/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_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:12:28,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:12:28,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:12:28,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:12:28,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:12:28,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:12:28,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:12:28,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:12:28,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:12:28,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:12:28,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:12:28,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:12:28,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:12:28,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:12:28,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:12:28,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:12:28,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:12:28,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:12:28,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:12:28,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:12:28,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:12:28,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:12:28,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:12:28,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:12:28,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:12:28,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:12:28,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:12:28,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:12:28,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:12:28,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:12:28,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:12:28,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:12:28,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:12:28,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:12:28,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:12:28,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:12:28,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:12:28,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:12:28,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:12:28,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:12:28,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:12:28,559 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:12:28,603 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:12:28,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:12:28,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:12:28,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:12:28,610 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:12:28,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:12:28,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:12:28,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:12:28,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:12:28,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:12:28,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:12:28,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:12:28,612 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:12:28,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:12:28,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:12:28,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:12:28,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:12:28,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:12:28,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:12:28,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:12:28,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:12:28,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:12:28,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:12:28,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:12:28,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:12:28,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:12:29,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:12:29,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:12:29,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:12:29,072 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:12:29,073 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:12:29,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product14.cil.c [2020-12-23 09:12:29,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d56d455cf/9dfff89208324c968677adf6f13215b0/FLAGebf246bd4 [2020-12-23 09:12:29,881 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:12:29,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product14.cil.c [2020-12-23 09:12:29,913 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d56d455cf/9dfff89208324c968677adf6f13215b0/FLAGebf246bd4 [2020-12-23 09:12:30,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d56d455cf/9dfff89208324c968677adf6f13215b0 [2020-12-23 09:12:30,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:12:30,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:12:30,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:12:30,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:12:30,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:12:30,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:12:30" (1/1) ... [2020-12-23 09:12:30,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e31bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:12:30, skipping insertion in model container [2020-12-23 09:12:30,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:12:30" (1/1) ... [2020-12-23 09:12:30,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:12:30,181 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] [2020-12-23 09:12:30,535 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_product14.cil.c[7821,7834] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] 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[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~13,] 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~14,] 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~9,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~3,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~18,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~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[~__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~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_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~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_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~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_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~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_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~19,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~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[~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[~__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~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_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~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_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__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~41,] 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[~__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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__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~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] 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] [2020-12-23 09:12:30,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:12:30,938 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] [2020-12-23 09:12:30,999 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_product14.cil.c[7821,7834] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] 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[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~13,] 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~14,] 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~9,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~3,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~18,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~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[~__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~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_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~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_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~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_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~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_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~19,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~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[~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[~__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~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_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~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_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__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~41,] 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[~__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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__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~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] 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] [2020-12-23 09:12:31,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:12:31,174 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:12:31,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:12:31 WrapperNode [2020-12-23 09:12:31,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:12:31,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:12:31,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:12:31,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:12:31,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:12:31" (1/1) ... [2020-12-23 