710 INFO L82 PathProgramCache]: Analyzing trace with hash 668528327, now seen corresponding path program 1 times [2021-01-06 19:07:06,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:07:06,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542029823] [2021-01-06 19:07:06,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:07:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:07:06,818 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 19:07:06,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542029823] [2021-01-06 19:07:06,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:07:06,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:07:06,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360522200] [2021-01-06 19:07:06,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:07:06,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:07:06,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:07:06,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:07:06,820 INFO L87 Difference]: Start difference. First operand 134696 states and 241044 transitions. Second operand 6 states. [2021-01-06 19:07:11,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:07:11,570 INFO L93 Difference]: Finished difference Result 134882 states and 241341 transitions. [2021-01-06 19:07:11,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:07:11,571 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2021-01-06 19:07:11,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:07:11,833 INFO L225 Difference]: With dead ends: 134882 [2021-01-06 19:07:11,833 INFO L226 Difference]: Without dead ends: 134706 [2021-01-06 19:07:11,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:07:11,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134706 states. [2021-01-06 19:07:17,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134706 to 134684. [2021-01-06 19:07:17,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134684 states. [2021-01-06 19:07:18,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134684 states to 134684 states and 241017 transitions. [2021-01-06 19:07:18,039 INFO L78 Accepts]: Start accepts. Automaton has 134684 states and 241017 transitions. Word has length 102 [2021-01-06 19:07:18,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:07:18,039 INFO L481 AbstractCegarLoop]: Abstraction has 134684 states and 241017 transitions. [2021-01-06 19:07:18,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:07:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand 134684 states and 241017 transitions. [2021-01-06 19:07:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 19:07:18,091 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:07:18,092 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:18,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 19:07:18,092 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:07:18,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:07:18,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1563165307, now seen corresponding path program 1 times [2021-01-06 19:07:18,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:07:18,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596490757] [2021-01-06 19:07:18,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:07:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:07:18,237 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 19:07:18,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596490757] [2021-01-06 19:07:18,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:07:18,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:07:18,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063444158] [2021-01-06 19:07:18,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:07:18,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:07:18,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:07:18,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:07:18,239 INFO L87 Difference]: Start difference. First operand 134684 states and 241017 transitions. Second operand 9 states. [2021-01-06 19:07:28,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:07:28,635 INFO L93 Difference]: Finished difference Result 270046 states and 483058 transitions. [2021-01-06 19:07:28,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-01-06 19:07:28,635 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2021-01-06 19:07:28,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:07:29,408 INFO L225 Difference]: With dead ends: 270046 [2021-01-06 19:07:29,408 INFO L226 Difference]: Without dead ends: 269882 [2021-01-06 19:07:29,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=169, Invalid=337, Unknown=0, NotChecked=0, Total=506 [2021-01-06 19:07:29,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269882 states. [2021-01-06 19:07:40,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269882 to 269083. [2021-01-06 19:07:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269083 states. [2021-01-06 19:07:42,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269083 states to 269083 states and 481557 transitions. [2021-01-06 19:07:42,047 INFO L78 Accepts]: Start accepts. Automaton has 269083 states and 481557 transitions. Word has length 102 [2021-01-06 19:07:42,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:07:42,048 INFO L481 AbstractCegarLoop]: Abstraction has 269083 states and 481557 transitions. [2021-01-06 19:07:42,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:07:42,048 INFO L276 IsEmpty]: Start isEmpty. Operand 269083 states and 481557 transitions. [2021-01-06 19:07:42,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 19:07:42,151 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:07:42,152 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:42,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 19:07:42,152 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:07:42,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:07:42,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1838315651, now seen corresponding path program 1 times [2021-01-06 19:07:42,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:07:42,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424763263] [2021-01-06 19:07:42,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:07:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:07:42,343 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 19:07:42,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424763263] [2021-01-06 19:07:42,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:07:42,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 19:07:42,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104540251] [2021-01-06 19:07:42,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 19:07:42,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:07:42,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 19:07:42,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:07:42,345 INFO L87 Difference]: Start difference. First operand 269083 states and 481557 transitions. Second operand 10 states. [2021-01-06 19:07:53,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:07:53,268 INFO L93 Difference]: Finished difference Result 270381 states and 483595 transitions. [2021-01-06 19:07:53,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-01-06 19:07:53,269 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 102 [2021-01-06 19:07:53,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:07:54,039 INFO L225 Difference]: With dead ends: 270381 [2021-01-06 19:07:54,040 INFO L226 Difference]: Without dead ends: 270190 [2021-01-06 19:07:54,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2021-01-06 19:07:54,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270190 states. [2021-01-06 19:08:08,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270190 to 269107. [2021-01-06 19:08:08,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269107 states. [2021-01-06 19:08:09,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269107 states to 269107 states and 481589 transitions. [2021-01-06 19:08:09,354 INFO L78 Accepts]: Start accepts. Automaton has 269107 states and 481589 transitions. Word has length 102 [2021-01-06 