/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec8_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:02:17,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:02:17,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:02:17,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:02:17,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:02:17,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:02:17,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:02:17,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:02:17,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:02:17,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:02:17,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:02:17,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:02:17,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:02:17,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:02:17,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:02:17,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:02:17,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:02:17,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:02:17,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:02:17,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:02:17,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:02:17,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:02:17,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:02:17,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:02:17,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:02:17,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:02:17,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:02:17,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:02:17,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:02:17,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:02:17,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:02:17,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:02:17,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:02:17,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:02:17,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:02:17,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:02:17,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:02:17,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:02:17,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:02:17,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:02:17,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:02:17,459 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:02:17,510 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:02:17,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:02:17,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:02:17,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:02:17,517 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:02:17,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:02:17,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:02:17,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:02:17,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:02:17,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:02:17,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:02:17,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:02:17,520 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:02:17,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:02:17,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:02:17,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:02:17,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:02:17,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:02:17,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:02:17,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:02:17,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:02:17,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:02:17,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:02:17,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:02:17,522 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:02:17,522 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:02:17,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:02:18,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:02:18,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:02:18,020 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:02:18,021 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:02:18,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product14.cil.c [2021-01-06 19:02:18,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/85225e1d3/9dcb415b734c4a1982a30f178a39c216/FLAGa974bd5a7 [2021-01-06 19:02:18,985 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:02:18,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product14.cil.c [2021-01-06 19:02:19,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/85225e1d3/9dcb415b734c4a1982a30f178a39c216/FLAGa974bd5a7 [2021-01-06 19:02:19,038 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/85225e1d3/9dcb415b734c4a1982a30f178a39c216 [2021-01-06 19:02:19,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:02:19,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:02:19,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:02:19,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:02:19,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:02:19,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:02:19" (1/1) ... [2021-01-06 19:02:19,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e164dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:19, skipping insertion in model container [2021-01-06 19:02:19,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:02:19" (1/1) ... [2021-01-06 19:02:19,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:02:19,172 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] [2021-01-06 19:02:19,772 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product14.cil.c[17240,17253] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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[~__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~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_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~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_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~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_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~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_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] 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~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_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~15,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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[~retValue_acc~34,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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[~retValue_acc~40,] 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___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 19:02:20,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:02:20,105 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] [2021-01-06 19:02:20,275 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product14.cil.c[17240,17253] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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[~__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~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_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~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_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~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_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~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_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] 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~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_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~15,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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[~retValue_acc~34,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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[~retValue_acc~40,] 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___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 19:02:20,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:02:20,510 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:02:20,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:20 WrapperNode [2021-01-06 19:02:20,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:02:20,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:02:20,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:02:20,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:02:20,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:20" (1/1) ... [2021-01-06 19:02:20,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:20" (1/1) ... [2021-01-06 19:02:20,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:02:20,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:02:20,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:02:20,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:02:20,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:20" (1/1) ... [2021-01-06 19:02:20,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:20" (1/1) ... [2021-01-06 19:02:20,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:20" (1/1) ... [2021-01-06 19:02:20,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:20" (1/1) ... [2021-01-06 19:02:20,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:20" (1/1) ... [2021-01-06 19:02:20,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:20" (1/1) ... [2021-01-06 19:02:20,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:20" (1/1) ... [2021-01-06 19:02:20,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:02:20,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:02:20,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:02:20,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:02:20,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:02:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 19:02:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:02:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:02:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:02:21,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:02:23,943 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:02:23,943 INFO L299 CfgBuilder]: Removed 465 assume(true) statements. [2021-01-06 19:02:23,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:02:23 BoogieIcfgContainer [2021-01-06 