/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_spec1_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:44:00,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:44:00,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:44:00,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:44:00,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:44:00,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:44:00,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:44:00,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:44:00,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:44:00,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:44:00,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:44:00,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:44:00,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:44:00,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:44:00,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:44:00,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:44:00,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:44:00,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:44:00,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:44:00,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:44:00,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:44:00,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:44:00,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:44:00,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:44:00,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:44:00,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:44:00,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:44:00,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:44:00,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:44:00,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:44:00,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:44:00,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:44:00,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:44:00,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:44:00,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:44:00,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:44:00,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:44:00,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:44:00,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:44:00,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:44:00,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:44:00,535 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:44:00,579 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:44:00,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:44:00,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:44:00,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:44:00,585 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:44:00,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:44:00,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:44:00,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:44:00,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:44:00,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:44:00,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:44:00,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:44:00,612 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:44:00,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:44:00,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:44:00,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:44:00,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:44:00,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:44:00,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:44:00,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:44:00,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:44:00,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:44:00,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:44:00,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:44:00,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:44:00,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:44:01,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:44:01,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:44:01,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:44:01,071 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:44:01,071 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:44:01,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product31.cil.c [2021-01-06 18:44:01,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8b38ea2f2/9b4acf9f343b42b8965907b08777c976/FLAG6beaaec7a [2021-01-06 18:44:02,008 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:44:02,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product31.cil.c [2021-01-06 18:44:02,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8b38ea2f2/9b4acf9f343b42b8965907b08777c976/FLAG6beaaec7a [2021-01-06 18:44:02,197 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8b38ea2f2/9b4acf9f343b42b8965907b08777c976 [2021-01-06 18:44:02,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:44:02,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:44:02,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:44:02,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:44:02,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:44:02,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:44:02" (1/1) ... [2021-01-06 18:44:02,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d498554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:44:02, skipping insertion in model container [2021-01-06 18:44:02,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:44:02" (1/1) ... [2021-01-06 18:44:02,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:44:02,287 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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~2,] 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[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~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[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~6,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~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___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_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~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_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] 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~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_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~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_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~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_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~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_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~22,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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[~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_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~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[~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[~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[~retValue_acc~34,] 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~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_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~23,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] 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~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[~__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~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[~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[~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[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] 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~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_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~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] 