/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_spec27_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:51:00,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:51:00,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:51:00,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:51:00,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:51:00,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:51:00,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:51:00,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:51:00,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:51:00,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:51:00,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:51:00,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:51:00,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:51:00,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:51:00,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:51:00,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:51:00,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:51:00,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:51:00,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:51:00,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:51:00,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:51:00,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:51:00,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:51:00,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:51:00,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:51:00,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:51:00,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:51:00,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:51:00,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:51:00,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:51:00,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:51:00,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:51:00,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:51:00,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:51:00,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:51:00,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:51:00,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:51:00,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:51:00,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:51:00,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:51:00,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:51:00,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:51:01,015 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:51:01,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:51:01,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:51:01,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:51:01,020 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:51:01,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:51:01,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:51:01,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:51:01,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:51:01,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:51:01,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:51:01,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:51:01,023 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:51:01,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:51:01,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:51:01,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:51:01,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:51:01,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:51:01,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:51:01,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:51:01,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:51:01,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:51:01,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:51:01,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:51:01,027 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:51:01,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:51:01,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:51:01,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:51:01,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:51:01,434 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:51:01,435 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:51:01,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product13.cil.c [2020-12-23 08:51:01,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ffda3c1b5/d5681469f3e041ac98c115985b62387f/FLAGed0ba2f6e [2020-12-23 08:51:02,353 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:51:02,353 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c [2020-12-23 08:51:02,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ffda3c1b5/d5681469f3e041ac98c115985b62387f/FLAGed0ba2f6e [2020-12-23 08:51:02,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ffda3c1b5/d5681469f3e041ac98c115985b62387f [2020-12-23 08:51:02,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:51:02,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:51:02,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:51:02,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:51:02,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:51:02,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:51:02" (1/1) ... [2020-12-23 08:51:02,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f6e1171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:02, skipping insertion in model container [2020-12-23 08:51:02,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:51:02" (1/1) ... [2020-12-23 08:51:02,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:51:02,633 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] 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~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~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_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~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_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~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_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~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_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~13,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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~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[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~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_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~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_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] 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_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2020-12-23 08:51:03,482 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_spec27_product13.cil.c[61363,61376] [2020-12-23 08:51:03,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:51:03,503 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] 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~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~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_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~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_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~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_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~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_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~13,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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~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[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~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_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~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_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] 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_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2020-12-23 08:51:03,651 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_spec27_product13.cil.c[61363,61376] [2020-12-23 08:51:03,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:51:03,735 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:51:03,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:03 WrapperNode [2020-12-23 08:51:03,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:51:03,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:51:03,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:51:03,738 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:51:03,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:03" (1/1) ... [2020-12-23 08:51:03,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:03" (1/1) ... [2020-12-23 08:51:03,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:51:03,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:51:03,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:51:03,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:51:03,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:03" (1/1) ... [2020-12-23 08:51:03,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:03" (1/1) ... [2020-12-23 08:51:03,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:03" (1/1) ... [2020-12-23 08:51:03,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:03" (1/1) ... [2020-12-23 08:51:03,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:03" (1/1) ... [2020-12-23 08:51:04,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:03" (1/1) ... [2020-12-23 08:51:04,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:03" (1/1) ... [2020-12-23 08:51:04,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:51:04,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:51:04,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:51:04,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:51:04,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:51:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:51:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:51:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:51:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:51:04,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:51:06,821 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:51:06,821 INFO L299 CfgBuilder]: Removed 239 assume(true) statements. [2020-12-23 08:51:06,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:51:06 BoogieIcfgContainer [2020-12-23 08:51:06,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:51:06,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:51:06,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:51:06,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:51:06,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:51:02" (1/3) ... [2020-12-23 08:51:06,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a136b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:51:06, skipping insertion in model container [2020-12-23 08:51:06,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:03" (2/3) ... [2020-12-23 08:51:06,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a136b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:51:06, skipping insertion in model container [2020-12-23 08:51:06,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:51:06" (3/3) ... [2020-12-23 08:51:06,834 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product13.cil.c [2020-12-23 08:51:06,841 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:51:06,847 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:51:06,868 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:51:06,900 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:51:06,900 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:51:06,900 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:51:06,900 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:51:06,900 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:51:06,900 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:51:06,900 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:51:06,901 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:51:06,926 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states. [2020-12-23 08:51:06,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 08:51:06,940 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:06,942 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:06,942 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:06,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:06,949 INFO L82 PathProgramCache]: Analyzing trace with hash -194309687, now seen corresponding path program 1 times [2020-12-23 08:51:06,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:06,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959371656] [2020-12-23 08:51:06,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:07,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959371656] [2020-12-23 08:51:07,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:07,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:07,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802961211] [2020-12-23 08:51:07,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:07,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:07,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:07,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:07,452 INFO L87 Difference]: Start difference. First operand 401 states. Second operand 3 states. [2020-12-23 08:51:07,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:07,651 INFO L93 Difference]: Finished difference Result 1168 states and 2063 transitions. [2020-12-23 08:51:07,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:07,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 08:51:07,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:07,687 INFO L225 Difference]: With dead ends: 1168 [2020-12-23 08:51:07,687 INFO L226 Difference]: Without dead ends: 772 [2020-12-23 08:51:07,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:07,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-12-23 08:51:07,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 