/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_spec8_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:03:46,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:03:46,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:03:46,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:03:46,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:03:46,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:03:46,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:03:46,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:03:46,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:03:46,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:03:46,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:03:46,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:03:46,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:03:46,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:03:46,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:03:46,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:03:46,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:03:46,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:03:46,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:03:46,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:03:46,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:03:46,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:03:46,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:03:46,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:03:46,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:03:46,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:03:46,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:03:46,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:03:46,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:03:46,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:03:46,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:03:46,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:03:46,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:03:46,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:03:46,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:03:46,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:03:46,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:03:46,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:03:46,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:03:46,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:03:46,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:03:46,352 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:03:46,400 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:03:46,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:03:46,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:03:46,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:03:46,404 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:03:46,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:03:46,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:03:46,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:03:46,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:03:46,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:03:46,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:03:46,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:03:46,407 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:03:46,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:03:46,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:03:46,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:03:46,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:03:46,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:03:46,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:03:46,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:03:46,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:03:46,409 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:03:46,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:03:46,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:03:46,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:03:46,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:03:46,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:03:46,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:03:46,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:03:46,900 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:03:46,901 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:03:46,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product22.cil.c [2021-01-06 19:03:46,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8ec33106e/fcdccb25102149ca815630fa13e3f38e/FLAG4fd8b998b [2021-01-06 19:03:47,770 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:03:47,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product22.cil.c [2021-01-06 19:03:47,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8ec33106e/fcdccb25102149ca815630fa13e3f38e/FLAG4fd8b998b [2021-01-06 19:03:47,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8ec33106e/fcdccb25102149ca815630fa13e3f38e [2021-01-06 19:03:47,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:03:47,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:03:47,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:03:47,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:03:47,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:03:47,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:03:47" (1/1) ... [2021-01-06 19:03:47,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1f7c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:47, skipping insertion in model container [2021-01-06 19:03:47,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:03:47" (1/1) ... [2021-01-06 19:03:47,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:03:48,026 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[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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~5,] 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~6,] 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~12,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] [2021-01-06 19:03:48,695 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_spec8_product22.cil.c[29489,29502] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] 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[~__ste_Client_counter~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~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[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~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_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~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_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~16,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~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~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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_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~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_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~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_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~17,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] 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[~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[~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[~retValue_acc~35,] 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~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[~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[~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[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~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[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] 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_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] [2021-01-06 19:03:48,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:03:48,829 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[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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~5,] 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~6,] 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~12,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] [2021-01-06 19:03:48,968 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_spec8_product22.cil.c[29489,29502] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] 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[~__ste_Client_counter~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~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[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~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_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~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_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~16,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~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~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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_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~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_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~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_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~17,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] 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[~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[~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[~retValue_acc~35,] 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~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[~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[~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[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~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[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] 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_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] [2021-01-06 19:03:49,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:03:49,188 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:03:49,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:49 WrapperNode [2021-01-06 19:03:49,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:03:49,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:03:49,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:03:49,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:03:49,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:49" (1/1) ... [2021-01-06 19:03:49,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:49" (1/1) ... [2021-01-06 19:03:49,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:03:49,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:03:49,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:03:49,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:03:49,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:49" (1/1) ... [2021-01-06 19:03:49,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:49" (1/1) ... [2021-01-06 19:03:49,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:49" (1/1) ... [2021-01-06 19:03:49,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:49" (1/1) ... [2021-01-06 19:03:49,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:49" (1/1) ... [2021-01-06 19:03:49,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:49" (1/1) ... [2021-01-06 19:03:49,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:49" (1/1) ... [2021-01-06 19:03:49,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:03:49,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:03:49,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:03:49,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:03:49,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:03:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 