/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_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:02:45,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:02:45,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:02:45,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:02:45,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:02:45,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:02:45,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:02:45,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:02:45,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:02:45,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:02:45,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:02:45,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:02:45,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:02:45,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:02:45,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:02:45,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:02:45,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:02:45,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:02:45,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:02:45,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:02:45,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:02:45,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:02:45,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:02:45,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:02:45,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:02:45,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:02:45,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:02:45,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:02:45,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:02:45,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:02:45,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:02:45,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:02:45,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:02:45,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:02:45,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:02:45,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:02:45,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:02:45,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:02:45,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:02:45,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:02:45,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:02:45,905 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 19:02:45,950 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:02:45,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:02:45,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:02:45,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:02:45,955 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:02:45,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:02:45,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:02:45,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:02:45,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:02:45,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:02:45,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:02:45,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:02:45,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:02:45,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:02:45,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:02:45,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:02:45,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:02:45,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:02:45,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:02:45,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:02:45,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:02:45,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:02:45,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:02:45,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:02:45,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:02:45,960 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:02:46,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:02:46,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:02:46,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:02:46,415 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:02:46,415 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:02:46,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product20.cil.c [2021-01-06 19:02:46,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7e97b988e/8835b5ab37b4497e83b7515bb532bfe3/FLAG01aff36c4 [2021-01-06 19:02:47,245 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:02:47,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product20.cil.c [2021-01-06 19:02:47,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7e97b988e/8835b5ab37b4497e83b7515bb532bfe3/FLAG01aff36c4 [2021-01-06 19:02:47,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7e97b988e/8835b5ab37b4497e83b7515bb532bfe3 [2021-01-06 19:02:47,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:02:47,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:02:47,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:02:47,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:02:47,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:02:47,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:02:47" (1/1) ... [2021-01-06 19:02:47,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1371c3af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:47, skipping insertion in model container [2021-01-06 19:02:47,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:02:47" (1/1) ... [2021-01-06 19:02:47,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:02:47,587 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] 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~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~6,] 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[~__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~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_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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~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_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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2021-01-06 19:02:47,994 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_product20.cil.c[19128,19141] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~3,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~4,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~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[~__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~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_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~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_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[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 19:02:48,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:02:48,257 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] 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~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~6,] 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[~__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~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_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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~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_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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2021-01-06 19:02:48,384 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_product20.cil.c[19128,19141] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~3,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~4,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~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[~__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~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_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~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_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[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 19:02:48,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:02:48,547 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:02:48,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:48 WrapperNode [2021-01-06 19:02:48,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:02:48,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:02:48,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:02:48,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:02:48,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:48" (1/1) ... [2021-01-06 19:02:48,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:48" (1/1) ... [2021-01-06 19:02:48,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:02:48,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:02:48,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:02:48,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:02:48,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:48" (1/1) ... [2021-01-06 19:02:48,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:48" (1/1) ... [2021-01-06 19:02:48,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:48" (1/1) ... [2021-01-06 19:02:48,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:48" (1/1) ... [2021-01-06 19:02:48,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:48" (1/1) ... [2021-01-06 19:02:48,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:48" (1/1) ... [2021-01-06 19:02:48,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:48" (1/1) ... [2021-01-06 19:02:48,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:02:48,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:02:48,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:02:48,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:02:48,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:48" (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 19:02:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 19:02:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:02:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:02:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:02:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:02:52,822 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:02:52,823 INFO L299 CfgBuilder]: Removed 541 assume(true) statements. [2021-01-06 19:02:52,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:02:52 BoogieIcfgContainer [2021-01-06 19:02:52,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:02:52,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:02:52,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:02:52,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:02:52,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:02:47" (1/3) ... [2021-01-06 19:02:52,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60efdfe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:02:52, skipping insertion in model container [2021-01-06 19:02:52,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:48" (2/3) ... [2021-01-06 19:02:52,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60efdfe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:02:52, skipping insertion in model container [2021-01-06 19:02:52,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:02:52" (3/3) ... [2021-01-06 19:02:52,834 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product20.cil.c [2021-01-06 19:02:52,841 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:02:52,846 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-06 19:02:52,864 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-06 19:02:52,895 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:02:52,895 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:02:52,896 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:02:52,896 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:02:52,896 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:02:52,896 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:02:52,896 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:02:52,896 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:02:52,927 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states. [2021-01-06 19:02:52,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 19:02:52,944 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:52,945 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 19:02:52,945 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:52,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:52,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1964609838, now seen corresponding path program 1 times [2021-01-06 19:02:52,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:52,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654991907] [2021-01-06 19:02:52,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:53,383 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 19:02:53,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654991907] [2021-01-06 19:02:53,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:53,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:53,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45173876] [2021-01-06 19:02:53,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:53,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:53,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:53,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:53,408 INFO L87 Difference]: Start difference. First operand 842 states. Second operand 3 states. [2021-01-06 19:02:53,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:53,598 INFO L93 Difference]: Finished difference Result 2491 states and 4352 transitions. [2021-01-06 19:02:53,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:53,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2021-01-06 19:02:53,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:53,635 INFO L225 Difference]: With dead ends: 2491 [2021-01-06 19:02:53,635 INFO L226 Difference]: Without dead ends: 1488 [2021-01-06 19:02:53,646 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 19:02:53,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1488 states. [2021-01-06 19:02:53,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1488 to 753. [2021-01-06 19:02:53,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2021-01-06 19:02:53,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1309 transitions. [2021-01-06 19:02:53,787 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1309 transitions. Word has length 44 [2021-01-06 19:02:53,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:53,787 INFO L481 AbstractCegarLoop]: Abstraction has 753 states and 1309 transitions. [2021-01-06 19:02:53,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:53,787 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1309 transitions. [2021-01-06 19:02:53,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-06 19:02:53,797 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:53,797 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:53,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:02:53,800 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:53,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:53,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1949327696, now seen corresponding path program 1 times [2021-01-06 19:02:53,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:53,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024902472] [2021-01-06 19:02:53,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:54,024 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 19:02:54,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024902472] [2021-01-06 19:02:54,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:54,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:02:54,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10073269] [2021-01-06 19:02:54,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:54,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:54,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:54,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:54,030 INFO L87 Difference]: Start difference. First operand 753 states and 1309 transitions. Second operand 5 states. [2021-01-06 19:02:54,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:54,354 INFO L93 Difference]: Finished difference Result 2208 states and 3843 transitions. [2021-01-06 19:02:54,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:02:54,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2021-01-06 19:02:54,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:54,365 INFO L225 Difference]: With dead ends: 2208 [2021-01-06 19:02:54,366 INFO L226 Difference]: Without dead ends: 1474 [2021-01-06 19:02:54,368 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 19:02:54,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2021-01-06 19:02:54,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 753. [2021-01-06 19:02:54,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2021-01-06 19:02:54,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1308 transitions. [2021-01-06 19:02:54,413 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1308 transitions. Word has length 46 [2021-01-06 19:02:54,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:54,413 INFO L481 AbstractCegarLoop]: Abstraction has 753 states and 1308 transitions. [2021-01-06 19:02:54,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:02:54,414 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1308 transitions. [2021-01-06 19:02:54,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 19:02:54,416 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:54,416 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 19:02:54,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:02:54,417 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:54,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:54,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1840202947, now seen corresponding path program 1 times [2021-01-06 19:02:54,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:54,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806816759] [2021-01-06 19:02:54,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:54,519 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 19:02:54,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806816759] [2021-01-06 19:02:54,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:54,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:54,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066144738] [2021-01-06 19:02:54,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:54,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:54,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:54,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:54,523 INFO L87 Difference]: Start difference. First operand 753 states and 1308 transitions. Second operand 3 states. [2021-01-06 19:02:54,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:54,590 INFO L93 Difference]: Finished difference Result 1488 states and 2590 transitions. [2021-01-06 19:02:54,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:54,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2021-01-06 19:02:54,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:54,596 INFO L225 Difference]: With dead ends: 1488 [2021-01-06 19:02:54,596 INFO L226 Difference]: Without dead ends: 758 [2021-01-06 19:02:54,598 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 19:02:54,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2021-01-06 19:02:54,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 753. [2021-01-06 19:02:54,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2021-01-06 19:02:54,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1307 transitions. [2021-01-06 19:02:54,629 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1307 transitions. Word has length 47 [2021-01-06 19:02:54,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:54,630 INFO L481 AbstractCegarLoop]: Abstraction has 753 states and 1307 transitions. [2021-01-06 19:02:54,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:54,630 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1307 transitions. [2021-01-06 19:02:54,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 19:02:54,632 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:54,632 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 19:02:54,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:02:54,632 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:54,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:54,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1288112515, now seen corresponding path program 1 times [2021-01-06 19:02:54,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:54,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575621761] [2021-01-06 19:02:54,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:54,742 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 19:02:54,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575621761] [2021-01-06 19:02:54,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:54,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:54,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068948605] [2021-01-06 19:02:54,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:54,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:54,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:54,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:54,747 INFO L87 Difference]: Start difference. First operand 753 states and 1307 transitions. Second operand 3 states. [2021-01-06 19:02:54,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:54,818 INFO L93 Difference]: Finished difference Result 1498 states and 2603 transitions. [2021-01-06 19:02:54,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:54,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-01-06 19:02:54,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:54,824 INFO L225 Difference]: With dead ends: 1498 [2021-01-06 19:02:54,824 INFO L226 Difference]: Without dead ends: 753 [2021-01-06 19:02:54,826 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 19:02:54,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2021-01-06 19:02:54,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 753. [2021-01-06 19:02:54,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2021-01-06 19:02:54,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1305 transitions. [2021-01-06 19:02:54,859 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1305 transitions. Word has length 48 [2021-01-06 19:02:54,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:54,859 INFO L481 AbstractCegarLoop]: Abstraction has 753 states and 1305 transitions. [2021-01-06 19:02:54,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:54,860 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1305 transitions. [2021-01-06 19:02:54,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 19:02:54,861 