395. [2020-12-23 08:51:07,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-12-23 08:51:07,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 691 transitions. [2020-12-23 08:51:07,781 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 691 transitions. Word has length 48 [2020-12-23 08:51:07,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:07,784 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 691 transitions. [2020-12-23 08:51:07,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:07,785 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 691 transitions. [2020-12-23 08:51:07,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 08:51:07,792 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:07,792 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:07,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:51:07,793 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:07,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:07,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1702143685, now seen corresponding path program 1 times [2020-12-23 08:51:07,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:07,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912204585] [2020-12-23 08:51:07,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:08,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:08,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912204585] [2020-12-23 08:51:08,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:08,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:08,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235537339] [2020-12-23 08:51:08,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:08,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:08,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:08,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:08,066 INFO L87 Difference]: Start difference. First operand 395 states and 691 transitions. Second operand 5 states. [2020-12-23 08:51:08,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:08,348 INFO L93 Difference]: Finished difference Result 1134 states and 1989 transitions. [2020-12-23 08:51:08,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:51:08,349 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 08:51:08,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:08,355 INFO L225 Difference]: With dead ends: 1134 [2020-12-23 08:51:08,355 INFO L226 Difference]: Without dead ends: 758 [2020-12-23 08:51:08,357 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:51:08,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-12-23 08:51:08,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 395. [2020-12-23 08:51:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-12-23 08:51:08,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 690 transitions. [2020-12-23 08:51:08,391 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 690 transitions. Word has length 50 [2020-12-23 08:51:08,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:08,391 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 690 transitions. [2020-12-23 08:51:08,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:08,392 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 690 transitions. [2020-12-23 08:51:08,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 08:51:08,396 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:08,396 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:08,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:51:08,396 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:08,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:08,397 INFO L82 PathProgramCache]: Analyzing trace with hash 182544200, now seen corresponding path program 1 times [2020-12-23 08:51:08,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:08,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359090745] [2020-12-23 08:51:08,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:08,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:08,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359090745] [2020-12-23 08:51:08,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:08,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:08,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259053734] [2020-12-23 08:51:08,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:08,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:08,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:08,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:08,512 INFO L87 Difference]: Start difference. First operand 395 states and 690 transitions. Second operand 3 states. [2020-12-23 08:51:08,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:08,573 INFO L93 Difference]: Finished difference Result 772 states and 1354 transitions. [2020-12-23 08:51:08,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:08,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 08:51:08,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:08,578 INFO L225 Difference]: With dead ends: 772 [2020-12-23 08:51:08,578 INFO L226 Difference]: Without dead ends: 400 [2020-12-23 08:51:08,579 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:08,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-12-23 08:51:08,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 395. [2020-12-23 08:51:08,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-12-23 08:51:08,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 689 transitions. [2020-12-23 08:51:08,600 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 689 transitions. Word has length 51 [2020-12-23 08:51:08,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:08,601 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 689 transitions. [2020-12-23 08:51:08,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 689 transitions. [2020-12-23 08:51:08,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 08:51:08,604 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:08,604 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:08,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:51:08,605 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:08,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:08,605 INFO L82 PathProgramCache]: Analyzing trace with hash -379903346, now seen corresponding path program 1 times [2020-12-23 08:51:08,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:08,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974614223] [2020-12-23 08:51:08,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:08,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:08,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974614223] [2020-12-23 08:51:08,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:08,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:08,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593154986] [2020-12-23 08:51:08,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:08,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:08,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:08,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:08,705 INFO L87 Difference]: Start difference. First operand 395 states and 689 transitions. Second operand 3 states. [2020-12-23 08:51:08,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:08,762 INFO L93 Difference]: Finished difference Result 782 states and 1367 transitions. [2020-12-23 08:51:08,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:08,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-23 08:51:08,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:08,767 INFO L225 Difference]: With dead ends: 782 [2020-12-23 08:51:08,767 INFO L226 Difference]: Without dead ends: 395 [2020-12-23 08:51:08,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:08,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-12-23 08:51:08,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2020-12-23 08:51:08,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-12-23 08:51:08,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 687 transitions. [2020-12-23 08:51:08,807 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 687 transitions. Word has length 52 [2020-12-23 08:51:08,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:08,810 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 687 transitions. [2020-12-23 08:51:08,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 687 transitions. [2020-12-23 08:51:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 08:51:08,811 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:08,812 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] [2020-12-23 08:51:08,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:51:08,812 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:08,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:08,813 INFO L82 PathProgramCache]: Analyzing trace with hash 525658595, now seen corresponding path program 1 times [2020-12-23 08:51:08,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:08,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140285073] [2020-12-23 08:51:08,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:08,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:08,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140285073] [2020-12-23 08:51:08,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:08,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:08,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724391856] [2020-12-23 08:51:08,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:08,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:08,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:08,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:08,978 INFO L87 Difference]: Start difference. First operand 395 states and 687 transitions. Second operand 5 states. [2020-12-23 08:51:09,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:09,232 INFO L93 Difference]: Finished difference Result 1124 states and 1969 transitions. [2020-12-23 08:51:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:51:09,236 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-12-23 08:51:09,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:09,241 INFO L225 Difference]: With dead ends: 1124 [2020-12-23 08:51:09,242 INFO L226 Difference]: Without dead ends: 756 [2020-12-23 08:51:09,243 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:09,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-12-23 08:51:09,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 395. [2020-12-23 08:51:09,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-12-23 08:51:09,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 686 transitions. [2020-12-23 08:51:09,275 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 686 transitions. Word has length 53 [2020-12-23 08:51:09,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:09,275 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 686 transitions. [2020-12-23 08:51:09,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:09,276 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 686 transitions. [2020-12-23 08:51:09,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 08:51:09,278 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:09,278 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:09,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:51:09,279 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:09,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:09,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1855605702, now seen corresponding path program 1 times [2020-12-23 08:51:09,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:09,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88691612] [2020-12-23 08:51:09,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:09,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:09,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88691612] [2020-12-23 08:51:09,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:09,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:09,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455201230] [2020-12-23 08:51:09,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:09,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:09,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:09,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:09,412 INFO L87 Difference]: Start difference. First operand 395 states and 686 transitions. Second operand 5 states. [2020-12-23 08:51:09,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:09,680 INFO L93 Difference]: Finished difference Result 1129 states and 1974 transitions. [2020-12-23 08:51:09,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:51:09,681 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-23 08:51:09,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:09,686 INFO L225 Difference]: With dead ends: 1129 [2020-12-23 08:51:09,686 INFO L226 Difference]: Without dead ends: 761 [2020-12-23 08:51:09,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:09,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2020-12-23 08:51:09,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 395. [2020-12-23 08:51:09,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-12-23 08:51:09,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 685 transitions. [2020-12-23 08:51:09,737 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 685 transitions. Word has length 54 [2020-12-23 08:51:09,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:09,737 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 685 transitions. [2020-12-23 08:51:09,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:09,737 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 685 transitions. [2020-12-23 08:51:09,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 08:51:09,739 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:09,739 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] [2020-12-23 08:51:09,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:51:09,740 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:09,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:09,745 INFO L82 PathProgramCache]: Analyzing trace with hash 966785758, now seen corresponding path program 1 times [2020-12-23 