19:02:23,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:02:23,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:02:23,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:02:23,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:02:23,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:02:19" (1/3) ... [2021-01-06 19:02:23,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ece5e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:02:23, skipping insertion in model container [2021-01-06 19:02:23,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:02:20" (2/3) ... [2021-01-06 19:02:23,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ece5e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:02:23, skipping insertion in model container [2021-01-06 19:02:23,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:02:23" (3/3) ... [2021-01-06 19:02:23,958 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product14.cil.c [2021-01-06 19:02:23,965 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:02:23,971 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-06 19:02:23,993 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-06 19:02:24,033 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:02:24,033 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:02:24,033 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:02:24,034 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:02:24,034 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:02:24,034 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:02:24,034 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:02:24,034 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:02:24,097 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states. [2021-01-06 19:02:24,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 19:02:24,114 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:24,115 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:24,116 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:24,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:24,123 INFO L82 PathProgramCache]: Analyzing trace with hash 70871394, now seen corresponding path program 1 times [2021-01-06 19:02:24,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:24,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089122071] [2021-01-06 19:02:24,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:24,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:24,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089122071] [2021-01-06 19:02:24,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:24,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:24,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257314552] [2021-01-06 19:02:24,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:24,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:24,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:24,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:24,659 INFO L87 Difference]: Start difference. First operand 766 states. Second operand 3 states. [2021-01-06 19:02:24,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:24,896 INFO L93 Difference]: Finished difference Result 2263 states and 3971 transitions. [2021-01-06 19:02:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:24,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2021-01-06 19:02:24,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:24,938 INFO L225 Difference]: With dead ends: 2263 [2021-01-06 19:02:24,939 INFO L226 Difference]: Without dead ends: 1384 [2021-01-06 19:02:24,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:24,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1384 states. [2021-01-06 19:02:25,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1384 to 701. [2021-01-06 19:02:25,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2021-01-06 19:02:25,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1222 transitions. [2021-01-06 19:02:25,096 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1222 transitions. Word has length 44 [2021-01-06 19:02:25,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:25,097 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1222 transitions. [2021-01-06 19:02:25,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:25,097 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1222 transitions. [2021-01-06 19:02:25,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-06 19:02:25,109 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:25,110 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:25,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:02:25,111 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:25,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:25,113 INFO L82 PathProgramCache]: Analyzing trace with hash 485384885, now seen corresponding path program 1 times [2021-01-06 19:02:25,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:25,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976833453] [2021-01-06 19:02:25,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:25,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:25,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976833453] [2021-01-06 19:02:25,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:25,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:02:25,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189066094] [2021-01-06 19:02:25,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:25,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:25,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:25,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:25,341 INFO L87 Difference]: Start difference. First operand 701 states and 1222 transitions. Second operand 5 states. [2021-01-06 19:02:25,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:25,605 INFO L93 Difference]: Finished difference Result 2052 states and 3582 transitions. [2021-01-06 19:02:25,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:02:25,606 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2021-01-06 19:02:25,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:25,615 INFO L225 Difference]: With dead ends: 2052 [2021-01-06 19:02:25,615 INFO L226 Difference]: Without dead ends: 1370 [2021-01-06 19:02:25,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:02:25,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2021-01-06 19:02:25,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 701. [2021-01-06 19:02:25,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2021-01-06 19:02:25,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1221 transitions. [2021-01-06 19:02:25,661 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1221 transitions. Word has length 46 [2021-01-06 19:02:25,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:25,662 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1221 transitions. [2021-01-06 19:02:25,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:02:25,663 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1221 transitions. [2021-01-06 19:02:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 19:02:25,667 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:25,668 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:25,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:02:25,669 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:25,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:25,673 INFO L82 PathProgramCache]: Analyzing trace with hash 594509634, now seen corresponding path program 1 times [2021-01-06 19:02:25,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:25,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404141192] [2021-01-06 19:02:25,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:25,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:25,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404141192] [2021-01-06 19:02:25,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:25,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:25,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370108785] [2021-01-06 19:02:25,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:25,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:25,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:25,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:25,813 INFO L87 Difference]: Start difference. First operand 701 states and 1221 transitions. Second operand 3 states. [2021-01-06 19:02:25,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:25,879 INFO L93 Difference]: Finished difference Result 1384 states and 2416 transitions. [2021-01-06 19:02:25,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:25,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2021-01-06 19:02:25,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:25,885 INFO L225 Difference]: With dead ends: 1384 [2021-01-06 19:02:25,885 INFO L226 Difference]: Without dead ends: 706 [2021-01-06 19:02:25,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:25,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2021-01-06 19:02:25,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 701. [2021-01-06 19:02:25,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2021-01-06 19:02:25,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1220 transitions. [2021-01-06 19:02:25,929 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1220 transitions. Word has length 47 [2021-01-06 19:02:25,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:25,935 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1220 transitions. [2021-01-06 19:02:25,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:25,936 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1220 transitions. [2021-01-06 19:02:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 19:02:25,937 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:25,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:25,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:02:25,938 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:25,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:25,938 INFO L82 PathProgramCache]: Analyzing trace with hash -572142200, now seen corresponding path program 1 times [2021-01-06 19:02:25,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:25,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708857152] [2021-01-06 19:02:25,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:26,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:26,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708857152] [2021-01-06 19:02:26,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:26,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:26,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910877870] [2021-01-06 19:02:26,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:26,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:26,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:26,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:26,096 