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:54,861 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] [2021-01-06 19:02:54,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:02:54,862 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:54,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:54,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1978940584, now seen corresponding path program 1 times [2021-01-06 19:02:54,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:54,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347900762] [2021-01-06 19:02:54,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:55,007 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 19:02:55,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347900762] [2021-01-06 19:02:55,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:55,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:02:55,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301368738] [2021-01-06 19:02:55,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:55,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:55,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:55,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:55,017 INFO L87 Difference]: Start difference. First operand 753 states and 1305 transitions. Second operand 5 states. [2021-01-06 19:02:55,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:55,285 INFO L93 Difference]: Finished difference Result 2198 states and 3823 transitions. [2021-01-06 19:02:55,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:02:55,287 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2021-01-06 19:02:55,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:55,297 INFO L225 Difference]: With dead ends: 2198 [2021-01-06 19:02:55,297 INFO L226 Difference]: Without dead ends: 1472 [2021-01-06 19:02:55,299 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 19:02:55,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2021-01-06 19:02:55,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 753. [2021-01-06 19:02:55,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2021-01-06 19:02:55,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1304 transitions. [2021-01-06 19:02:55,345 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1304 transitions. Word has length 49 [2021-01-06 19:02:55,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:55,345 INFO L481 AbstractCegarLoop]: Abstraction has 753 states and 1304 transitions. [2021-01-06 19:02:55,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:02:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1304 transitions. [2021-01-06 19:02:55,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 19:02:55,348 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:55,348 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] [2021-01-06 19:02:55,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:02:55,349 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:55,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:55,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1766093125, now seen corresponding path program 1 times [2021-01-06 19:02:55,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:55,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641511986] [2021-01-06 19:02:55,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:55,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641511986] [2021-01-06 19:02:55,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:55,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:02:55,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591808106] [2021-01-06 19:02:55,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:55,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:55,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:55,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:55,478 INFO L87 Difference]: Start difference. First operand 753 states and 1304 transitions. Second operand 5 states. [2021-01-06 19:02:55,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:55,750 INFO L93 Difference]: Finished difference Result 2203 states and 3828 transitions. [2021-01-06 19:02:55,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:02:55,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2021-01-06 19:02:55,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:55,760 INFO L225 Difference]: With dead ends: 2203 [2021-01-06 19:02:55,760 INFO L226 Difference]: Without dead ends: 1477 [2021-01-06 19:02:55,765 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 19:02:55,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2021-01-06 19:02:55,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 753. [2021-01-06 19:02:55,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2021-01-06 19:02:55,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1303 transitions. [2021-01-06 19:02:55,816 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1303 transitions. Word has length 50 [2021-01-06 19:02:55,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:55,816 INFO L481 AbstractCegarLoop]: Abstraction has 753 states and 1303 transitions. [2021-01-06 19:02:55,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:02:55,816 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1303 transitions. [2021-01-06 19:02:55,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 19:02:55,818 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:55,818 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] [2021-01-06 19:02:55,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:02:55,818 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:55,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:55,822 INFO L82 PathProgramCache]: Analyzing trace with hash 593791443, now seen corresponding path program 1 times [2021-01-06 19:02:55,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:55,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529757908] [2021-01-06 19:02:55,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:55,950 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 19:02:55,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529757908] [2021-01-06 19:02:55,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:55,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:55,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030836801] [2021-01-06 19:02:55,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:55,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:55,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:55,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:55,954 INFO L87 Difference]: Start difference. First operand 753 states and 1303 transitions. Second operand 3 states. [2021-01-06 19:02:56,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:56,008 INFO L93 Difference]: Finished difference Result 1225 states and 2100 transitions. [2021-01-06 19:02:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:56,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-01-06 19:02:56,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:56,013 INFO L225 Difference]: With dead ends: 1225 [2021-01-06 19:02:56,014 INFO L226 Difference]: Without dead ends: 756 [2021-01-06 19:02:56,015 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 19:02:56,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2021-01-06 19:02:56,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 755. [2021-01-06 19:02:56,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2021-01-06 19:02:56,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1305 transitions. [2021-01-06 19:02:56,068 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1305 transitions. Word has length 51 [2021-01-06 19:02:56,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:56,068 INFO L481 AbstractCegarLoop]: Abstraction has 755 states and 1305 transitions. [2021-01-06 19:02:56,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:56,069 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1305 transitions. [2021-01-06 19:02:56,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 19:02:56,070 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:56,071 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] [2021-01-06 19:02:56,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:02:56,071 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:56,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:56,072 INFO L82 PathProgramCache]: Analyzing trace with hash -524614719, now seen corresponding path program 1 times [2021-01-06 19:02:56,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:56,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147770894] [2021-01-06 19:02:56,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:56,152 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 19:02:56,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147770894] [2021-01-06 19:02:56,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:56,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:56,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077290343] [2021-01-06 19:02:56,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:56,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:56,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:56,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:56,155 INFO L87 Difference]: Start difference. First operand 755 states and 1305 transitions. Second operand 3 states. [2021-01-06 19:02:56,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:56,254 INFO L93 Difference]: Finished difference Result 2151 states and 3739 transitions. [2021-01-06 19:02:56,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:56,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2021-01-06 19:02:56,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:56,264 INFO L225 Difference]: With dead ends: 2151 [2021-01-06 19:02:56,264 INFO L226 Difference]: Without dead ends: 1427 [2021-01-06 19:02:56,267 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 19:02:56,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2021-01-06 19:02:56,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 958. [2021-01-06 19:02:56,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2021-01-06 19:02:56,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1680 transitions. [2021-01-06 19:02:56,327 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1680 transitions. Word has length 59 [2021-01-06 19:02:56,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:56,328 INFO L481 AbstractCegarLoop]: Abstraction has 958 states and 1680 transitions. [2021-01-06 19:02:56,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:56,329 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1680 transitions. [2021-01-06 19:02:56,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 19:02:56,330 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:56,330 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] [2021-01-06 19:02:56,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:02:56,331 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:56,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:56,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1580066592, now seen corresponding path program 1 times [2021-01-06 19:02:56,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:56,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625844527] [2021-01-06 19:02:56,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:56,434 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 19:02:56,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625844527] [2021-01-06 