08:51:09,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:09,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918118167] [2020-12-23 08:51:09,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:09,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:09,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918118167] [2020-12-23 08:51:09,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:09,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:09,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906972510] [2020-12-23 08:51:09,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:09,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:09,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:09,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:09,861 INFO L87 Difference]: Start difference. First operand 395 states and 685 transitions. Second operand 3 states. [2020-12-23 08:51:09,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:09,893 INFO L93 Difference]: Finished difference Result 556 states and 953 transitions. [2020-12-23 08:51:09,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:09,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-23 08:51:09,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:09,897 INFO L225 Difference]: With dead ends: 556 [2020-12-23 08:51:09,897 INFO L226 Difference]: Without dead ends: 398 [2020-12-23 08:51:09,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:09,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-12-23 08:51:09,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 397. [2020-12-23 08:51:09,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-12-23 08:51:09,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 687 transitions. [2020-12-23 08:51:09,930 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 687 transitions. Word has length 55 [2020-12-23 08:51:09,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:09,933 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 687 transitions. [2020-12-23 08:51:09,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:09,933 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 687 transitions. [2020-12-23 08:51:09,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 08:51:09,934 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:09,935 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] [2020-12-23 08:51:09,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:51:09,935 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:09,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:09,936 INFO L82 PathProgramCache]: Analyzing trace with hash 137653724, now seen corresponding path program 1 times [2020-12-23 08:51:09,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:09,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102355776] [2020-12-23 08:51:09,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:10,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:10,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102355776] [2020-12-23 08:51:10,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:10,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:10,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032725630] [2020-12-23 08:51:10,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:10,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:10,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:10,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:10,037 INFO L87 Difference]: Start difference. First operand 397 states and 687 transitions. Second operand 3 states. [2020-12-23 08:51:10,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:10,092 INFO L93 Difference]: Finished difference Result 1077 states and 1885 transitions. [2020-12-23 08:51:10,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:10,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-12-23 08:51:10,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:10,098 INFO L225 Difference]: With dead ends: 1077 [2020-12-23 08:51:10,098 INFO L226 Difference]: Without dead ends: 711 [2020-12-23 08:51:10,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:10,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2020-12-23 08:51:10,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 553. [2020-12-23 08:51:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-12-23 08:51:10,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 973 transitions. [2020-12-23 08:51:10,137 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 973 transitions. Word has length 61 [2020-12-23 08:51:10,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:10,137 INFO L481 AbstractCegarLoop]: Abstraction has 553 states and 973 transitions. [2020-12-23 08:51:10,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:10,137 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 973 transitions. [2020-12-23 08:51:10,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 08:51:10,139 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:10,139 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] [2020-12-23 08:51:10,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:51:10,140 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:10,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:10,140 INFO L82 PathProgramCache]: Analyzing trace with hash -193202821, now seen corresponding path program 1 times [2020-12-23 08:51:10,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:10,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604704300] [2020-12-23 08:51:10,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:10,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:10,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604704300] [2020-12-23 08:51:10,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735405617] [2020-12-23 08:51:10,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:51:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:10,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:51:10,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:51:10,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:10,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:51:10,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:51:10,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469120384] [2020-12-23 08:51:10,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:10,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:10,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:10,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:10,874 INFO L87 Difference]: Start difference. First operand 553 states and 973 transitions. Second operand 5 states. [2020-12-23 08:51:10,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:10,956 INFO L93 Difference]: Finished difference Result 1081 states and 1888 transitions. [2020-12-23 08:51:10,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:51:10,957 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2020-12-23 08:51:10,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:10,963 INFO L225 Difference]: With dead ends: 1081 [2020-12-23 08:51:10,963 INFO L226 Difference]: Without dead ends: 923 [2020-12-23 08:51:10,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:10,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-12-23 08:51:11,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 763. [2020-12-23 08:51:11,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2020-12-23 08:51:11,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1356 transitions. [2020-12-23 08:51:11,019 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1356 transitions. Word has length 62 [2020-12-23 08:51:11,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:11,019 INFO L481 AbstractCegarLoop]: Abstraction has 763 states and 1356 transitions. [2020-12-23 08:51:11,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:11,020 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1356 transitions. [2020-12-23 08:51:11,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:51:11,022 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:11,022 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] [2020-12-23 08:51:11,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 08:51:11,237 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:11,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:11,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1215668562, now seen corresponding path program 1 times [2020-12-23 08:51:11,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:11,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652387506] [2020-12-23 08:51:11,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:11,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652387506] [2020-12-23 08:51:11,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:11,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:11,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401149921] [2020-12-23 08:51:11,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:11,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:11,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:11,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:11,319 INFO L87 Difference]: Start difference. First operand 763 states and 1356 transitions. Second operand 3 states. [2020-12-23 08:51:11,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:11,438 INFO L93 Difference]: Finished difference Result 1959 states and 3499 transitions. [2020-12-23 08:51:11,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:11,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-12-23 08:51:11,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:11,446 INFO L225 Difference]: With dead ends: 1959 [2020-12-23 08:51:11,446 INFO L226 Difference]: Without dead ends: 1285 [2020-12-23 08:51:11,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:11,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2020-12-23 08:51:11,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1127. [2020-12-23 08:51:11,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2020-12-23 08:51:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 2020 transitions. [2020-12-23 08:51:11,521 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 2020 transitions. Word has length 68 [2020-12-23 08:51:11,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:11,521 INFO L481 AbstractCegarLoop]: Abstraction has 1127 states and 2020 transitions. [2020-12-23 08:51:11,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2020 transitions. [2020-12-23 08:51:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:51:11,524 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:11,525 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:11,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:51:11,525 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:11,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:11,525 INFO L82 PathProgramCache]: Analyzing trace with hash -131383234, now seen corresponding path program 2 times [2020-12-23 08:51:11,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:11,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467430033] [2020-12-23 08:51:11,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:11,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467430033] [2020-12-23 08:51:11,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:11,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:11,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271797582] [2020-12-23 08:51:11,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:11,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:11,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:11,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:11,611 INFO L87 Difference]: Start difference. First operand 1127 states and 2020 transitions. Second operand 5 states. [2020-12-23 08:51:11,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:11,750 INFO L93 Difference]: Finished difference Result 2169 states and 3880 transitions. [2020-12-23 08:51:11,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:51:11,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-12-23 08:51:11,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:11,760 INFO L225 Difference]: With dead ends: 2169 [2020-12-23 08:51:11,760 INFO L226 Difference]: Without dead ends: 1285 [2020-12-23 08:51:11,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:11,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2020-12-23 08:51:11,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1127. [2020-12-23 08:51:11,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2020-12-23 08:51:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 2018 transitions. [2020-12-23 08:51:11,841 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 2018 transitions. Word has length 69 [2020-12-23 08:51:11,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:11,845 INFO L481 AbstractCegarLoop]: Abstraction has 1127 states and 2018 transitions. [2020-12-23 08:51:11,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2018 transitions. [2020-12-23 08:51:11,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:51:11,848 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:11,848 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] [2020-12-23 08:51:11,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 08:51:11,849 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:11,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:11,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1121988477, now seen corresponding path program 1 times [2020-12-23 08:51:11,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:11,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207655627] [2020-12-23 08:51:11,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:11,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:11,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207655627] [2020-12-23 08:51:11,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:11,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:11,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895431270] [2020-12-23 08:51:11,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:11,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:11,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:11,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:11,949 