INFO L87 Difference]: Start difference. First operand 701 states and 1220 transitions. Second operand 3 states. [2021-01-06 19:02:26,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:26,146 INFO L93 Difference]: Finished difference Result 1394 states and 2429 transitions. [2021-01-06 19:02:26,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:26,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-01-06 19:02:26,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:26,151 INFO L225 Difference]: With dead ends: 1394 [2021-01-06 19:02:26,151 INFO L226 Difference]: Without dead ends: 701 [2021-01-06 19:02:26,153 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:26,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2021-01-06 19:02:26,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 701. [2021-01-06 19:02:26,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2021-01-06 19:02:26,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1218 transitions. [2021-01-06 19:02:26,182 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1218 transitions. Word has length 48 [2021-01-06 19:02:26,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:26,183 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1218 transitions. [2021-01-06 19:02:26,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:26,183 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1218 transitions. [2021-01-06 19:02:26,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 19:02:26,184 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:26,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:26,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:02:26,185 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:26,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:26,186 INFO L82 PathProgramCache]: Analyzing trace with hash 455771997, now seen corresponding path program 1 times [2021-01-06 19:02:26,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:26,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262651118] [2021-01-06 19:02:26,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:26,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:26,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262651118] [2021-01-06 19:02:26,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:26,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:02:26,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632610328] [2021-01-06 19:02:26,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:26,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:26,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:26,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:26,261 INFO L87 Difference]: Start difference. First operand 701 states and 1218 transitions. Second operand 5 states. [2021-01-06 19:02:26,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:26,454 INFO L93 Difference]: Finished difference Result 2042 states and 3562 transitions. [2021-01-06 19:02:26,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:02:26,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2021-01-06 19:02:26,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:26,463 INFO L225 Difference]: With dead ends: 2042 [2021-01-06 19:02:26,464 INFO L226 Difference]: Without dead ends: 1368 [2021-01-06 19:02:26,466 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:02:26,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2021-01-06 19:02:26,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 701. [2021-01-06 19:02:26,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2021-01-06 19:02:26,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1217 transitions. [2021-01-06 19:02:26,509 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1217 transitions. Word has length 49 [2021-01-06 19:02:26,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:26,509 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1217 transitions. [2021-01-06 19:02:26,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:02:26,509 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1217 transitions. [2021-01-06 19:02:26,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 19:02:26,511 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:26,511 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:26,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:02:26,511 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:26,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:26,512 INFO L82 PathProgramCache]: Analyzing trace with hash 668619456, now seen corresponding path program 1 times [2021-01-06 19:02:26,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:26,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852243104] [2021-01-06 19:02:26,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:26,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:26,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852243104] [2021-01-06 19:02:26,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:26,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:02:26,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438931388] [2021-01-06 19:02:26,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:26,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:26,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:26,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:26,658 INFO L87 Difference]: Start difference. First operand 701 states and 1217 transitions. Second operand 5 states. [2021-01-06 19:02:26,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:26,879 INFO L93 Difference]: Finished difference Result 2047 states and 3567 transitions. [2021-01-06 19:02:26,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:02:26,880 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2021-01-06 19:02:26,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:26,888 INFO L225 Difference]: With dead ends: 2047 [2021-01-06 19:02:26,889 INFO L226 Difference]: Without dead ends: 1373 [2021-01-06 19:02:26,890 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:02:26,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2021-01-06 19:02:26,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 701. [2021-01-06 19:02:26,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2021-01-06 19:02:26,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1216 transitions. [2021-01-06 19:02:26,977 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1216 transitions. Word has length 50 [2021-01-06 19:02:26,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:26,977 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1216 transitions. [2021-01-06 19:02:26,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:02:26,978 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1216 transitions. [2021-01-06 19:02:26,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 19:02:26,979 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:26,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:26,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:02:26,981 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:26,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:26,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1266463272, now seen corresponding path program 1 times [2021-01-06 19:02:26,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:26,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083655027] [2021-01-06 19:02:26,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:27,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:27,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083655027] [2021-01-06 19:02:27,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:27,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:27,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852311606] [2021-01-06 19:02:27,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:27,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:27,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:27,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:27,049 INFO L87 Difference]: Start difference. First operand 701 states and 1216 transitions. Second operand 3 states. [2021-01-06 19:02:27,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:27,095 INFO L93 Difference]: Finished difference Result 1125 states and 1933 transitions. [2021-01-06 19:02:27,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:27,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-01-06 19:02:27,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:27,100 INFO L225 Difference]: With dead ends: 1125 [2021-01-06 19:02:27,100 INFO L226 Difference]: Without dead ends: 704 [2021-01-06 19:02:27,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:27,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2021-01-06 19:02:27,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 703. [2021-01-06 19:02:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2021-01-06 19:02:27,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1218 transitions. [2021-01-06 19:02:27,144 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1218 transitions. Word has length 51 [2021-01-06 19:02:27,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:27,145 INFO L481 AbstractCegarLoop]: Abstraction has 703 states and 1218 transitions. [2021-01-06 19:02:27,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:27,145 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1218 transitions. [2021-01-06 19:02:27,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 19:02:27,146 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:27,146 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:27,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:02:27,147 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:27,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:27,147 INFO L82 PathProgramCache]: Analyzing trace with hash 685043670, now seen corresponding path program 1 times [2021-01-06 19:02:27,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:27,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514259391] [2021-01-06 19:02:27,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:27,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:27,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514259391] [2021-01-06 19:02:27,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:27,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:27,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766453691] [2021-01-06 19:02:27,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:27,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:27,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:27,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:27,241 