19:02:56,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:56,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:02:56,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351893441] [2021-01-06 19:02:56,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:56,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:56,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:56,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:56,442 INFO L87 Difference]: Start difference. First operand 958 states and 1680 transitions. Second operand 5 states. [2021-01-06 19:02:56,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:56,811 INFO L93 Difference]: Finished difference Result 2804 states and 4946 transitions. [2021-01-06 19:02:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:02:56,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-01-06 19:02:56,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:56,822 INFO L225 Difference]: With dead ends: 2804 [2021-01-06 19:02:56,822 INFO L226 Difference]: Without dead ends: 1877 [2021-01-06 19:02:56,824 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 19:02:56,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2021-01-06 19:02:56,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 958. [2021-01-06 19:02:56,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2021-01-06 19:02:56,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1678 transitions. [2021-01-06 19:02:56,899 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1678 transitions. Word has length 60 [2021-01-06 19:02:56,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:56,899 INFO L481 AbstractCegarLoop]: Abstraction has 958 states and 1678 transitions. [2021-01-06 19:02:56,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:02:56,900 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1678 transitions. [2021-01-06 19:02:56,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 19:02:56,901 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:56,901 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] [2021-01-06 19:02:56,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:02:56,902 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:56,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:56,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1435739255, now seen corresponding path program 1 times [2021-01-06 19:02:56,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:56,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463749533] [2021-01-06 19:02:56,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:56,968 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 19:02:56,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463749533] [2021-01-06 19:02:56,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:56,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:56,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939079706] [2021-01-06 19:02:56,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:56,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:56,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:56,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:56,973 INFO L87 Difference]: Start difference. First operand 958 states and 1678 transitions. Second operand 3 states. [2021-01-06 19:02:57,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:57,090 INFO L93 Difference]: Finished difference Result 2802 states and 4938 transitions. [2021-01-06 19:02:57,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:57,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 19:02:57,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:57,103 INFO L225 Difference]: With dead ends: 2802 [2021-01-06 19:02:57,103 INFO L226 Difference]: Without dead ends: 1875 [2021-01-06 19:02:57,105 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 19:02:57,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2021-01-06 19:02:57,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1406. [2021-01-06 19:02:57,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1406 states. [2021-01-06 19:02:57,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2505 transitions. [2021-01-06 19:02:57,195 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2505 transitions. Word has length 61 [2021-01-06 19:02:57,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:57,196 INFO L481 AbstractCegarLoop]: Abstraction has 1406 states and 2505 transitions. [2021-01-06 19:02:57,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:57,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2505 transitions. [2021-01-06 19:02:57,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 19:02:57,198 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:57,198 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] [2021-01-06 19:02:57,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:02:57,199 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:57,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:57,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1108375829, now seen corresponding path program 1 times [2021-01-06 19:02:57,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:57,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628509989] [2021-01-06 19:02:57,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:57,285 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 19:02:57,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628509989] [2021-01-06 19:02:57,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451559581] [2021-01-06 19:02:57,286 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 19:02:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:57,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:02:57,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:02:58,051 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 19:02:58,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 19:02:58,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 19:02:58,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445626565] [2021-01-06 19:02:58,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:58,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:58,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:58,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:58,054 INFO L87 Difference]: Start difference. First operand 1406 states and 2505 transitions. Second operand 3 states. [2021-01-06 19:02:58,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:58,286 INFO L93 Difference]: Finished difference Result 1788 states and 3147 transitions. [2021-01-06 19:02:58,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:58,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 19:02:58,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:58,296 INFO L225 Difference]: With dead ends: 1788 [2021-01-06 19:02:58,296 INFO L226 Difference]: Without dead ends: 1408 [2021-01-06 19:02:58,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 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 19:02:58,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2021-01-06 19:02:58,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1394. [2021-01-06 19:02:58,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2021-01-06 19:02:58,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 2487 transitions. [2021-01-06 19:02:58,383 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 2487 transitions. Word has length 61 [2021-01-06 19:02:58,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:58,384 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 2487 transitions. [2021-01-06 19:02:58,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:58,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2487 transitions. [2021-01-06 19:02:58,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-01-06 19:02:58,394 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:58,394 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, 1, 1] [2021-01-06 19:02:58,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 19:02:58,609 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:58,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:58,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1814237276, now seen corresponding path program 1 times [2021-01-06 19:02:58,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:58,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065785407] [2021-01-06 19:02:58,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:58,700 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 19:02:58,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065785407] [2021-01-06 19:02:58,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701782769] [2021-01-06 19:02:58,704 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 19:02:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:59,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:02:59,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:02:59,829 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 19:02:59,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:02:59,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 19:02:59,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966258111] [2021-01-06 19:02:59,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:59,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:59,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:59,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:59,831 INFO L87 Difference]: Start difference. First operand 1394 states and 2487 transitions. Second operand 5 states. [2021-01-06 19:03:00,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:00,015 INFO L93 Difference]: Finished difference Result 2570 states and 4515 transitions. [2021-01-06 19:03:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:03:00,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2021-01-06 19:03:00,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:00,027 INFO L225 Difference]: With dead ends: 2570 [2021-01-06 19:03:00,028 INFO L226 Difference]: Without dead ends: 2113 [2021-01-06 19:03:00,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 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 19:03:00,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2021-01-06 19:03:00,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 1653. [2021-01-06 19:03:00,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1653 states. [2021-01-06 19:03:00,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1653 states and 2959 transitions. [2021-01-06 19:03:00,148 INFO L78 Accepts]: Start accepts. Automaton has 1653 states and 2959 transitions. Word has length 95 [2021-01-06 19:03:00,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:00,148 INFO L481 AbstractCegarLoop]: Abstraction has 1653 states and 2959 transitions. [2021-01-06 19:03:00,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:03:00,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2959 transitions. [2021-01-06 19:03:00,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 19:03:00,153 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:00,154 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 19:03:00,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-06 19:03:00,369 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:00,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:00,371 INFO L82 PathProgramCache]: Analyzing trace with hash 501024545, now seen corresponding path program 1 times [2021-01-06 19:03:00,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:00,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047415797] [2021-01-06 19:03:00,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:00,446 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 