19:03:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:03:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:03:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:03:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:03:52,082 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:03:52,082 INFO L299 CfgBuilder]: Removed 323 assume(true) statements. [2021-01-06 19:03:52,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:03:52 BoogieIcfgContainer [2021-01-06 19:03:52,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:03:52,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:03:52,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:03:52,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:03:52,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:03:47" (1/3) ... [2021-01-06 19:03:52,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5fb866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:03:52, skipping insertion in model container [2021-01-06 19:03:52,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:03:49" (2/3) ... [2021-01-06 19:03:52,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5fb866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:03:52, skipping insertion in model container [2021-01-06 19:03:52,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:03:52" (3/3) ... [2021-01-06 19:03:52,094 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product22.cil.c [2021-01-06 19:03:52,100 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:03:52,106 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 19:03:52,125 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 19:03:52,155 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:03:52,155 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:03:52,156 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:03:52,156 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:03:52,156 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:03:52,156 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:03:52,156 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:03:52,156 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:03:52,188 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states. [2021-01-06 19:03:52,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-06 19:03:52,202 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:52,203 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:52,203 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:52,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:52,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1963774830, now seen corresponding path program 1 times [2021-01-06 19:03:52,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:52,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032273763] [2021-01-06 19:03:52,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:52,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:52,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032273763] [2021-01-06 19:03:52,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:52,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:52,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774023979] [2021-01-06 19:03:52,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:52,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:52,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:52,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:52,739 INFO L87 Difference]: Start difference. First operand 479 states. Second operand 3 states. [2021-01-06 19:03:52,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:52,906 INFO L93 Difference]: Finished difference Result 1402 states and 2429 transitions. [2021-01-06 19:03:52,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:52,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2021-01-06 19:03:52,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:52,935 INFO L225 Difference]: With dead ends: 1402 [2021-01-06 19:03:52,936 INFO L226 Difference]: Without dead ends: 782 [2021-01-06 19:03:52,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:52,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2021-01-06 19:03:53,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 400. [2021-01-06 19:03:53,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2021-01-06 19:03:53,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 693 transitions. [2021-01-06 19:03:53,037 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 693 transitions. Word has length 41 [2021-01-06 19:03:53,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:53,038 INFO L481 AbstractCegarLoop]: Abstraction has 400 states and 693 transitions. [2021-01-06 19:03:53,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:53,038 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 693 transitions. [2021-01-06 19:03:53,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-01-06 19:03:53,048 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:53,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:53,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:03:53,050 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:53,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:53,051 INFO L82 PathProgramCache]: Analyzing trace with hash -57545697, now seen corresponding path program 1 times [2021-01-06 19:03:53,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:53,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024110929] [2021-01-06 19:03:53,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:53,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:53,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024110929] [2021-01-06 19:03:53,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:53,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:03:53,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722990486] [2021-01-06 19:03:53,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:03:53,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:53,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:03:53,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:53,251 INFO L87 Difference]: Start difference. First operand 400 states and 693 transitions. Second operand 5 states. [2021-01-06 19:03:53,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:53,493 INFO L93 Difference]: Finished difference Result 1149 states and 1995 transitions. [2021-01-06 19:03:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:03:53,494 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2021-01-06 19:03:53,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:53,500 INFO L225 Difference]: With dead ends: 1149 [2021-01-06 19:03:53,500 INFO L226 Difference]: Without dead ends: 768 [2021-01-06 19:03:53,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:03:53,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2021-01-06 19:03:53,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 400. [2021-01-06 19:03:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2021-01-06 19:03:53,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 692 transitions. [2021-01-06 19:03:53,561 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 692 transitions. Word has length 43 [2021-01-06 19:03:53,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:53,561 INFO L481 AbstractCegarLoop]: Abstraction has 400 states and 692 transitions. [2021-01-06 19:03:53,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:03:53,562 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 692 transitions. [2021-01-06 19:03:53,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 19:03:53,563 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:53,563 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:53,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:03:53,564 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:53,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:53,565 INFO L82 PathProgramCache]: Analyzing trace with hash -167255374, now seen corresponding path program 1 times [2021-01-06 19:03:53,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:53,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455819614] [2021-01-06 19:03:53,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:53,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:53,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455819614] [2021-01-06 19:03:53,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:53,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:53,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823524543] [2021-01-06 19:03:53,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:53,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:53,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:53,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:53,651 INFO L87 Difference]: Start difference. First operand 400 states and 692 transitions. Second operand 3 states. [2021-01-06 19:03:53,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:53,692 INFO L93 Difference]: Finished difference Result 782 states and 1358 transitions. [2021-01-06 19:03:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:53,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2021-01-06 19:03:53,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:53,696 INFO L225 Difference]: With dead ends: 782 [2021-01-06 19:03:53,696 INFO L226 Difference]: Without dead ends: 405 [2021-01-06 19:03:53,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:53,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2021-01-06 19:03:53,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 400. [2021-01-06 19:03:53,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2021-01-06 19:03:53,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 691 transitions. [2021-01-06 19:03:53,724 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 691 transitions. Word has length 44 [2021-01-06 19:03:53,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:53,731 INFO L481 AbstractCegarLoop]: Abstraction has 400 states and 691 transitions. [2021-01-06 19:03:53,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 691 transitions. [2021-01-06 19:03:53,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-06 19:03:53,734 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:53,735 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:53,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:03:53,735 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:53,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:53,736 INFO L82 PathProgramCache]: Analyzing trace with hash -757093844, now seen corresponding path program 1 times [2021-01-06 19:03:53,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:53,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098625444] [2021-01-06 19:03:53,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:53,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:53,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098625444] [2021-01-06 19:03:53,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:53,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:53,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483981511] [2021-01-06 19:03:53,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:53,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:53,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:53,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:53,852 INFO L87 Difference]: Start difference. First operand 400 states and 691 transitions. Second operand 3 states. [2021-01-06 19:03:53,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:53,889 INFO L93 Difference]: Finished difference Result 792 states and 1371 transitions. [2021-01-06 19:03:53,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:53,890 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2021-01-06 