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] [2021-01-06 18:44:03,026 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_spec1_product31.cil.c[63818,63831] [2021-01-06 18:44:03,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:44:03,076 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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~2,] 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[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~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[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~6,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~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___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_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~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_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] 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~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_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~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_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~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_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~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_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~22,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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[~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_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~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[~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[~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[~retValue_acc~34,] 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~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_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~23,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] 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~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[~__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~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[~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[~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[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] 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~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_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~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] 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] [2021-01-06 18:44:03,299 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_spec1_product31.cil.c[63818,63831] [2021-01-06 18:44:03,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:44:03,422 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:44:03,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:44:03 WrapperNode [2021-01-06 18:44:03,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:44:03,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:44:03,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:44:03,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:44:03,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:44:03" (1/1) ... [2021-01-06 18:44:03,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:44:03" (1/1) ... [2021-01-06 18:44:03,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:44:03,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:44:03,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:44:03,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:44:03,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:44:03" (1/1) ... [2021-01-06 18:44:03,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:44:03" (1/1) ... [2021-01-06 18:44:03,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:44:03" (1/1) ... [2021-01-06 18:44:03,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:44:03" (1/1) ... [2021-01-06 18:44:03,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:44:03" (1/1) ... [2021-01-06 18:44:03,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:44:03" (1/1) ... [2021-01-06 18:44:03,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:44:03" (1/1) ... [2021-01-06 18:44:03,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:44:03,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:44:03,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:44:03,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:44:03,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:44:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:44:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:44:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:44:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:44:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:44:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:44:06,275 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:44:06,276 INFO L299 CfgBuilder]: Removed 375 assume(true) statements. [2021-01-06 18:44:06,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:44:06 BoogieIcfgContainer [2021-01-06 18:44:06,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:44:06,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:44:06,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:44:06,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:44:06,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:44:02" (1/3) ... [2021-01-06 18:44:06,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c08f65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:44:06, skipping insertion in model container [2021-01-06 18:44:06,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:44:03" (2/3) ... [2021-01-06 18:44:06,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c08f65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:44:06, skipping insertion in model container [2021-01-06 18:44:06,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:44:06" (3/3) ... [2021-01-06 18:44:06,294 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product31.cil.c [2021-01-06 18:44:06,302 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:44:06,307 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 18:44:06,326 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 18:44:06,369 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:44:06,369 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:44:06,369 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:44:06,369 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:44:06,369 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:44:06,370 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:44:06,370 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:44:06,370 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:44:06,416 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states. [2021-01-06 18:44:06,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-06 18:44:06,430 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:06,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:06,431 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:06,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:06,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1593275253, now seen corresponding path program 1 times [2021-01-06 18:44:06,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:06,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072530772] [2021-01-06 18:44:06,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:06,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072530772] [2021-01-06 18:44:06,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:06,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:44:06,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198836600] [2021-01-06 18:44:06,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:44:06,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:06,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:44:06,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:06,932 INFO L87 Difference]: Start difference. First