INFO L87 Difference]: Start difference. First operand 703 states and 1218 transitions. Second operand 3 states. [2021-01-06 19:02:27,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:27,333 INFO L93 Difference]: Finished difference Result 1995 states and 3478 transitions. [2021-01-06 19:02:27,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:27,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2021-01-06 19:02:27,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:27,343 INFO L225 Difference]: With dead ends: 1995 [2021-01-06 19:02:27,343 INFO L226 Difference]: Without dead ends: 1323 [2021-01-06 19:02:27,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:27,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2021-01-06 19:02:27,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 902. [2021-01-06 19:02:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2021-01-06 19:02:27,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1586 transitions. [2021-01-06 19:02:27,407 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1586 transitions. Word has length 57 [2021-01-06 19:02:27,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:27,409 INFO L481 AbstractCegarLoop]: Abstraction has 902 states and 1586 transitions. [2021-01-06 19:02:27,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:27,409 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1586 transitions. [2021-01-06 19:02:27,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 19:02:27,410 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:27,411 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:27,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:02:27,411 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:27,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:27,412 INFO L82 PathProgramCache]: Analyzing trace with hash -300474635, now seen corresponding path program 1 times [2021-01-06 19:02:27,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:27,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666280662] [2021-01-06 19:02:27,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:27,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:27,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666280662] [2021-01-06 19:02:27,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193931157] [2021-01-06 19:02:27,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:02:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:27,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:02:27,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:02:28,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 19:02:28,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 19:02:28,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 19:02:28,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335162884] [2021-01-06 19:02:28,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:28,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:28,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:28,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:28,010 INFO L87 Difference]: Start difference. First operand 902 states and 1586 transitions. Second operand 3 states. [2021-01-06 19:02:28,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:28,083 INFO L93 Difference]: Finished difference Result 1236 states and 2148 transitions. [2021-01-06 19:02:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:28,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 19:02:28,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:28,089 INFO L225 Difference]: With dead ends: 1236 [2021-01-06 19:02:28,089 INFO L226 Difference]: Without dead ends: 904 [2021-01-06 19:02:28,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:28,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2021-01-06 19:02:28,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 890. [2021-01-06 19:02:28,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2021-01-06 19:02:28,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1568 transitions. [2021-01-06 19:02:28,148 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1568 transitions. Word has length 58 [2021-01-06 19:02:28,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:28,148 INFO L481 AbstractCegarLoop]: Abstraction has 890 states and 1568 transitions. [2021-01-06 19:02:28,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:28,148 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1568 transitions. [2021-01-06 19:02:28,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 19:02:28,151 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:28,151 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:28,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-06 19:02:28,365 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:28,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:28,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1832305529, now seen corresponding path program 1 times [2021-01-06 19:02:28,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:28,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609391095] [2021-01-06 19:02:28,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:28,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609391095] [2021-01-06 19:02:28,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784922405] [2021-01-06 19:02:28,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:02:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:28,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:02:28,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:02:29,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:29,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:02:29,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 19:02:29,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591682622] [2021-01-06 19:02:29,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:29,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:29,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:29,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:29,069 INFO L87 Difference]: Start difference. First operand 890 states and 1568 transitions. Second operand 5 states. [2021-01-06 19:02:29,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:29,207 INFO L93 Difference]: Finished difference Result 1963 states and 3427 transitions. [2021-01-06 19:02:29,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:02:29,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2021-01-06 19:02:29,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:29,217 INFO L225 Difference]: With dead ends: 1963 [2021-01-06 19:02:29,218 INFO L226 Difference]: Without dead ends: 1554 [2021-01-06 19:02:29,219 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:29,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2021-01-06 19:02:29,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1143. [2021-01-06 19:02:29,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2021-01-06 19:02:29,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 2033 transitions. [2021-01-06 19:02:29,303 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 2033 transitions. Word has length 88 [2021-01-06 19:02:29,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:29,303 INFO L481 AbstractCegarLoop]: Abstraction has 1143 states and 2033 transitions. [2021-01-06 19:02:29,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:02:29,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 2033 transitions. [2021-01-06 19:02:29,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-01-06 19:02:29,307 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:29,307 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:29,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-06 19:02:29,520 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:29,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:29,523 INFO L82 PathProgramCache]: Analyzing trace with hash -2040181588, now seen corresponding path program 1 times [2021-01-06 19:02:29,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:29,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144539622] [2021-01-06 19:02:29,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:29,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:29,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144539622] [2021-01-06 19:02:29,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:29,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:29,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034892222] [2021-01-06 19:02:29,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:29,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:29,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:29,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:29,636 INFO L87 Difference]: Start difference. First operand 1143 states and 2033 transitions. Second operand 3 states. [2021-01-06 19:02:29,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:29,760 INFO L93 Difference]: Finished difference Result 3056 states and 5448 transitions. [2021-01-06 19:02:29,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:29,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2021-01-06 19:02:29,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:29,772 INFO L225 Difference]: With dead ends: 3056 [2021-01-06 19:02:29,772 INFO L226 Difference]: Without dead ends: 2002 [2021-01-06 19:02:29,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:29,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2021-01-06 19:02:29,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1593. [2021-01-06 19:02:29,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1593 states. [2021-01-06 19:02:29,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2861 transitions. [2021-01-06 19:02:29,880 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2861 transitions. Word has length 94 [2021-01-06 19:02:29,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:29,881 INFO L481 AbstractCegarLoop]: Abstraction has 1593 states and 2861 transitions. [2021-01-06 19:02:29,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:29,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2861 transitions. [2021-01-06 19:02:29,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-01-06 19:02:29,885 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:29,886 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:29,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 19:02:29,886 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:29,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:29,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1002262652, now seen corresponding path program 2 times [2021-01-06 19:02:29,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:29,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311145583] [2021-01-06 