19:03:00,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047415797] [2021-01-06 19:03:00,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:00,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:00,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157024441] [2021-01-06 19:03:00,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:00,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:00,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:00,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:00,449 INFO L87 Difference]: Start difference. First operand 1653 states and 2959 transitions. Second operand 3 states. [2021-01-06 19:03:00,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:00,637 INFO L93 Difference]: Finished difference Result 4550 states and 8169 transitions. [2021-01-06 19:03:00,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:00,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2021-01-06 19:03:00,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:00,654 INFO L225 Difference]: With dead ends: 4550 [2021-01-06 19:03:00,654 INFO L226 Difference]: Without dead ends: 2998 [2021-01-06 19:03:00,658 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 19:03:00,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2998 states. [2021-01-06 19:03:00,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2998 to 2541. [2021-01-06 19:03:00,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2541 states. [2021-01-06 19:03:00,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2541 states to 2541 states and 4592 transitions. [2021-01-06 19:03:00,819 INFO L78 Accepts]: Start accepts. Automaton has 2541 states and 4592 transitions. Word has length 99 [2021-01-06 19:03:00,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:00,820 INFO L481 AbstractCegarLoop]: Abstraction has 2541 states and 4592 transitions. [2021-01-06 19:03:00,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:00,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2541 states and 4592 transitions. [2021-01-06 19:03:00,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-01-06 19:03:00,827 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:00,827 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 19:03:00,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:03:00,827 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:00,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:00,828 INFO L82 PathProgramCache]: Analyzing trace with hash 2121008289, now seen corresponding path program 1 times [2021-01-06 19:03:00,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:00,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048168183] [2021-01-06 19:03:00,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:00,906 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 19:03:00,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048168183] [2021-01-06 19:03:00,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:00,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:00,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836886557] [2021-01-06 19:03:00,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:00,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:00,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:00,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:00,910 INFO L87 Difference]: Start difference. First operand 2541 states and 4592 transitions. Second operand 3 states. [2021-01-06 19:03:01,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:01,165 INFO L93 Difference]: Finished difference Result 6950 states and 12587 transitions. [2021-01-06 19:03:01,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:01,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2021-01-06 19:03:01,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:01,210 INFO L225 Difference]: With dead ends: 6950 [2021-01-06 19:03:01,210 INFO L226 Difference]: Without dead ends: 4544 [2021-01-06 19:03:01,214 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 19:03:01,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4544 states. [2021-01-06 19:03:01,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4544 to 4087. [2021-01-06 19:03:01,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4087 states. [2021-01-06 19:03:01,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4087 states to 4087 states and 7433 transitions. [2021-01-06 19:03:01,453 INFO L78 Accepts]: Start accepts. Automaton has 4087 states and 7433 transitions. Word has length 100 [2021-01-06 19:03:01,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:01,453 INFO L481 AbstractCegarLoop]: Abstraction has 4087 states and 7433 transitions. [2021-01-06 19:03:01,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:01,453 INFO L276 IsEmpty]: Start isEmpty. Operand 4087 states and 7433 transitions. [2021-01-06 19:03:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-01-06 19:03:01,464 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:01,464 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 19:03:01,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 19:03:01,464 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:01,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:01,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1460948242, now seen corresponding path program 1 times [2021-01-06 19:03:01,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:01,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084737472] [2021-01-06 19:03:01,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:01,549 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 19:03:01,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084737472] [2021-01-06 19:03:01,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:01,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:01,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673101416] [2021-01-06 19:03:01,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:01,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:01,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:01,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:01,553 INFO L87 Difference]: Start difference. First operand 4087 states and 7433 transitions. Second operand 3 states. [2021-01-06 19:03:01,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:01,977 INFO L93 Difference]: Finished difference Result 11304 states and 20593 transitions. [2021-01-06 19:03:01,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:01,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2021-01-06 19:03:01,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:01,998 INFO L225 Difference]: With dead ends: 11304 [2021-01-06 19:03:01,998 INFO L226 Difference]: Without dead ends: 7386 [2021-01-06 19:03:02,008 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 19:03:02,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7386 states. [2021-01-06 19:03:02,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7386 to 6929. [2021-01-06 19:03:02,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6929 states. [2021-01-06 19:03:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6929 states to 6929 states and 12650 transitions. [2021-01-06 19:03:02,449 INFO L78 Accepts]: Start accepts. Automaton has 6929 states and 12650 transitions. Word has length 101 [2021-01-06 19:03:02,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:02,450 INFO L481 AbstractCegarLoop]: Abstraction has 6929 states and 12650 transitions. [2021-01-06 19:03:02,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:02,450 INFO L276 IsEmpty]: Start isEmpty. Operand 6929 states and 12650 transitions. [2021-01-06 19:03:02,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 19:03:02,465 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:02,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:03:02,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 19:03:02,466 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:02,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:02,467 INFO L82 PathProgramCache]: Analyzing trace with hash -722685582, now seen corresponding path program 1 times [2021-01-06 19:03:02,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:02,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416230341] [2021-01-06 19:03:02,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:02,550 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 19:03:02,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416230341] [2021-01-06 19:03:02,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:02,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:02,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33496856] [2021-01-06 19:03:02,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:02,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:02,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:02,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:02,553 INFO L87 Difference]: Start difference. First operand 6929 states and 12650 transitions. Second operand 3 states. [2021-01-06 19:03:03,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:03,288 INFO L93 Difference]: Finished difference Result 20288 states and 37086 transitions. [2021-01-06 19:03:03,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:03,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2021-01-06 19:03:03,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:03,327 INFO L225 Difference]: With dead ends: 20288 [2021-01-06 19:03:03,328 INFO L226 Difference]: Without dead ends: 13532 [2021-01-06 19:03:03,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:03,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13532 states. [2021-01-06 19:03:04,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13532 to 13075. [2021-01-06 19:03:04,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13075 states. [2021-01-06 19:03:04,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13075 states to 13075 states and 23915 transitions. [2021-01-06 19:03:04,078 INFO L78 Accepts]: Start accepts. Automaton has 13075 states and 23915 transitions. Word has length 102 [2021-01-06 19:03:04,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:04,078 INFO L481 AbstractCegarLoop]: Abstraction has 13075 states and 23915 transitions. [2021-01-06 19:03:04,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:04,079 INFO L276 IsEmpty]: Start isEmpty. Operand 13075 states and 23915 transitions. [2021-01-06 19:03:04,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-06 19:03:04,105 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:04,106 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 19:03:04,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 19:03:04,106 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:04,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:04,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1725046849, now seen corresponding path program 1 times [2021-01-06 19:03:04,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:04,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925698950] [2021-01-06 19:03:04,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:04,176 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 19:03:04,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925698950] [2021-01-06 19:03:04,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:04,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:04,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966828646] [2021-01-06 19:03:04,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:04,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:04,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:04,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:04,181 