operand 565 states. Second operand 3 states. [2021-01-06 18:44:07,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:07,128 INFO L93 Difference]: Finished difference Result 1660 states and 2870 transitions. [2021-01-06 18:44:07,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:44:07,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2021-01-06 18:44:07,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:07,171 INFO L225 Difference]: With dead ends: 1660 [2021-01-06 18:44:07,174 INFO L226 Difference]: Without dead ends: 886 [2021-01-06 18:44:07,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:07,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2021-01-06 18:44:07,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 452. [2021-01-06 18:44:07,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2021-01-06 18:44:07,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 782 transitions. [2021-01-06 18:44:07,279 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 782 transitions. Word has length 45 [2021-01-06 18:44:07,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:07,279 INFO L481 AbstractCegarLoop]: Abstraction has 452 states and 782 transitions. [2021-01-06 18:44:07,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:44:07,279 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 782 transitions. [2021-01-06 18:44:07,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 18:44:07,284 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:07,284 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:07,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:44:07,284 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:07,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:07,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1628258920, now seen corresponding path program 1 times [2021-01-06 18:44:07,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:07,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438434404] [2021-01-06 18:44:07,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:07,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:07,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438434404] [2021-01-06 18:44:07,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:07,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:44:07,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222339630] [2021-01-06 18:44:07,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:44:07,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:07,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:44:07,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:44:07,542 INFO L87 Difference]: Start difference. First operand 452 states and 782 transitions. Second operand 5 states. [2021-01-06 18:44:07,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:07,744 INFO L93 Difference]: Finished difference Result 1305 states and 2262 transitions. [2021-01-06 18:44:07,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:44:07,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2021-01-06 18:44:07,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:07,752 INFO L225 Difference]: With dead ends: 1305 [2021-01-06 18:44:07,752 INFO L226 Difference]: Without dead ends: 872 [2021-01-06 18:44:07,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:44:07,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2021-01-06 18:44:07,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 452. [2021-01-06 18:44:07,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2021-01-06 18:44:07,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 781 transitions. [2021-01-06 18:44:07,797 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 781 transitions. Word has length 47 [2021-01-06 18:44:07,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:07,798 INFO L481 AbstractCegarLoop]: Abstraction has 452 states and 781 transitions. [2021-01-06 18:44:07,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:44:07,798 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 781 transitions. [2021-01-06 18:44:07,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 18:44:07,804 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:07,804 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:07,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:44:07,806 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:07,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:07,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1754608299, now seen corresponding path program 1 times [2021-01-06 18:44:07,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:07,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912581001] [2021-01-06 18:44:07,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:07,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:07,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912581001] [2021-01-06 18:44:07,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:07,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:44:07,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660072444] [2021-01-06 18:44:07,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:44:07,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:07,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:44:07,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:07,905 INFO L87 Difference]: Start difference. First operand 452 states and 781 transitions. Second operand 3 states. [2021-01-06 18:44:07,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:07,950 INFO L93 Difference]: Finished difference Result 886 states and 1536 transitions. [2021-01-06 18:44:07,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:44:07,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-01-06 18:44:07,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:07,960 INFO L225 Difference]: With dead ends: 886 [2021-01-06 18:44:07,960 INFO L226 Difference]: Without dead ends: 457 [2021-01-06 18:44:07,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:07,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2021-01-06 18:44:07,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 452. [2021-01-06 18:44:07,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2021-01-06 18:44:07,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 780 transitions. [2021-01-06 18:44:07,993 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 780 transitions. Word has length 48 [2021-01-06 18:44:08,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:08,002 INFO L481 AbstractCegarLoop]: Abstraction has 452 states and 780 transitions. [2021-01-06 18:44:08,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:44:08,003 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 780 transitions. [2021-01-06 18:44:08,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 18:44:08,005 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:08,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:08,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:44:08,006 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:08,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:08,007 INFO L82 PathProgramCache]: Analyzing trace with hash -51860187, now seen corresponding path program 1 times [2021-01-06 18:44:08,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:08,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653455448] [2021-01-06 18:44:08,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:08,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:08,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653455448] [2021-01-06 18:44:08,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:08,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:44:08,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072000294] [2021-01-06 18:44:08,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:44:08,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:08,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:44:08,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:08,141 INFO L87 Difference]: Start difference. First operand 452 states and 780 transitions. Second operand 3 states. [2021-01-06 