19:02:29,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:29,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311145583] [2021-01-06 19:02:29,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:29,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:29,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702401717] [2021-01-06 19:02:29,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:29,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:29,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:29,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:29,992 INFO L87 Difference]: Start difference. First operand 1593 states and 2861 transitions. Second operand 3 states. [2021-01-06 19:02:30,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:30,108 INFO L93 Difference]: Finished difference Result 3309 states and 5911 transitions. [2021-01-06 19:02:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:30,108 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2021-01-06 19:02:30,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:30,119 INFO L225 Difference]: With dead ends: 3309 [2021-01-06 19:02:30,119 INFO L226 Difference]: Without dead ends: 2002 [2021-01-06 19:02:30,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:30,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2021-01-06 19:02:30,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1593. [2021-01-06 19:02:30,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1593 states. [2021-01-06 19:02:30,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2859 transitions. [2021-01-06 19:02:30,216 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2859 transitions. Word has length 95 [2021-01-06 19:02:30,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:30,216 INFO L481 AbstractCegarLoop]: Abstraction has 1593 states and 2859 transitions. [2021-01-06 19:02:30,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:30,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2859 transitions. [2021-01-06 19:02:30,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-01-06 19:02:30,220 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:30,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:30,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 19:02:30,221 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:30,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:30,221 INFO L82 PathProgramCache]: Analyzing trace with hash 396601531, now seen corresponding path program 1 times [2021-01-06 19:02:30,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:30,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907473606] [2021-01-06 19:02:30,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:30,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:30,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907473606] [2021-01-06 19:02:30,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:30,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:30,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363423129] [2021-01-06 19:02:30,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:30,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:30,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:30,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:30,311 INFO L87 Difference]: Start difference. First operand 1593 states and 2859 transitions. Second operand 3 states. [2021-01-06 19:02:30,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:30,459 INFO L93 Difference]: Finished difference Result 4378 states and 7881 transitions. [2021-01-06 19:02:30,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:30,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2021-01-06 19:02:30,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:30,477 INFO L225 Difference]: With dead ends: 4378 [2021-01-06 19:02:30,477 INFO L226 Difference]: Without dead ends: 2882 [2021-01-06 19:02:30,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:30,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2021-01-06 19:02:30,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2473. [2021-01-06 19:02:30,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2473 states. [2021-01-06 19:02:30,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2473 states and 4478 transitions. [2021-01-06 19:02:30,656 INFO L78 Accepts]: Start accepts. Automaton has 2473 states and 4478 transitions. Word has length 95 [2021-01-06 19:02:30,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:30,656 INFO L481 AbstractCegarLoop]: Abstraction has 2473 states and 4478 transitions. [2021-01-06 19:02:30,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:30,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 4478 transitions. [2021-01-06 19:02:30,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-06 19:02:30,663 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:30,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:30,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:02:30,663 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:30,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:30,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1530508306, now seen corresponding path program 1 times [2021-01-06 19:02:30,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:30,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434183830] [2021-01-06 19:02:30,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:30,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434183830] [2021-01-06 19:02:30,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:30,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:30,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425193077] [2021-01-06 19:02:30,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:30,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:30,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:30,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:30,735 INFO L87 Difference]: Start difference. First operand 2473 states and 4478 transitions. Second operand 3 states. [2021-01-06 19:02:30,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:30,983 INFO L93 Difference]: Finished difference Result 6754 states and 12257 transitions. [2021-01-06 19:02:30,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:30,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2021-01-06 19:02:30,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:31,014 INFO L225 Difference]: With dead ends: 6754 [2021-01-06 19:02:31,014 INFO L226 Difference]: Without dead ends: 4412 [2021-01-06 19:02:31,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:31,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4412 states. [2021-01-06 19:02:31,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4412 to 4003. [2021-01-06 19:02:31,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4003 states. [2021-01-06 19:02:31,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4003 states to 4003 states and 7291 transitions. [2021-01-06 19:02:31,295 INFO L78 Accepts]: Start accepts. Automaton has 4003 states and 7291 transitions. Word has length 96 [2021-01-06 19:02:31,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:31,296 INFO L481 AbstractCegarLoop]: Abstraction has 4003 states and 7291 transitions. [2021-01-06 19:02:31,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:31,296 INFO L276 IsEmpty]: Start isEmpty. Operand 4003 states and 7291 transitions. [2021-01-06 19:02:31,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-01-06 19:02:31,350 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:31,350 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:31,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 19:02:31,351 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:31,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:31,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1994242676, now seen corresponding path program 1 times [2021-01-06 19:02:31,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:31,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071271317] [2021-01-06 19:02:31,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:31,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071271317] [2021-01-06 19:02:31,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:31,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:31,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814255824] [2021-01-06 19:02:31,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:31,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:31,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:31,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:31,427 INFO L87 Difference]: Start difference. First operand 4003 states and 7291 transitions. Second operand 3 states. [2021-01-06 19:02:31,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:31,751 INFO L93 Difference]: Finished difference Result 11060 states and 20179 transitions. [2021-01-06 19:02:31,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:31,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2021-01-06 19:02:31,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:31,774 INFO L225 Difference]: With dead ends: 11060 [2021-01-06 19:02:31,774 INFO L226 Difference]: Without dead ends: 7222 [2021-01-06 19:02:31,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:31,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7222 states. [2021-01-06 19:02:32,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7222 to 6813. [2021-01-06 19:02:32,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6813 states. [2021-01-06 19:02:32,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6813 states to 6813 states and 12452 transitions. [2021-01-06 19:02:32,245 INFO L78 Accepts]: Start accepts. Automaton has 6813 states and 12452 transitions. Word has length 97 [2021-01-06 19:02:32,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:32,246 INFO L481 AbstractCegarLoop]: Abstraction has 6813 states and 12452 transitions. [2021-01-06 19:02:32,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:32,246 INFO L276 IsEmpty]: Start isEmpty. Operand 6813 states and 12452 transitions. [2021-01-06 19:02:32,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-01-06 19:02:32,262 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:32,262 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:32,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 19:02:32,263 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:32,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:32,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1417321776, now seen corresponding path program 1 times [2021-01-06 19:02:32,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:32,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670946792] [2021-01-06 