09:12:31,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:12:31" (1/1) ... [2020-12-23 09:12:31,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:12:31,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:12:31,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:12:31,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:12:31,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:12:31" (1/1) ... [2020-12-23 09:12:31,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:12:31" (1/1) ... [2020-12-23 09:12:31,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:12:31" (1/1) ... [2020-12-23 09:12:31,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:12:31" (1/1) ... [2020-12-23 09:12:31,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:12:31" (1/1) ... [2020-12-23 09:12:31,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:12:31" (1/1) ... [2020-12-23 09:12:31,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:12:31" (1/1) ... [2020-12-23 09:12:31,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:12:31,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:12:31,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:12:31,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:12:31,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:12:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:12:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 09:12:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:12:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:12:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:12:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:12:34,436 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:12:34,436 INFO L299 CfgBuilder]: Removed 465 assume(true) statements. [2020-12-23 09:12:34,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:12:34 BoogieIcfgContainer [2020-12-23 09:12:34,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:12:34,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:12:34,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:12:34,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:12:34,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:12:30" (1/3) ... [2020-12-23 09:12:34,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b69d2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:12:34, skipping insertion in model container [2020-12-23 09:12:34,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:12:31" (2/3) ... [2020-12-23 09:12:34,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b69d2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:12:34, skipping insertion in model container [2020-12-23 09:12:34,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:12:34" (3/3) ... [2020-12-23 09:12:34,449 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product14.cil.c [2020-12-23 09:12:34,455 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:12:34,461 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 09:12:34,480 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 09:12:34,516 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:12:34,516 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:12:34,516 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:12:34,517 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:12:34,517 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:12:34,517 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:12:34,517 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:12:34,517 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:12:34,548 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states. [2020-12-23 09:12:34,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 09:12:34,565 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:34,566 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] [2020-12-23 09:12:34,566 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:34,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:34,573 INFO L82 PathProgramCache]: Analyzing trace with hash 70871394, now seen corresponding path program 1 times [2020-12-23 09:12:34,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:34,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998241178] [2020-12-23 09:12:34,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:35,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:35,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998241178] [2020-12-23 09:12:35,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:35,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:12:35,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440071991] [2020-12-23 09:12:35,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:12:35,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:35,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:12:35,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:35,060 INFO L87 Difference]: Start difference. First operand 766 states. Second operand 3 states. [2020-12-23 09:12:35,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:35,311 INFO L93 Difference]: Finished difference Result 2263 states and 3971 transitions. [2020-12-23 09:12:35,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:12:35,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-12-23 09:12:35,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:35,341 INFO L225 Difference]: With dead ends: 2263 [2020-12-23 09:12:35,341 INFO L226 Difference]: Without dead ends: 1384 [2020-12-23 09:12:35,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:35,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1384 states. [2020-12-23 09:12:35,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1384 to 701. [2020-12-23 09:12:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-12-23 09:12:35,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1222 transitions. [2020-12-23 09:12:35,460 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1222 transitions. Word has length 44 [2020-12-23 09:12:35,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:35,461 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1222 transitions. [2020-12-23 09:12:35,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:12:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1222 transitions. [2020-12-23 09:12:35,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-23 09:12:35,466 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:35,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:12:35,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:12:35,467 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:35,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:35,468 INFO L82 PathProgramCache]: Analyzing trace with hash 485384885, now seen corresponding path program 1 times [2020-12-23 09:12:35,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:35,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733123249] [2020-12-23 09:12:35,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:35,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:35,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733123249] [2020-12-23 09:12:35,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:35,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:12:35,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749384084] [2020-12-23 09:12:35,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:12:35,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:35,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:12:35,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:12:35,697 INFO L87 Difference]: Start difference. First operand 701 states and 1222 transitions. Second operand 5 states. [2020-12-23 09:12:36,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:36,010 INFO L93 Difference]: Finished difference Result 2052 states and 3582 transitions. [2020-12-23 09:12:36,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:12:36,011 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2020-12-23 09:12:36,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:36,023 INFO L225 Difference]: With dead ends: 2052 [2020-12-23 09:12:36,023 INFO L226 Difference]: Without dead ends: 1370 [2020-12-23 09:12:36,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:12:36,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2020-12-23 09:12:36,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 701. [2020-12-23 09:12:36,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-12-23 09:12:36,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1221 transitions. [2020-12-23 09:12:36,094 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1221 transitions. Word has length 46 [2020-12-23 09:12:36,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:36,095 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1221 transitions. [2020-12-23 09:12:36,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:12:36,095 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1221 transitions. [2020-12-23 09:12:36,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 09:12:36,103 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:36,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:12:36,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:12:36,104 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:36,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:36,107 INFO L82 PathProgramCache]: Analyzing trace with hash 594509634, now seen corresponding path program 1 times [2020-12-23 09:12:36,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:36,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110846033] [2020-12-23 09:12:36,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:36,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:36,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110846033] [2020-12-23 09:12:36,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:36,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:12:36,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719720410] [2020-12-23 09:12:36,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:12:36,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:36,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:12:36,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:36,284 