18:44:08,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:08,188 INFO L93 Difference]: Finished difference Result 896 states and 1549 transitions. [2021-01-06 18:44:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:44:08,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2021-01-06 18:44:08,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:08,192 INFO L225 Difference]: With dead ends: 896 [2021-01-06 18:44:08,192 INFO L226 Difference]: Without dead ends: 452 [2021-01-06 18:44:08,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:08,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2021-01-06 18:44:08,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2021-01-06 18:44:08,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2021-01-06 18:44:08,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 778 transitions. [2021-01-06 18:44:08,220 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 778 transitions. Word has length 49 [2021-01-06 18:44:08,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:08,220 INFO L481 AbstractCegarLoop]: Abstraction has 452 states and 778 transitions. [2021-01-06 18:44:08,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:44:08,220 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 778 transitions. [2021-01-06 18:44:08,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 18:44:08,221 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:08,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:08,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:44:08,222 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:08,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:08,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1748708848, now seen corresponding path program 1 times [2021-01-06 18:44:08,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:08,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126920915] [2021-01-06 18:44:08,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:08,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:08,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126920915] [2021-01-06 18:44:08,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:08,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:44:08,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245597044] [2021-01-06 18:44:08,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:44:08,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:08,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:44:08,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:44:08,386 INFO L87 Difference]: Start difference. First operand 452 states and 778 transitions. Second operand 5 states. [2021-01-06 18:44:08,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:08,560 INFO L93 Difference]: Finished difference Result 1295 states and 2242 transitions. [2021-01-06 18:44:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:44:08,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2021-01-06 18:44:08,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:08,567 INFO L225 Difference]: With dead ends: 1295 [2021-01-06 18:44:08,568 INFO L226 Difference]: Without dead ends: 870 [2021-01-06 18:44:08,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:44:08,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2021-01-06 18:44:08,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 452. [2021-01-06 18:44:08,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2021-01-06 18:44:08,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 777 transitions. [2021-01-06 18:44:08,597 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 777 transitions. Word has length 50 [2021-01-06 18:44:08,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:08,597 INFO L481 AbstractCegarLoop]: Abstraction has 452 states and 777 transitions. [2021-01-06 18:44:08,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:44:08,597 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 777 transitions. [2021-01-06 18:44:08,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 18:44:08,600 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:08,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:08,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:44:08,601 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:08,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:08,601 INFO L82 PathProgramCache]: Analyzing trace with hash -242954515, now seen corresponding path program 1 times [2021-01-06 18:44:08,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:08,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73899966] [2021-01-06 18:44:08,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:08,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:08,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73899966] [2021-01-06 18:44:08,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:08,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:44:08,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834759977] [2021-01-06 18:44:08,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:44:08,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:08,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:44:08,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:44:08,726 INFO L87 Difference]: Start difference. First operand 452 states and 777 transitions. Second operand 5 states. [2021-01-06 18:44:08,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:08,927 INFO L93 Difference]: Finished difference Result 1300 states and 2247 transitions. [2021-01-06 18:44:08,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:44:08,927 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-01-06 18:44:08,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:08,933 INFO L225 Difference]: With dead ends: 1300 [2021-01-06 18:44:08,933 INFO L226 Difference]: Without dead ends: 875 [2021-01-06 18:44:08,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:44:08,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2021-01-06 18:44:08,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 452. [2021-01-06 18:44:08,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2021-01-06 18:44:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 776 transitions. [2021-01-06 18:44:08,969 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 776 transitions. Word has length 51 [2021-01-06 18:44:08,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:08,969 INFO L481 AbstractCegarLoop]: Abstraction has 452 states and 776 transitions. [2021-01-06 18:44:08,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:44:08,970 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 776 transitions. [2021-01-06 18:44:08,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-06 18:44:08,971 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:08,971 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] [2021-01-06 18:44:08,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:44:08,972 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:08,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:08,977 INFO L82 PathProgramCache]: Analyzing trace with hash -100976939, now seen corresponding path program 1 times [2021-01-06 18:44:08,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:08,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384156537] [2021-01-06 18:44:08,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:09,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384156537] [2021-01-06 18:44:09,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:09,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:44:09,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421313700] [2021-01-06 18:44:09,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:44:09,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:09,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:44:09,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:09,114 INFO L87 Difference]: Start difference. First operand 452 states and 776 transitions. Second operand 3 states. [2021-01-06 18:44:09,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:09,157 INFO L93 Difference]: Finished difference Result 