INFO L87 Difference]: Start difference. First operand 13075 states and 23915 transitions. Second operand 3 states. [2021-01-06 19:03:05,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:05,483 INFO L93 Difference]: Finished difference Result 38428 states and 70356 transitions. [2021-01-06 19:03:05,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:05,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2021-01-06 19:03:05,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:05,555 INFO L225 Difference]: With dead ends: 38428 [2021-01-06 19:03:05,555 INFO L226 Difference]: Without dead ends: 25534 [2021-01-06 19:03:05,577 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 19:03:05,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25534 states. [2021-01-06 19:03:06,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25534 to 25077. [2021-01-06 19:03:06,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25077 states. [2021-01-06 19:03:06,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25077 states to 25077 states and 45900 transitions. [2021-01-06 19:03:06,635 INFO L78 Accepts]: Start accepts. Automaton has 25077 states and 45900 transitions. Word has length 103 [2021-01-06 19:03:06,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:06,635 INFO L481 AbstractCegarLoop]: Abstraction has 25077 states and 45900 transitions. [2021-01-06 19:03:06,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:06,635 INFO L276 IsEmpty]: Start isEmpty. Operand 25077 states and 45900 transitions. [2021-01-06 19:03:06,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-01-06 19:03:06,668 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:06,668 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] [2021-01-06 19:03:06,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 19:03:06,669 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:06,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:06,670 INFO L82 PathProgramCache]: Analyzing trace with hash 137365684, now seen corresponding path program 1 times [2021-01-06 19:03:06,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:06,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21664890] [2021-01-06 19:03:06,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:06,737 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 19:03:06,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21664890] [2021-01-06 19:03:06,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:06,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:06,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790202741] [2021-01-06 19:03:06,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:06,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:06,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:06,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:06,740 INFO L87 Difference]: Start difference. First operand 25077 states and 45900 transitions. Second operand 3 states. [2021-01-06 19:03:08,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:08,385 INFO L93 Difference]: Finished difference Result 69073 states and 126047 transitions. [2021-01-06 19:03:08,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:08,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2021-01-06 19:03:08,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:08,523 INFO L225 Difference]: With dead ends: 69073 [2021-01-06 19:03:08,523 INFO L226 Difference]: Without dead ends: 44224 [2021-01-06 19:03:08,562 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 19:03:08,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44224 states. [2021-01-06 19:03:10,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44224 to 43767. [2021-01-06 19:03:10,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43767 states. [2021-01-06 19:03:10,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43767 states to 43767 states and 79629 transitions. [2021-01-06 19:03:10,490 INFO L78 Accepts]: Start accepts. Automaton has 43767 states and 79629 transitions. Word has length 104 [2021-01-06 19:03:10,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:10,490 INFO L481 AbstractCegarLoop]: Abstraction has 43767 states and 79629 transitions. [2021-01-06 19:03:10,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:10,490 INFO L276 IsEmpty]: Start isEmpty. Operand 43767 states and 79629 transitions. [2021-01-06 19:03:10,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 19:03:10,523 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:10,523 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 19:03:10,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 19:03:10,523 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:10,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:10,524 INFO L82 PathProgramCache]: Analyzing trace with hash -889039160, now seen corresponding path program 1 times [2021-01-06 19:03:10,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:10,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500990966] [2021-01-06 19:03:10,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:10,613 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 19:03:10,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500990966] [2021-01-06 19:03:10,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:10,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:03:10,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500242962] [2021-01-06 19:03:10,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:03:10,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:10,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:03:10,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:10,619 INFO L87 Difference]: Start difference. First operand 43767 states and 79629 transitions. Second operand 5 states. [2021-01-06 19:03:13,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:13,918 INFO L93 Difference]: Finished difference Result 128918 states and 234536 transitions. [2021-01-06 19:03:13,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:03:13,919 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2021-01-06 19:03:13,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:14,124 INFO L225 Difference]: With dead ends: 128918 [2021-01-06 19:03:14,125 INFO L226 Difference]: Without dead ends: 85447 [2021-01-06 19:03:14,183 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 19:03:14,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85447 states. [2021-01-06 19:03:16,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85447 to 43767. [2021-01-06 19:03:16,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43767 states. [2021-01-06 19:03:16,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43767 states to 43767 states and 79371 transitions. [2021-01-06 19:03:16,523 INFO L78 Accepts]: Start accepts. Automaton has 43767 states and 79371 transitions. Word has length 105 [2021-01-06 19:03:16,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:16,523 INFO L481 AbstractCegarLoop]: Abstraction has 43767 states and 79371 transitions. [2021-01-06 19:03:16,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:03:16,523 INFO L276 IsEmpty]: Start isEmpty. Operand 43767 states and 79371 transitions. [2021-01-06 19:03:16,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 19:03:16,548 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:16,548 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, 1, 1] [2021-01-06 19:03:16,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 19:03:16,549 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:16,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:16,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1861188634, now seen corresponding path program 2 times [2021-01-06 19:03:16,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:16,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025885026] [2021-01-06 19:03:16,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:16,629 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 19:03:16,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025885026] [2021-01-06 19:03:16,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:16,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:16,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544408576] [2021-01-06 19:03:16,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:16,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:16,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:16,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:16,632 INFO L87 Difference]: Start difference. First operand 43767 states and 79371 transitions. Second operand 3 states. [2021-01-06 19:03:18,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:18,272 INFO L93 Difference]: Finished difference Result 87689 states and 159001 transitions. [2021-01-06 19:03:18,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:18,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2021-01-06 19:03:18,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:18,331 INFO L225 Difference]: With dead ends: 87689 [2021-01-06 19:03:18,331 INFO L226 Difference]: Without dead ends: 44224 [2021-01-06 19:03:18,360 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 19:03:18,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44224 states. [2021-01-06 19:03:20,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44224 to 43767. [2021-01-06 19:03:20,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43767 states. [2021-01-06 19:03:20,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43767 states to 43767 states and 79243 transitions. [2021-01-06 19:03:20,295 INFO L78 Accepts]: Start accepts. Automaton has 43767 states and 79243 transitions. Word has length 105 [2021-01-06 19:03:20,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:20,296 INFO L481 AbstractCegarLoop]: Abstraction has 43767 states and 79243 transitions. [2021-01-06 19:03:20,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:20,296 INFO L276 IsEmpty]: Start isEmpty. Operand 43767 states and 79243 transitions. [2021-01-06 19:03:20,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 19:03:20,321 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:20,321 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] [2021-01-06 19:03:20,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 19:03:20,322 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:20,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:20,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1384588013, now seen corresponding path program 1 times [2021-01-06 19:03:20,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:20,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314160428] [2021-01-06 19:03:20,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:20,386 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 19:03:20,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314160428] [2021-01-06 19:03:20,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:20,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:20,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457164689] [2021-01-06 19:03:20,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:20,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:20,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:20,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:20,388 INFO L87 Difference]: Start difference. First operand 43767 states and 79243 transitions. Second operand 3 states. [2021-01-06 19:03:23,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:23,149 INFO L93 Difference]: Finished