INFO L87 Difference]: Start difference. First operand 701 states and 1221 transitions. Second operand 3 states. [2020-12-23 09:12:36,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:36,347 INFO L93 Difference]: Finished difference Result 1384 states and 2416 transitions. [2020-12-23 09:12:36,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:12:36,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-12-23 09:12:36,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:36,352 INFO L225 Difference]: With dead ends: 1384 [2020-12-23 09:12:36,352 INFO L226 Difference]: Without dead ends: 706 [2020-12-23 09:12:36,354 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:36,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2020-12-23 09:12:36,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 701. [2020-12-23 09:12:36,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-12-23 09:12:36,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1220 transitions. [2020-12-23 09:12:36,402 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1220 transitions. Word has length 47 [2020-12-23 09:12:36,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:36,409 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1220 transitions. [2020-12-23 09:12:36,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:12:36,409 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1220 transitions. [2020-12-23 09:12:36,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 09:12:36,411 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:36,411 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:12:36,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:12:36,412 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:36,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:36,412 INFO L82 PathProgramCache]: Analyzing trace with hash -572142200, now seen corresponding path program 1 times [2020-12-23 09:12:36,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:36,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693065023] [2020-12-23 09:12:36,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:36,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:36,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693065023] [2020-12-23 09:12:36,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:36,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:12:36,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838599360] [2020-12-23 09:12:36,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:12:36,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:36,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:12:36,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:36,521 INFO L87 Difference]: Start difference. First operand 701 states and 1220 transitions. Second operand 3 states. [2020-12-23 09:12:36,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:36,614 INFO L93 Difference]: Finished difference Result 1394 states and 2429 transitions. [2020-12-23 09:12:36,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:12:36,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 09:12:36,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:36,619 INFO L225 Difference]: With dead ends: 1394 [2020-12-23 09:12:36,619 INFO L226 Difference]: Without dead ends: 701 [2020-12-23 09:12:36,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:36,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2020-12-23 09:12:36,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 701. [2020-12-23 09:12:36,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-12-23 09:12:36,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1218 transitions. [2020-12-23 09:12:36,653 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1218 transitions. Word has length 48 [2020-12-23 09:12:36,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:36,653 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1218 transitions. [2020-12-23 09:12:36,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:12:36,654 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1218 transitions. [2020-12-23 09:12:36,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 09:12:36,656 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:36,656 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:12:36,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:12:36,656 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:36,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:36,657 INFO L82 PathProgramCache]: Analyzing trace with hash 455771997, now seen corresponding path program 1 times [2020-12-23 09:12:36,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:36,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570405568] [2020-12-23 09:12:36,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:36,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:36,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570405568] [2020-12-23 09:12:36,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:36,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:12:36,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167046654] [2020-12-23 09:12:36,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:12:36,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:36,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:12:36,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:12:36,753 INFO L87 Difference]: Start difference. First operand 701 states and 1218 transitions. Second operand 5 states. [2020-12-23 09:12:36,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:36,948 INFO L93 Difference]: Finished difference Result 2042 states and 3562 transitions. [2020-12-23 09:12:36,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:12:36,948 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-12-23 09:12:36,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:36,958 INFO L225 Difference]: With dead ends: 2042 [2020-12-23 09:12:36,958 INFO L226 Difference]: Without dead ends: 1368 [2020-12-23 09:12:36,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:12:36,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2020-12-23 09:12:36,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 701. [2020-12-23 09:12:36,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-12-23 09:12:37,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1217 transitions. [2020-12-23 09:12:37,001 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1217 transitions. Word has length 49 [2020-12-23 09:12:37,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:37,002 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1217 transitions. [2020-12-23 09:12:37,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:12:37,002 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1217 transitions. [2020-12-23 09:12:37,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 09:12:37,004 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:37,004 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:12:37,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:12:37,005 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:37,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:37,005 INFO L82 PathProgramCache]: Analyzing trace with hash 668619456, now seen corresponding path program 1 times [2020-12-23 09:12:37,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:37,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272708661] [2020-12-23 09:12:37,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:37,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:37,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272708661] [2020-12-23 09:12:37,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:37,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:12:37,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233570379] [2020-12-23 09:12:37,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:12:37,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:37,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:12:37,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:12:37,126 INFO L87 Difference]: Start difference. First operand 701 states and 1217 transitions. Second operand 5 states. [2020-12-23 09:12:37,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:37,330 INFO L93 Difference]: Finished difference Result 2047 states and 3567 transitions. [2020-12-23 09:12:37,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:12:37,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 09:12:37,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:37,338 INFO L225 Difference]: With dead ends: 2047 [2020-12-23 09:12:37,338 INFO L226 Difference]: Without dead ends: 1373 [2020-12-23 09:12:37,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:12:37,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2020-12-23 09:12:37,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 701. [2020-12-23 09:12:37,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-12-23 09:12:37,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1216 transitions. [2020-12-23 09:12:37,389 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1216 transitions. Word has length 50 [2020-12-23 09:12:37,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:37,389 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1216 transitions. [2020-12-23 09:12:37,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:12:37,389 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1216 transitions. [2020-12-23 09:12:37,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 09:12:37,391 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:37,391 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:12:37,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:12:37,392 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:37,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:37,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1266463272, now seen corresponding path program 1 times [2020-12-23 09:12:37,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:37,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259712790] [2020-12-23 09:12:37,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:37,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:37,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259712790] [2020-12-23 