666 states and 1128 transitions. [2021-01-06 18:44:09,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:44:09,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2021-01-06 18:44:09,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:09,161 INFO L225 Difference]: With dead ends: 666 [2021-01-06 18:44:09,161 INFO L226 Difference]: Without dead ends: 455 [2021-01-06 18:44:09,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:09,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2021-01-06 18:44:09,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 454. [2021-01-06 18:44:09,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2021-01-06 18:44:09,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 778 transitions. [2021-01-06 18:44:09,201 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 778 transitions. Word has length 52 [2021-01-06 18:44:09,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:09,201 INFO L481 AbstractCegarLoop]: Abstraction has 454 states and 778 transitions. [2021-01-06 18:44:09,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:44:09,201 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 778 transitions. [2021-01-06 18:44:09,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 18:44:09,202 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:09,203 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:09,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:44:09,203 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:09,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:09,204 INFO L82 PathProgramCache]: Analyzing trace with hash 266196119, now seen corresponding path program 1 times [2021-01-06 18:44:09,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:09,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497177719] [2021-01-06 18:44:09,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:09,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:09,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497177719] [2021-01-06 18:44:09,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:09,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:44:09,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602641212] [2021-01-06 18:44:09,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:44:09,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:09,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:44:09,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:09,302 INFO L87 Difference]: Start difference. First operand 454 states and 778 transitions. Second operand 3 states. [2021-01-06 18:44:09,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:09,372 INFO L93 Difference]: Finished difference Result 1248 states and 2158 transitions. [2021-01-06 18:44:09,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:44:09,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 18:44:09,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:09,379 INFO L225 Difference]: With dead ends: 1248 [2021-01-06 18:44:09,379 INFO L226 Difference]: Without dead ends: 825 [2021-01-06 18:44:09,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:09,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2021-01-06 18:44:09,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 614. [2021-01-06 18:44:09,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2021-01-06 18:44:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 1071 transitions. [2021-01-06 18:44:09,424 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 1071 transitions. Word has length 58 [2021-01-06 18:44:09,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:09,425 INFO L481 AbstractCegarLoop]: Abstraction has 614 states and 1071 transitions. [2021-01-06 18:44:09,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:44:09,425 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1071 transitions. [2021-01-06 18:44:09,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 18:44:09,426 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:09,426 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:09,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:44:09,429 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:09,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:09,429 INFO L82 PathProgramCache]: Analyzing trace with hash -220100264, now seen corresponding path program 1 times [2021-01-06 18:44:09,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:09,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549402027] [2021-01-06 18:44:09,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:09,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:09,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549402027] [2021-01-06 18:44:09,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747382771] [2021-01-06 18:44:09,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:44:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:09,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:44:09,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:44:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:44:10,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 18:44:10,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 18:44:10,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69051295] [2021-01-06 18:44:10,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:44:10,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:10,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:44:10,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:44:10,024 INFO L87 Difference]: Start difference. First operand 614 states and 1071 transitions. Second operand 3 states. [2021-01-06 18:44:10,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:10,078 INFO L93 Difference]: Finished difference Result 769 states and 1325 transitions. [2021-01-06 18:44:10,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:44:10,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2021-01-06 18:44:10,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:10,086 INFO L225 Difference]: With dead ends: 769 [2021-01-06 18:44:10,086 INFO L226 Difference]: Without dead ends: 608 [2021-01-06 18:44:10,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:44:10,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2021-01-06 18:44:10,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 608. [2021-01-06 18:44:10,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2021-01-06 18:44:10,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 1062 transitions. [2021-01-06 18:44:10,132 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 1062 transitions. Word has length 59 [2021-01-06 18:44:10,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:10,132 INFO L481 AbstractCegarLoop]: Abstraction has 608 states and 1062 transitions. [2021-01-06 18:44:10,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:44:10,132 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1062 transitions. [2021-01-06 18:44:10,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 18:44:10,134 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:10,134 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] [2021-01-06 18:44:10,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-06 18:44:10,350 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:10,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:10,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1226682322, now seen corresponding path program 1 times [2021-01-06 18:44:10,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:10,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279097755] [2021-01-06 18:44:10,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:10,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279097755] [2021-01-06 18:44:10,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811867587] [2021-01-06 18:44:10,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:44:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:10,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:44:10,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:44:11,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:11,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:44:11,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:44:11,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722473369] [2021-01-06 