/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec9_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:13:57,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:13:57,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:13:57,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:13:57,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:13:57,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:13:57,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:13:57,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:13:57,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:13:57,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:13:57,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:13:57,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:13:57,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:13:57,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:13:57,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:13:57,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:13:57,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:13:57,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:13:57,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:13:57,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:13:57,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:13:57,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:13:57,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:13:57,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:13:57,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:13:57,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:13:57,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:13:57,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:13:57,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:13:57,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:13:57,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:13:57,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:13:57,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:13:57,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:13:57,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:13:57,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:13:57,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:13:57,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:13:57,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:13:57,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:13:57,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:13:57,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:13:57,495 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:13:57,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:13:57,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:13:57,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:13:57,497 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:13:57,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:13:57,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:13:57,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:13:57,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:13:57,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:13:57,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:13:57,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:13:57,500 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:13:57,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:13:57,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:13:57,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:13:57,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:13:57,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:13:57,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:13:57,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:13:57,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:13:57,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:13:57,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:13:57,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:13:57,504 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:13:57,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:13:57,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:13:57,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:13:57,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:13:57,911 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:13:57,912 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:13:57,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product29.cil.c [2020-12-23 09:13:58,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/22d23894e/a9f882e27b494f4aaaa6f79239833327/FLAG9efb4e9eb [2020-12-23 09:13:58,796 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:13:58,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product29.cil.c [2020-12-23 09:13:58,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/22d23894e/a9f882e27b494f4aaaa6f79239833327/FLAG9efb4e9eb [2020-12-23 09:13:58,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/22d23894e/a9f882e27b494f4aaaa6f79239833327 [2020-12-23 09:13:58,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:13:58,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:13:58,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:13:58,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:13:58,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:13:58,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:13:58" (1/1) ... [2020-12-23 09:13:59,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1430fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:13:58, skipping insertion in model container [2020-12-23 09:13:59,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:13:58" (1/1) ... [2020-12-23 09:13:59,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:13:59,095 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] 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_tmp9~1,] 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_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] 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_tmp7~2,] 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[~tmp~16,] 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_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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_tmp7~3,] 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_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~17,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] 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_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~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_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~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_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~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_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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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[~__ste_Client_counter~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~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[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~19,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] 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[~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[~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[~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[~retValue_acc~32,] 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~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[~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[~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[~retValue_acc~33,] 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~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_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~20,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] 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_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~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[~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[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~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[~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[~retValue_acc~40,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] 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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] 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___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] 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_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] [2020-12-23 09:13:59,844 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product29.cil.c[64765,64778] [2020-12-23 09:13:59,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:13:59,883 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] 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_tmp9~1,] 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_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] 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_tmp7~2,] 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[~tmp~16,] 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_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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_tmp7~3,] 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_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~17,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] 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_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~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_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~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_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~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_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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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[~__ste_Client_counter~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~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[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~19,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] 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[~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[~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[~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[~retValue_acc~32,] 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~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[~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[~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[~retValue_acc~33,] 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~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_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~20,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] 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_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~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[~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[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~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[~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[~retValue_acc~40,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] 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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] 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___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] 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_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] [2020-12-23 09:14:00,068 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product29.cil.c[64765,64778] [2020-12-23 09:14:00,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:14:00,172 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:14:00,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:00 WrapperNode [2020-12-23 09:14:00,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:14:00,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:14:00,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:14:00,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:14:00,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:00" (1/1) ... [2020-12-23 09:14:00,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:00" (1/1) ... [2020-12-23 