19:02:32,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:32,366 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 19:02:32,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670946792] [2021-01-06 19:02:32,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:32,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:02:32,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362020969] [2021-01-06 19:02:32,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:02:32,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:32,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:02:32,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:32,369 INFO L87 Difference]: Start difference. First operand 6813 states and 12452 transitions. Second operand 5 states. [2021-01-06 19:02:33,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:33,302 INFO L93 Difference]: Finished difference Result 19580 states and 35823 transitions. [2021-01-06 19:02:33,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:02:33,303 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2021-01-06 19:02:33,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:33,339 INFO L225 Difference]: With dead ends: 19580 [2021-01-06 19:02:33,339 INFO L226 Difference]: Without dead ends: 13053 [2021-01-06 19:02:33,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:02:33,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13053 states. [2021-01-06 19:02:33,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13053 to 6813. [2021-01-06 19:02:33,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6813 states. [2021-01-06 19:02:33,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6813 states to 6813 states and 12402 transitions. [2021-01-06 19:02:33,772 INFO L78 Accepts]: Start accepts. Automaton has 6813 states and 12402 transitions. Word has length 98 [2021-01-06 19:02:33,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:33,772 INFO L481 AbstractCegarLoop]: Abstraction has 6813 states and 12402 transitions. [2021-01-06 19:02:33,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:02:33,772 INFO L276 IsEmpty]: Start isEmpty. Operand 6813 states and 12402 transitions. [2021-01-06 19:02:33,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-01-06 19:02:33,787 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:33,787 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:33,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 19:02:33,787 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:33,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:33,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1536024865, now seen corresponding path program 1 times [2021-01-06 19:02:33,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:33,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130053851] [2021-01-06 19:02:33,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:33,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:33,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130053851] [2021-01-06 19:02:33,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:33,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:02:33,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003772106] [2021-01-06 19:02:33,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:02:33,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:33,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:02:33,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:33,858 INFO L87 Difference]: Start difference. First operand 6813 states and 12402 transitions. Second operand 3 states. [2021-01-06 19:02:34,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:34,485 INFO L93 Difference]: Finished difference Result 19948 states and 36357 transitions. [2021-01-06 19:02:34,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:02:34,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2021-01-06 19:02:34,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:34,524 INFO L225 Difference]: With dead ends: 19948 [2021-01-06 19:02:34,525 INFO L226 Difference]: Without dead ends: 13304 [2021-01-06 19:02:34,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:02:34,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13304 states. [2021-01-06 19:02:35,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13304 to 12895. [2021-01-06 19:02:35,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12895 states. [2021-01-06 19:02:35,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12895 states to 12895 states and 23507 transitions. [2021-01-06 19:02:35,165 INFO L78 Accepts]: Start accepts. Automaton has 12895 states and 23507 transitions. Word has length 98 [2021-01-06 19:02:35,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:35,165 INFO L481 AbstractCegarLoop]: Abstraction has 12895 states and 23507 transitions. [2021-01-06 19:02:35,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:02:35,165 INFO L276 IsEmpty]: Start isEmpty. Operand 12895 states and 23507 transitions. [2021-01-06 19:02:35,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 19:02:35,190 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:35,190 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:35,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 19:02:35,191 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:35,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:35,191 INFO L82 PathProgramCache]: Analyzing trace with hash -941046261, now seen corresponding path program 1 times [2021-01-06 19:02:35,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:35,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054837638] [2021-01-06 19:02:35,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:35,421 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:02:35,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054837638] [2021-01-06 19:02:35,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:35,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:02:35,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88014993] [2021-01-06 19:02:35,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:02:35,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:35,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:02:35,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:02:35,424 INFO L87 Difference]: Start difference. First operand 12895 states and 23507 transitions. Second operand 9 states. [2021-01-06 19:02:38,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:38,225 INFO L93 Difference]: Finished difference Result 27326 states and 49587 transitions. [2021-01-06 19:02:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 19:02:38,225 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 99 [2021-01-06 19:02:38,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:38,308 INFO L225 Difference]: With dead ends: 27326 [2021-01-06 19:02:38,309 INFO L226 Difference]: Without dead ends: 26974 [2021-01-06 19:02:38,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2021-01-06 19:02:38,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26974 states. [2021-01-06 19:02:39,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26974 to 25527. [2021-01-06 19:02:39,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25527 states. [2021-01-06 19:02:39,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25527 states to 25527 states and 46565 transitions. [2021-01-06 19:02:39,549 INFO L78 Accepts]: Start accepts. Automaton has 25527 states and 46565 transitions. Word has length 99 [2021-01-06 19:02:39,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:39,550 INFO L481 AbstractCegarLoop]: Abstraction has 25527 states and 46565 transitions. [2021-01-06 19:02:39,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:02:39,550 INFO L276 IsEmpty]: Start isEmpty. Operand 25527 states and 46565 transitions. [2021-01-06 19:02:39,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-01-06 19:02:39,589 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:39,589 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:39,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 19:02:39,589 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:39,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:39,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1181632275, now seen corresponding path program 1 times [2021-01-06 19:02:39,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:39,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964777940] [2021-01-06 19:02:39,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:39,669 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:02:39,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964777940] [2021-01-06 19:02:39,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:39,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:02:39,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772935015] [2021-01-06 19:02:39,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:02:39,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:39,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:02:39,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:02:39,672 INFO L87 Difference]: Start difference. First operand 25527 states and 46565 transitions. Second operand 4 states. [2021-01-06 19:02:40,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:40,659 INFO L93 Difference]: Finished difference Result 26274 states and 47829 transitions. [2021-01-06 19:02:40,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:02:40,659 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2021-01-06 19:02:40,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:40,730 INFO L225 Difference]: With dead ends: 26274 [2021-01-06 19:02:40,730 INFO L226 Difference]: Without dead ends: 25870 [2021-01-06 19:02:40,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:02:40,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25870 states. [2021-01-06 19:02:41,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25870 to 25526. [2021-01-06 19:02:41,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25526 states. [2021-01-06 19:02:41,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25526 states to 25526 states and 46561 transitions. [2021-01-06 19:02:41,901 INFO L78 Accepts]: Start accepts. Automaton has 25526 states and 46561 transitions. Word has length 100 [2021-01-06 19:02:41,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:41,901 INFO L481 AbstractCegarLoop]: Abstraction has 25526 states and 46561 transitions. [2021-01-06 19:02:41,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:02:41,901 INFO L276 IsEmpty]: Start isEmpty. Operand 25526 states and 46561 transitions. [2021-01-06 19:02:41,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-01-06 19:02:41,927 