19:03:53,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:53,894 INFO L225 Difference]: With dead ends: 792 [2021-01-06 19:03:53,894 INFO L226 Difference]: Without dead ends: 400 [2021-01-06 19:03:53,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:53,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2021-01-06 19:03:53,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2021-01-06 19:03:53,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2021-01-06 19:03:53,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 689 transitions. [2021-01-06 19:03:53,914 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 689 transitions. Word has length 45 [2021-01-06 19:03:53,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:53,914 INFO L481 AbstractCegarLoop]: Abstraction has 400 states and 689 transitions. [2021-01-06 19:03:53,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:53,914 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 689 transitions. [2021-01-06 19:03:53,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-06 19:03:53,916 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:53,916 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:53,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:03:53,916 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:53,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:53,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1603291255, now seen corresponding path program 1 times [2021-01-06 19:03:53,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:53,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443596626] [2021-01-06 19:03:53,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:54,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:54,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443596626] [2021-01-06 19:03:54,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:54,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:03:54,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846590752] [2021-01-06 19:03:54,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:03:54,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:54,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:03:54,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:54,021 INFO L87 Difference]: Start difference. First operand 400 states and 689 transitions. Second operand 5 states. [2021-01-06 19:03:54,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:54,209 INFO L93 Difference]: Finished difference Result 1139 states and 1975 transitions. [2021-01-06 19:03:54,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:03:54,212 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2021-01-06 19:03:54,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:54,217 INFO L225 Difference]: With dead ends: 1139 [2021-01-06 19:03:54,217 INFO L226 Difference]: Without dead ends: 766 [2021-01-06 19:03:54,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:03:54,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2021-01-06 19:03:54,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 400. [2021-01-06 19:03:54,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2021-01-06 19:03:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 688 transitions. [2021-01-06 19:03:54,270 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 688 transitions. Word has length 46 [2021-01-06 19:03:54,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:54,272 INFO L481 AbstractCegarLoop]: Abstraction has 400 states and 688 transitions. [2021-01-06 19:03:54,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:03:54,272 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 688 transitions. [2021-01-06 19:03:54,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 19:03:54,274 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:54,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:54,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:03:54,275 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:54,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:54,276 INFO L82 PathProgramCache]: Analyzing trace with hash 841215988, now seen corresponding path program 1 times [2021-01-06 19:03:54,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:54,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84161392] [2021-01-06 19:03:54,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:54,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:54,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84161392] [2021-01-06 19:03:54,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:54,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:03:54,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209479974] [2021-01-06 19:03:54,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:03:54,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:54,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:03:54,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:54,394 INFO L87 Difference]: Start difference. First operand 400 states and 688 transitions. Second operand 5 states. [2021-01-06 19:03:54,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:54,600 INFO L93 Difference]: Finished difference Result 1144 states and 1980 transitions. [2021-01-06 19:03:54,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:03:54,601 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2021-01-06 19:03:54,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:54,606 INFO L225 Difference]: With dead ends: 1144 [2021-01-06 19:03:54,606 INFO L226 Difference]: Without dead ends: 771 [2021-01-06 19:03:54,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:03:54,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2021-01-06 19:03:54,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 400. [2021-01-06 19:03:54,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2021-01-06 19:03:54,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 687 transitions. [2021-01-06 19:03:54,640 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 687 transitions. Word has length 47 [2021-01-06 19:03:54,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:54,640 INFO L481 AbstractCegarLoop]: Abstraction has 400 states and 687 transitions. [2021-01-06 19:03:54,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:03:54,640 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 687 transitions. [2021-01-06 19:03:54,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 19:03:54,642 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:54,642 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:54,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:03:54,643 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:54,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:54,648 INFO L82 PathProgramCache]: Analyzing trace with hash -795178020, now seen corresponding path program 1 times [2021-01-06 19:03:54,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:54,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135234384] [2021-01-06 19:03:54,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:54,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:54,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135234384] [2021-01-06 19:03:54,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:54,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:54,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756853728] [2021-01-06 19:03:54,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:54,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:54,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:54,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:54,731 INFO L87 Difference]: Start difference. First operand 400 states and 687 transitions. Second operand 3 states. [2021-01-06 19:03:54,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:54,765 INFO L93 Difference]: Finished difference Result 558 states and 943 transitions. [2021-01-06 19:03:54,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:54,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-01-06 19:03:54,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:54,768 INFO L225 Difference]: With dead ends: 558 [2021-01-06 19:03:54,768 INFO L226 Difference]: Without dead ends: 403 [2021-01-06 19:03:54,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:54,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2021-01-06 19:03:54,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 402. [2021-01-06 19:03:54,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2021-01-06 19:03:54,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 689 transitions. [2021-01-06 19:03:54,793 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 689 transitions. Word has length 48 [2021-01-06 19:03:54,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:54,793 INFO L481 AbstractCegarLoop]: Abstraction has 402 states and 689 transitions. [2021-01-06 19:03:54,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:54,793 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 689 transitions. [2021-01-06 19:03:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 19:03:54,794 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:54,794 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:54,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:03:54,795 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:54,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:54,795 INFO L82 PathProgramCache]: Analyzing trace with hash 983697582, now seen corresponding path program 1 times [2021-01-06 19:03:54,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:54,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791405877] [2021-01-06 19:03:54,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:54,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:54,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791405877] [2021-01-06 19:03:54,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:54,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:54,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131226563] [2021-01-06 19:03:54,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:54,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:54,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:54,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:54,854 INFO L87 Difference]: Start difference. First operand 402 states and 689 transitions. Second operand 3 states. [2021-01-06 19:03:54,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:54,909 INFO L93 Difference]: Finished difference Result 1092 states and 1891 transitions. [2021-01-06 19:03:54,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:54,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2021-01-06 19:03:54,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:54,916 INFO L225 Difference]: With dead ends: 1092 [2021-01-06 19:03:54,916 INFO L226 Difference]: Without dead ends: 721 [2021-01-06 19:03:54,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:54,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2021-01-06 19:03:54,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 566. [2021-01-06 19:03:54,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2021-01-06 19:03:54,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 989 transitions. [2021-01-06 19:03:54,953 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 989 transitions. Word has length 56 [2021-01-06 19:03:54,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:54,953 INFO L481 AbstractCegarLoop]: Abstraction has 566 states and 989 transitions. [2021-01-06 19:03:54,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:54,953 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 989 transitions. [2021-01-06 19:03:54,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 19:03:54,954 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:54,955 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:54,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:03:54,957 