09:14:00,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:14:00,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:14:00,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:14:00,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:14:00,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:00" (1/1) ... [2020-12-23 09:14:00,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:00" (1/1) ... [2020-12-23 09:14:00,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:00" (1/1) ... [2020-12-23 09:14:00,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:00" (1/1) ... [2020-12-23 09:14:00,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:00" (1/1) ... [2020-12-23 09:14:00,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:00" (1/1) ... [2020-12-23 09:14:00,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:00" (1/1) ... [2020-12-23 09:14:00,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:14:00,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:14:00,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:14:00,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:14:00,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:14:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 09:14:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:14:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:14:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:14:00,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:14:03,688 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:14:03,689 INFO L299 CfgBuilder]: Removed 617 assume(true) statements. [2020-12-23 09:14:03,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:14:03 BoogieIcfgContainer [2020-12-23 09:14:03,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:14:03,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:14:03,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:14:03,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:14:03,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:13:58" (1/3) ... [2020-12-23 09:14:03,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb016b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:14:03, skipping insertion in model container [2020-12-23 09:14:03,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:14:00" (2/3) ... [2020-12-23 09:14:03,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb016b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:14:03, skipping insertion in model container [2020-12-23 09:14:03,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:14:03" (3/3) ... [2020-12-23 09:14:03,701 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product29.cil.c [2020-12-23 09:14:03,707 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:14:03,713 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 09:14:03,731 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 09:14:03,786 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:14:03,786 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:14:03,786 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:14:03,786 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:14:03,787 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:14:03,787 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:14:03,787 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:14:03,787 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:14:03,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states. [2020-12-23 09:14:03,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 09:14:03,840 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:03,841 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:03,841 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:03,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:03,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1057271424, now seen corresponding path program 1 times [2020-12-23 09:14:03,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:03,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193170460] [2020-12-23 09:14:03,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:04,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193170460] [2020-12-23 09:14:04,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:04,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:04,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506325337] [2020-12-23 09:14:04,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:04,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:04,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:04,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:04,421 INFO L87 Difference]: Start difference. First operand 1004 states. Second operand 3 states. [2020-12-23 09:14:04,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:04,639 INFO L93 Difference]: Finished difference Result 2977 states and 5201 transitions. [2020-12-23 09:14:04,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:04,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 09:14:04,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:04,692 INFO L225 Difference]: With dead ends: 2977 [2020-12-23 09:14:04,692 INFO L226 Difference]: Without dead ends: 1716 [2020-12-23 09:14:04,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:04,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2020-12-23 09:14:04,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 867. [2020-12-23 09:14:04,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-12-23 09:14:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1508 transitions. [2020-12-23 09:14:04,838 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1508 transitions. Word has length 48 [2020-12-23 09:14:04,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:04,839 INFO L481 AbstractCegarLoop]: Abstraction has 867 states and 1508 transitions. [2020-12-23 09:14:04,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1508 transitions. [2020-12-23 09:14:04,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 09:14:04,849 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:04,849 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:04,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:14:04,850 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:04,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:04,852 INFO L82 PathProgramCache]: Analyzing trace with hash 421357907, now seen corresponding path program 1 times [2020-12-23 09:14:04,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:04,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018093311] [2020-12-23 09:14:04,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:05,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:05,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018093311] [2020-12-23 09:14:05,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:05,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:14:05,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536771062] [2020-12-23 09:14:05,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:05,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:05,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:05,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:05,062 INFO L87 Difference]: Start difference. First operand 867 states and 1508 transitions. Second operand 5 states. [2020-12-23 09:14:05,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:05,307 INFO L93 Difference]: Finished difference Result 2550 states and 4440 transitions. [2020-12-23 09:14:05,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:14:05,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 09:14:05,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:05,321 INFO L225 Difference]: With dead ends: 2550 [2020-12-23 09:14:05,321 INFO L226 Difference]: Without dead ends: 1702 [2020-12-23 09:14:05,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:14:05,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2020-12-23 09:14:05,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 867. [2020-12-23 09:14:05,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-12-23 09:14:05,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1507 transitions. [2020-12-23 09:14:05,369 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1507 transitions. Word has length 50 [2020-12-23 09:14:05,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:05,370 INFO L481 AbstractCegarLoop]: Abstraction has 867 states and 1507 transitions. [2020-12-23 09:14:05,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:05,370 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1507 transitions. [2020-12-23 09:14:05,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 09:14:05,374 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:05,375 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:05,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:14:05,376 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:05,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:05,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1988921504, now seen corresponding path program 1 times [2020-12-23 09:14:05,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:05,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932651845] [2020-12-23 09:14:05,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:05,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:05,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932651845] [2020-12-23 09:14:05,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:05,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:05,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755938919] [2020-12-23 09:14:05,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:05,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:05,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:05,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:05,542 INFO L87 Difference]: Start difference. First operand 867 states and 1507 transitions. Second operand 3 states. [2020-12-23 09:14:05,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:05,609 INFO L93 Difference]: Finished difference Result 1716 states and 2988 transitions. [2020-12-23 09:14:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:05,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 09:14:05,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:05,615 INFO L225 Difference]: With dead ends: 1716 [2020-12-23 09:14:05,615 INFO L226 Difference]: Without dead ends: 872 [2020-12-23 09:14:05,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:05,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2020-12-23 09:14:05,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 867. [2020-12-23 09:14:05,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-12-23 09:14:05,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1506 transitions. [2020-12-23 09:14:05,696 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1506 transitions. Word has length 51 [2020-12-23 09:14:05,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:05,703 INFO L481 AbstractCegarLoop]: Abstraction has 867 states and 1506 transitions. [2020-12-23 09:14:05,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:05,703 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1506 transitions. [2020-12-23 09:14:05,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 09:14:05,706 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:05,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:05,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:14:05,706 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:05,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:05,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1743598246, now seen corresponding path program 1 times [2020-12-23 09:14:05,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:05,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599169491] [2020-12-23 09:14:05,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:05,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:05,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599169491] [2020-12-23 09:14:05,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:05,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:05,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231101819] [2020-12-23 09:14:05,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:05,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:05,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:05,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:05,812 INFO L87 Difference]: Start difference. First operand 867 states and 1506 transitions. Second operand 3 states. [2020-12-23 09:14:05,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:05,875 INFO L93 Difference]: Finished difference Result 1726 states