difference Result 122803 states and 222179 transitions. [2021-01-06 19:03:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:23,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2021-01-06 19:03:23,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:23,282 INFO L225 Difference]: With dead ends: 122803 [2021-01-06 19:03:23,282 INFO L226 Difference]: Without dead ends: 79298 [2021-01-06 19:03:23,477 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 19:03:23,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79298 states. [2021-01-06 19:03:26,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79298 to 78841. [2021-01-06 19:03:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78841 states. [2021-01-06 19:03:27,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78841 states to 78841 states and 142348 transitions. [2021-01-06 19:03:27,063 INFO L78 Accepts]: Start accepts. Automaton has 78841 states and 142348 transitions. Word has length 105 [2021-01-06 19:03:27,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:27,063 INFO L481 AbstractCegarLoop]: Abstraction has 78841 states and 142348 transitions. [2021-01-06 19:03:27,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:27,063 INFO L276 IsEmpty]: Start isEmpty. Operand 78841 states and 142348 transitions. [2021-01-06 19:03:27,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 19:03:27,153 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:27,154 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 19:03:27,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 19:03:27,154 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:27,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:27,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1161868076, now seen corresponding path program 1 times [2021-01-06 19:03:27,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:27,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413309615] [2021-01-06 19:03:27,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:27,302 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 19:03:27,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413309615] [2021-01-06 19:03:27,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:27,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:03:27,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320806751] [2021-01-06 19:03:27,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:03:27,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:27,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:03:27,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:03:27,304 INFO L87 Difference]: Start difference. First operand 78841 states and 142348 transitions. Second operand 9 states. [2021-01-06 19:03:34,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:34,839 INFO L93 Difference]: Finished difference Result 160458 states and 289310 transitions. [2021-01-06 19:03:34,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-06 19:03:34,840 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2021-01-06 19:03:34,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:35,127 INFO L225 Difference]: With dead ends: 160458 [2021-01-06 19:03:35,128 INFO L226 Difference]: Without dead ends: 160058 [2021-01-06 19:03:35,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552 [2021-01-06 19:03:35,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160058 states. [2021-01-06 19:03:41,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160058 to 157411. [2021-01-06 19:03:41,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157411 states. [2021-01-06 19:03:41,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157411 states to 157411 states and 284240 transitions. [2021-01-06 19:03:41,743 INFO L78 Accepts]: Start accepts. Automaton has 157411 states and 284240 transitions. Word has length 106 [2021-01-06 19:03:41,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:41,743 INFO L481 AbstractCegarLoop]: Abstraction has 157411 states and 284240 transitions. [2021-01-06 19:03:41,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:03:41,743 INFO L276 IsEmpty]: Start isEmpty. Operand 157411 states and 284240 transitions. [2021-01-06 19:03:41,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 19:03:41,831 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:41,831 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 19:03:41,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 19:03:41,832 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:41,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:41,833 INFO L82 PathProgramCache]: Analyzing trace with hash -724498965, now seen corresponding path program 1 times [2021-01-06 19:03:41,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:41,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527539439] [2021-01-06 19:03:41,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:42,315 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 19:03:42,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527539439] [2021-01-06 19:03:42,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:42,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:03:42,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053824711] [2021-01-06 19:03:42,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:03:42,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:42,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:03:42,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:03:42,322 INFO L87 Difference]: Start difference. First operand 157411 states and 284240 transitions. Second operand 4 states. [2021-01-06 19:03:47,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:47,475 INFO L93 Difference]: Finished difference Result 158237 states and 285633 transitions. [2021-01-06 19:03:47,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:03:47,476 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2021-01-06 19:03:47,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:47,777 INFO L225 Difference]: With dead ends: 158237 [2021-01-06 19:03:47,777 INFO L226 Difference]: Without dead ends: 157785 [2021-01-06 19:03:47,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:03:47,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157785 states. [2021-01-06 19:03:54,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157785 to 157410. [2021-01-06 19:03:54,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157410 states. [2021-01-06 19:03:54,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157410 states to 157410 states and 284236 transitions. [2021-01-06 19:03:54,855 INFO L78 Accepts]: Start accepts. Automaton has 157410 states and 284236 transitions. Word has length 107 [2021-01-06 19:03:54,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:54,855 INFO L481 AbstractCegarLoop]: Abstraction has 157410 states and 284236 transitions. [2021-01-06 19:03:54,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:03:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand 157410 states and 284236 transitions. [2021-01-06 19:03:54,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-01-06 19:03:54,933 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:54,933 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 19:03:54,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 19:03:54,934 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:54,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:54,934 INFO L82 PathProgramCache]: Analyzing trace with hash 2020895860, now seen corresponding path program 1 times [2021-01-06 19:03:54,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:54,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716362779] [2021-01-06 19:03:54,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:55,019 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:03:55,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716362779] [2021-01-06 19:03:55,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:55,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:55,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468039752] [2021-01-06 19:03:55,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:03:55,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:55,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:03:55,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:03:55,021 INFO L87 Difference]: Start difference. First operand 157410 states and 284236 transitions. Second operand 4 states. [2021-01-06 19:04:02,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:02,929 INFO L93 Difference]: Finished difference Result 238324 states and 430048 transitions. [2021-01-06 19:04:02,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:04:02,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2021-01-06 19:04:02,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:03,418 INFO L225 Difference]: With dead ends: 238324 [2021-01-06 19:04:03,418 INFO L226 Difference]: Without dead ends: 237639 [2021-01-06 19:04:03,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 19:04:03,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237639 states. [2021-01-06 19:04:13,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237639 to 236276. [2021-01-06 19:04:13,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236276 states. [2021-01-06 19:04:13,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236276 states to 236276 states and 426627 transitions. [2021-01-06 19:04:13,917 INFO L78 Accepts]: Start accepts. Automaton has 236276 states and 426627 transitions. Word has length 108 [2021-01-06 19:04:13,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:13,918 INFO L481 AbstractCegarLoop]: Abstraction has 236276 states and 426627 transitions. [2021-01-06 19:04:13,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:04:13,918 INFO L276 IsEmpty]: Start isEmpty. Operand 236276 states and 426627 transitions. [2021-01-06 19:04:14,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-01-06 19:04:14,006 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:14,006 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 19:04:14,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 19:04:14,006 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:04:14,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:14,007 INFO L82 PathProgramCache]: Analyzing trace with hash -334909390, now seen corresponding path program 1 times [2021-01-06 19:04:14,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:14,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388014280] [2021-01-06 19:04:14,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:14,185 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 19:04:14,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388014280] [2021-01-06 19:04:14,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:14,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 19:04:14,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268332210] [2021-01-06 19:04:14,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 19:04:14,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:14,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 19:04:14,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:04:14,187 INFO L87 Difference]: Start difference. First operand 236276 states and 426627 transitions. Second operand 10 states. [2021-01-06 19:04:24,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:24,977 INFO L93 Difference]: Finished difference Result 243460 states and 438755 transitions. [2021-01-06 19:04:24,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-06 19:04:24,977 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 108 [2021-01-06 