09:12:37,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:37,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:12:37,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698036901] [2020-12-23 09:12:37,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:12:37,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:37,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:12:37,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:37,473 INFO L87 Difference]: Start difference. First operand 701 states and 1216 transitions. Second operand 3 states. [2020-12-23 09:12:37,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:37,557 INFO L93 Difference]: Finished difference Result 1125 states and 1933 transitions. [2020-12-23 09:12:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:12:37,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 09:12:37,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:37,562 INFO L225 Difference]: With dead ends: 1125 [2020-12-23 09:12:37,562 INFO L226 Difference]: Without dead ends: 704 [2020-12-23 09:12:37,566 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 [2020-12-23 09:12:37,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2020-12-23 09:12:37,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 703. [2020-12-23 09:12:37,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2020-12-23 09:12:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1218 transitions. [2020-12-23 09:12:37,605 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1218 transitions. Word has length 51 [2020-12-23 09:12:37,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:37,605 INFO L481 AbstractCegarLoop]: Abstraction has 703 states and 1218 transitions. [2020-12-23 09:12:37,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:12:37,605 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1218 transitions. [2020-12-23 09:12:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 09:12:37,607 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:37,607 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] [2020-12-23 09:12:37,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:12:37,607 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:37,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:37,608 INFO L82 PathProgramCache]: Analyzing trace with hash 685043670, now seen corresponding path program 1 times [2020-12-23 09:12:37,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:37,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330485881] [2020-12-23 09:12:37,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:37,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:37,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330485881] [2020-12-23 09:12:37,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:37,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:12:37,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534151352] [2020-12-23 09:12:37,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:12:37,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:37,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:12:37,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:37,713 INFO L87 Difference]: Start difference. First operand 703 states and 1218 transitions. Second operand 3 states. [2020-12-23 09:12:37,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:37,803 INFO L93 Difference]: Finished difference Result 1995 states and 3478 transitions. [2020-12-23 09:12:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:12:37,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-12-23 09:12:37,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:37,814 INFO L225 Difference]: With dead ends: 1995 [2020-12-23 09:12:37,814 INFO L226 Difference]: Without dead ends: 1323 [2020-12-23 09:12:37,816 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 [2020-12-23 09:12:37,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2020-12-23 09:12:37,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 902. [2020-12-23 09:12:37,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2020-12-23 09:12:37,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1586 transitions. [2020-12-23 09:12:37,874 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1586 transitions. Word has length 57 [2020-12-23 09:12:37,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:37,874 INFO L481 AbstractCegarLoop]: Abstraction has 902 states and 1586 transitions. [2020-12-23 09:12:37,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:12:37,874 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1586 transitions. [2020-12-23 09:12:37,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 09:12:37,876 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:37,876 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] [2020-12-23 09:12:37,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:12:37,876 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:37,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:37,877 INFO L82 PathProgramCache]: Analyzing trace with hash -300474635, now seen corresponding path program 1 times [2020-12-23 09:12:37,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:37,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065376815] [2020-12-23 09:12:37,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:37,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:37,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065376815] [2020-12-23 09:12:37,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600232941] [2020-12-23 09:12:37,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:12:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:38,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:12:38,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:12:38,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:12:38,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 09:12:38,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 09:12:38,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788190587] [2020-12-23 09:12:38,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:12:38,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:38,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:12:38,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:12:38,393 INFO L87 Difference]: Start difference. First operand 902 states and 1586 transitions. Second operand 3 states. [2020-12-23 09:12:38,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:38,499 INFO L93 Difference]: Finished difference Result 1236 states and 2148 transitions. [2020-12-23 09:12:38,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:12:38,499 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-23 09:12:38,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:38,504 INFO L225 Difference]: With dead ends: 1236 [2020-12-23 09:12:38,505 INFO L226 Difference]: Without dead ends: 904 [2020-12-23 09:12:38,506 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 [2020-12-23 09:12:38,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-12-23 09:12:38,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 890. [2020-12-23 09:12:38,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2020-12-23 09:12:38,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1568 transitions. [2020-12-23 09:12:38,561 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1568 transitions. Word has length 58 [2020-12-23 09:12:38,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:38,561 INFO L481 AbstractCegarLoop]: Abstraction has 890 states and 1568 transitions. [2020-12-23 09:12:38,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:12:38,561 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1568 transitions. [2020-12-23 09:12:38,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 09:12:38,563 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:38,564 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] [2020-12-23 09:12:38,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 09:12:38,778 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:38,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:38,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1832305529, now seen corresponding path program 1 times [2020-12-23 09:12:38,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:38,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025953590] [2020-12-23 09:12:38,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:38,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025953590] [2020-12-23 09:12:38,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825510831] [2020-12-23 09:12:38,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:12:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:39,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:12:39,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:12:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:39,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:12:39,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 09:12:39,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573591930] [2020-12-23 09:12:39,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:12:39,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:39,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:12:39,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:12:39,373 INFO L87 Difference]: Start difference. First operand 890 states and 1568 transitions. Second operand 5 states. [2020-12-23 09:12:39,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:39,521 INFO L93 Difference]: Finished difference Result 1963 states and 3427 transitions. [2020-12-23 09:12:39,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:12:39,521 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2020-12-23 09:12:39,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:39,530 INFO L225 Difference]: With dead ends: 1963 [2020-12-23 09:12:39,531 INFO L226 Difference]: Without dead ends: 1554 [2020-12-23 09:12:39,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:12:39,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2020-12-23 09:12:39,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1143. [2020-12-23 09:12:39,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2020-12-23 