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:54,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:54,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1126303313, now seen corresponding path program 1 times [2021-01-06 19:03:54,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:54,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071544982] [2021-01-06 19:03:54,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:55,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:55,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071544982] [2021-01-06 19:03:55,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:55,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:03:55,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600414404] [2021-01-06 19:03:55,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:03:55,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:55,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:03:55,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:55,062 INFO L87 Difference]: Start difference. First operand 566 states and 989 transitions. Second operand 5 states. [2021-01-06 19:03:55,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:55,325 INFO L93 Difference]: Finished difference Result 1628 states and 2873 transitions. [2021-01-06 19:03:55,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:03:55,326 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2021-01-06 19:03:55,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:55,332 INFO L225 Difference]: With dead ends: 1628 [2021-01-06 19:03:55,332 INFO L226 Difference]: Without dead ends: 1093 [2021-01-06 19:03:55,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:03:55,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2021-01-06 19:03:55,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 566. [2021-01-06 19:03:55,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2021-01-06 19:03:55,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 987 transitions. [2021-01-06 19:03:55,376 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 987 transitions. Word has length 57 [2021-01-06 19:03:55,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:55,377 INFO L481 AbstractCegarLoop]: Abstraction has 566 states and 987 transitions. [2021-01-06 19:03:55,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:03:55,377 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 987 transitions. [2021-01-06 19:03:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 19:03:55,378 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:55,378 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:55,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:03:55,378 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:55,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:55,379 INFO L82 PathProgramCache]: Analyzing trace with hash -78769224, now seen corresponding path program 1 times [2021-01-06 19:03:55,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:55,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787535035] [2021-01-06 19:03:55,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:55,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:55,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787535035] [2021-01-06 19:03:55,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:55,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:55,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113015257] [2021-01-06 19:03:55,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:55,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:55,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:55,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:55,437 INFO L87 Difference]: Start difference. First operand 566 states and 987 transitions. Second operand 3 states. [2021-01-06 19:03:55,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:55,514 INFO L93 Difference]: Finished difference Result 1626 states and 2865 transitions. [2021-01-06 19:03:55,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:55,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 19:03:55,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:55,521 INFO L225 Difference]: With dead ends: 1626 [2021-01-06 19:03:55,521 INFO L226 Difference]: Without dead ends: 1091 [2021-01-06 19:03:55,522 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 [2021-01-06 19:03:55,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2021-01-06 19:03:55,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 936. [2021-01-06 19:03:55,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 936 states. [2021-01-06 19:03:55,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1664 transitions. [2021-01-06 19:03:55,586 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1664 transitions. Word has length 58 [2021-01-06 19:03:55,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:55,587 INFO L481 AbstractCegarLoop]: Abstraction has 936 states and 1664 transitions. [2021-01-06 19:03:55,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:55,587 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1664 transitions. [2021-01-06 19:03:55,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 19:03:55,588 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:55,588 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:55,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:03:55,589 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:55,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:55,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1155314650, now seen corresponding path program 1 times [2021-01-06 19:03:55,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:55,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116306654] [2021-01-06 19:03:55,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:55,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:55,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116306654] [2021-01-06 19:03:55,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928379300] [2021-01-06 19:03:55,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:03:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:56,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:03:56,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:03:56,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 19:03:56,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 19:03:56,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 19:03:56,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448519063] [2021-01-06 19:03:56,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:56,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:56,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:56,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:56,139 INFO L87 Difference]: Start difference. First operand 936 states and 1664 transitions. Second operand 3 states. [2021-01-06 19:03:56,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:56,246 INFO L93 Difference]: Finished difference Result 1049 states and 1846 transitions. [2021-01-06 19:03:56,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:56,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 19:03:56,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:56,252 INFO L225 Difference]: With dead ends: 1049 [2021-01-06 19:03:56,252 INFO L226 Difference]: Without dead ends: 930 [2021-01-06 19:03:56,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:56,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2021-01-06 19:03:56,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 930. [2021-01-06 19:03:56,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 930 states. [2021-01-06 19:03:56,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1655 transitions. [2021-01-06 19:03:56,326 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1655 transitions. Word has length 58 [2021-01-06 19:03:56,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:56,327 INFO L481 AbstractCegarLoop]: Abstraction has 930 states and 1655 transitions. [2021-01-06 19:03:56,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:56,327 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1655 transitions. [2021-01-06 19:03:56,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-01-06 19:03:56,329 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:56,329 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:56,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 19:03:56,544 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:56,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:56,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1558818986, now seen corresponding path program 1 times [2021-01-06 19:03:56,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:56,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599314043] [2021-01-06 19:03:56,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:56,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:56,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599314043] [2021-01-06 19:03:56,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60041314] [2021-01-06 19:03:56,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:03:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:57,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:03:57,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:03:57,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:57,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:03:57,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 19:03:57,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722585487] [2021-01-06 19:03:57,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:03:57,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:57,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:03:57,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:57,195 INFO L87 Difference]: Start difference. First operand 930 states and 1655 transitions. Second operand 5 states. [2021-01-06 19:03:57,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:57,317 INFO L93 Difference]: Finished difference Result 1451 states and 2544 transitions. [2021-01-06 19:03:57,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:03:57,318 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2021-01-06 19:03:57,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:57,325 INFO L225 Difference]: With dead ends: 1451 [2021-01-06 19:03:57,325 INFO L226 Difference]: Without dead ends: 1302 [2021-01-06 19:03:57,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:57,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2021-01-06 19:03:57,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1150. [2021-01-06 19:03:57,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1150 states. [2021-01-06 19:03:57,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 2052 transitions. [2021-01-06 19:03:57,426 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 2052 transitions. Word has length 93 [2021-01-06 19:03:57,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:57,426 INFO L481 AbstractCegarLoop]: Abstraction has 1150 states and 2052 transitions. [2021-01-06 19:03:57,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:03:57,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 2052 transitions. [2021-01-06 19:03:57,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-01-06 19:03:57,429 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:57,429 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:57,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-06 19:03:57,642 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:57,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:57,643 INFO L82 PathProgramCache]: Analyzing trace with hash -730403193, now seen corresponding path program 1 times [2021-01-06 19:03:57,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:57,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600845152] [2021-01-06 