INFO L87 Difference]: Start difference. First operand 1127 states and 2018 transitions. Second operand 3 states. [2020-12-23 08:51:12,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:12,074 INFO L93 Difference]: Finished difference Result 3023 states and 5440 transitions. [2020-12-23 08:51:12,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:12,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-23 08:51:12,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:12,086 INFO L225 Difference]: With dead ends: 3023 [2020-12-23 08:51:12,086 INFO L226 Difference]: Without dead ends: 1993 [2020-12-23 08:51:12,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:12,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2020-12-23 08:51:12,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1835. [2020-12-23 08:51:12,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2020-12-23 08:51:12,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 3309 transitions. [2020-12-23 08:51:12,205 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 3309 transitions. Word has length 69 [2020-12-23 08:51:12,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:12,206 INFO L481 AbstractCegarLoop]: Abstraction has 1835 states and 3309 transitions. [2020-12-23 08:51:12,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:12,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 3309 transitions. [2020-12-23 08:51:12,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 08:51:12,210 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:12,210 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] [2020-12-23 08:51:12,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:51:12,211 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:12,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:12,211 INFO L82 PathProgramCache]: Analyzing trace with hash 910355568, now seen corresponding path program 1 times [2020-12-23 08:51:12,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:12,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611809184] [2020-12-23 08:51:12,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:12,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:12,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611809184] [2020-12-23 08:51:12,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:12,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:12,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640621454] [2020-12-23 08:51:12,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:12,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:12,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:12,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:12,282 INFO L87 Difference]: Start difference. First operand 1835 states and 3309 transitions. Second operand 3 states. [2020-12-23 08:51:12,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:12,538 INFO L93 Difference]: Finished difference Result 4883 states and 8832 transitions. [2020-12-23 08:51:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:12,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-23 08:51:12,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:12,565 INFO L225 Difference]: With dead ends: 4883 [2020-12-23 08:51:12,565 INFO L226 Difference]: Without dead ends: 3179 [2020-12-23 08:51:12,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:12,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3179 states. [2020-12-23 08:51:12,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3179 to 3021. [2020-12-23 08:51:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3021 states. [2020-12-23 08:51:12,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3021 states to 3021 states and 5466 transitions. [2020-12-23 08:51:12,851 INFO L78 Accepts]: Start accepts. Automaton has 3021 states and 5466 transitions. Word has length 70 [2020-12-23 08:51:12,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:12,852 INFO L481 AbstractCegarLoop]: Abstraction has 3021 states and 5466 transitions. [2020-12-23 08:51:12,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:12,852 INFO L276 IsEmpty]: Start isEmpty. Operand 3021 states and 5466 transitions. [2020-12-23 08:51:12,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 08:51:12,860 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:12,860 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] [2020-12-23 08:51:12,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:51:12,861 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:12,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:12,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1352445838, now seen corresponding path program 1 times [2020-12-23 08:51:12,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:12,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518640052] [2020-12-23 08:51:12,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:12,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:12,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518640052] [2020-12-23 08:51:12,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:12,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:12,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650256401] [2020-12-23 08:51:12,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:12,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:12,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:12,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:12,953 INFO L87 Difference]: Start difference. First operand 3021 states and 5466 transitions. Second operand 3 states. [2020-12-23 08:51:13,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:13,327 INFO L93 Difference]: Finished difference Result 8157 states and 14786 transitions. [2020-12-23 08:51:13,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:13,327 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2020-12-23 08:51:13,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:13,360 INFO L225 Difference]: With dead ends: 8157 [2020-12-23 08:51:13,360 INFO L226 Difference]: Without dead ends: 5301 [2020-12-23 08:51:13,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:13,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5301 states. [2020-12-23 08:51:13,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5301 to 5143. [2020-12-23 08:51:13,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5143 states. [2020-12-23 08:51:13,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5143 states to 5143 states and 9315 transitions. [2020-12-23 08:51:13,740 INFO L78 Accepts]: Start accepts. Automaton has 5143 states and 9315 transitions. Word has length 71 [2020-12-23 08:51:13,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:13,740 INFO L481 AbstractCegarLoop]: Abstraction has 5143 states and 9315 transitions. [2020-12-23 08:51:13,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:13,740 INFO L276 IsEmpty]: Start isEmpty. Operand 5143 states and 9315 transitions. [2020-12-23 08:51:13,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 08:51:13,746 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:13,747 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] [2020-12-23 08:51:13,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:51:13,747 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:13,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:13,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1058303086, now seen corresponding path program 1 times [2020-12-23 08:51:13,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:13,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304594326] [2020-12-23 08:51:13,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:51:13,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304594326] [2020-12-23 08:51:13,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:13,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:13,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469499371] [2020-12-23 08:51:13,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:13,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:13,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:13,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:13,831 INFO L87 Difference]: Start difference. First operand 5143 states and 9315 transitions. Second operand 5 states. [2020-12-23 08:51:14,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:14,582 INFO L93 Difference]: Finished difference Result 14656 states and 26576 transitions. [2020-12-23 08:51:14,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:51:14,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2020-12-23 08:51:14,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:14,628 INFO L225 Difference]: With dead ends: 14656 [2020-12-23 08:51:14,629 INFO L226 Difference]: Without dead ends: 9756 [2020-12-23 08:51:14,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:51:14,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9756 states. [2020-12-23 08:51:15,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9756 to 5143. [2020-12-23 08:51:15,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5143 states. [2020-12-23 08:51:15,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5143 states to 5143 states and 9265 transitions. [2020-12-23 08:51:15,066 INFO L78 Accepts]: Start accepts. Automaton has 5143 states and 9265 transitions. Word has length 72 [2020-12-23 08:51:15,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:15,067 INFO L481 AbstractCegarLoop]: Abstraction has 5143 states and 9265 transitions. [2020-12-23 08:51:15,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:15,067 INFO L276 IsEmpty]: Start isEmpty. Operand 5143 states and 9265 transitions. [2020-12-23 08:51:15,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 08:51:15,073 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:15,073 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] [2020-12-23 08:51:15,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:51:15,074 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:15,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:15,074 INFO L82 PathProgramCache]: Analyzing trace with hash -659289439, now seen corresponding path program 1 times [2020-12-23 08:51:15,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:15,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152611824] [2020-12-23 08:51:15,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:15,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:15,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152611824] [2020-12-23 08:51:15,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:15,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:15,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739227032] [2020-12-23 08:51:15,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:15,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:15,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:15,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:15,143 INFO L87 Difference]: Start difference. First operand 5143 states and 9265 transitions. Second operand 3 states. [2020-12-23 08:51:15,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:15,845 INFO L93 Difference]: Finished difference Result 14981 states and 27028 transitions. [2020-12-23 08:51:15,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:15,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-23 08:51:15,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:15,881 INFO L225 Difference]: With dead ends: 14981 [2020-12-23 08:51:15,881 INFO L226 Difference]: Without dead ends: 10007 [2020-12-23 08:51:15,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:15,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10007 states. [2020-12-23 08:51:16,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10007 to 9849. [2020-12-23 08:51:16,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9849 states. [2020-12-23 08:51:16,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9849 states to 9849 states and 17746 transitions. [2020-12-23 08:51:16,586 INFO L78 Accepts]: Start accepts. Automaton has 9849 states and 17746 transitions. Word has length 72 [2020-12-23 08:51:16,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:16,586 INFO L481 AbstractCegarLoop]: Abstraction has 9849 states and 17746 transitions. [2020-12-23 08:51:16,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 9849 states and 17746 transitions. [2020-12-23 08:51:16,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 08:51:16,595 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:16,595 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] [2020-12-23 08:51:16,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:51:16,595 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:16,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:16,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1445262707, now seen corresponding path program 1 times [2020-12-23 08:51:16,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:16,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982821738] [2020-12-23 08:51:16,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:16,671 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:16,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982821738] [2020-12-23 08:51:16,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:16,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:51:16,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426814236] [2020-12-23 08:51:16,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:51:16,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:16,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:51:16,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:51:16,674 INFO L87 Difference]: Start difference. First operand 9849 states and 17746 transitions. Second operand 4 states. [2020-12-23 08:51:17,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:17,230 INFO L93 Difference]: Finished difference Result 9948 states and 17909 transitions. [2020-12-23 08:51:17,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:51:17,231 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 73 [2020-12-23 08:51:17,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:17,257 INFO L225 Difference]: With dead ends: 