18:44:11,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:44:11,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:11,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:44:11,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:44:11,072 INFO L87 Difference]: Start difference. First operand 608 states and 1062 transitions. Second operand 5 states. [2021-01-06 18:44:11,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:11,170 INFO L93 Difference]: Finished difference Result 1234 states and 2134 transitions. [2021-01-06 18:44:11,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:44:11,171 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2021-01-06 18:44:11,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:11,177 INFO L225 Difference]: With dead ends: 1234 [2021-01-06 18:44:11,177 INFO L226 Difference]: Without dead ends: 1029 [2021-01-06 18:44:11,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:44:11,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2021-01-06 18:44:11,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 822. [2021-01-06 18:44:11,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 822 states. [2021-01-06 18:44:11,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1452 transitions. [2021-01-06 18:44:11,238 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1452 transitions. Word has length 99 [2021-01-06 18:44:11,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:11,239 INFO L481 AbstractCegarLoop]: Abstraction has 822 states and 1452 transitions. [2021-01-06 18:44:11,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:44:11,239 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1452 transitions. [2021-01-06 18:44:11,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 18:44:11,247 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:11,247 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:11,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-06 18:44:11,461 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:11,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:11,462 INFO L82 PathProgramCache]: Analyzing trace with hash -779710049, now seen corresponding path program 1 times [2021-01-06 18:44:11,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:11,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967527038] [2021-01-06 18:44:11,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:11,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967527038] [2021-01-06 18:44:11,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:11,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:44:11,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222733362] [2021-01-06 18:44:11,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:44:11,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:11,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:44:11,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:11,535 INFO L87 Difference]: Start difference. First operand 822 states and 1452 transitions. Second operand 3 states. [2021-01-06 18:44:11,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:11,627 INFO L93 Difference]: Finished difference Result 2132 states and 3780 transitions. [2021-01-06 18:44:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:44:11,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2021-01-06 18:44:11,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:11,635 INFO L225 Difference]: With dead ends: 2132 [2021-01-06 18:44:11,635 INFO L226 Difference]: Without dead ends: 1399 [2021-01-06 18:44:11,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:11,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2021-01-06 18:44:11,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1194. [2021-01-06 18:44:11,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2021-01-06 18:44:11,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 2130 transitions. [2021-01-06 18:44:11,764 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 2130 transitions. Word has length 105 [2021-01-06 18:44:11,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:11,764 INFO L481 AbstractCegarLoop]: Abstraction has 1194 states and 2130 transitions. [2021-01-06 18:44:11,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:44:11,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 2130 transitions. [2021-01-06 18:44:11,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 18:44:11,769 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:11,770 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] [2021-01-06 18:44:11,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 18:44:11,770 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:11,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:11,771 INFO L82 PathProgramCache]: Analyzing trace with hash 973206255, now seen corresponding path program 2 times [2021-01-06 18:44:11,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:11,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451341800] [2021-01-06 18:44:11,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:11,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451341800] [2021-01-06 18:44:11,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:11,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:44:11,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824546767] [2021-01-06 18:44:11,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:44:11,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:11,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:44:11,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:44:11,894 INFO L87 Difference]: Start difference. First operand 1194 states and 2130 transitions. Second operand 5 states. [2021-01-06 18:44:12,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:12,073 INFO L93 Difference]: Finished difference Result 2346 states and 4168 transitions. [2021-01-06 18:44:12,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:44:12,074 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2021-01-06 18:44:12,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:12,081 INFO L225 Difference]: With dead ends: 2346 [2021-01-06 18:44:12,081 INFO L226 Difference]: Without dead ends: 1399 [2021-01-06 18:44:12,083 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 [2021-01-06 18:44:12,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2021-01-06 18:44:12,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1194. [2021-01-06 18:44:12,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2021-01-06 18:44:12,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 2128 transitions. [2021-01-06 18:44:12,170 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 2128 transitions. Word has length 106 [2021-01-06 18:44:12,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:12,170 INFO L481 AbstractCegarLoop]: Abstraction has 1194 states and 2128 transitions. [2021-01-06 18:44:12,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:44:12,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 2128 transitions. [2021-01-06 18:44:12,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 18:44:12,174 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:12,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:12,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:44:12,175 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:12,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:12,175 INFO L82 PathProgramCache]: Analyzing trace with hash -127965648, now seen corresponding path program 1 times [2021-01-06 18:44:12,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:12,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048169852] [2021-01-06 18:44:12,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:12,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:12,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048169852] [2021-01-06 