09:12:39,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 2033 transitions. [2020-12-23 09:12:39,663 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 2033 transitions. Word has length 88 [2020-12-23 09:12:39,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:39,664 INFO L481 AbstractCegarLoop]: Abstraction has 1143 states and 2033 transitions. [2020-12-23 09:12:39,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:12:39,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 2033 transitions. [2020-12-23 09:12:39,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 09:12:39,673 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:39,673 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] [2020-12-23 09:12:39,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 09:12:39,887 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:39,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:39,889 INFO L82 PathProgramCache]: Analyzing trace with hash -2040181588, now seen corresponding path program 1 times [2020-12-23 09:12:39,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:39,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306861205] [2020-12-23 09:12:39,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:39,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306861205] [2020-12-23 09:12:39,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:39,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:12:39,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239036834] [2020-12-23 09:12:39,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:12:39,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:39,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:12:39,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:39,985 INFO L87 Difference]: Start difference. First operand 1143 states and 2033 transitions. Second operand 3 states. [2020-12-23 09:12:40,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:40,140 INFO L93 Difference]: Finished difference Result 3056 states and 5448 transitions. [2020-12-23 09:12:40,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:12:40,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-12-23 09:12:40,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:40,153 INFO L225 Difference]: With dead ends: 3056 [2020-12-23 09:12:40,153 INFO L226 Difference]: Without dead ends: 2002 [2020-12-23 09:12:40,156 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:40,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2020-12-23 09:12:40,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1593. [2020-12-23 09:12:40,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1593 states. [2020-12-23 09:12:40,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2861 transitions. [2020-12-23 09:12:40,284 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2861 transitions. Word has length 94 [2020-12-23 09:12:40,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:40,284 INFO L481 AbstractCegarLoop]: Abstraction has 1593 states and 2861 transitions. [2020-12-23 09:12:40,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:12:40,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2861 transitions. [2020-12-23 09:12:40,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 09:12:40,289 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:40,290 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:12:40,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:12:40,290 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:40,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:40,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1002262652, now seen corresponding path program 2 times [2020-12-23 09:12:40,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:40,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538654220] [2020-12-23 09:12:40,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:40,377 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:40,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538654220] [2020-12-23 09:12:40,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:40,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:12:40,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587026372] [2020-12-23 09:12:40,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:12:40,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:40,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:12:40,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:40,379 INFO L87 Difference]: Start difference. First operand 1593 states and 2861 transitions. Second operand 3 states. [2020-12-23 09:12:40,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:40,508 INFO L93 Difference]: Finished difference Result 3309 states and 5911 transitions. [2020-12-23 09:12:40,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:12:40,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-12-23 09:12:40,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:40,519 INFO L225 Difference]: With dead ends: 3309 [2020-12-23 09:12:40,520 INFO L226 Difference]: Without dead ends: 2002 [2020-12-23 09:12:40,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:40,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2020-12-23 09:12:40,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1593. [2020-12-23 09:12:40,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1593 states. [2020-12-23 09:12:40,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2859 transitions. [2020-12-23 09:12:40,625 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2859 transitions. Word has length 95 [2020-12-23 09:12:40,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:40,625 INFO L481 AbstractCegarLoop]: Abstraction has 1593 states and 2859 transitions. [2020-12-23 09:12:40,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:12:40,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2859 transitions. [2020-12-23 09:12:40,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 09:12:40,629 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:40,629 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] [2020-12-23 09:12:40,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:12:40,630 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:40,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:40,630 INFO L82 PathProgramCache]: Analyzing trace with hash 396601531, now seen corresponding path program 1 times [2020-12-23 09:12:40,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:40,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282893660] [2020-12-23 09:12:40,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:40,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:40,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282893660] [2020-12-23 09:12:40,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:40,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:12:40,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552142735] [2020-12-23 09:12:40,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:12:40,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:40,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:12:40,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:40,701 INFO L87 Difference]: Start difference. First operand 1593 states and 2859 transitions. Second operand 3 states. [2020-12-23 09:12:40,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:40,901 INFO L93 Difference]: Finished difference Result 4378 states and 7881 transitions. [2020-12-23 09:12:40,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:12:40,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-12-23 09:12:40,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:40,918 INFO L225 Difference]: With dead ends: 4378 [2020-12-23 09:12:40,918 INFO L226 Difference]: Without dead ends: 2882 [2020-12-23 09:12:40,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:40,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2020-12-23 09:12:41,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2473. [2020-12-23 09:12:41,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2473 states. [2020-12-23 09:12:41,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2473 states and 4478 transitions. [2020-12-23 09:12:41,089 INFO L78 Accepts]: Start accepts. Automaton has 2473 states and 4478 transitions. Word has length 95 [2020-12-23 09:12:41,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:41,089 INFO L481 AbstractCegarLoop]: Abstraction has 2473 states and 4478 transitions. [2020-12-23 09:12:41,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:12:41,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 4478 transitions. [2020-12-23 09:12:41,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 09:12:41,098 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:41,099 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:12:41,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:12:41,099 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:41,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:41,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1530508306, now seen corresponding path program 1 times [2020-12-23 09:12:41,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:41,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254686272] [2020-12-23 09:12:41,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:41,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254686272] [2020-12-23 09:12:41,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:41,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:12:41,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060409540] [2020-12-23 09:12:41,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:12:41,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:41,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:12:41,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:41,180 INFO L87 Difference]: Start difference. First operand 2473 states and 4478 transitions. Second operand 3 states. [2020-12-23 09:12:41,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:41,419 INFO L93 Difference]: Finished difference Result 6754 states and 12257 transitions. [2020-12-23 09:12:41,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:12:41,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-12-23 