and 3001 transitions. [2020-12-23 09:14:05,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:05,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-23 09:14:05,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:05,881 INFO L225 Difference]: With dead ends: 1726 [2020-12-23 09:14:05,881 INFO L226 Difference]: Without dead ends: 867 [2020-12-23 09:14:05,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:05,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2020-12-23 09:14:05,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 867. [2020-12-23 09:14:05,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-12-23 09:14:05,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1504 transitions. [2020-12-23 09:14:05,924 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1504 transitions. Word has length 52 [2020-12-23 09:14:05,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:05,926 INFO L481 AbstractCegarLoop]: Abstraction has 867 states and 1504 transitions. [2020-12-23 09:14:05,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:05,926 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1504 transitions. [2020-12-23 09:14:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 09:14:05,928 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:05,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:05,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:14:05,928 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:05,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:05,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1645807109, now seen corresponding path program 1 times [2020-12-23 09:14:05,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:05,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312883854] [2020-12-23 09:14:05,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:06,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:06,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312883854] [2020-12-23 09:14:06,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:06,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:14:06,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774577313] [2020-12-23 09:14:06,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:06,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:06,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:06,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:06,050 INFO L87 Difference]: Start difference. First operand 867 states and 1504 transitions. Second operand 5 states. [2020-12-23 09:14:06,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:06,260 INFO L93 Difference]: Finished difference Result 2540 states and 4420 transitions. [2020-12-23 09:14:06,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:14:06,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-12-23 09:14:06,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:06,271 INFO L225 Difference]: With dead ends: 2540 [2020-12-23 09:14:06,271 INFO L226 Difference]: Without dead ends: 1700 [2020-12-23 09:14:06,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:14:06,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2020-12-23 09:14:06,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 867. [2020-12-23 09:14:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-12-23 09:14:06,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1503 transitions. [2020-12-23 09:14:06,321 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1503 transitions. Word has length 53 [2020-12-23 09:14:06,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:06,322 INFO L481 AbstractCegarLoop]: Abstraction has 867 states and 1503 transitions. [2020-12-23 09:14:06,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:06,322 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1503 transitions. [2020-12-23 09:14:06,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 09:14:06,324 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:06,325 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:06,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:14:06,325 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:06,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:06,326 INFO L82 PathProgramCache]: Analyzing trace with hash -315860002, now seen corresponding path program 1 times [2020-12-23 09:14:06,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:06,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024230952] [2020-12-23 09:14:06,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:06,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:06,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024230952] [2020-12-23 09:14:06,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:06,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:14:06,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972766566] [2020-12-23 09:14:06,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:06,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:06,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:06,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:06,432 INFO L87 Difference]: Start difference. First operand 867 states and 1503 transitions. Second operand 5 states. [2020-12-23 09:14:06,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:06,693 INFO L93 Difference]: Finished difference Result 2545 states and 4425 transitions. [2020-12-23 09:14:06,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:14:06,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-23 09:14:06,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:06,703 INFO L225 Difference]: With dead ends: 2545 [2020-12-23 09:14:06,703 INFO L226 Difference]: Without dead ends: 1705 [2020-12-23 09:14:06,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:14:06,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2020-12-23 09:14:06,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 867. [2020-12-23 09:14:06,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-12-23 09:14:06,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1502 transitions. [2020-12-23 09:14:06,763 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1502 transitions. Word has length 54 [2020-12-23 09:14:06,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:06,763 INFO L481 AbstractCegarLoop]: Abstraction has 867 states and 1502 transitions. [2020-12-23 09:14:06,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:06,763 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1502 transitions. [2020-12-23 09:14:06,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 09:14:06,764 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:06,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:06,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:14:06,766 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:06,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:06,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1204679946, now seen corresponding path program 1 times [2020-12-23 09:14:06,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:06,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429219797] [2020-12-23 09:14:06,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:06,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:06,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429219797] [2020-12-23 09:14:06,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:06,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:06,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797995694] [2020-12-23 09:14:06,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:06,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:06,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:06,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:06,864 INFO L87 Difference]: Start difference. First operand 867 states and 1502 transitions. Second operand 3 states. [2020-12-23 09:14:06,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:06,918 INFO L93 Difference]: Finished difference Result 1457 states and 2505 transitions. [2020-12-23 09:14:06,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:06,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-23 09:14:06,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:06,923 INFO L225 Difference]: With dead ends: 1457 [2020-12-23 09:14:06,923 INFO L226 Difference]: Without dead ends: 870 [2020-12-23 09:14:06,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:06,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2020-12-23 09:14:06,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 869. [2020-12-23 09:14:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-12-23 09:14:06,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1504 transitions. [2020-12-23 09:14:06,970 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1504 transitions. Word has length 55 [2020-12-23 09:14:06,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:06,973 INFO L481 AbstractCegarLoop]: Abstraction has 869 states and 1504 transitions. [2020-12-23 09:14:06,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:06,973 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1504 transitions. [2020-12-23 09:14:06,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 09:14:06,974 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:06,974 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:06,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:14:06,975 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:06,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:06,975 INFO L82 PathProgramCache]: Analyzing trace with hash -2033811980, now seen corresponding path program 1 times [2020-12-23 09:14:06,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:06,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150096820] [2020-12-23 09:14:06,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:07,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:07,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150096820] [2020-12-23 09:14:07,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:07,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:07,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497991816] [2020-12-23 09:14:07,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:07,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:07,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:07,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:07,060 INFO L87 Difference]: Start difference. First operand 869 states and 1504 transitions. Second operand 3 states. [2020-12-23 09:14:07,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:07,180 INFO L93 Difference]: Finished difference Result 2493 states and 4336 transitions. [2020-12-23 09:14:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:07,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-12-23 09:14:07,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:07,219 INFO L225 Difference]: With dead ends: 2493 [2020-12-23 09:14:07,219 INFO L226 Difference]: Without dead ends: 1655 [2020-12-23 09:14:07,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:07,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2020-12-23 09:14:07,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1068. [2020-12-23 09:14:07,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1068 states. [2020-12-23 09:14:07,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1872 transitions. [2020-12-23 09:14:07,307 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1872 transitions. Word has length 61 [2020-12-23 09:14:07,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:07,308 INFO L481 AbstractCegarLoop]: Abstraction has 1068 states and 1872 transitions. [2020-12-23 09:14:07,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:07,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1872 transitions. [2020-12-23 09:14:07,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 09:14:07,310 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:07,311 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:07,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:14:07,311 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:07,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:07,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1930298771, now seen corresponding path program 1 times [2020-12-23 09:14:07,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:07,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289112224] [2020-12-23 09:14:07,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:07,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:07,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289112224] [2020-12-23 