19:04:24,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:25,451 INFO L225 Difference]: With dead ends: 243460 [2021-01-06 19:04:25,451 INFO L226 Difference]: Without dead ends: 242282 [2021-01-06 19:04:25,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=290, Invalid=766, Unknown=0, NotChecked=0, Total=1056 [2021-01-06 19:04:25,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242282 states. [2021-01-06 19:04:37,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242282 to 236605. [2021-01-06 19:04:37,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236605 states. [2021-01-06 19:04:38,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236605 states to 236605 states and 427152 transitions. [2021-01-06 19:04:38,569 INFO L78 Accepts]: Start accepts. Automaton has 236605 states and 427152 transitions. Word has length 108 [2021-01-06 19:04:38,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:04:38,569 INFO L481 AbstractCegarLoop]: Abstraction has 236605 states and 427152 transitions. [2021-01-06 19:04:38,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 19:04:38,570 INFO L276 IsEmpty]: Start isEmpty. Operand 236605 states and 427152 transitions. [2021-01-06 19:04:38,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 19:04:38,671 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:04:38,671 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, 1] [2021-01-06 19:04:38,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 19:04:38,671 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:04:38,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:04:38,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1719585560, now seen corresponding path program 1 times [2021-01-06 19:04:38,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:04:38,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634458286] [2021-01-06 19:04:38,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:04:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:04:38,880 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 19:04:38,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634458286] [2021-01-06 19:04:38,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:04:38,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 19:04:38,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303747018] [2021-01-06 19:04:38,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 19:04:38,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:04:38,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 19:04:38,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:04:38,883 INFO L87 Difference]: Start difference. First operand 236605 states and 427152 transitions. Second operand 11 states. [2021-01-06 19:04:50,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:04:50,369 INFO L93 Difference]: Finished difference Result 244083 states and 439756 transitions. [2021-01-06 19:04:50,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-01-06 19:04:50,369 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 109 [2021-01-06 19:04:50,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:04:51,053 INFO L225 Difference]: With dead ends: 244083 [2021-01-06 19:04:51,053 INFO L226 Difference]: Without dead ends: 242848 [2021-01-06 19:04:51,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=419, Invalid=1221, Unknown=0, NotChecked=0, Total=1640 [2021-01-06 19:04:51,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242848 states. [2021-01-06 19:05:00,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242848 to 236996. [2021-01-06 19:05:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236996 states. [2021-01-06 19:05:01,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236996 states to 236996 states and 427798 transitions. [2021-01-06 19:05:01,665 INFO L78 Accepts]: Start accepts. Automaton has 236996 states and 427798 transitions. Word has length 109 [2021-01-06 19:05:01,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:05:01,665 INFO L481 AbstractCegarLoop]: Abstraction has 236996 states and 427798 transitions. [2021-01-06 19:05:01,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 19:05:01,665 INFO L276 IsEmpty]: Start isEmpty. Operand 236996 states and 427798 transitions. [2021-01-06 19:05:01,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 19:05:01,762 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:05:01,762 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, 1] [2021-01-06 19:05:01,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 19:05:01,762 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:05:01,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:05:01,763 INFO L82 PathProgramCache]: Analyzing trace with hash -528401678, now seen corresponding path program 1 times [2021-01-06 19:05:01,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:05:01,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426139296] [2021-01-06 19:05:01,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:05:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:05:01,909 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 19:05:01,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426139296] [2021-01-06 19:05:01,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:05:01,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 19:05:01,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388783608] [2021-01-06 19:05:01,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:05:01,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:05:01,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:05:01,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:05:01,911 INFO L87 Difference]: Start difference. First operand 236996 states and 427798 transitions. Second operand 9 states. [2021-01-06 19:05:10,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:05:10,794 INFO L93 Difference]: Finished difference Result 239362 states and 431788 transitions. [2021-01-06 19:05:10,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 19:05:10,794 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 109 [2021-01-06 19:05:10,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:05:11,454 INFO L225 Difference]: With dead ends: 239362 [2021-01-06 19:05:11,454 INFO L226 Difference]: Without dead ends: 237133 [2021-01-06 19:05:11,510 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2021-01-06 19:05:11,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237133 states. [2021-01-06 19:05:21,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237133 to 236572. [2021-01-06 19:05:21,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236572 states. [2021-01-06 19:05:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236572 states to 236572 states and 427065 transitions. [2021-01-06 19:05:22,418 INFO L78 Accepts]: Start accepts. Automaton has 236572 states and 427065 transitions. Word has length 109 [2021-01-06 19:05:22,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:05:22,419 INFO L481 AbstractCegarLoop]: Abstraction has 236572 states and 427065 transitions. [2021-01-06 19:05:22,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:05:22,419 INFO L276 IsEmpty]: Start isEmpty. Operand 236572 states and 427065 transitions. [2021-01-06 19:05:22,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 19:05:22,510 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:05:22,510 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, 1, 1] [2021-01-06 19:05:22,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 19:05:22,510 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:05:22,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:05:22,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1166016658, now seen corresponding path program 1 times [2021-01-06 19:05:22,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:05:22,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639223208] [2021-01-06 19:05:22,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:05:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:05:22,621 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 19:05:22,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639223208] [2021-01-06 19:05:22,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:05:22,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:05:22,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088931527] [2021-01-06 19:05:22,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:05:22,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:05:22,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:05:22,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:05:22,623 INFO L87 Difference]: Start difference. First operand 236572 states and 427065 transitions. Second operand 6 states. [2021-01-06 19:05:36,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:05:36,993 INFO L93 Difference]: Finished difference Result 358720 states and 646643 transitions. [2021-01-06 19:05:36,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:05:36,995 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2021-01-06 19:05:36,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:05:37,956 INFO L225 Difference]: With dead ends: 358720 [2021-01-06 19:05:37,956 INFO L226 Difference]: Without dead ends: 357505 [2021-01-06 19:05:38,051 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:05:38,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357505 states. [2021-01-06 19:05:53,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357505 to 354229. [2021-01-06 19:05:53,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354229 states. [2021-01-06 19:05:54,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354229 states to 354229 states and 639122 transitions. [2021-01-06 19:05:54,564 INFO L78 Accepts]: Start accepts. Automaton has 354229 states and 639122 transitions. Word has length 110 [2021-01-06 19:05:54,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:05:54,564 INFO L481 AbstractCegarLoop]: Abstraction has 354229 states and 639122 transitions. [2021-01-06 19:05:54,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:05:54,564 INFO L276 IsEmpty]: Start isEmpty. Operand 354229 states and 639122 transitions. [2021-01-06 19:05:55,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 19:05:55,398 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:05:55,398 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:05:55,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 19:05:55,398 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:05:55,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:05:55,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1563326913, now seen corresponding path program 1 times [2021-01-06 19:05:55,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:05:55,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260458383] [2021-01-06 19:05:55,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:05:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:05:55,473 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 19:05:55,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260458383] [2021-01-06 19:05:55,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:05:55,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:05:55,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318666077] [2021-01-06 19:05:55,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:05:55,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:05:55,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:05:55,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:05:55,476 INFO L87 Difference]: Start difference. First operand 354229 states and 639122 transitions. Second operand 3 states.