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:41,927 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:41,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 19:02:41,927 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:41,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:41,928 INFO L82 PathProgramCache]: Analyzing trace with hash -36511883, now seen corresponding path program 1 times [2021-01-06 19:02:41,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:41,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018989807] [2021-01-06 19:02:41,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:02:42,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018989807] [2021-01-06 19:02:42,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:42,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 19:02:42,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513849874] [2021-01-06 19:02:42,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 19:02:42,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:42,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 19:02:42,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:02:42,028 INFO L87 Difference]: Start difference. First operand 25526 states and 46561 transitions. Second operand 7 states. [2021-01-06 19:02:43,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:43,194 INFO L93 Difference]: Finished difference Result 26345 states and 47932 transitions. [2021-01-06 19:02:43,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:02:43,196 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 101 [2021-01-06 19:02:43,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:43,251 INFO L225 Difference]: With dead ends: 26345 [2021-01-06 19:02:43,251 INFO L226 Difference]: Without dead ends: 25675 [2021-01-06 19:02:43,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-01-06 19:02:43,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25675 states. [2021-01-06 19:02:44,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25675 to 25490. [2021-01-06 19:02:44,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25490 states. [2021-01-06 19:02:44,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25490 states to 25490 states and 46480 transitions. [2021-01-06 19:02:44,306 INFO L78 Accepts]: Start accepts. Automaton has 25490 states and 46480 transitions. Word has length 101 [2021-01-06 19:02:44,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:44,306 INFO L481 AbstractCegarLoop]: Abstraction has 25490 states and 46480 transitions. [2021-01-06 19:02:44,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 19:02:44,306 INFO L276 IsEmpty]: Start isEmpty. Operand 25490 states and 46480 transitions. [2021-01-06 19:02:44,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-01-06 19:02:44,333 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:44,333 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:44,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 19:02:44,334 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:44,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:44,334 INFO L82 PathProgramCache]: Analyzing trace with hash 520193613, now seen corresponding path program 1 times [2021-01-06 19:02:44,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:44,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561491859] [2021-01-06 19:02:44,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:44,466 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:02:44,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561491859] [2021-01-06 19:02:44,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:44,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 19:02:44,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95061473] [2021-01-06 19:02:44,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:02:44,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:44,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:02:44,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:02:44,472 INFO L87 Difference]: Start difference. First operand 25490 states and 46480 transitions. Second operand 9 states. [2021-01-06 19:02:47,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:47,821 INFO L93 Difference]: Finished difference Result 54348 states and 98549 transitions. [2021-01-06 19:02:47,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-01-06 19:02:47,822 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 101 [2021-01-06 19:02:47,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:47,893 INFO L225 Difference]: With dead ends: 54348 [2021-01-06 19:02:47,893 INFO L226 Difference]: Without dead ends: 53714 [2021-01-06 19:02:47,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=337, Unknown=0, NotChecked=0, Total=506 [2021-01-06 19:02:47,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53714 states. [2021-01-06 19:02:50,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53714 to 50644. [2021-01-06 19:02:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50644 states. [2021-01-06 19:02:50,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50644 states to 50644 states and 92379 transitions. [2021-01-06 19:02:50,236 INFO L78 Accepts]: Start accepts. Automaton has 50644 states and 92379 transitions. Word has length 101 [2021-01-06 19:02:50,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:50,237 INFO L481 AbstractCegarLoop]: Abstraction has 50644 states and 92379 transitions. [2021-01-06 19:02:50,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:02:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 50644 states and 92379 transitions. [2021-01-06 19:02:50,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-01-06 19:02:50,286 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:50,286 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:50,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 19:02:50,287 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:50,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:50,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1529194229, now seen corresponding path program 1 times [2021-01-06 19:02:50,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:50,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525138104] [2021-01-06 19:02:50,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:50,447 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:02:50,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525138104] [2021-01-06 19:02:50,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:02:50,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 19:02:50,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117613348] [2021-01-06 19:02:50,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 19:02:50,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:50,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 19:02:50,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:02:50,449 INFO L87 Difference]: Start difference. First operand 50644 states and 92379 transitions. Second operand 10 states. [2021-01-06 19:02:54,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:54,184 INFO L93 Difference]: Finished difference Result 57099 states and 103209 transitions. [2021-01-06 19:02:54,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-06 19:02:54,188 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 101 [2021-01-06 19:02:54,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:54,263 INFO L225 Difference]: With dead ends: 57099 [2021-01-06 19:02:54,263 INFO L226 Difference]: Without dead ends: 56099 [2021-01-06 19:02:54,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=290, Invalid=766, Unknown=0, NotChecked=0, Total=1056 [2021-01-06 19:02:54,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56099 states. [2021-01-06 19:02:56,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56099 to 50942. [2021-01-06 19:02:56,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50942 states. [2021-01-06 19:02:56,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50942 states to 50942 states and 92845 transitions. [2021-01-06 19:02:56,304 INFO L78 Accepts]: Start accepts. Automaton has 50942 states and 92845 transitions. Word has length 101 [2021-01-06 19:02:56,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:02:56,305 INFO L481 AbstractCegarLoop]: Abstraction has 50942 states and 92845 transitions. [2021-01-06 19:02:56,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 19:02:56,305 INFO L276 IsEmpty]: Start isEmpty. Operand 50942 states and 92845 transitions. [2021-01-06 19:02:56,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 19:02:56,342 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:02:56,342 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:02:56,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 19:02:56,343 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:02:56,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:02:56,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1315531598, now seen corresponding path program 1 times [2021-01-06 19:02:56,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:02:56,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236925615] [2021-01-06 19:02:56,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:02:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:56,467 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:56,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236925615] [2021-01-06 19:02:56,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647513074] [2021-01-06 19:02:56,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:02:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:02:56,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 19:02:56,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:02:56,964 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:02:56,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:02:56,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-01-06 19:02:56,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519245534] [2021-01-06 19:02:56,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 19:02:56,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:02:56,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 19:02:56,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:02:56,967 INFO L87 Difference]: Start difference. First operand 50942 states and 92845 transitions. Second operand 10 states. [2021-01-06 19:02:59,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:02:59,724 INFO L93 Difference]: Finished difference Result 59063 states and 106789 transitions. [2021-01-06 19:02:59,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-06 19:02:59,724 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 102 [2021-01-06 19:02:59,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:02:59,803 INFO