9948 [2020-12-23 08:51:17,257 INFO L226 Difference]: Without dead ends: 9849 [2020-12-23 08:51:17,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:17,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9849 states. [2020-12-23 08:51:17,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9849 to 9849. [2020-12-23 08:51:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9849 states. [2020-12-23 08:51:17,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9849 states to 9849 states and 17744 transitions. [2020-12-23 08:51:17,926 INFO L78 Accepts]: Start accepts. Automaton has 9849 states and 17744 transitions. Word has length 73 [2020-12-23 08:51:17,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:17,927 INFO L481 AbstractCegarLoop]: Abstraction has 9849 states and 17744 transitions. [2020-12-23 08:51:17,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:51:17,927 INFO L276 IsEmpty]: Start isEmpty. Operand 9849 states and 17744 transitions. [2020-12-23 08:51:17,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 08:51:17,940 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:17,941 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] [2020-12-23 08:51:17,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:51:17,941 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:17,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:17,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1527183405, now seen corresponding path program 1 times [2020-12-23 08:51:17,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:17,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121408132] [2020-12-23 08:51:17,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:18,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121408132] [2020-12-23 08:51:18,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:18,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:51:18,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501938735] [2020-12-23 08:51:18,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:18,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:18,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:18,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:18,090 INFO L87 Difference]: Start difference. First operand 9849 states and 17744 transitions. Second operand 5 states. [2020-12-23 08:51:18,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:18,810 INFO L93 Difference]: Finished difference Result 10282 states and 18450 transitions. [2020-12-23 08:51:18,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:51:18,811 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-12-23 08:51:18,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:18,846 INFO L225 Difference]: With dead ends: 10282 [2020-12-23 08:51:18,846 INFO L226 Difference]: Without dead ends: 10184 [2020-12-23 08:51:18,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:51:18,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10184 states. [2020-12-23 08:51:19,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10184 to 9931. [2020-12-23 08:51:19,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9931 states. [2020-12-23 08:51:19,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9931 states to 9931 states and 17877 transitions. [2020-12-23 08:51:19,477 INFO L78 Accepts]: Start accepts. Automaton has 9931 states and 17877 transitions. Word has length 76 [2020-12-23 08:51:19,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:19,477 INFO L481 AbstractCegarLoop]: Abstraction has 9931 states and 17877 transitions. [2020-12-23 08:51:19,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 9931 states and 17877 transitions. [2020-12-23 08:51:19,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 08:51:19,488 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:19,488 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] [2020-12-23 08:51:19,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:51:19,488 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:19,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:19,489 INFO L82 PathProgramCache]: Analyzing trace with hash 2095526246, now seen corresponding path program 1 times [2020-12-23 08:51:19,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:19,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429824315] [2020-12-23 08:51:19,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:19,606 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:19,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429824315] [2020-12-23 08:51:19,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:19,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:51:19,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966747809] [2020-12-23 08:51:19,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:51:19,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:19,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:51:19,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:51:19,609 INFO L87 Difference]: Start difference. First operand 9931 states and 17877 transitions. Second operand 9 states. [2020-12-23 08:51:20,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:20,335 INFO L93 Difference]: Finished difference Result 10106 states and 18159 transitions. [2020-12-23 08:51:20,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 08:51:20,336 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 77 [2020-12-23 08:51:20,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:20,365 INFO L225 Difference]: With dead ends: 10106 [2020-12-23 08:51:20,366 INFO L226 Difference]: Without dead ends: 9929 [2020-12-23 08:51:20,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2020-12-23 08:51:20,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9929 states. [2020-12-23 08:51:20,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9929 to 9911. [2020-12-23 08:51:20,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9911 states. [2020-12-23 08:51:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9911 states to 9911 states and 17840 transitions. [2020-12-23 08:51:20,884 INFO L78 Accepts]: Start accepts. Automaton has 9911 states and 17840 transitions. Word has length 77 [2020-12-23 08:51:20,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:20,884 INFO L481 AbstractCegarLoop]: Abstraction has 9911 states and 17840 transitions. [2020-12-23 08:51:20,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:51:20,884 INFO L276 IsEmpty]: Start isEmpty. Operand 9911 states and 17840 transitions. [2020-12-23 08:51:20,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:51:20,904 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:20,904 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] [2020-12-23 08:51:20,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:51:20,904 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:20,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:20,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1371924307, now seen corresponding path program 1 times [2020-12-23 08:51:20,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:20,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781590852] [2020-12-23 08:51:20,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:21,087 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:21,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781590852] [2020-12-23 08:51:21,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:21,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:51:21,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121672395] [2020-12-23 08:51:21,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:21,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:21,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:21,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:21,091 INFO L87 Difference]: Start difference. First operand 9911 states and 17840 transitions. Second operand 5 states. [2020-12-23 08:51:21,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:21,606 INFO L93 Difference]: Finished difference Result 10533 states and 18816 transitions. [2020-12-23 08:51:21,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:51:21,606 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-12-23 08:51:21,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:21,634 INFO L225 Difference]: With dead ends: 10533 [2020-12-23 08:51:21,634 INFO L226 Difference]: Without dead ends: 10348 [2020-12-23 08:51:21,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:51:21,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10348 states. [2020-12-23 08:51:22,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10348 to 10045. [2020-12-23 08:51:22,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10045 states. [2020-12-23 08:51:22,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10045 states to 10045 states and 18050 transitions. [2020-12-23 08:51:22,426 INFO L78 Accepts]: Start accepts. Automaton has 10045 states and 18050 transitions. Word has length 89 [2020-12-23 08:51:22,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:22,427 INFO L481 AbstractCegarLoop]: Abstraction has 10045 states and 18050 transitions. [2020-12-23 08:51:22,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:22,427 INFO L276 IsEmpty]: Start isEmpty. Operand 10045 states and 18050 transitions. [2020-12-23 08:51:22,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 08:51:22,448 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:22,449 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] [2020-12-23 08:51:22,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:51:22,449 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:22,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:22,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1756467449, now seen corresponding path program 1 times [2020-12-23 08:51:22,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:22,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531437150] [2020-12-23 08:51:22,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:22,648 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:22,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531437150] [2020-12-23 08:51:22,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:22,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:51:22,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271015884] [2020-12-23 08:51:22,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:51:22,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:22,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:51:22,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:51:22,650 INFO L87 Difference]: Start difference. First operand 10045 states and 18050 transitions. Second operand 9 states. [2020-12-23 08:51:23,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:23,474 INFO L93 Difference]: Finished difference Result 10349 states and 18538 transitions. [2020-12-23 08:51:23,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 08:51:23,474 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-12-23 08:51:23,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:23,503 INFO L225 Difference]: With dead ends: 10349 [2020-12-23 08:51:23,504 INFO L226 Difference]: Without dead ends: 10044 [2020-12-23 08:51:23,509 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2020-12-23 08:51:23,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10044 states. [2020-12-23 08:51:24,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10044 to 9967. [2020-12-23 08:51:24,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9967 states. [2020-12-23 08:51:24,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9967 states to 9967 states and 17919 transitions. [2020-12-23 08:51:24,238 INFO L78 Accepts]: Start accepts. Automaton has 9967 states and 17919 transitions. Word has length 90 [2020-12-23 08:51:24,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:24,239 INFO L481 AbstractCegarLoop]: Abstraction has 9967 states and 17919 transitions. [2020-12-23 08:51:24,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:51:24,239 INFO L276 IsEmpty]: Start isEmpty. Operand 9967 states and 17919 transitions. [2020-12-23 08:51:24,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 08:51:24,255 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:24,255 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] [2020-12-23 08:51:24,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:51:24,256 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:24,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:24,256 INFO L82 PathProgramCache]: Analyzing trace with hash 824954359, now seen corresponding path program 1 times [2020-12-23 08:51:24,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:24,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557489862] [2020-12-23 08:51:24,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:24,414 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:24,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557489862] [2020-12-23 08:51:24,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:24,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:51:24,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667766177] [2020-12-23 08:51:24,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:51:24,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:24,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:51:24,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:51:24,416 INFO L87 Difference]: Start difference. First operand 9967 states and 17919 transitions. Second operand 10 states. [2020-12-23 08:51:25,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:25,582 INFO L93 Difference]: Finished difference Result 10624 states and 18921 transitions. [2020-12-23 08:51:25,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 08:51:25,583 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 92 [2020-12-23 08:51:25,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:25,613 INFO L225 Difference]: With dead ends: 10624 [2020-12-23 08:51:25,614 INFO L226 Difference]: Without dead ends: 10446 [2020-12-23 08:51:25,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2020-12-23 08:51:25,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10446 states. [2020-12-23 08:51:26,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10446 