19:03:57,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:57,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600845152] [2021-01-06 19:03:57,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:57,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:57,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775345946] [2021-01-06 19:03:57,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:57,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:57,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:57,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:57,782 INFO L87 Difference]: Start difference. First operand 1150 states and 2052 transitions. Second operand 3 states. [2021-01-06 19:03:57,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:57,943 INFO L93 Difference]: Finished difference Result 3080 states and 5523 transitions. [2021-01-06 19:03:57,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:57,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2021-01-06 19:03:57,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:57,955 INFO L225 Difference]: With dead ends: 3080 [2021-01-06 19:03:57,955 INFO L226 Difference]: Without dead ends: 2031 [2021-01-06 19:03:57,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:57,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2021-01-06 19:03:58,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 1882. [2021-01-06 19:03:58,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1882 states. [2021-01-06 19:03:58,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1882 states and 3385 transitions. [2021-01-06 19:03:58,090 INFO L78 Accepts]: Start accepts. Automaton has 1882 states and 3385 transitions. Word has length 97 [2021-01-06 19:03:58,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:58,090 INFO L481 AbstractCegarLoop]: Abstraction has 1882 states and 3385 transitions. [2021-01-06 19:03:58,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:58,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 3385 transitions. [2021-01-06 19:03:58,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-01-06 19:03:58,095 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:58,095 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:58,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:03:58,096 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:58,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:58,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1067928583, now seen corresponding path program 1 times [2021-01-06 19:03:58,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:58,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925896079] [2021-01-06 19:03:58,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:58,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:58,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925896079] [2021-01-06 19:03:58,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:58,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:58,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733305274] [2021-01-06 19:03:58,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:58,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:58,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:58,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:58,176 INFO L87 Difference]: Start difference. First operand 1882 states and 3385 transitions. Second operand 3 states. [2021-01-06 19:03:58,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:58,385 INFO L93 Difference]: Finished difference Result 5012 states and 9041 transitions. [2021-01-06 19:03:58,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:58,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2021-01-06 19:03:58,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:58,403 INFO L225 Difference]: With dead ends: 5012 [2021-01-06 19:03:58,403 INFO L226 Difference]: Without dead ends: 3265 [2021-01-06 19:03:58,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:58,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3265 states. [2021-01-06 19:03:58,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3265 to 3116. [2021-01-06 19:03:58,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3116 states. [2021-01-06 19:03:58,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 3116 states and 5626 transitions. [2021-01-06 19:03:58,592 INFO L78 Accepts]: Start accepts. Automaton has 3116 states and 5626 transitions. Word has length 98 [2021-01-06 19:03:58,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:58,593 INFO L481 AbstractCegarLoop]: Abstraction has 3116 states and 5626 transitions. [2021-01-06 19:03:58,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:58,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3116 states and 5626 transitions. [2021-01-06 19:03:58,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 19:03:58,604 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:58,604 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:58,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 19:03:58,604 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:58,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:58,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1710816440, now seen corresponding path program 1 times [2021-01-06 19:03:58,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:58,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032332217] [2021-01-06 19:03:58,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:58,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:58,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032332217] [2021-01-06 19:03:58,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:58,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:58,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274050840] [2021-01-06 19:03:58,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:58,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:58,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:58,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:58,686 INFO L87 Difference]: Start difference. First operand 3116 states and 5626 transitions. Second operand 3 states. [2021-01-06 19:03:59,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:59,001 INFO L93 Difference]: Finished difference Result 8430 states and 15247 transitions. [2021-01-06 19:03:59,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:59,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2021-01-06 19:03:59,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:59,033 INFO L225 Difference]: With dead ends: 8430 [2021-01-06 19:03:59,033 INFO L226 Difference]: Without dead ends: 5483 [2021-01-06 19:03:59,042 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:59,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2021-01-06 19:03:59,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5334. [2021-01-06 19:03:59,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5334 states. [2021-01-06 19:03:59,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5334 states to 5334 states and 9643 transitions. [2021-01-06 19:03:59,440 INFO L78 Accepts]: Start accepts. Automaton has 5334 states and 9643 transitions. Word has length 99 [2021-01-06 19:03:59,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:59,441 INFO L481 AbstractCegarLoop]: Abstraction has 5334 states and 9643 transitions. [2021-01-06 19:03:59,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:59,441 INFO L276 IsEmpty]: Start isEmpty. Operand 5334 states and 9643 transitions. [2021-01-06 19:03:59,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-01-06 19:03:59,455 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:59,456 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] [2021-01-06 19:03:59,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 19:03:59,456 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:59,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:59,456 INFO L82 PathProgramCache]: Analyzing trace with hash 626981144, now seen corresponding path program 1 times [2021-01-06 19:03:59,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:59,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414544822] [2021-01-06 19:03:59,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:59,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:59,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414544822] [2021-01-06 19:03:59,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:59,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:59,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769744412] [2021-01-06 19:03:59,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:59,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:59,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:59,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:59,578 INFO L87 Difference]: Start difference. First operand 5334 states and 9643 transitions. Second operand 3 states. [2021-01-06 19:04:00,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:00,477 INFO L93 Difference]: Finished difference Result 15410 states and 27909 transitions. [2021-01-06 19:04:00,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:04:00,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2021-01-06 19:04:00,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:00,541 INFO L225 Difference]: With dead ends: 15410 [2021-01-06 19:04:00,542 INFO L226 Difference]: Without dead ends: 10253 [2021-01-06 19:04:00,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:04:00,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10253 states. [2021-01-06 19:04:01,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10253 to 10104. [2021-01-06 19:04:01,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10104 states. [2021-01-06 19:04:01,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10104 states to 10104 states and 18284 transitions. [2021-01-06 19:04:01,298 INFO L78 Accepts]: Start accepts. Automaton has 10104 states and 18284 transitions. Word has length 100 [2021-01-06 19:04:01,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:01,298 INFO L481 AbstractCegarLoop]: Abstraction has 10104 states and 18284 transitions. [2021-01-06 19:04:01,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:04:01,299 INFO L276 IsEmpty]: Start isEmpty. Operand 10104 states and 18284 transitions. [2021-01-06 19:04:01,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-01-06 19:04:01,320 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:01,320 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] [2021-01-06 19:04:01,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 19:04:01,320 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:04:01,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:01,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1679806375, now seen corresponding path program 1 times [2021-01-06 19:04:01,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:01,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533404043] [2021-01-06 19:04:01,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:01,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:04:01,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533404043] [2021-01-06 19:04:01,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:01,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:04:01,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502678905] [2021-01-06 19:04:01,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:04:01,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:01,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:04:01,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:04:01,409 INFO L87 Difference]: Start difference. First operand 10104 states and 18284 transitions. Second operand 3 states. [2021-01-06 19:04:02,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:02,332 INFO L93 Difference]: Finished