09:12:41,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:41,466 INFO L225 Difference]: With dead ends: 6754 [2020-12-23 09:12:41,467 INFO L226 Difference]: Without dead ends: 4412 [2020-12-23 09:12:41,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:41,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4412 states. [2020-12-23 09:12:41,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4412 to 4003. [2020-12-23 09:12:41,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4003 states. [2020-12-23 09:12:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4003 states to 4003 states and 7291 transitions. [2020-12-23 09:12:41,773 INFO L78 Accepts]: Start accepts. Automaton has 4003 states and 7291 transitions. Word has length 96 [2020-12-23 09:12:41,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:41,773 INFO L481 AbstractCegarLoop]: Abstraction has 4003 states and 7291 transitions. [2020-12-23 09:12:41,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:12:41,774 INFO L276 IsEmpty]: Start isEmpty. Operand 4003 states and 7291 transitions. [2020-12-23 09:12:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 09:12:41,783 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:41,784 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] [2020-12-23 09:12:41,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:12:41,784 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:41,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:41,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1994242676, now seen corresponding path program 1 times [2020-12-23 09:12:41,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:41,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121117216] [2020-12-23 09:12:41,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:41,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121117216] [2020-12-23 09:12:41,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:41,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:12:41,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103579983] [2020-12-23 09:12:41,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:12:41,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:41,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:12:41,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:41,872 INFO L87 Difference]: Start difference. First operand 4003 states and 7291 transitions. Second operand 3 states. [2020-12-23 09:12:42,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:42,224 INFO L93 Difference]: Finished difference Result 11060 states and 20179 transitions. [2020-12-23 09:12:42,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:12:42,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-12-23 09:12:42,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:42,247 INFO L225 Difference]: With dead ends: 11060 [2020-12-23 09:12:42,247 INFO L226 Difference]: Without dead ends: 7222 [2020-12-23 09:12:42,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:42,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7222 states. [2020-12-23 09:12:42,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7222 to 6813. [2020-12-23 09:12:42,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6813 states. [2020-12-23 09:12:42,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6813 states to 6813 states and 12452 transitions. [2020-12-23 09:12:42,756 INFO L78 Accepts]: Start accepts. Automaton has 6813 states and 12452 transitions. Word has length 97 [2020-12-23 09:12:42,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:42,756 INFO L481 AbstractCegarLoop]: Abstraction has 6813 states and 12452 transitions. [2020-12-23 09:12:42,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:12:42,757 INFO L276 IsEmpty]: Start isEmpty. Operand 6813 states and 12452 transitions. [2020-12-23 09:12:42,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 09:12:42,773 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:42,773 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] [2020-12-23 09:12:42,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:12:42,774 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:42,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:42,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1417321776, now seen corresponding path program 1 times [2020-12-23 09:12:42,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:42,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875138154] [2020-12-23 09:12:42,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:42,872 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 09:12:42,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875138154] [2020-12-23 09:12:42,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:42,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:12:42,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266298123] [2020-12-23 09:12:42,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:12:42,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:42,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:12:42,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:12:42,875 INFO L87 Difference]: Start difference. First operand 6813 states and 12452 transitions. Second operand 5 states. [2020-12-23 09:12:43,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:43,774 INFO L93 Difference]: Finished difference Result 19580 states and 35823 transitions. [2020-12-23 09:12:43,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:12:43,775 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-12-23 09:12:43,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:43,814 INFO L225 Difference]: With dead ends: 19580 [2020-12-23 09:12:43,814 INFO L226 Difference]: Without dead ends: 13053 [2020-12-23 09:12:43,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:12:43,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13053 states. [2020-12-23 09:12:44,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13053 to 6813. [2020-12-23 09:12:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6813 states. [2020-12-23 09:12:44,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6813 states to 6813 states and 12402 transitions. [2020-12-23 09:12:44,360 INFO L78 Accepts]: Start accepts. Automaton has 6813 states and 12402 transitions. Word has length 98 [2020-12-23 09:12:44,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:44,361 INFO L481 AbstractCegarLoop]: Abstraction has 6813 states and 12402 transitions. [2020-12-23 09:12:44,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:12:44,361 INFO L276 IsEmpty]: Start isEmpty. Operand 6813 states and 12402 transitions. [2020-12-23 09:12:44,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 09:12:44,379 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:44,379 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] [2020-12-23 09:12:44,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:12:44,380 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:44,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:44,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1536024865, now seen corresponding path program 1 times [2020-12-23 09:12:44,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:44,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773145318] [2020-12-23 09:12:44,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:44,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773145318] [2020-12-23 09:12:44,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:44,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:12:44,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917524048] [2020-12-23 09:12:44,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:12:44,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:44,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:12:44,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:44,480 INFO L87 Difference]: Start difference. First operand 6813 states and 12402 transitions. Second operand 3 states. [2020-12-23 09:12:45,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:45,142 INFO L93 Difference]: Finished difference Result 19948 states and 36357 transitions. [2020-12-23 09:12:45,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:12:45,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-23 09:12:45,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:45,182 INFO L225 Difference]: With dead ends: 19948 [2020-12-23 09:12:45,182 INFO L226 Difference]: Without dead ends: 13304 [2020-12-23 09:12:45,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:45,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13304 states. [2020-12-23 09:12:45,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13304 to 12895. [2020-12-23 09:12:45,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12895 states. [2020-12-23 09:12:45,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12895 states to 12895 states and 23507 transitions. [2020-12-23 09:12:45,928 INFO L78 Accepts]: Start accepts. Automaton has 12895 states and 23507 transitions. Word has length 98 [2020-12-23 09:12:45,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:45,928 INFO L481 AbstractCegarLoop]: Abstraction has 12895 states and 23507 transitions. [2020-12-23 09:12:45,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:12:45,928 INFO L276 IsEmpty]: Start isEmpty. Operand 12895 states and 23507 transitions. [2020-12-23 09:12:45,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 09:12:45,954 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:45,954 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] [2020-12-23 09:12:45,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:12:45,955 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:45,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:45,955 INFO L82 PathProgramCache]: Analyzing trace with hash -941046261, now seen corresponding path program 1 times [2020-12-23 09:12:45,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:45,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192156090] [2020-12-23 09:12:45,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:46,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192156090] [2020-12-23 09:12:46,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716232075] [2020-12-23 09:12:46,196 