to 10006. [2020-12-23 08:51:26,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10006 states. [2020-12-23 08:51:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10006 states to 10006 states and 17972 transitions. [2020-12-23 08:51:26,327 INFO L78 Accepts]: Start accepts. Automaton has 10006 states and 17972 transitions. Word has length 92 [2020-12-23 08:51:26,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:26,328 INFO L481 AbstractCegarLoop]: Abstraction has 10006 states and 17972 transitions. [2020-12-23 08:51:26,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:51:26,328 INFO L276 IsEmpty]: Start isEmpty. Operand 10006 states and 17972 transitions. [2020-12-23 08:51:26,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 08:51:26,343 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:26,343 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] [2020-12-23 08:51:26,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:51:26,344 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:26,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:26,344 INFO L82 PathProgramCache]: Analyzing trace with hash 678836210, now seen corresponding path program 1 times [2020-12-23 08:51:26,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:26,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172833093] [2020-12-23 08:51:26,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:26,471 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:26,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172833093] [2020-12-23 08:51:26,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:26,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:51:26,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751836415] [2020-12-23 08:51:26,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:51:26,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:26,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:51:26,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:51:26,473 INFO L87 Difference]: Start difference. First operand 10006 states and 17972 transitions. Second operand 9 states. [2020-12-23 08:51:27,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:27,566 INFO L93 Difference]: Finished difference Result 11177 states and 19747 transitions. [2020-12-23 08:51:27,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 08:51:27,566 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-12-23 08:51:27,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:27,588 INFO L225 Difference]: With dead ends: 11177 [2020-12-23 08:51:27,589 INFO L226 Difference]: Without dead ends: 10974 [2020-12-23 08:51:27,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=248, Unknown=0, NotChecked=0, Total=380 [2020-12-23 08:51:27,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10974 states. [2020-12-23 08:51:28,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10974 to 10231. [2020-12-23 08:51:28,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10231 states. [2020-12-23 08:51:28,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10231 states to 10231 states and 18313 transitions. [2020-12-23 08:51:28,207 INFO L78 Accepts]: Start accepts. Automaton has 10231 states and 18313 transitions. Word has length 93 [2020-12-23 08:51:28,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:28,207 INFO L481 AbstractCegarLoop]: Abstraction has 10231 states and 18313 transitions. [2020-12-23 08:51:28,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:51:28,207 INFO L276 IsEmpty]: Start isEmpty. Operand 10231 states and 18313 transitions. [2020-12-23 08:51:28,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 08:51:28,222 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:28,222 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] [2020-12-23 08:51:28,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:51:28,223 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:28,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:28,223 INFO L82 PathProgramCache]: Analyzing trace with hash -635527938, now seen corresponding path program 1 times [2020-12-23 08:51:28,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:28,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771932389] [2020-12-23 08:51:28,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:28,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771932389] [2020-12-23 08:51:28,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:28,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:51:28,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604439507] [2020-12-23 08:51:28,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 08:51:28,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:28,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 08:51:28,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-12-23 08:51:28,385 INFO L87 Difference]: Start difference. First operand 10231 states and 18313 transitions. Second operand 12 states. [2020-12-23 08:51:31,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:31,569 INFO L93 Difference]: Finished difference Result 33963 states and 59851 transitions. [2020-12-23 08:51:31,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-23 08:51:31,570 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2020-12-23 08:51:31,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:31,620 INFO L225 Difference]: With dead ends: 33963 [2020-12-23 08:51:31,620 INFO L226 Difference]: Without dead ends: 33654 [2020-12-23 08:51:31,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=382, Invalid=808, Unknown=0, NotChecked=0, Total=1190 [2020-12-23 08:51:31,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33654 states. [2020-12-23 08:51:33,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33654 to 20792. [2020-12-23 08:51:33,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20792 states. [2020-12-23 08:51:33,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20792 states to 20792 states and 37113 transitions. [2020-12-23 08:51:33,109 INFO L78 Accepts]: Start accepts. Automaton has 20792 states and 37113 transitions. Word has length 93 [2020-12-23 08:51:33,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:33,110 INFO L481 AbstractCegarLoop]: Abstraction has 20792 states and 37113 transitions. [2020-12-23 08:51:33,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 08:51:33,110 INFO L276 IsEmpty]: Start isEmpty. Operand 20792 states and 37113 transitions. [2020-12-23 08:51:33,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 08:51:33,135 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:33,135 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] [2020-12-23 08:51:33,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:51:33,135 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:33,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:33,136 INFO L82 PathProgramCache]: Analyzing trace with hash -547535786, now seen corresponding path program 1 times [2020-12-23 08:51:33,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:33,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852884699] [2020-12-23 08:51:33,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:33,242 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:33,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852884699] [2020-12-23 08:51:33,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:33,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:51:33,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498570537] [2020-12-23 08:51:33,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:51:33,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:33,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:51:33,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:33,245 INFO L87 Difference]: Start difference. First operand 20792 states and 37113 transitions. Second operand 7 states. [2020-12-23 08:51:34,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:34,265 INFO L93 Difference]: Finished difference Result 22044 states and 39016 transitions. [2020-12-23 08:51:34,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:51:34,265 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-12-23 08:51:34,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:34,291 INFO L225 Difference]: With dead ends: 22044 [2020-12-23 08:51:34,291 INFO L226 Difference]: Without dead ends: 20825 [2020-12-23 08:51:34,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-12-23 08:51:34,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20825 states. [2020-12-23 08:51:35,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20825 to 20650. [2020-12-23 08:51:35,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20650 states. [2020-12-23 08:51:35,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20650 states to 20650 states and 36887 transitions. [2020-12-23 08:51:35,209 INFO L78 Accepts]: Start accepts. Automaton has 20650 states and 36887 transitions. Word has length 93 [2020-12-23 08:51:35,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:35,209 INFO L481 AbstractCegarLoop]: Abstraction has 20650 states and 36887 transitions. [2020-12-23 08:51:35,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:51:35,209 INFO L276 IsEmpty]: Start isEmpty. Operand 20650 states and 36887 transitions. [2020-12-23 08:51:35,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 08:51:35,228 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:35,229 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] [2020-12-23 08:51:35,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:51:35,229 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:35,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:35,229 INFO L82 PathProgramCache]: Analyzing trace with hash -659278606, now seen corresponding path program 1 times [2020-12-23 08:51:35,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:35,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812678350] [2020-12-23 08:51:35,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:35,331 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:35,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812678350] [2020-12-23 08:51:35,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:35,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:51:35,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455201467] [2020-12-23 08:51:35,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:51:35,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:35,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:51:35,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:35,333 INFO L87 Difference]: Start difference. First operand 20650 states and 36887 transitions. Second operand 7 states. [2020-12-23 08:51:37,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:37,319 INFO L93 Difference]: Finished difference Result 27324 states and 47081 transitions. [2020-12-23 08:51:37,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:51:37,320 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 94 [2020-12-23 08:51:37,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:37,360 INFO L225 Difference]: With dead ends: 27324 [2020-12-23 08:51:37,360 INFO L226 Difference]: Without dead ends: 26581 [2020-12-23 08:51:37,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2020-12-23 08:51:37,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26581 states. [2020-12-23 08:51:38,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26581 to 21797. [2020-12-23 08:51:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21797 states. [2020-12-23 08:51:38,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21797 states to 21797 states and 38605 transitions. [2020-12-23 08:51:38,614 INFO L78 Accepts]: Start accepts. Automaton has 21797 states and 38605 transitions. Word has length 94 [2020-12-23 08:51:38,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:38,615 INFO L481 AbstractCegarLoop]: Abstraction has 21797 states and 38605 transitions. [2020-12-23 08:51:38,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:51:38,615 INFO L276 IsEmpty]: Start isEmpty. Operand 21797 states and 38605 transitions. [2020-12-23 08:51:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 08:51:38,635 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:38,636 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] [2020-12-23 08:51:38,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:51:38,636 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:38,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:38,636 INFO L82 PathProgramCache]: Analyzing trace with hash 2054331346, now seen corresponding path program 1 times [2020-12-23 08:51:38,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:38,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655136130] [2020-12-23 08:51:38,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:38,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655136130] [2020-12-23 08:51:38,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:38,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:51:38,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890503142] [2020-12-23 08:51:38,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:51:38,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:38,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:51:38,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:51:38,711 INFO L87 Difference]: Start difference. First operand 21797 states and 38605 transitions. Second operand 4 states. [2020-12-23 08:51:40,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:40,292 INFO L93 Difference]: Finished difference Result 24235 states and 42294 transitions. [2020-12-23 08:51:40,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:51:40,293 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2020-12-23 08:51:40,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:40,341 INFO L225 Difference]: With dead ends: 24235 [2020-12-23 08:51:40,341 INFO L226 Difference]: Without dead ends: 22842 [2020-12-23 08:51:40,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:40,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22842 states. [2020-12-23 08:51:41,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22842 to 21829. [2020-12-23 08:51:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21829 states. [2020-12-23 