difference Result 29550 states and 53531 transitions. [2021-01-06 19:04:02,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:04:02,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2021-01-06 19:04:02,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:02,389 INFO L225 Difference]: With dead ends: 29550 [2021-01-06 19:04:02,390 INFO L226 Difference]: Without dead ends: 19631 [2021-01-06 19:04:02,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:04:02,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19631 states. [2021-01-06 19:04:03,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19631 to 19482. [2021-01-06 19:04:03,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19482 states. [2021-01-06 19:04:03,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19482 states to 19482 states and 35245 transitions. [2021-01-06 19:04:03,783 INFO L78 Accepts]: Start accepts. Automaton has 19482 states and 35245 transitions. Word has length 101 [2021-01-06 19:04:03,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:03,783 INFO L481 AbstractCegarLoop]: Abstraction has 19482 states and 35245 transitions. [2021-01-06 19:04:03,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:04:03,783 INFO L276 IsEmpty]: Start isEmpty. Operand 19482 states and 35245 transitions. [2021-01-06 19:04:03,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 19:04:03,816 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:03,816 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] [2021-01-06 19:04:03,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 19:04:03,817 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:04:03,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:03,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1038516839, now seen corresponding path program 1 times [2021-01-06 19:04:03,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:03,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430015742] [2021-01-06 19:04:03,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:03,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:04:03,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430015742] [2021-01-06 19:04:03,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:03,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:04:03,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959316433] [2021-01-06 19:04:03,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:04:03,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:03,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:04:03,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:04:03,899 INFO L87 Difference]: Start difference. First operand 19482 states and 35245 transitions. Second operand 3 states. [2021-01-06 19:04:05,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:05,513 INFO L93 Difference]: Finished difference Result 57870 states and 104728 transitions. [2021-01-06 19:04:05,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:04:05,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2021-01-06 19:04:05,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:05,623 INFO L225 Difference]: With dead ends: 57870 [2021-01-06 19:04:05,623 INFO L226 Difference]: Without dead ends: 38577 [2021-01-06 19:04:05,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:04:05,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38577 states. [2021-01-06 19:04:07,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38577 to 38428. [2021-01-06 19:04:07,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38428 states. [2021-01-06 19:04:08,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38428 states to 38428 states and 69422 transitions. [2021-01-06 19:04:08,069 INFO L78 Accepts]: Start accepts. Automaton has 38428 states and 69422 transitions. Word has length 102 [2021-01-06 19:04:08,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:08,070 INFO L481 AbstractCegarLoop]: Abstraction has 38428 states and 69422 transitions. [2021-01-06 19:04:08,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:04:08,070 INFO L276 IsEmpty]: Start isEmpty. Operand 38428 states and 69422 transitions. [2021-01-06 19:04:08,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-06 19:04:08,120 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:08,120 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:04:08,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 19:04:08,121 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:04:08,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:08,121 INFO L82 PathProgramCache]: Analyzing trace with hash -674852658, now seen corresponding path program 1 times [2021-01-06 19:04:08,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:08,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202192484] [2021-01-06 19:04:08,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:08,202 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 19:04:08,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202192484] [2021-01-06 19:04:08,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:08,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:04:08,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685816265] [2021-01-06 19:04:08,203 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:04:08,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:08,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:04:08,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:04:08,204 INFO L87 Difference]: Start difference. First operand 38428 states and 69422 transitions. Second operand 5 states. [2021-01-06 19:04:11,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:11,030 INFO L93 Difference]: Finished difference Result 112979 states and 204065 transitions. [2021-01-06 19:04:11,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:04:11,030 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2021-01-06 19:04:11,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:11,206 INFO L225 Difference]: With dead ends: 112979 [2021-01-06 19:04:11,206 INFO L226 Difference]: Without dead ends: 74808 [2021-01-06 19:04:11,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:04:11,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74808 states. [2021-01-06 19:04:13,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74808 to 38428. [2021-01-06 19:04:13,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38428 states. [2021-01-06 19:04:13,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38428 states to 38428 states and 69164 transitions. [2021-01-06 19:04:13,452 INFO L78 Accepts]: Start accepts. Automaton has 38428 states and 69164 transitions. Word has length 103 [2021-01-06 19:04:13,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:13,452 INFO L481 AbstractCegarLoop]: Abstraction has 38428 states and 69164 transitions. [2021-01-06 19:04:13,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:04:13,452 INFO L276 IsEmpty]: Start isEmpty. Operand 38428 states and 69164 transitions. [2021-01-06 19:04:13,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-06 19:04:13,488 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:13,489 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:04:13,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 19:04:13,489 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:04:13,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:13,490 INFO L82 PathProgramCache]: Analyzing trace with hash 655977836, now seen corresponding path program 2 times [2021-01-06 19:04:13,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:13,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437379150] [2021-01-06 19:04:13,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:13,551 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:04:13,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437379150] [2021-01-06 19:04:13,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:13,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:04:13,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009390307] [2021-01-06 19:04:13,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:04:13,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:13,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:04:13,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:04:13,554 INFO L87 Difference]: Start difference. First operand 38428 states and 69164 transitions. Second operand 3 states. [2021-01-06 19:04:15,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:15,240 INFO L93 Difference]: Finished difference Result 76742 states and 138130 transitions. [2021-01-06 19:04:15,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:04:15,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2021-01-06 19:04:15,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:15,297 INFO L225 Difference]: With dead ends: 76742 [2021-01-06 19:04:15,297 INFO L226 Difference]: Without dead ends: 38577 [2021-01-06 19:04:15,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:04:15,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38577 states. [2021-01-06 19:04:17,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38577 to 38428. [2021-01-06 19:04:17,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38428 states. [2021-01-06 19:04:17,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38428 states to 38428 states and 69036 transitions. [2021-01-06 19:04:17,238 INFO L78 Accepts]: Start accepts. Automaton has 38428 states and 69036 transitions. Word has length 103 [2021-01-06 19:04:17,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:17,238 INFO L481 AbstractCegarLoop]: Abstraction has 38428 states and 69036 transitions. [2021-01-06 19:04:17,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:04:17,238 INFO L276 IsEmpty]: Start isEmpty. Operand 38428 states and 69036 transitions. [2021-01-06 19:04:17,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-06 19:04:17,261 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:17,262 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] [2021-01-06 19:04:17,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 19:04:17,262 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:04:17,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:17,262 INFO L82 PathProgramCache]: Analyzing trace with hash 519883417, now seen corresponding path program 1 times [2021-01-06 19:04:17,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:17,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280752942] [2021-01-06 19:04:17,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:17,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:04:17,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280752942] [2021-01-06 19:04:17,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:17,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:04:17,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857747496] [2021-01-06 19:04:17,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:04:17,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:17,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:04:17,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:04:17,329 INFO L87 Difference]: Start difference. First operand 38428 states and 69036 transitions. Second operand 3 states. [2021-01-06 19:04:19,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:19,959 INFO L93 Difference]: Finished difference Result 106864 states and 191708 transitions. [2021-01-06 19:04:19,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:04:19,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2021-01-06 19:04:19,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:20,070 INFO L225 Difference]: With dead ends: 106864 [2021-01-06 19:04:20,071 INFO L226 Difference]: Without dead ends: 68659 [2021-01-06 19:04:20,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:04:20,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68659 states. [2021-01-06 19:04:23,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68659 