09:14:07,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976162195] [2020-12-23 09:14:07,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:14:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:07,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:14:07,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:14:07,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:14:07,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 09:14:07,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 09:14:07,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50599371] [2020-12-23 09:14:07,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:07,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:07,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:07,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:07,849 INFO L87 Difference]: Start difference. First operand 1068 states and 1872 transitions. Second operand 3 states. [2020-12-23 09:14:07,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:07,928 INFO L93 Difference]: Finished difference Result 1557 states and 2701 transitions. [2020-12-23 09:14:07,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:07,928 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-23 09:14:07,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:07,934 INFO L225 Difference]: With dead ends: 1557 [2020-12-23 09:14:07,935 INFO L226 Difference]: Without dead ends: 1070 [2020-12-23 09:14:07,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:07,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-12-23 09:14:07,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1056. [2020-12-23 09:14:07,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2020-12-23 09:14:07,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1854 transitions. [2020-12-23 09:14:07,997 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1854 transitions. Word has length 62 [2020-12-23 09:14:07,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:07,998 INFO L481 AbstractCegarLoop]: Abstraction has 1056 states and 1854 transitions. [2020-12-23 09:14:07,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:07,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1854 transitions. [2020-12-23 09:14:08,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 09:14:08,000 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:08,001 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:08,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 09:14:08,216 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:08,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:08,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1823258317, now seen corresponding path program 1 times [2020-12-23 09:14:08,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:08,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808904233] [2020-12-23 09:14:08,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:08,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:08,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808904233] [2020-12-23 09:14:08,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220913026] [2020-12-23 09:14:08,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:14:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:08,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:14:08,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:14:08,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:08,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:14:08,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 09:14:08,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064505346] [2020-12-23 09:14:08,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:08,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:08,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:08,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:08,927 INFO L87 Difference]: Start difference. First operand 1056 states and 1854 transitions. Second operand 5 states. [2020-12-23 09:14:09,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:09,070 INFO L93 Difference]: Finished difference Result 2461 states and 4285 transitions. [2020-12-23 09:14:09,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:14:09,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2020-12-23 09:14:09,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:09,082 INFO L225 Difference]: With dead ends: 2461 [2020-12-23 09:14:09,082 INFO L226 Difference]: Without dead ends: 1886 [2020-12-23 09:14:09,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:09,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1886 states. [2020-12-23 09:14:09,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1886 to 1309. [2020-12-23 09:14:09,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1309 states. [2020-12-23 09:14:09,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 2319 transitions. [2020-12-23 09:14:09,172 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 2319 transitions. Word has length 102 [2020-12-23 09:14:09,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:09,173 INFO L481 AbstractCegarLoop]: Abstraction has 1309 states and 2319 transitions. [2020-12-23 09:14:09,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:09,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 2319 transitions. [2020-12-23 09:14:09,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-23 09:14:09,176 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:09,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:09,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 09:14:09,390 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:09,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:09,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1452555558, now seen corresponding path program 1 times [2020-12-23 09:14:09,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:09,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412072966] [2020-12-23 09:14:09,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:09,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:09,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412072966] [2020-12-23 09:14:09,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:09,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:09,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871454452] [2020-12-23 09:14:09,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:09,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:09,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:09,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:09,502 INFO L87 Difference]: Start difference. First operand 1309 states and 2319 transitions. Second operand 3 states. [2020-12-23 09:14:09,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:09,646 INFO L93 Difference]: Finished difference Result 3554 states and 6306 transitions. [2020-12-23 09:14:09,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:09,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-12-23 09:14:09,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:09,659 INFO L225 Difference]: With dead ends: 3554 [2020-12-23 09:14:09,660 INFO L226 Difference]: Without dead ends: 2334 [2020-12-23 09:14:09,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:09,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2334 states. [2020-12-23 09:14:09,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2334 to 1759. [2020-12-23 09:14:09,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1759 states. [2020-12-23 09:14:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 3147 transitions. [2020-12-23 09:14:09,775 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 3147 transitions. Word has length 108 [2020-12-23 09:14:09,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:09,777 INFO L481 AbstractCegarLoop]: Abstraction has 1759 states and 3147 transitions. [2020-12-23 09:14:09,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:09,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 3147 transitions. [2020-12-23 09:14:09,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-23 09:14:09,781 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:09,781 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:09,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:14:09,782 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:09,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:09,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1718703350, now seen corresponding path program 2 times [2020-12-23 09:14:09,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:09,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427768510] [2020-12-23 09:14:09,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:09,882 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:09,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427768510] [2020-12-23 09:14:09,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:09,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:14:09,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065145012] [2020-12-23 09:14:09,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:09,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:09,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:09,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:09,885 INFO L87 Difference]: Start difference. First operand 1759 states and 3147 transitions. Second operand 5 states. [2020-12-23 09:14:10,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:10,120 INFO L93 Difference]: Finished difference Result 3807 states and 6769 transitions. [2020-12-23 09:14:10,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:14:10,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-12-23 09:14:10,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:10,133 INFO L225 Difference]: With dead ends: 3807 [2020-12-23 09:14:10,134 INFO L226 Difference]: Without dead ends: 2334 [2020-12-23 09:14:10,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:14:10,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2334 states. [2020-12-23 09:14:10,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2334 to 1759. [2020-12-23 09:14:10,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1759 states. [2020-12-23 09:14:10,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 3145 transitions. [2020-12-23 09:14:10,249 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 3145 transitions. Word has length 109 [2020-12-23 09:14:10,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:10,249 INFO L481 AbstractCegarLoop]: Abstraction has 1759 states and 3145 transitions. [2020-12-23 09:14:10,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:10,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 3145 transitions. [2020-12-23 09:14:10,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-23 09:14:10,254 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:10,254 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:10,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:14:10,254 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:10,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:10,255 INFO L82 PathProgramCache]: Analyzing trace with hash 22860533, now seen corresponding path program 1 times [2020-12-23 09:14:10,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:10,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575527834] [2020-12-23 09:14:10,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:10,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:10,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575527834] [2020-12-23 09:14:10,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:10,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:10,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438541930] [2020-12-23 09:14:10,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:10,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:10,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:10,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:10,329 INFO L87 Difference]: Start difference. First operand 1759 states and 3145 transitions. Second operand 3 states. [2020-12-23 09:14:10,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:10,516 INFO L93 Difference]: Finished difference Result 4876 states and 8739 transitions. [2020-12-23 09:14:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:10,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-12-23 09:14:10,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:10,534 INFO L225 Difference]: With dead ends: 4876 [2020-12-23 09:14:10,534 INFO L226 Difference]: Without dead ends: 3214 [2020-12-23 