18:44:12,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:12,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:44:12,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655531128] [2021-01-06 18:44:12,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:44:12,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:12,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:44:12,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:12,251 INFO L87 Difference]: Start difference. First operand 1194 states and 2128 transitions. Second operand 3 states. [2021-01-06 18:44:12,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:12,421 INFO L93 Difference]: Finished difference Result 3220 states and 5763 transitions. [2021-01-06 18:44:12,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:44:12,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2021-01-06 18:44:12,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:12,435 INFO L225 Difference]: With dead ends: 3220 [2021-01-06 18:44:12,435 INFO L226 Difference]: Without dead ends: 2123 [2021-01-06 18:44:12,437 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:12,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2021-01-06 18:44:12,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1918. [2021-01-06 18:44:12,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1918 states. [2021-01-06 18:44:12,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1918 states and 3447 transitions. [2021-01-06 18:44:12,586 INFO L78 Accepts]: Start accepts. Automaton has 1918 states and 3447 transitions. Word has length 106 [2021-01-06 18:44:12,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:12,586 INFO L481 AbstractCegarLoop]: Abstraction has 1918 states and 3447 transitions. [2021-01-06 18:44:12,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:44:12,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 3447 transitions. [2021-01-06 18:44:12,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 18:44:12,591 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:12,592 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:12,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:44:12,593 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:12,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:12,594 INFO L82 PathProgramCache]: Analyzing trace with hash -424880867, now seen corresponding path program 1 times [2021-01-06 18:44:12,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:12,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136860373] [2021-01-06 18:44:12,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:12,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:12,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136860373] [2021-01-06 18:44:12,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:12,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:44:12,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549397932] [2021-01-06 18:44:12,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:44:12,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:12,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:44:12,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:12,674 INFO L87 Difference]: Start difference. First operand 1918 states and 3447 transitions. Second operand 3 states. [2021-01-06 18:44:12,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:12,885 INFO L93 Difference]: Finished difference Result 5128 states and 9239 transitions. [2021-01-06 18:44:12,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:44:12,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2021-01-06 18:44:12,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:12,905 INFO L225 Difference]: With dead ends: 5128 [2021-01-06 18:44:12,905 INFO L226 Difference]: Without dead ends: 3341 [2021-01-06 18:44:12,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:12,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3341 states. [2021-01-06 18:44:13,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3341 to 3136. [2021-01-06 18:44:13,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3136 states. [2021-01-06 18:44:13,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 3136 states and 5660 transitions. [2021-01-06 18:44:13,159 INFO L78 Accepts]: Start accepts. Automaton has 3136 states and 5660 transitions. Word has length 107 [2021-01-06 18:44:13,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:13,159 INFO L481 AbstractCegarLoop]: Abstraction has 3136 states and 5660 transitions. [2021-01-06 18:44:13,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:44:13,159 INFO L276 IsEmpty]: Start isEmpty. Operand 3136 states and 5660 transitions. [2021-01-06 18:44:13,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-01-06 18:44:13,170 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:13,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:13,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:44:13,170 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:13,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:13,171 INFO L82 PathProgramCache]: Analyzing trace with hash -722514753, now seen corresponding path program 1 times [2021-01-06 18:44:13,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:13,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961187790] [2021-01-06 18:44:13,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:13,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961187790] [2021-01-06 18:44:13,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:13,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:44:13,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241769906] [2021-01-06 18:44:13,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:44:13,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:13,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:44:13,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:13,253 INFO L87 Difference]: Start difference. First operand 3136 states and 5660 transitions. Second operand 3 states. [2021-01-06 18:44:13,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:13,609 INFO L93 Difference]: Finished difference Result 8498 states and 15361 transitions. [2021-01-06 18:44:13,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:44:13,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2021-01-06 18:44:13,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:13,638 INFO L225 Difference]: With dead ends: 8498 [2021-01-06 18:44:13,639 INFO L226 Difference]: Without dead ends: 5527 [2021-01-06 18:44:13,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:13,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5527 states. [2021-01-06 18:44:13,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5527 to 5322. [2021-01-06 18:44:13,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5322 states. [2021-01-06 18:44:14,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5322 states to 5322 states and 9621 transitions. [2021-01-06 18:44:14,022 INFO L78 Accepts]: Start accepts. Automaton has 5322 states and 9621 transitions. Word has length 108 [2021-01-06 18:44:14,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:14,022 INFO L481 AbstractCegarLoop]: Abstraction has 5322 states and 9621 transitions. [2021-01-06 18:44:14,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:44:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand 5322 states and 9621 transitions. [2021-01-06 18:44:14,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 18:44:14,036 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:14,036 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] [2021-01-06 18:44:14,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:44:14,037 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:14,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:14,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1591417829, now seen corresponding path program 1 times [2021-01-06 18:44:14,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:14,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085595983] [2021-01-06 18:44:14,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:14,224 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:44:14,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085595983] [2021-01-06 