to 68510. [2021-01-06 19:04:23,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68510 states. [2021-01-06 19:04:23,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68510 states to 68510 states and 122541 transitions. [2021-01-06 19:04:23,378 INFO L78 Accepts]: Start accepts. Automaton has 68510 states and 122541 transitions. Word has length 103 [2021-01-06 19:04:23,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:23,378 INFO L481 AbstractCegarLoop]: Abstraction has 68510 states and 122541 transitions. [2021-01-06 19:04:23,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:04:23,378 INFO L276 IsEmpty]: Start isEmpty. Operand 68510 states and 122541 transitions. [2021-01-06 19:04:23,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-01-06 19:04:23,415 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:23,415 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:04:23,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 19:04:23,415 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:04:23,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:23,416 INFO L82 PathProgramCache]: Analyzing trace with hash 368621106, now seen corresponding path program 1 times [2021-01-06 19:04:23,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:23,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214394239] [2021-01-06 19:04:23,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:23,657 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:04:23,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214394239] [2021-01-06 19:04:23,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:23,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:04:23,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005201085] [2021-01-06 19:04:23,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:04:23,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:23,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:04:23,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:04:23,660 INFO L87 Difference]: Start difference. First operand 68510 states and 122541 transitions. Second operand 9 states. [2021-01-06 19:04:25,448 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2021-01-06 19:04:29,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:29,579 INFO L93 Difference]: Finished difference Result 137644 states and 246062 transitions. [2021-01-06 19:04:29,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 19:04:29,580 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 104 [2021-01-06 19:04:29,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:29,972 INFO L225 Difference]: With dead ends: 137644 [2021-01-06 19:04:29,972 INFO L226 Difference]: Without dead ends: 137515 [2021-01-06 19:04:30,003 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2021-01-06 19:04:30,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137515 states. [2021-01-06 19:04:35,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137515 to 136813. [2021-01-06 19:04:35,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136813 states. [2021-01-06 19:04:36,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136813 states to 136813 states and 244741 transitions. [2021-01-06 19:04:36,358 INFO L78 Accepts]: Start accepts. Automaton has 136813 states and 244741 transitions. Word has length 104 [2021-01-06 19:04:36,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:36,358 INFO L481 AbstractCegarLoop]: Abstraction has 136813 states and 244741 transitions. [2021-01-06 19:04:36,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:04:36,359 INFO L276 IsEmpty]: Start isEmpty. Operand 136813 states and 244741 transitions. [2021-01-06 19:04:36,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 19:04:36,447 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:36,447 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:04:36,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 19:04:36,447 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:04:36,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:36,448 INFO L82 PathProgramCache]: Analyzing trace with hash 55364279, now seen corresponding path program 1 times [2021-01-06 19:04:36,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:36,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688649559] [2021-01-06 19:04:36,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:36,544 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:04:36,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688649559] [2021-01-06 19:04:36,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:36,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:04:36,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230124739] [2021-01-06 19:04:36,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:04:36,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:36,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:04:36,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:04:36,550 INFO L87 Difference]: Start difference. First operand 136813 states and 244741 transitions. Second operand 4 states. [2021-01-06 19:04:41,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:41,366 INFO L93 Difference]: Finished difference Result 137041 states and 245104 transitions. [2021-01-06 19:04:41,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:04:41,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2021-01-06 19:04:41,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:41,614 INFO L225 Difference]: With dead ends: 137041 [2021-01-06 19:04:41,614 INFO L226 Difference]: Without dead ends: 136897 [2021-01-06 19:04:41,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:04:41,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136897 states. [2021-01-06 19:04:47,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136897 to 136812. [2021-01-06 19:04:47,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136812 states. [2021-01-06 19:04:47,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136812 states to 136812 states and 244737 transitions. [2021-01-06 19:04:47,497 INFO L78 Accepts]: Start accepts. Automaton has 136812 states and 244737 transitions. Word has length 105 [2021-01-06 19:04:47,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:47,497 INFO L481 AbstractCegarLoop]: Abstraction has 136812 states and 244737 transitions. [2021-01-06 19:04:47,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:04:47,498 INFO L276 IsEmpty]: Start isEmpty. Operand 136812 states and 244737 transitions. [2021-01-06 19:04:47,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 19:04:47,898 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:47,899 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:04:47,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 19:04:47,899 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:04:47,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:47,900 INFO L82 PathProgramCache]: Analyzing trace with hash 972400562, now seen corresponding path program 1 times [2021-01-06 19:04:47,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:47,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460349448] [2021-01-06 19:04:47,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:48,012 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:04:48,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460349448] [2021-01-06 19:04:48,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:48,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:04:48,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958066945] [2021-01-06 19:04:48,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:04:48,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:48,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:04:48,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:04:48,014 INFO L87 Difference]: Start difference. First operand 136812 states and 244737 transitions. Second operand 6 states. [2021-01-06 19:04:53,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:53,031 INFO L93 Difference]: Finished difference Result 137062 states and 245136 transitions. [2021-01-06 19:04:53,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:04:53,032 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2021-01-06 19:04:53,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:53,279 INFO L225 Difference]: With dead ends: 137062 [2021-01-06 19:04:53,279 INFO L226 Difference]: Without dead ends: 136822 [2021-01-06 19:04:53,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:04:53,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136822 states. [2021-01-06 19:04:58,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136822 to 136800. [2021-01-06 19:04:58,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136800 states. [2021-01-06 19:04:59,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136800 states to 136800 states and 244710 transitions. [2021-01-06 19:04:59,546 INFO L78 Accepts]: Start accepts. Automaton has 136800 states and 244710 transitions. Word has length 106 [2021-01-06 19:04:59,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:59,546 INFO L481 AbstractCegarLoop]: Abstraction has 136800 states and 244710 transitions. [2021-01-06 19:04:59,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:04:59,546 INFO L276 IsEmpty]: Start isEmpty. Operand 136800 states and 244710 transitions. [2021-01-06 19:04:59,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 19:04:59,615 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:59,615 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:04:59,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 19:04:59,615 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:04:59,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:59,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1504230364, now seen corresponding path program 1 times [2021-01-06 19:04:59,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:59,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766008232] [2021-01-06 19:04:59,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:59,783 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:04:59,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766008232] [2021-01-06 19:04:59,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:59,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 19:04:59,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141755064] [2021-01-06 19:04:59,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 19:04:59,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:59,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 19:04:59,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:04:59,785 INFO L87 Difference]: Start difference. First operand 136800 states and 244710 transitions. Second operand 10 states. [2021-01-06 19:05:05,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:05:05,616 INFO L93 Difference]: Finished difference Result 138244 states and 246962 transitions. [2021-01-06 19:05:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-01-06 19:05:05,616 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 106 [2021-01-06 19:05:05,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:05:05,852 INFO L225 Difference]: With dead ends: 138244 [2021-01-06 19:05:05,852 INFO L226 Difference]: Without dead ends: 138070 [2021-01-06 19:05:05,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2021-01-06 19:05:05,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138070 states. [2021-01-06 19:05:11,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138070 to 136812. [2021-01-06 19:05:11,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136812 states. [2021-01-06 19:05:11,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136812 states to 136812 states and 244726 transitions. [2021-01-06 19:05:11,957 INFO L78 Accepts]: Start accepts. Automaton has 136812 states and 244726 transitions. Word has length 106 [2021-01-06 19:05:11,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:05:11,958 