09:14:10,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:10,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3214 states. [2020-12-23 09:14:10,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3214 to 2639. [2020-12-23 09:14:10,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2639 states. [2020-12-23 09:14:10,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 2639 states and 4764 transitions. [2020-12-23 09:14:10,741 INFO L78 Accepts]: Start accepts. Automaton has 2639 states and 4764 transitions. Word has length 109 [2020-12-23 09:14:10,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:10,742 INFO L481 AbstractCegarLoop]: Abstraction has 2639 states and 4764 transitions. [2020-12-23 09:14:10,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:10,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2639 states and 4764 transitions. [2020-12-23 09:14:10,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-23 09:14:10,749 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:10,749 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:10,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:14:10,750 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:10,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:10,750 INFO L82 PathProgramCache]: Analyzing trace with hash -2040766232, now seen corresponding path program 1 times [2020-12-23 09:14:10,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:10,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493186969] [2020-12-23 09:14:10,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:10,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493186969] [2020-12-23 09:14:10,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:10,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:10,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847261033] [2020-12-23 09:14:10,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:10,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:10,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:10,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:10,844 INFO L87 Difference]: Start difference. First operand 2639 states and 4764 transitions. Second operand 3 states. [2020-12-23 09:14:11,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:11,139 INFO L93 Difference]: Finished difference Result 7252 states and 13115 transitions. [2020-12-23 09:14:11,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:11,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-12-23 09:14:11,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:11,155 INFO L225 Difference]: With dead ends: 7252 [2020-12-23 09:14:11,155 INFO L226 Difference]: Without dead ends: 4744 [2020-12-23 09:14:11,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:11,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4744 states. [2020-12-23 09:14:11,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4744 to 4169. [2020-12-23 09:14:11,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4169 states. [2020-12-23 09:14:11,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4169 states to 4169 states and 7577 transitions. [2020-12-23 09:14:11,398 INFO L78 Accepts]: Start accepts. Automaton has 4169 states and 7577 transitions. Word has length 110 [2020-12-23 09:14:11,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:11,398 INFO L481 AbstractCegarLoop]: Abstraction has 4169 states and 7577 transitions. [2020-12-23 09:14:11,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:11,398 INFO L276 IsEmpty]: Start isEmpty. Operand 4169 states and 7577 transitions. [2020-12-23 09:14:11,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 09:14:11,408 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:11,409 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:11,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:14:11,409 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:11,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:11,409 INFO L82 PathProgramCache]: Analyzing trace with hash 255602182, now seen corresponding path program 1 times [2020-12-23 09:14:11,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:11,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413529934] [2020-12-23 09:14:11,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:11,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:11,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413529934] [2020-12-23 09:14:11,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:11,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:11,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940750766] [2020-12-23 09:14:11,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:11,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:11,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:11,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:11,513 INFO L87 Difference]: Start difference. First operand 4169 states and 7577 transitions. Second operand 3 states. [2020-12-23 09:14:11,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:11,844 INFO L93 Difference]: Finished difference Result 11558 states and 21037 transitions. [2020-12-23 09:14:11,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:11,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-12-23 09:14:11,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:11,865 INFO L225 Difference]: With dead ends: 11558 [2020-12-23 09:14:11,866 INFO L226 Difference]: Without dead ends: 7554 [2020-12-23 09:14:11,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:11,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7554 states. [2020-12-23 09:14:12,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7554 to 6979. [2020-12-23 09:14:12,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6979 states. [2020-12-23 09:14:12,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6979 states to 6979 states and 12738 transitions. [2020-12-23 09:14:12,295 INFO L78 Accepts]: Start accepts. Automaton has 6979 states and 12738 transitions. Word has length 111 [2020-12-23 09:14:12,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:12,295 INFO L481 AbstractCegarLoop]: Abstraction has 6979 states and 12738 transitions. [2020-12-23 09:14:12,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:12,295 INFO L276 IsEmpty]: Start isEmpty. Operand 6979 states and 12738 transitions. [2020-12-23 09:14:12,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-23 09:14:12,311 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:12,312 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:12,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:14:12,312 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:12,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:12,313 INFO L82 PathProgramCache]: Analyzing trace with hash -2119121846, now seen corresponding path program 1 times [2020-12-23 09:14:12,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:12,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734978858] [2020-12-23 09:14:12,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 09:14:12,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734978858] [2020-12-23 09:14:12,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:12,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:14:12,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750283668] [2020-12-23 09:14:12,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:12,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:12,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:12,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:12,406 INFO L87 Difference]: Start difference. First operand 6979 states and 12738 transitions. Second operand 5 states. [2020-12-23 09:14:13,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:13,231 INFO L93 Difference]: Finished difference Result 20078 states and 36681 transitions. [2020-12-23 09:14:13,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:14:13,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-12-23 09:14:13,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:13,269 INFO L225 Difference]: With dead ends: 20078 [2020-12-23 09:14:13,269 INFO L226 Difference]: Without dead ends: 13385 [2020-12-23 09:14:13,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:14:13,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13385 states. [2020-12-23 09:14:13,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13385 to 6979. [2020-12-23 09:14:13,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6979 states. [2020-12-23 09:14:13,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6979 states to 6979 states and 12688 transitions. [2020-12-23 09:14:13,879 INFO L78 Accepts]: Start accepts. Automaton has 6979 states and 12688 transitions. Word has length 112 [2020-12-23 09:14:13,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:13,880 INFO L481 AbstractCegarLoop]: Abstraction has 6979 states and 12688 transitions. [2020-12-23 09:14:13,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:13,880 INFO L276 IsEmpty]: Start isEmpty. Operand 6979 states and 12688 transitions. [2020-12-23 09:14:13,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-23 09:14:13,898 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:13,898 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:13,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:14:13,899 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:13,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:13,899 INFO L82 PathProgramCache]: Analyzing trace with hash -746604007, now seen corresponding path program 1 times [2020-12-23 09:14:13,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:13,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158324604] [2020-12-23 09:14:13,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:13,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:14:13,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158324604] [2020-12-23 09:14:13,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:13,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:13,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859509059] [2020-12-23 09:14:13,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:14:14,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:14,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:14:14,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:14,004 INFO L87 Difference]: Start difference. First operand 6979 states and 12688 transitions. Second operand 3 states. [2020-12-23 09:14:14,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:14,661 INFO L93 Difference]: Finished difference Result 20446 states and 37215 transitions. [2020-12-23 09:14:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:14:14,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-23 09:14:14,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:14,697 INFO L225 Difference]: With dead ends: 20446 [2020-12-23 09:14:14,697 INFO L226 Difference]: Without dead ends: 13636 [2020-12-23 09:14:14,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:14:14,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13636 states. [2020-12-23 09:14:15,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13636 to 13061. [2020-12-23 09:14:15,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13061 states. [2020-12-23 09:14:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13061 states to 13061 states and 23793 transitions. [2020-12-23 09:14:15,441 INFO L78 Accepts]: Start accepts. Automaton has 13061 states and 23793 transitions. Word has length 112 [2020-12-23 09:14:15,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:15,441 INFO L481 AbstractCegarLoop]: Abstraction has 13061 states and 23793 transitions. [2020-12-23 09:14:15,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:14:15,442 INFO L276 IsEmpty]: Start isEmpty. Operand 13061 states and 23793 transitions. [2020-12-23 09:14:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-23 09:14:15,470 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:15,471 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:15,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:14:15,472 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:15,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:15,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1149002821, now seen corresponding path program 1 times [2020-12-23 09:14:15,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:15,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971939940] [2020-12-23 09:14:15,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:15,620 