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:12:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:46,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 09:12:46,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:12:46,708 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:46,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:12:46,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2020-12-23 09:12:46,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002108303] [2020-12-23 09:12:46,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:12:46,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:46,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:12:46,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:12:46,712 INFO L87 Difference]: Start difference. First operand 12895 states and 23507 transitions. Second operand 10 states. [2020-12-23 09:12:47,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:47,841 INFO L93 Difference]: Finished difference Result 15748 states and 28541 transitions. [2020-12-23 09:12:47,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 09:12:47,841 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2020-12-23 09:12:47,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:47,882 INFO L225 Difference]: With dead ends: 15748 [2020-12-23 09:12:47,882 INFO L226 Difference]: Without dead ends: 14884 [2020-12-23 09:12:47,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2020-12-23 09:12:47,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14884 states. [2020-12-23 09:12:48,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14884 to 14294. [2020-12-23 09:12:48,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14294 states. [2020-12-23 09:12:48,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14294 states to 14294 states and 26059 transitions. [2020-12-23 09:12:48,609 INFO L78 Accepts]: Start accepts. Automaton has 14294 states and 26059 transitions. Word has length 99 [2020-12-23 09:12:48,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:48,610 INFO L481 AbstractCegarLoop]: Abstraction has 14294 states and 26059 transitions. [2020-12-23 09:12:48,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:12:48,610 INFO L276 IsEmpty]: Start isEmpty. Operand 14294 states and 26059 transitions. [2020-12-23 09:12:48,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 09:12:48,733 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:48,734 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, 1, 1, 1, 1, 1, 1] [2020-12-23 09:12:48,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-23 09:12:48,950 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:48,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:48,952 INFO L82 PathProgramCache]: Analyzing trace with hash 506079760, now seen corresponding path program 1 times [2020-12-23 09:12:48,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:48,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989535045] [2020-12-23 09:12:48,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:49,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:49,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989535045] [2020-12-23 09:12:49,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:49,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:12:49,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577544813] [2020-12-23 09:12:49,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:12:49,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:49,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:12:49,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:49,043 INFO L87 Difference]: Start difference. First operand 14294 states and 26059 transitions. Second operand 3 states. [2020-12-23 09:12:50,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:50,596 INFO L93 Difference]: Finished difference Result 39972 states and 73076 transitions. [2020-12-23 09:12:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:12:50,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-12-23 09:12:50,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:50,670 INFO L225 Difference]: With dead ends: 39972 [2020-12-23 09:12:50,670 INFO L226 Difference]: Without dead ends: 26568 [2020-12-23 09:12:50,690 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:50,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26568 states. [2020-12-23 09:12:51,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26568 to 26426. [2020-12-23 09:12:51,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26426 states. [2020-12-23 09:12:52,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26426 states to 26426 states and 48241 transitions. [2020-12-23 09:12:52,017 INFO L78 Accepts]: Start accepts. Automaton has 26426 states and 48241 transitions. Word has length 105 [2020-12-23 09:12:52,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:52,017 INFO L481 AbstractCegarLoop]: Abstraction has 26426 states and 48241 transitions. [2020-12-23 09:12:52,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:12:52,017 INFO L276 IsEmpty]: Start isEmpty. Operand 26426 states and 48241 transitions. [2020-12-23 09:12:52,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 09:12:52,056 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:52,056 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:12:52,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:12:52,057 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:52,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:52,057 INFO L82 PathProgramCache]: Analyzing trace with hash -134782026, now seen corresponding path program 1 times [2020-12-23 09:12:52,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:52,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623255297] [2020-12-23 09:12:52,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:52,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623255297] [2020-12-23 09:12:52,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:52,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:12:52,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601067877] [2020-12-23 09:12:52,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:12:52,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:52,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:12:52,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:52,129 INFO L87 Difference]: Start difference. First operand 26426 states and 48241 transitions. Second operand 3 states. [2020-12-23 09:12:54,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:54,040 INFO L93 Difference]: Finished difference Result 70256 states and 127927 transitions. [2020-12-23 09:12:54,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:12:54,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-12-23 09:12:54,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:54,179 INFO L225 Difference]: With dead ends: 70256 [2020-12-23 09:12:54,179 INFO L226 Difference]: Without dead ends: 45223 [2020-12-23 09:12:54,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:54,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45223 states. [2020-12-23 09:12:56,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45223 to 45081. [2020-12-23 09:12:56,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45081 states. [2020-12-23 09:12:56,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45081 states to 45081 states and 81771 transitions. [2020-12-23 09:12:56,376 INFO L78 Accepts]: Start accepts. Automaton has 45081 states and 81771 transitions. Word has length 106 [2020-12-23 09:12:56,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:56,376 INFO L481 AbstractCegarLoop]: Abstraction has 45081 states and 81771 transitions. [2020-12-23 09:12:56,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:12:56,376 INFO L276 IsEmpty]: Start isEmpty. Operand 45081 states and 81771 transitions. [2020-12-23 09:12:56,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-23 09:12:56,411 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:56,411 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:12:56,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:12:56,411 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:12:56,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:56,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1594439874, now seen corresponding path program 1 times [2020-12-23 09:12:56,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:56,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888968189] [2020-12-23 09:12:56,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:56,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:12:56,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888968189] [2020-12-23 09:12:56,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:56,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:12:56,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465599252] [2020-12-23 09:12:56,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:12:56,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:56,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:12:56,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:56,481 INFO L87 Difference]: Start difference. First operand 45081 states and 81771 transitions. Second operand 3 states. [2020-12-23 09:12:59,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:59,118 INFO L93 Difference]: Finished difference Result 123270 states and 223548 transitions. [2020-12-23 09:12:59,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:12:59,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-12-23 09:12:59,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:59,294 INFO L225 Difference]: With dead ends: 123270 [2020-12-23 09:12:59,294 INFO L226 Difference]: Without dead ends: 80021 [2020-12-23 09:12:59,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:12:59,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80021 states. [2020-12-23 09:13:02,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80021 to 79879. [2020-12-23 09:13:02,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79879 states. [2020-12-23 09:13:03,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79879 states to 79879 states and 144512 transitions. [2020-12-23 09:13:03,096 INFO L78 Accepts]: Start accepts. Automaton