INFO L481 AbstractCegarLoop]: Abstraction has 136812 states and 244726 transitions. [2021-01-06 19:05:11,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 19:05:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 136812 states and 244726 transitions. [2021-01-06 19:05:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 19:05:12,020 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:05:12,021 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:05:12,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 19:05:12,021 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:05:12,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:05:12,022 INFO L82 PathProgramCache]: Analyzing trace with hash 494129897, now seen corresponding path program 1 times [2021-01-06 19:05:12,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:05:12,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679383372] [2021-01-06 19:05:12,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:05:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:05:12,475 WARN L197 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 4 [2021-01-06 19:05:12,569 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:05:12,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679383372] [2021-01-06 19:05:12,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:05:12,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 19:05:12,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540847869] [2021-01-06 19:05:12,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 19:05:12,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:05:12,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 19:05:12,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:05:12,571 INFO L87 Difference]: Start difference. First operand 136812 states and 244726 transitions. Second operand 11 states. [2021-01-06 19:05:18,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:05:18,215 INFO L93 Difference]: Finished difference Result 138152 states and 246804 transitions. [2021-01-06 19:05:18,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-01-06 19:05:18,216 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 107 [2021-01-06 19:05:18,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:05:18,448 INFO L225 Difference]: With dead ends: 138152 [2021-01-06 19:05:18,448 INFO L226 Difference]: Without dead ends: 138024 [2021-01-06 19:05:18,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=288, Invalid=768, Unknown=0, NotChecked=0, Total=1056 [2021-01-06 19:05:18,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138024 states. [2021-01-06 19:05:24,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138024 to 136858. [2021-01-06 19:05:24,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136858 states. [2021-01-06 19:05:24,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136858 states to 136858 states and 244802 transitions. [2021-01-06 19:05:24,742 INFO L78 Accepts]: Start accepts. Automaton has 136858 states and 244802 transitions. Word has length 107 [2021-01-06 19:05:24,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:05:24,742 INFO L481 AbstractCegarLoop]: Abstraction has 136858 states and 244802 transitions. [2021-01-06 19:05:24,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 19:05:24,743 INFO L276 IsEmpty]: Start isEmpty. Operand 136858 states and 244802 transitions. [2021-01-06 19:05:25,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 19:05:25,111 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:05:25,111 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:05:25,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 19:05:25,111 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:05:25,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:05:25,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1233875425, now seen corresponding path program 1 times [2021-01-06 19:05:25,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:05:25,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133156051] [2021-01-06 19:05:25,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:05:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:05:25,229 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:05:25,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133156051] [2021-01-06 19:05:25,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:05:25,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:05:25,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582671417] [2021-01-06 19:05:25,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 19:05:25,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:05:25,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 19:05:25,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:05:25,232 INFO L87 Difference]: Start difference. First operand 136858 states and 244802 transitions. Second operand 8 states. [2021-01-06 19:05:29,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:05:29,979 INFO L93 Difference]: Finished difference Result 137161 states and 245274 transitions. [2021-01-06 19:05:29,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 19:05:29,979 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2021-01-06 19:05:29,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:05:30,219 INFO L225 Difference]: With dead ends: 137161 [2021-01-06 19:05:30,220 INFO L226 Difference]: Without dead ends: 136865 [2021-01-06 19:05:30,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2021-01-06 19:05:30,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136865 states. [2021-01-06 19:05:37,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136865 to 136793. [2021-01-06 19:05:37,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136793 states. [2021-01-06 19:05:37,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136793 states to 136793 states and 244690 transitions. [2021-01-06 19:05:37,515 INFO L78 Accepts]: Start accepts. Automaton has 136793 states and 244690 transitions. Word has length 107 [2021-01-06 19:05:37,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:05:37,516 INFO L481 AbstractCegarLoop]: Abstraction has 136793 states and 244690 transitions. [2021-01-06 19:05:37,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 19:05:37,516 INFO L276 IsEmpty]: Start isEmpty. Operand 136793 states and 244690 transitions. [2021-01-06 19:05:37,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-01-06 19:05:37,575 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:05:37,575 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:05:37,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 19:05:37,575 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:05:37,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:05:37,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1539509120, now seen corresponding path program 1 times [2021-01-06 19:05:37,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:05:37,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869238256] [2021-01-06 19:05:37,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:05:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:05:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:05:37,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869238256] [2021-01-06 19:05:37,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597034222] [2021-01-06 19:05:37,691 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 [2021-01-06 19:05:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:05:38,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 19:05:38,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:05:38,211 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:05:38,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:05:38,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2021-01-06 19:05:38,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123235887] [2021-01-06 19:05:38,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 19:05:38,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:05:38,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 19:05:38,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:05:38,213 INFO L87 Difference]: Start difference. First operand 136793 states and 244690 transitions. Second operand 11 states. [2021-01-06 19:05:47,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:05:47,160 INFO L93 Difference]: Finished difference Result 211171 states and 376723 transitions. [2021-01-06 19:05:47,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-01-06 19:05:47,160 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 108 [2021-01-06 19:05:47,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:05:47,565 INFO L225 Difference]: With dead ends: 211171 [2021-01-06 19:05:47,566 INFO L226 Difference]: Without dead ends: 210921 [2021-01-06 19:05:47,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=281, Invalid=1125, Unknown=0, NotChecked=0, Total=1406 [2021-01-06 19:05:48,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210921 states. [2021-01-06 19:05:56,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210921 to 208018. [2021-01-06 19:05:56,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208018 states. [2021-01-06 19:05:57,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208018 states to 208018 states and 371787 transitions. [2021-01-06 19:05:57,474 INFO L78 Accepts]: Start accepts. Automaton has 208018 states and 371787 transitions. Word has length 108 [2021-01-06 19:05:57,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:05:57,474 INFO L481 AbstractCegarLoop]: Abstraction has 208018 states and 371787 transitions. [2021-01-06 19:05:57,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 19:05:57,474 INFO L276 IsEmpty]: Start isEmpty. Operand 208018 states and 371787 transitions. [2021-01-06 19:05:57,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-01-06 19:05:57,556 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:05:57,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:05:57,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-01-06 19:05:57,757 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:05:57,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:05:57,758 INFO L82 PathProgramCache]: Analyzing trace with hash 809566679, now seen corresponding path program 1 times [2021-01-06 19:05:57,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:05:57,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575243100] [2021-01-06 19:05:57,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:05:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:05:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:05:57,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575243100] [2021-01-06 19:05:57,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:05:57,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:05:57,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499007625] [2021-01-06 19:05:57,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:05:57,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:05:57,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:05:57,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:05:57,832 INFO L87 Difference]: Start difference. First operand 208018 states and 371787 transitions. Second operand 3 states. [2021-01-06 19:06:14,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:06:14,299 INFO L93 Difference]: Finished difference Result 609481 states and 1089561 transitions. [2021-01-06 19:06:14,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:06:14,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2021-01-06 19:06:14,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:06:15,608 INFO L225 Difference]: With dead ends: 609481 [2021-01-06 19:06:15,608 INFO L226 Difference]: Without dead ends: 404552 [2021-01-06 19:06:15,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:06:16,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404552 states.