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:14:15,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971939940] [2020-12-23 09:14:15,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:15,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:14:15,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503912280] [2020-12-23 09:14:15,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:14:15,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:15,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:14:15,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:14:15,626 INFO L87 Difference]: Start difference. First operand 13061 states and 23793 transitions. Second operand 9 states. [2020-12-23 09:14:18,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:18,676 INFO L93 Difference]: Finished difference Result 29494 states and 53203 transitions. [2020-12-23 09:14:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 09:14:18,677 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 113 [2020-12-23 09:14:18,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:18,760 INFO L225 Difference]: With dead ends: 29494 [2020-12-23 09:14:18,761 INFO L226 Difference]: Without dead ends: 28987 [2020-12-23 09:14:18,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552 [2020-12-23 09:14:18,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28987 states. [2020-12-23 09:14:20,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28987 to 25859. [2020-12-23 09:14:20,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25859 states. [2020-12-23 09:14:20,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25859 states to 25859 states and 47137 transitions. [2020-12-23 09:14:20,759 INFO L78 Accepts]: Start accepts. Automaton has 25859 states and 47137 transitions. Word has length 113 [2020-12-23 09:14:20,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:20,759 INFO L481 AbstractCegarLoop]: Abstraction has 25859 states and 47137 transitions. [2020-12-23 09:14:20,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:14:20,759 INFO L276 IsEmpty]: Start isEmpty. Operand 25859 states and 47137 transitions. [2020-12-23 09:14:20,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-23 09:14:20,840 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:20,840 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:20,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:14:20,840 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:20,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:20,841 INFO L82 PathProgramCache]: Analyzing trace with hash -710445235, now seen corresponding path program 1 times [2020-12-23 09:14:20,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:20,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592764685] [2020-12-23 09:14:20,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:20,932 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:14:20,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592764685] [2020-12-23 09:14:20,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:20,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:14:20,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191362178] [2020-12-23 09:14:20,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:14:20,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:20,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:14:20,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:14:20,935 INFO L87 Difference]: Start difference. First operand 25859 states and 47137 transitions. Second operand 4 states. [2020-12-23 09:14:21,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:21,907 INFO L93 Difference]: Finished difference Result 26902 states and 48911 transitions. [2020-12-23 09:14:21,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:14:21,908 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 114 [2020-12-23 09:14:21,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:21,981 INFO L225 Difference]: With dead ends: 26902 [2020-12-23 09:14:21,981 INFO L226 Difference]: Without dead ends: 26332 [2020-12-23 09:14:21,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:22,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26332 states. [2020-12-23 09:14:23,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26332 to 25858. [2020-12-23 09:14:23,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25858 states. [2020-12-23 09:14:23,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25858 states to 25858 states and 47133 transitions. [2020-12-23 09:14:23,452 INFO L78 Accepts]: Start accepts. Automaton has 25858 states and 47133 transitions. Word has length 114 [2020-12-23 09:14:23,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:23,452 INFO L481 AbstractCegarLoop]: Abstraction has 25858 states and 47133 transitions. [2020-12-23 09:14:23,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:14:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand 25858 states and 47133 transitions. [2020-12-23 09:14:23,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-23 09:14:23,489 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:23,490 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:23,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:14:23,490 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:23,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:23,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1411748540, now seen corresponding path program 1 times [2020-12-23 09:14:23,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:23,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779908064] [2020-12-23 09:14:23,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:14:23,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779908064] [2020-12-23 09:14:23,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:23,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:14:23,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863119666] [2020-12-23 09:14:23,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:23,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:23,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:23,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:23,602 INFO L87 Difference]: Start difference. First operand 25858 states and 47133 transitions. Second operand 5 states. [2020-12-23 09:14:25,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:25,299 INFO L93 Difference]: Finished difference Result 52841 states and 96151 transitions. [2020-12-23 09:14:25,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:14:25,300 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2020-12-23 09:14:25,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:25,439 INFO L225 Difference]: With dead ends: 52841 [2020-12-23 09:14:25,440 INFO L226 Difference]: Without dead ends: 51982 [2020-12-23 09:14:25,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:14:25,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51982 states. [2020-12-23 09:14:27,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51982 to 51031. [2020-12-23 09:14:27,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51031 states. [2020-12-23 09:14:27,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51031 states to 51031 states and 93085 transitions. [2020-12-23 09:14:27,743 INFO L78 Accepts]: Start accepts. Automaton has 51031 states and 93085 transitions. Word has length 115 [2020-12-23 09:14:27,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:27,744 INFO L481 AbstractCegarLoop]: Abstraction has 51031 states and 93085 transitions. [2020-12-23 09:14:27,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:27,744 INFO L276 IsEmpty]: Start isEmpty. Operand 51031 states and 93085 transitions. [2020-12-23 09:14:27,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-23 09:14:27,798 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:27,799 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:27,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:14:27,799 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:27,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:27,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1436209117, now seen corresponding path program 1 times [2020-12-23 09:14:27,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:27,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129266813] [2020-12-23 09:14:27,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:14:27,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129266813] [2020-12-23 09:14:27,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:27,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:14:27,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14379434] [2020-12-23 09:14:27,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:14:27,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:27,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:14:27,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:14:27,917 INFO L87 Difference]: Start difference. First operand 51031 states and 93085 transitions. Second operand 8 states. [2020-12-23 09:14:29,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:29,893 INFO L93 Difference]: Finished difference Result 53159 states and 96665 transitions. [2020-12-23 09:14:29,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 09:14:29,893 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 115 [2020-12-23 09:14:29,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:30,002 INFO L225 Difference]: With dead ends: 53159 [2020-12-23 09:14:30,003 INFO L226 Difference]: Without dead ends: 51556 [2020-12-23 09:14:30,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2020-12-23 09:14:30,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51556 states. [2020-12-23 09:14:32,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51556 to 50959. [2020-12-23 09:14:32,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50959 states. [2020-12-23 09:14:32,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50959 states to 50959 states and 92923 transitions. [2020-12-23 09:14:32,204 INFO L78 Accepts]: Start accepts. Automaton has 50959 states and 92923 transitions. Word has length 115 [2020-12-23 09:14:32,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:32,204 INFO L481 AbstractCegarLoop]: Abstraction has 50959 states and 92923 transitions. [2020-12-23 09:14:32,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:14:32,204 INFO L276 IsEmpty]: Start isEmpty. Operand 50959 states and 92923 transitions. [2020-12-23 09:14:32,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-23 09:14:32,254 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:32,254 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:32,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:14:32,255 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:32,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:32,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1109969077, now seen corresponding path program 1 times [2020-12-23 09:14:32,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:32,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982964159] [2020-12-23 09:14:32,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:32,334 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:14:32,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982964159] [2020-12-23 09:14:32,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:32,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:14:32,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393666905] [2020-12-23 09:14:32,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:14:32,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:32,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:14:32,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:14:32,336 INFO L87 Difference]: Start difference. First operand 50959 states and 92923 transitions. Second operand 4 states. [2020-12-23 09:14:35,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:35,611 INFO L93 Difference]: Finished difference Result 80849 states and 146724 transitions. [2020-12-23 09:14:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:14:35,612 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2020-12-23 09:14:35,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:35,734 INFO L225 Difference]: With dead ends: 80849 [2020-12-23 09:14:35,734 INFO L226 Difference]: Without dead ends: 79482 [2020-12-23 09:14:35,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:35,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79482 states. [2020-12-23 09:14:38,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79482 to 76874. [2020-12-23 09:14:38,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76874 states. [2020-12-23 