has 79879 states and 144512 transitions. Word has length 107 [2020-12-23 09:13:03,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:03,097 INFO L481 AbstractCegarLoop]: Abstraction has 79879 states and 144512 transitions. [2020-12-23 09:13:03,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:13:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 79879 states and 144512 transitions. [2020-12-23 09:13:03,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-23 09:13:03,152 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:03,152 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:13:03,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:13:03,152 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:03,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:03,153 INFO L82 PathProgramCache]: Analyzing trace with hash -753802017, now seen corresponding path program 1 times [2020-12-23 09:13:03,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:03,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097780373] [2020-12-23 09:13:03,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:03,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:03,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097780373] [2020-12-23 09:13:03,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:03,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:13:03,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690359654] [2020-12-23 09:13:03,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:13:03,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:03,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:13:03,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:13:03,234 INFO L87 Difference]: Start difference. First operand 79879 states and 144512 transitions. Second operand 3 states. [2020-12-23 09:13:08,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:08,497 INFO L93 Difference]: Finished difference Result 232572 states and 420955 transitions. [2020-12-23 09:13:08,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:13:08,499 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-12-23 09:13:08,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:09,012 INFO L225 Difference]: With dead ends: 232572 [2020-12-23 09:13:09,012 INFO L226 Difference]: Without dead ends: 154783 [2020-12-23 09:13:09,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:13:09,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154783 states. [2020-12-23 09:13:15,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154783 to 154641. [2020-12-23 09:13:15,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154641 states. [2020-12-23 09:13:16,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154641 states to 154641 states and 279365 transitions. [2020-12-23 09:13:16,167 INFO L78 Accepts]: Start accepts. Automaton has 154641 states and 279365 transitions. Word has length 108 [2020-12-23 09:13:16,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:16,167 INFO L481 AbstractCegarLoop]: Abstraction has 154641 states and 279365 transitions. [2020-12-23 09:13:16,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:13:16,167 INFO L276 IsEmpty]: Start isEmpty. Operand 154641 states and 279365 transitions. [2020-12-23 09:13:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-23 09:13:16,222 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:16,222 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:13:16,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:13:16,223 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:16,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:16,224 INFO L82 PathProgramCache]: Analyzing trace with hash -242875567, now seen corresponding path program 1 times [2020-12-23 09:13:16,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:16,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379815557] [2020-12-23 09:13:16,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:16,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:16,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379815557] [2020-12-23 09:13:16,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:16,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:13:16,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718397935] [2020-12-23 09:13:16,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:13:16,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:16,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:13:16,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:13:16,315 INFO L87 Difference]: Start difference. First operand 154641 states and 279365 transitions. Second operand 3 states. [2020-12-23 09:13:24,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:24,673 INFO L93 Difference]: Finished difference Result 274965 states and 495807 transitions. [2020-12-23 09:13:24,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:13:24,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-12-23 09:13:24,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:25,419 INFO L225 Difference]: With dead ends: 274965 [2020-12-23 09:13:25,420 INFO L226 Difference]: Without dead ends: 274823 [2020-12-23 09:13:25,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:13:25,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274823 states. [2020-12-23 09:13:36,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274823 to 274681. [2020-12-23 09:13:36,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274681 states. [2020-12-23 09:13:36,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274681 states to 274681 states and 494287 transitions. [2020-12-23 09:13:36,964 INFO L78 Accepts]: Start accepts. Automaton has 274681 states and 494287 transitions. Word has length 109 [2020-12-23 09:13:36,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:36,964 INFO L481 AbstractCegarLoop]: Abstraction has 274681 states and 494287 transitions. [2020-12-23 09:13:36,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:13:36,964 INFO L276 IsEmpty]: Start isEmpty. Operand 274681 states and 494287 transitions. [2020-12-23 09:13:37,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-23 09:13:37,024 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:37,024 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:13:37,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:13:37,025 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:37,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:37,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1617129069, now seen corresponding path program 1 times [2020-12-23 09:13:37,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:37,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551931612] [2020-12-23 09:13:37,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:37,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:37,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551931612] [2020-12-23 09:13:37,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:37,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:13:37,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733384584] [2020-12-23 09:13:37,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:13:37,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:37,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:13:37,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:13:37,112 INFO L87 Difference]: Start difference. First operand 274681 states and 494287 transitions. Second operand 5 states. [2020-12-23 09:13:53,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:53,125 INFO L93 Difference]: Finished difference Result 537633 states and 968005 transitions. [2020-12-23 09:13:53,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:13:53,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2020-12-23 09:13:53,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:54,687 INFO L225 Difference]: With dead ends: 537633 [2020-12-23 09:13:54,688 INFO L226 Difference]: Without dead ends: 537500 [2020-12-23 09:13:54,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:13:55,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537500 states. [2020-12-23 09:14:18,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537500 to 537367. [2020-12-23 09:14:18,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537367 states. [2020-12-23 09:14:22,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537367 states to 537367 states and 967549 transitions. [2020-12-23 09:14:22,018 INFO L78 Accepts]: Start accepts. Automaton has 537367 states and 967549 transitions. Word has length 110 [2020-12-23 09:14:22,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:22,019 INFO L481 AbstractCegarLoop]: Abstraction has 537367 states and 967549 transitions. [2020-12-23 09:14:22,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:22,019 INFO L276 IsEmpty]: Start isEmpty. Operand 537367 states and 967549 transitions. [2020-12-23 09:14:22,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 09:14:22,209 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:22,209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:22,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 09:14:22,210 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:22,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:22,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1052076534, now seen corresponding path program 1 times [2020-12-23 09:14:22,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:22,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973128888] [2020-12-23 09:14:22,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:22,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:22,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973128888] [2020-12-23 09:14:22,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:22,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:14:22,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566073704] [2020-12-23 09:14:22,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:22,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:22,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:22,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:22,373 INFO L87 Difference]: Start difference. First operand 537367 states and 967549 transitions. Second operand 5 states.