19:08:09,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:09,384 INFO L481 AbstractCegarLoop]: Abstraction has 269107 states and 481589 transitions. [2021-01-06 19:08:09,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 19:08:09,390 INFO L276 IsEmpty]: Start isEmpty. Operand 269107 states and 481589 transitions. [2021-01-06 19:08:09,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-06 19:08:09,492 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:09,494 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:09,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 19:08:09,494 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:08:09,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:09,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1876767565, now seen corresponding path program 1 times [2021-01-06 19:08:09,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:09,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864031404] [2021-01-06 19:08:09,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:09,625 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 19:08:09,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864031404] [2021-01-06 19:08:09,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:09,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:08:09,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968926543] [2021-01-06 19:08:09,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 19:08:09,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:09,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 19:08:09,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:08:09,628 INFO L87 Difference]: Start difference. First operand 269107 states and 481589 transitions. Second operand 8 states. [2021-01-06 19:08:19,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:19,473 INFO L93 Difference]: Finished difference Result 269439 states and 482117 transitions. [2021-01-06 19:08:19,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-06 19:08:19,473 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2021-01-06 19:08:19,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:20,070 INFO L225 Difference]: With dead ends: 269439 [2021-01-06 19:08:20,071 INFO L226 Difference]: Without dead ends: 269096 [2021-01-06 19:08:20,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-01-06 19:08:20,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269096 states. [2021-01-06 19:08:31,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269096 to 269064. [2021-01-06 19:08:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269064 states. [2021-01-06 19:08:33,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269064 states to 269064 states and 481513 transitions. [2021-01-06 19:08:33,108 INFO L78 Accepts]: Start accepts. Automaton has 269064 states and 481513 transitions. Word has length 103 [2021-01-06 19:08:33,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:33,109 INFO L481 AbstractCegarLoop]: Abstraction has 269064 states and 481513 transitions. [2021-01-06 19:08:33,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 19:08:33,109 INFO L276 IsEmpty]: Start isEmpty. Operand 269064 states and 481513 transitions. [2021-01-06 19:08:33,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-06 19:08:33,221 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:33,221 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:33,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 19:08:33,222 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:08:33,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:33,222 INFO L82 PathProgramCache]: Analyzing trace with hash -481819011, now seen corresponding path program 1 times [2021-01-06 19:08:33,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:33,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430290769] [2021-01-06 19:08:33,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:33,429 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 19:08:33,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430290769] [2021-01-06 19:08:33,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:33,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 19:08:33,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916631631] [2021-01-06 19:08:33,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 19:08:33,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:33,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 19:08:33,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:08:33,431 INFO L87 Difference]: Start difference. First operand 269064 states and 481513 transitions. Second operand 11 states. [2021-01-06 19:08:43,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:08:43,659 INFO L93 Difference]: Finished difference Result 269366 states and 481975 transitions. [2021-01-06 19:08:43,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-06 19:08:43,659 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 103 [2021-01-06 19:08:43,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:08:44,296 INFO L225 Difference]: With dead ends: 269366 [2021-01-06 19:08:44,296 INFO L226 Difference]: Without dead ends: 269267 [2021-01-06 19:08:44,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2021-01-06 19:08:44,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269267 states. [2021-01-06 19:08:58,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269267 to 269064. [2021-01-06 19:08:58,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269064 states. [2021-01-06 19:08:59,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269064 states to 269064 states and 481509 transitions. [2021-01-06 19:08:59,530 INFO L78 Accepts]: Start accepts. Automaton has 269064 states and 481509 transitions. Word has length 103 [2021-01-06 19:08:59,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:08:59,544 INFO L481 AbstractCegarLoop]: Abstraction has 269064 states and 481509 transitions. [2021-01-06 19:08:59,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 19:08:59,544 INFO L276 IsEmpty]: Start isEmpty. Operand 269064 states and 481509 transitions. [2021-01-06 19:08:59,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-01-06 19:08:59,692 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:08:59,693 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:59,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 19:08:59,694 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:08:59,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:08:59,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1276829825, now seen corresponding path program 1 times [2021-01-06 19:08:59,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:08:59,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551863700] [2021-01-06 19:08:59,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:08:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:08:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 19:08:59,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551863700] [2021-01-06 19:08:59,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:08:59,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:08:59,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130805530] [2021-01-06 19:08:59,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:08:59,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:08:59,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:08:59,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:08:59,842 INFO L87 Difference]: Start difference. First operand 269064 states and 481509 transitions. Second operand 6 states. [2021-01-06 19:09:16,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:09:16,127 INFO L93 Difference]: Finished difference Result 402527 states and 719852 transitions. [2021-01-06 19:09:16,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:09:16,128 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2021-01-06 19:09:16,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:09:17,094 INFO L225 Difference]: With dead ends: 402527 [2021-01-06 19:09:17,094 INFO L226 Difference]: Without dead ends: 402460 [2021-01-06 19:09:17,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:09:17,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402460 states.