09:14:39,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76874 states to 76874 states and 140090 transitions. [2020-12-23 09:14:39,079 INFO L78 Accepts]: Start accepts. Automaton has 76874 states and 140090 transitions. Word has length 115 [2020-12-23 09:14:39,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:39,079 INFO L481 AbstractCegarLoop]: Abstraction has 76874 states and 140090 transitions. [2020-12-23 09:14:39,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:14:39,079 INFO L276 IsEmpty]: Start isEmpty. Operand 76874 states and 140090 transitions. [2020-12-23 09:14:39,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-23 09:14:39,139 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:39,139 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:39,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:14:39,139 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:39,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:39,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1985988083, now seen corresponding path program 1 times [2020-12-23 09:14:39,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:39,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771907311] [2020-12-23 09:14:39,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:39,485 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:14:39,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771907311] [2020-12-23 09:14:39,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:39,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 09:14:39,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487399272] [2020-12-23 09:14:39,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:14:39,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:39,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:14:39,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:14:39,490 INFO L87 Difference]: Start difference. First operand 76874 states and 140090 transitions. Second operand 10 states. [2020-12-23 09:14:44,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:44,815 INFO L93 Difference]: Finished difference Result 91779 states and 164957 transitions. [2020-12-23 09:14:44,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-23 09:14:44,816 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 115 [2020-12-23 09:14:44,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:44,964 INFO L225 Difference]: With dead ends: 91779 [2020-12-23 09:14:44,965 INFO L226 Difference]: Without dead ends: 89319 [2020-12-23 09:14:44,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=337, Invalid=923, Unknown=0, NotChecked=0, Total=1260 [2020-12-23 09:14:45,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89319 states. [2020-12-23 09:14:48,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89319 to 77542. [2020-12-23 09:14:48,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77542 states. [2020-12-23 09:14:48,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77542 states to 77542 states and 141157 transitions. [2020-12-23 09:14:48,328 INFO L78 Accepts]: Start accepts. Automaton has 77542 states and 141157 transitions. Word has length 115 [2020-12-23 09:14:48,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:48,328 INFO L481 AbstractCegarLoop]: Abstraction has 77542 states and 141157 transitions. [2020-12-23 09:14:48,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:14:48,328 INFO L276 IsEmpty]: Start isEmpty. Operand 77542 states and 141157 transitions. [2020-12-23 09:14:48,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-23 09:14:48,394 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:48,394 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:48,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:14:48,394 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:48,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:48,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1669126996, now seen corresponding path program 1 times [2020-12-23 09:14:48,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:48,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297971427] [2020-12-23 09:14:48,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:48,773 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:14:48,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297971427] [2020-12-23 09:14:48,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:48,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:14:48,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546477354] [2020-12-23 09:14:48,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:14:48,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:48,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:14:48,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:14:48,775 INFO L87 Difference]: Start difference. First operand 77542 states and 141157 transitions. Second operand 6 states. [2020-12-23 09:14:51,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:51,431 INFO L93 Difference]: Finished difference Result 80875 states and 146724 transitions. [2020-12-23 09:14:51,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:14:51,431 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 116 [2020-12-23 09:14:51,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:51,535 INFO L225 Difference]: With dead ends: 80875 [2020-12-23 09:14:51,536 INFO L226 Difference]: Without dead ends: 77103 [2020-12-23 09:14:51,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:14:51,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77103 states. [2020-12-23 09:14:54,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77103 to 76365. [2020-12-23 09:14:54,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76365 states. [2020-12-23 09:14:54,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76365 states to 76365 states and 139191 transitions. [2020-12-23 09:14:54,646 INFO L78 Accepts]: Start accepts. Automaton has 76365 states and 139191 transitions. Word has length 116 [2020-12-23 09:14:54,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:54,647 INFO L481 AbstractCegarLoop]: Abstraction has 76365 states and 139191 transitions. [2020-12-23 09:14:54,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:14:54,647 INFO L276 IsEmpty]: Start isEmpty. Operand 76365 states and 139191 transitions. [2020-12-23 09:14:54,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-23 09:14:54,710 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:54,710 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:54,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 09:14:54,710 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:54,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:54,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1029291655, now seen corresponding path program 1 times [2020-12-23 09:14:54,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:54,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427215803] [2020-12-23 09:14:54,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:54,825 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:14:54,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427215803] [2020-12-23 09:14:54,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:54,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:14:54,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780274810] [2020-12-23 09:14:54,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:54,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:54,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:54,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:54,827 INFO L87 Difference]: Start difference. First operand 76365 states and 139191 transitions. Second operand 5 states. [2020-12-23 09:14:58,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:58,951 INFO L93 Difference]: Finished difference Result 88717 states and 159711 transitions. [2020-12-23 09:14:58,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:14:58,952 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2020-12-23 09:14:58,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:59,073 INFO L225 Difference]: With dead ends: 88717 [2020-12-23 09:14:59,073 INFO L226 Difference]: Without dead ends: 86907 [2020-12-23 09:14:59,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:14:59,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86907 states. [2020-12-23 09:15:02,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86907 to 78481. [2020-12-23 09:15:02,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78481 states. [2020-12-23 09:15:02,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78481 states to 78481 states and 142667 transitions. [2020-12-23 09:15:02,664 INFO L78 Accepts]: Start accepts. Automaton has 78481 states and 142667 transitions. Word has length 116 [2020-12-23 09:15:02,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:15:02,665 INFO L481 AbstractCegarLoop]: Abstraction has 78481 states and 142667 transitions. [2020-12-23 09:15:02,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:15:02,665 INFO L276 IsEmpty]: Start isEmpty. Operand 78481 states and 142667 transitions. [2020-12-23 09:15:02,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 09:15:02,730 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:15:02,731 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:15:02,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 09:15:02,731 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]=== [2020-12-23 09:15:02,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:15:02,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1438567689, now seen corresponding path program 1 times [2020-12-23 09:15:02,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:15:02,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440127330] [2020-12-23 09:15:02,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:15:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:15:02,834 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:15:02,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440127330] [2020-12-23 09:15:02,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:15:02,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:15:02,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053511800] [2020-12-23 09:15:02,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:15:02,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:15:02,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:15:02,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:15:02,837 INFO L87 Difference]: Start difference. First operand 78481 states and 142667 transitions. Second operand 5 states. [2020-12-23 09:15:07,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:15:07,032 INFO L93 Difference]: Finished difference Result 86113 states and 155484 transitions. [2020-12-23 09:15:07,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:15:07,032 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 117 [2020-12-23 09:15:07,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:15:07,260 INFO L225 Difference]: With dead ends: 86113 [2020-12-23 09:15:07,260 INFO L226 Difference]: Without dead ends: 83441 [2020-12-23 09:15:07,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:15:07,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83441 states. [2020-12-23 09:15:10,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83441 to 78553. [2020-12-23 09:15:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78553 states. [2020-12-23 09:15:10,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78553 states to 78553 states and 142739 transitions. [2020-12-23 09:15:10,583 INFO L78 Accepts]: Start accepts. Automaton has 78553 states and 142739 transitions. Word has length 117 [2020-12-23 09:15:10,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:15:10,584 INFO L481 AbstractCegarLoop]: Abstraction has 78553 states and 142739 transitions. [2020-12-23 09:15:10,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:15:10,584 INFO L276 IsEmpty]: Start isEmpty. Operand 78553 states and 142739 transitions. [2020-12-23 09:15:10,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 09:15:10,648 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:15:10,648 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:15:10,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 09:15:10,648 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]=== [2020-12-23 09:15:10,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:15:10,649 INFO L82 PathProgramCache]: Analyzing trace with hash -832643054, now seen corresponding path program 1 times [2020-12-23 