L225 Difference]: With dead ends: 59063 [2021-01-06 19:02:59,803 INFO L226 Difference]: Without dead ends: 55854 [2021-01-06 19:02:59,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2021-01-06 19:02:59,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55854 states. [2021-01-06 19:03:02,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55854 to 53961. [2021-01-06 19:03:02,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53961 states. [2021-01-06 19:03:02,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53961 states to 53961 states and 98446 transitions. [2021-01-06 19:03:02,196 INFO L78 Accepts]: Start accepts. Automaton has 53961 states and 98446 transitions. Word has length 102 [2021-01-06 19:03:02,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:02,196 INFO L481 AbstractCegarLoop]: Abstraction has 53961 states and 98446 transitions. [2021-01-06 19:03:02,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 19:03:02,196 INFO L276 IsEmpty]: Start isEmpty. Operand 53961 states and 98446 transitions. [2021-01-06 19:03:02,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 19:03:02,237 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:02,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:02,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-01-06 19:03:02,438 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:02,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:02,440 INFO L82 PathProgramCache]: Analyzing trace with hash 506079760, now seen corresponding path program 1 times [2021-01-06 19:03:02,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:02,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074039270] [2021-01-06 19:03:02,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:02,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:02,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074039270] [2021-01-06 19:03:02,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:02,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:02,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855577516] [2021-01-06 19:03:02,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:02,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:02,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:02,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:02,510 INFO L87 Difference]: Start difference. First operand 53961 states and 98446 transitions. Second operand 3 states. [2021-01-06 19:03:06,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:06,248 INFO L93 Difference]: Finished difference Result 154271 states and 282026 transitions. [2021-01-06 19:03:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:06,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2021-01-06 19:03:06,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:06,439 INFO L225 Difference]: With dead ends: 154271 [2021-01-06 19:03:06,440 INFO L226 Difference]: Without dead ends: 102382 [2021-01-06 19:03:06,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:06,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102382 states. [2021-01-06 19:03:10,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102382 to 101877. [2021-01-06 19:03:10,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101877 states. [2021-01-06 19:03:11,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101877 states to 101877 states and 186098 transitions. [2021-01-06 19:03:11,000 INFO L78 Accepts]: Start accepts. Automaton has 101877 states and 186098 transitions. Word has length 105 [2021-01-06 19:03:11,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:11,001 INFO L481 AbstractCegarLoop]: Abstraction has 101877 states and 186098 transitions. [2021-01-06 19:03:11,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand 101877 states and 186098 transitions. [2021-01-06 19:03:11,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 19:03:11,111 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:11,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:11,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 19:03:11,112 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:11,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:11,114 INFO L82 PathProgramCache]: Analyzing trace with hash -134782026, now seen corresponding path program 1 times [2021-01-06 19:03:11,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:11,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542961759] [2021-01-06 19:03:11,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:11,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:11,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542961759] [2021-01-06 19:03:11,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:11,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:11,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358259866] [2021-01-06 19:03:11,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:11,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:11,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:11,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:11,189 INFO L87 Difference]: Start difference. First operand 101877 states and 186098 transitions. Second operand 3 states. [2021-01-06 19:03:18,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:18,070 INFO L93 Difference]: Finished difference Result 275413 states and 501561 transitions. [2021-01-06 19:03:18,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:18,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2021-01-06 19:03:18,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:18,448 INFO L225 Difference]: With dead ends: 275413 [2021-01-06 19:03:18,449 INFO L226 Difference]: Without dead ends: 176501 [2021-01-06 19:03:18,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:18,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176501 states. [2021-01-06 19:03:25,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176501 to 175996. [2021-01-06 19:03:25,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175996 states. [2021-01-06 19:03:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175996 states to 175996 states and 319370 transitions. [2021-01-06 19:03:26,493 INFO L78 Accepts]: Start accepts. Automaton has 175996 states and 319370 transitions. Word has length 106 [2021-01-06 19:03:26,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:26,493 INFO L481 AbstractCegarLoop]: Abstraction has 175996 states and 319370 transitions. [2021-01-06 19:03:26,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 175996 states and 319370 transitions. [2021-01-06 19:03:26,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 19:03:26,595 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:26,596 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:26,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 19:03:26,596 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:26,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:26,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1594439874, now seen corresponding path program 1 times [2021-01-06 19:03:26,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:26,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252112817] [2021-01-06 19:03:26,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:26,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252112817] [2021-01-06 19:03:26,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:26,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:26,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499040702] [2021-01-06 19:03:26,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:26,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:26,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:26,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:26,688 INFO L87 Difference]: Start difference. First operand 175996 states and 319370 transitions. Second operand 3 states. [2021-01-06 19:03:39,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:03:39,149 INFO L93 Difference]: Finished difference Result 487643 states and 884407 transitions. [2021-01-06 19:03:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:03:39,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2021-01-06 19:03:39,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:03:40,230 INFO L225 Difference]: With dead ends: 487643 [2021-01-06 19:03:40,231 INFO L226 Difference]: Without dead ends: 315528 [2021-01-06 19:03:40,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:40,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315528 states. [2021-01-06 19:03:54,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315528 to 315023. [2021-01-06 19:03:54,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315023 states. [2021-01-06 19:03:55,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315023 states to 315023 states and 570068 transitions. [2021-01-06 19:03:55,325 INFO L78 Accepts]: Start accepts. Automaton has 315023 states and 570068 transitions. Word has length 107 [2021-01-06 19:03:55,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:03:55,326 INFO L481 AbstractCegarLoop]: Abstraction has 315023 states and 570068 transitions. [2021-01-06 19:03:55,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:03:55,326 INFO L276 IsEmpty]: Start isEmpty. Operand 315023 states and 570068 transitions. [2021-01-06 19:03:55,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-01-06 19:03:55,477 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:03:55,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:03:55,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 19:03:55,478 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:03:55,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:03:55,478 INFO L82 PathProgramCache]: Analyzing trace with hash -753802017, now seen corresponding path program 1 times [2021-01-06 19:03:55,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:03:55,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088462250] [2021-01-06 19:03:55,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:03:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:03:55,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:03:55,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088462250] [2021-01-06 19:03:55,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:03:55,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:03:55,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783031296] [2021-01-06 19:03:55,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:03:55,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:03:55,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:03:55,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:03:55,589 INFO L87 Difference]: Start difference. First operand 315023 states and 570068 transitions. Second operand 3 states.