08:51:41,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21829 states to 21829 states and 38637 transitions. [2020-12-23 08:51:41,696 INFO L78 Accepts]: Start accepts. Automaton has 21829 states and 38637 transitions. Word has length 95 [2020-12-23 08:51:41,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:41,697 INFO L481 AbstractCegarLoop]: Abstraction has 21829 states and 38637 transitions. [2020-12-23 08:51:41,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:51:41,697 INFO L276 IsEmpty]: Start isEmpty. Operand 21829 states and 38637 transitions. [2020-12-23 08:51:41,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 08:51:41,722 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:41,722 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] [2020-12-23 08:51:41,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:51:41,722 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:41,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:41,723 INFO L82 PathProgramCache]: Analyzing trace with hash 774467668, now seen corresponding path program 1 times [2020-12-23 08:51:41,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:41,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333288057] [2020-12-23 08:51:41,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:41,874 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:41,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333288057] [2020-12-23 08:51:41,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:41,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:51:41,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728489113] [2020-12-23 08:51:41,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:51:41,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:41,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:51:41,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:51:41,877 INFO L87 Difference]: Start difference. First operand 21829 states and 38637 transitions. Second operand 11 states. [2020-12-23 08:51:43,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:43,550 INFO L93 Difference]: Finished difference Result 23181 states and 40667 transitions. [2020-12-23 08:51:43,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:51:43,550 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2020-12-23 08:51:43,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:43,585 INFO L225 Difference]: With dead ends: 23181 [2020-12-23 08:51:43,585 INFO L226 Difference]: Without dead ends: 22570 [2020-12-23 08:51:43,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2020-12-23 08:51:43,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22570 states. [2020-12-23 08:51:44,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22570 to 21962. [2020-12-23 08:51:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21962 states. [2020-12-23 08:51:44,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21962 states to 21962 states and 38827 transitions. [2020-12-23 08:51:44,816 INFO L78 Accepts]: Start accepts. Automaton has 21962 states and 38827 transitions. Word has length 95 [2020-12-23 08:51:44,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:44,817 INFO L481 AbstractCegarLoop]: Abstraction has 21962 states and 38827 transitions. [2020-12-23 08:51:44,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:51:44,817 INFO L276 IsEmpty]: Start isEmpty. Operand 21962 states and 38827 transitions. [2020-12-23 08:51:44,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 08:51:44,850 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:44,850 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] [2020-12-23 08:51:44,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 08:51:44,851 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:44,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:44,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1395652787, now seen corresponding path program 1 times [2020-12-23 08:51:44,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:44,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495801102] [2020-12-23 08:51:44,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:44,992 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:44,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495801102] [2020-12-23 08:51:44,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:44,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:51:44,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936826223] [2020-12-23 08:51:44,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:51:44,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:44,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:51:44,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:51:44,994 INFO L87 Difference]: Start difference. First operand 21962 states and 38827 transitions. Second operand 10 states. [2020-12-23 08:51:46,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:46,948 INFO L93 Difference]: Finished difference Result 24577 states and 42748 transitions. [2020-12-23 08:51:46,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 08:51:46,949 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-12-23 08:51:46,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:46,977 INFO L225 Difference]: With dead ends: 24577 [2020-12-23 08:51:46,977 INFO L226 Difference]: Without dead ends: 24043 [2020-12-23 08:51:46,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=184, Invalid=368, Unknown=0, NotChecked=0, Total=552 [2020-12-23 08:51:47,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24043 states. [2020-12-23 08:51:48,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24043 to 22067. [2020-12-23 08:51:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22067 states. [2020-12-23 08:51:48,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22067 states to 22067 states and 38967 transitions. [2020-12-23 08:51:48,107 INFO L78 Accepts]: Start accepts. Automaton has 22067 states and 38967 transitions. Word has length 96 [2020-12-23 08:51:48,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:48,107 INFO L481 AbstractCegarLoop]: Abstraction has 22067 states and 38967 transitions. [2020-12-23 08:51:48,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:51:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 22067 states and 38967 transitions. [2020-12-23 08:51:48,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 08:51:48,130 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:48,130 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] [2020-12-23 08:51:48,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 08:51:48,130 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:48,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:48,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1195144083, now seen corresponding path program 1 times [2020-12-23 08:51:48,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:48,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250754587] [2020-12-23 08:51:48,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:48,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250754587] [2020-12-23 08:51:48,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:48,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:51:48,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413479806] [2020-12-23 08:51:48,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:51:48,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:48,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:51:48,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:48,228 INFO L87 Difference]: Start difference. First operand 22067 states and 38967 transitions. Second operand 7 states. [2020-12-23 08:51:49,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:49,831 INFO L93 Difference]: Finished difference Result 25637 states and 44298 transitions. [2020-12-23 08:51:49,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 08:51:49,832 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2020-12-23 08:51:49,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:49,859 INFO L225 Difference]: With dead ends: 25637 [2020-12-23 08:51:49,859 INFO L226 Difference]: Without dead ends: 22948 [2020-12-23 08:51:49,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-12-23 08:51:49,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22948 states. [2020-12-23 08:51:50,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22948 to 22049. [2020-12-23 08:51:50,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22049 states. [2020-12-23 08:51:50,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22049 states to 22049 states and 38905 transitions. [2020-12-23 08:51:50,977 INFO L78 Accepts]: Start accepts. Automaton has 22049 states and 38905 transitions. Word has length 96 [2020-12-23 08:51:50,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:50,977 INFO L481 AbstractCegarLoop]: Abstraction has 22049 states and 38905 transitions. [2020-12-23 08:51:50,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:51:50,977 INFO L276 IsEmpty]: Start isEmpty. Operand 22049 states and 38905 transitions. [2020-12-23 08:51:50,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 08:51:50,995 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:50,995 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] [2020-12-23 08:51:50,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 08:51:50,995 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:50,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:50,996 INFO L82 PathProgramCache]: Analyzing trace with hash 928693752, now seen corresponding path program 1 times [2020-12-23 08:51:50,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:50,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734993165] [2020-12-23 08:51:50,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:51,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:51,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734993165] [2020-12-23 08:51:51,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:51,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:51:51,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799526462] [2020-12-23 08:51:51,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:51:51,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:51,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:51:51,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:51:51,238 INFO L87 Difference]: Start difference. First operand 22049 states and 38905 transitions. Second operand 6 states. [2020-12-23 08:51:52,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:52,451 INFO L93 Difference]: Finished difference Result 24437 states and 42498 transitions. [2020-12-23 08:51:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:51:52,451 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2020-12-23 08:51:52,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:52,480 INFO L225 Difference]: With dead ends: 24437 [2020-12-23 08:51:52,480 INFO L226 Difference]: Without dead ends: 22460 [2020-12-23 08:51:52,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:51:52,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22460 states. [2020-12-23 08:51:53,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22460 to 21513. [2020-12-23 08:51:53,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21513 states. [2020-12-23 08:51:53,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21513 states to 21513 states and 38109 transitions. [2020-12-23 08:51:53,701 INFO L78 Accepts]: Start accepts. Automaton has 21513 states and 38109 transitions. Word has length 96 [2020-12-23 08:51:53,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:53,701 INFO L481 AbstractCegarLoop]: Abstraction has 21513 states and 38109 transitions. [2020-12-23 08:51:53,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:51:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 21513 states and 38109 transitions. [2020-12-23 08:51:53,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 08:51:53,719 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:53,719 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] [2020-12-23 08:51:53,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-23 08:51:53,719 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:53,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:53,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1597918002, now seen corresponding path program 1 times [2020-12-23 08:51:53,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:53,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056643703] [2020-12-23 08:51:53,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:53,780 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:53,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056643703] [2020-12-23 08:51:53,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:53,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:51:53,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815769834] [2020-12-23 08:51:53,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:51:53,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:53,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:51:53,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:51:53,782 INFO L87 Difference]: Start difference. First operand 21513 states and 38109 transitions. Second operand 4 states. [2020-12-23 08:51:54,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:54,696 INFO L93 Difference]: Finished difference Result 22111 states and 39038 transitions. [2020-12-23 08:51:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:51:54,696 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2020-12-23 08:51:54,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:54,726 INFO L225 Difference]: With dead ends: 22111 [2020-12-23 08:51:54,726 INFO L226 Difference]: Without dead ends: 20861 [2020-12-23 08:51:54,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:54,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20861 states. [2020-12-23 08:51:55,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20861 to 20861. [2020-12-23 08:51:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20861 states. [2020-12-23 08:51:55,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20861 states to 20861 states and 37147 transitions. [2020-12-23 