09:15:10,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:15:10,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842627490] [2020-12-23 09:15:10,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:15:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:15:10,787 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:15:10,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842627490] [2020-12-23 09:15:10,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:15:10,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 09:15:10,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781008193] [2020-12-23 09:15:10,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 09:15:10,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:15:10,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 09:15:10,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 09:15:10,789 INFO L87 Difference]: Start difference. First operand 78553 states and 142739 transitions. Second operand 11 states. [2020-12-23 09:15:14,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:15:14,552 INFO L93 Difference]: Finished difference Result 83133 states and 150238 transitions. [2020-12-23 09:15:14,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 09:15:14,554 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 117 [2020-12-23 09:15:14,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:15:14,675 INFO L225 Difference]: With dead ends: 83133 [2020-12-23 09:15:14,675 INFO L226 Difference]: Without dead ends: 78937 [2020-12-23 09:15:14,694 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2020-12-23 09:15:14,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78937 states. [2020-12-23 09:15:17,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78937 to 78329. [2020-12-23 09:15:17,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78329 states. [2020-12-23 09:15:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78329 states to 78329 states and 142227 transitions. [2020-12-23 09:15:18,070 INFO L78 Accepts]: Start accepts. Automaton has 78329 states and 142227 transitions. Word has length 117 [2020-12-23 09:15:18,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:15:18,070 INFO L481 AbstractCegarLoop]: Abstraction has 78329 states and 142227 transitions. [2020-12-23 09:15:18,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 09:15:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 78329 states and 142227 transitions. [2020-12-23 09:15:18,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 09:15:18,135 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:15:18,135 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:15:18,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 09:15:18,136 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:15:18,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:15:18,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1031827821, now seen corresponding path program 1 times [2020-12-23 09:15:18,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:15:18,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276332149] [2020-12-23 09:15:18,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:15:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:15:18,215 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:15:18,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276332149] [2020-12-23 09:15:18,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:15:18,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:15:18,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278727443] [2020-12-23 09:15:18,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:15:18,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:15:18,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:15:18,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:15:18,217 INFO L87 Difference]: Start difference. First operand 78329 states and 142227 transitions. Second operand 4 states. [2020-12-23 09:15:22,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:15:22,339 INFO L93 Difference]: Finished difference Result 90720 states and 162181 transitions. [2020-12-23 09:15:22,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:15:22,339 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2020-12-23 09:15:22,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:15:22,457 INFO L225 Difference]: With dead ends: 90720 [2020-12-23 09:15:22,457 INFO L226 Difference]: Without dead ends: 86341 [2020-12-23 09:15:22,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:15:22,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86341 states. [2020-12-23 09:15:25,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86341 to 78395. [2020-12-23 09:15:25,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78395 states. [2020-12-23 09:15:25,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78395 states to 78395 states and 142293 transitions. [2020-12-23 09:15:25,966 INFO L78 Accepts]: Start accepts. Automaton has 78395 states and 142293 transitions. Word has length 119 [2020-12-23 09:15:25,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:15:25,966 INFO L481 AbstractCegarLoop]: Abstraction has 78395 states and 142293 transitions. [2020-12-23 09:15:25,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:15:25,966 INFO L276 IsEmpty]: Start isEmpty. Operand 78395 states and 142293 transitions. [2020-12-23 09:15:26,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 09:15:26,035 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:15:26,036 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:15:26,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 09:15:26,036 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:15:26,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:15:26,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1055791086, now seen corresponding path program 1 times [2020-12-23 09:15:26,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:15:26,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133740309] [2020-12-23 09:15:26,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:15:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:15:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:15:26,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133740309] [2020-12-23 09:15:26,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:15:26,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 09:15:26,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121154145] [2020-12-23 09:15:26,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:15:26,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:15:26,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:15:26,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:15:26,129 INFO L87 Difference]: Start difference. First operand 78395 states and 142293 transitions. Second operand 7 states. [2020-12-23 09:15:29,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:15:29,828 INFO L93 Difference]: Finished difference Result 86196 states and 154892 transitions. [2020-12-23 09:15:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 09:15:29,828 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 119 [2020-12-23 09:15:29,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:15:29,952 INFO L225 Difference]: With dead ends: 86196 [2020-12-23 09:15:29,953 INFO L226 Difference]: Without dead ends: 81607 [2020-12-23 09:15:29,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-12-23 09:15:30,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81607 states. [2020-12-23 09:15:33,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81607 to 78192. [2020-12-23 09:15:33,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78192 states. [2020-12-23 09:15:33,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78192 states to 78192 states and 141950 transitions. [2020-12-23 09:15:33,355 INFO L78 Accepts]: Start accepts. Automaton has 78192 states and 141950 transitions. Word has length 119 [2020-12-23 09:15:33,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:15:33,356 INFO L481 AbstractCegarLoop]: Abstraction has 78192 states and 141950 transitions. [2020-12-23 09:15:33,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:15:33,356 INFO L276 IsEmpty]: Start isEmpty. Operand 78192 states and 141950 transitions. [2020-12-23 09:15:33,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 09:15:33,420 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:15:33,420 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:15:33,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 09:15:33,420 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:15:33,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:15:33,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1870887804, now seen corresponding path program 1 times [2020-12-23 09:15:33,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:15:33,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000864913] [2020-12-23 09:15:33,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:15:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:15:33,541 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:15:33,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000864913] [2020-12-23 09:15:33,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:15:33,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 09:15:33,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309519927] [2020-12-23 09:15:33,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:15:33,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:15:33,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:15:33,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:15:33,543 INFO L87 Difference]: Start difference. First operand 78192 states and 141950 transitions. Second operand 8 states. [2020-12-23 09:15:36,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:15:36,543 INFO L93 Difference]: Finished difference Result 78192 states and 141950 transitions. [2020-12-23 09:15:36,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:15:36,543 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 120 [2020-12-23 09:15:36,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:15:36,638 INFO L225 Difference]: With dead ends: 78192 [2020-12-23 09:15:36,639 INFO L226 Difference]: Without dead ends: 75011 [2020-12-23 09:15:36,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-23 09:15:36,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75011 states. [2020-12-23 09:15:39,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75011 to 74018. [2020-12-23 09:15:39,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74018 states. [2020-12-23 09:15:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74018 states to 74018 states and 134593 transitions. [2020-12-23 09:15:39,713 INFO L78 Accepts]: Start accepts. Automaton has 74018 states and 134593 transitions. Word has length 120 [2020-12-23 09:15:39,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:15:39,713 INFO L481 AbstractCegarLoop]: Abstraction has 74018 states and 134593 transitions. [2020-12-23 09:15:39,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:15:39,713 INFO L276 IsEmpty]: Start isEmpty. Operand 74018 states and 134593 transitions. [2020-12-23 09:15:39,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-23 09:15:39,782 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:15:39,782 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:15:39,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 09:15:39,782 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:15:39,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:15:39,783 INFO L82 PathProgramCache]: Analyzing trace with hash -313400862, now seen corresponding path program 1 times [2020-12-23 09:15:39,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:15:39,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456584033] [2020-12-23 09:15:39,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:15:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:15:39,852 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 09:15:39,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456584033] [2020-12-23 09:15:39,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:15:39,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:15:39,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903388627] [2020-12-23 09:15:39,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:15:39,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:15:39,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:15:39,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:15:39,853 INFO L87 Difference]: Start difference. First operand 74018 states and 134593 transitions. Second operand 3 states.