08:51:55,934 INFO L78 Accepts]: Start accepts. Automaton has 20861 states and 37147 transitions. Word has length 96 [2020-12-23 08:51:55,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:55,935 INFO L481 AbstractCegarLoop]: Abstraction has 20861 states and 37147 transitions. [2020-12-23 08:51:55,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:51:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 20861 states and 37147 transitions. [2020-12-23 08:51:55,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 08:51:55,954 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:55,954 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:55,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-23 08:51:55,955 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:55,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:55,955 INFO L82 PathProgramCache]: Analyzing trace with hash -680057775, now seen corresponding path program 1 times [2020-12-23 08:51:55,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:55,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457635369] [2020-12-23 08:51:55,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:56,143 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:51:56,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457635369] [2020-12-23 08:51:56,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:56,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:51:56,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505565059] [2020-12-23 08:51:56,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 08:51:56,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:56,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 08:51:56,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-12-23 08:51:56,150 INFO L87 Difference]: Start difference. First operand 20861 states and 37147 transitions. Second operand 12 states. [2020-12-23 08:52:00,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:00,872 INFO L93 Difference]: Finished difference Result 59073 states and 103097 transitions. [2020-12-23 08:52:00,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-23 08:52:00,873 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-12-23 08:52:00,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:00,959 INFO L225 Difference]: With dead ends: 59073 [2020-12-23 08:52:00,960 INFO L226 Difference]: Without dead ends: 57932 [2020-12-23 08:52:00,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=305, Invalid=625, Unknown=0, NotChecked=0, Total=930 [2020-12-23 08:52:01,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57932 states. [2020-12-23 08:52:03,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57932 to 41490. [2020-12-23 08:52:03,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41490 states. [2020-12-23 08:52:03,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41490 states to 41490 states and 73867 transitions. [2020-12-23 08:52:03,855 INFO L78 Accepts]: Start accepts. Automaton has 41490 states and 73867 transitions. Word has length 97 [2020-12-23 08:52:03,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:03,856 INFO L481 AbstractCegarLoop]: Abstraction has 41490 states and 73867 transitions. [2020-12-23 08:52:03,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 08:52:03,856 INFO L276 IsEmpty]: Start isEmpty. Operand 41490 states and 73867 transitions. [2020-12-23 08:52:03,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 08:52:03,895 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:03,895 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] [2020-12-23 08:52:03,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-23 08:52:03,895 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:03,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:03,895 INFO L82 PathProgramCache]: Analyzing trace with hash -679998193, now seen corresponding path program 1 times [2020-12-23 08:52:03,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:03,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199664920] [2020-12-23 08:52:03,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:03,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199664920] [2020-12-23 08:52:03,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635699090] [2020-12-23 08:52:03,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:52:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:04,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 08:52:04,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:52:04,430 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:04,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:52:04,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-12-23 08:52:04,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384758101] [2020-12-23 08:52:04,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:52:04,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:04,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:52:04,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:52:04,436 INFO L87 Difference]: Start difference. First operand 41490 states and 73867 transitions. Second operand 6 states. [2020-12-23 08:52:07,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:07,932 INFO L93 Difference]: Finished difference Result 53894 states and 93589 transitions. [2020-12-23 08:52:07,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:52:07,933 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2020-12-23 08:52:07,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:08,002 INFO L225 Difference]: With dead ends: 53894 [2020-12-23 08:52:08,003 INFO L226 Difference]: Without dead ends: 50826 [2020-12-23 08:52:08,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:52:08,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50826 states. [2020-12-23 08:52:10,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50826 to 46172. [2020-12-23 08:52:10,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46172 states. [2020-12-23 08:52:10,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46172 states to 46172 states and 82201 transitions. [2020-12-23 08:52:10,665 INFO L78 Accepts]: Start accepts. Automaton has 46172 states and 82201 transitions. Word has length 97 [2020-12-23 08:52:10,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:10,666 INFO L481 AbstractCegarLoop]: Abstraction has 46172 states and 82201 transitions. [2020-12-23 08:52:10,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:52:10,666 INFO L276 IsEmpty]: Start isEmpty. Operand 46172 states and 82201 transitions. [2020-12-23 08:52:10,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 08:52:10,702 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:10,703 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:10,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2020-12-23 08:52:10,910 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:10,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:10,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1523800031, now seen corresponding path program 1 times [2020-12-23 08:52:10,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:10,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341168248] [2020-12-23 08:52:10,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:10,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:10,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341168248] [2020-12-23 08:52:10,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:10,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:10,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76828415] [2020-12-23 08:52:10,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:10,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:10,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:10,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:10,974 INFO L87 Difference]: Start difference. First operand 46172 states and 82201 transitions. Second operand 3 states. [2020-12-23 08:52:16,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:16,009 INFO L93 Difference]: Finished difference Result 129654 states and 231201 transitions. [2020-12-23 08:52:16,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:16,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-12-23 08:52:16,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:16,169 INFO L225 Difference]: With dead ends: 129654 [2020-12-23 08:52:16,169 INFO L226 Difference]: Without dead ends: 86322 [2020-12-23 08:52:16,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:16,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86322 states. [2020-12-23 08:52:20,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86322 to 83254. [2020-12-23 08:52:20,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83254 states. [2020-12-23 08:52:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83254 states to 83254 states and 149151 transitions. [2020-12-23 08:52:21,115 INFO L78 Accepts]: Start accepts. Automaton has 83254 states and 149151 transitions. Word has length 97 [2020-12-23 08:52:21,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:21,115 INFO L481 AbstractCegarLoop]: Abstraction has 83254 states and 149151 transitions. [2020-12-23 08:52:21,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:21,115 INFO L276 IsEmpty]: Start isEmpty. Operand 83254 states and 149151 transitions. [2020-12-23 08:52:21,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 08:52:21,210 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:21,210 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:21,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-12-23 08:52:21,211 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:21,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:21,211 INFO L82 PathProgramCache]: Analyzing trace with hash 351246213, now seen corresponding path program 1 times [2020-12-23 08:52:21,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:21,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178043504] [2020-12-23 08:52:21,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:21,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:21,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178043504] [2020-12-23 08:52:21,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:21,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:21,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43764161] [2020-12-23 08:52:21,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:21,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:21,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:21,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:21,294 INFO L87 Difference]: Start difference. First operand 83254 states and 149151 transitions. Second operand 3 states. [2020-12-23 08:52:30,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:30,018 INFO L93 Difference]: Finished difference Result 240628 states and 431291 transitions. [2020-12-23 08:52:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:30,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-23 08:52:30,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:30,553 INFO L225 Difference]: With dead ends: 240628 [2020-12-23 08:52:30,553 INFO L226 Difference]: Without dead ends: 160664 [2020-12-23 08:52:30,647 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:30,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160664 states. [2020-12-23 08:52:39,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160664 to 157596. [2020-12-23 08:52:39,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157596 states. [2020-12-23 08:52:39,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157596 states to 157596 states and 282801 transitions. [2020-12-23 08:52:39,757 INFO L78 Accepts]: Start accepts. Automaton has 157596 states and 282801 transitions. Word has length 98 [2020-12-23 08:52:39,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:39,757 INFO L481 AbstractCegarLoop]: Abstraction has 157596 states and 282801 transitions. [2020-12-23 08:52:39,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:39,757 INFO L276 IsEmpty]: Start isEmpty. Operand 157596 states and 282801 transitions. [2020-12-23 08:52:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 08:52:39,853 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:39,853 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] [2020-12-23 08:52:39,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-12-23 08:52:39,854 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:39,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:39,854 INFO L82 PathProgramCache]: Analyzing trace with hash -604161903, now seen corresponding path program 1 times [2020-12-23 08:52:39,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:39,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338575984] [2020-12-23 08:52:39,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:39,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338575984] [2020-12-23 08:52:39,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:39,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:39,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566574103] [2020-12-23 08:52:39,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:39,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:39,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:39,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:39,926 INFO L87 Difference]: Start difference. First operand 157596 states and 282801 transitions. Second operand 3 states. [2020-12-23 08:52:54,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:54,578 INFO L93 Difference]: Finished difference Result 430652 states and 771763 transitions. [2020-12-23 08:52:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:54,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-23 08:52:54,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:55,321 INFO L225 Difference]: With dead ends: 430652 [2020-12-23 08:52:55,321 INFO L226 Difference]: Without dead ends: 277668 [2020-12-23 08:52:55,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:55,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277668 states. [2020-12-23 08:53:10,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277668 to 274600. [2020-12-23 08:53:10,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274600 states.