18:44:14,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:14,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:44:14,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104886188] [2021-01-06 18:44:14,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:44:14,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:14,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:44:14,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:44:14,227 INFO L87 Difference]: Start difference. First operand 5322 states and 9621 transitions. Second operand 5 states. [2021-01-06 18:44:15,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:15,095 INFO L93 Difference]: Finished difference Result 15185 states and 27480 transitions. [2021-01-06 18:44:15,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:44:15,096 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2021-01-06 18:44:15,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:15,151 INFO L225 Difference]: With dead ends: 15185 [2021-01-06 18:44:15,152 INFO L226 Difference]: Without dead ends: 10110 [2021-01-06 18:44:15,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:44:15,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10110 states. [2021-01-06 18:44:15,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10110 to 5322. [2021-01-06 18:44:15,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5322 states. [2021-01-06 18:44:15,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5322 states to 5322 states and 9571 transitions. [2021-01-06 18:44:15,642 INFO L78 Accepts]: Start accepts. Automaton has 5322 states and 9571 transitions. Word has length 109 [2021-01-06 18:44:15,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:15,642 INFO L481 AbstractCegarLoop]: Abstraction has 5322 states and 9571 transitions. [2021-01-06 18:44:15,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:44:15,643 INFO L276 IsEmpty]: Start isEmpty. Operand 5322 states and 9571 transitions. [2021-01-06 18:44:15,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 18:44:15,657 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:15,657 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] [2021-01-06 18:44:15,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:44:15,658 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:15,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:15,658 INFO L82 PathProgramCache]: Analyzing trace with hash -167349876, now seen corresponding path program 1 times [2021-01-06 18:44:15,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:15,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060472064] [2021-01-06 18:44:15,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:15,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:15,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060472064] [2021-01-06 18:44:15,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:15,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:44:15,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494156765] [2021-01-06 18:44:15,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:44:15,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:15,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:44:15,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:15,754 INFO L87 Difference]: Start difference. First operand 5322 states and 9571 transitions. Second operand 3 states. [2021-01-06 18:44:16,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:16,328 INFO L93 Difference]: Finished difference Result 15382 states and 27708 transitions. [2021-01-06 18:44:16,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:44:16,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2021-01-06 18:44:16,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:16,360 INFO L225 Difference]: With dead ends: 15382 [2021-01-06 18:44:16,360 INFO L226 Difference]: Without dead ends: 10233 [2021-01-06 18:44:16,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:16,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10233 states. [2021-01-06 18:44:17,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10233 to 10028. [2021-01-06 18:44:17,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10028 states. [2021-01-06 18:44:17,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10028 states to 10028 states and 18052 transitions. [2021-01-06 18:44:17,099 INFO L78 Accepts]: Start accepts. Automaton has 10028 states and 18052 transitions. Word has length 109 [2021-01-06 18:44:17,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:17,100 INFO L481 AbstractCegarLoop]: Abstraction has 10028 states and 18052 transitions. [2021-01-06 18:44:17,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:44:17,100 INFO L276 IsEmpty]: Start isEmpty. Operand 10028 states and 18052 transitions. [2021-01-06 18:44:17,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 18:44:17,125 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:17,126 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:17,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:44:17,126 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:17,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:17,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1908850176, now seen corresponding path program 1 times [2021-01-06 18:44:17,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:17,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685431529] [2021-01-06 18:44:17,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:17,467 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:17,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685431529] [2021-01-06 18:44:17,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:17,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:44:17,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766763037] [2021-01-06 18:44:17,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:44:17,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:17,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:44:17,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:44:17,474 INFO L87 Difference]: Start difference. First operand 10028 states and 18052 transitions. Second operand 9 states. [2021-01-06 18:44:19,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:19,788 INFO L93 Difference]: Finished difference Result 20888 states and 37437 transitions. [2021-01-06 18:44:19,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 18:44:19,788 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2021-01-06 18:44:19,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:19,859 INFO L225 Difference]: With dead ends: 20888 [2021-01-06 18:44:19,859 INFO L226 Difference]: Without dead ends: 20714 [2021-01-06 18:44:19,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2021-01-06 18:44:19,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20714 states. [2021-01-06 18:44:20,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20714 to 19857. [2021-01-06 18:44:20,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19857 states. [2021-01-06 18:44:20,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19857 states to 19857 states and 35770 transitions. [2021-01-06 18:44:20,986 INFO L78 Accepts]: Start accepts. Automaton has 19857 states and 35770 transitions. Word has length 110 [2021-01-06 18:44:20,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:20,987 INFO L481 AbstractCegarLoop]: Abstraction has 19857 states and 35770 transitions. [2021-01-06 18:44:20,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:44:20,987 INFO L276 IsEmpty]: Start isEmpty. Operand 19857 states and 35770 transitions. [2021-01-06 18:44:21,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-01-06 18:44:21,032 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:21,032 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] [2021-01-06 18:44:21,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:44:21,032 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:21,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:21,033 INFO L82 PathProgramCache]: Analyzing trace with hash -813885132, now seen corresponding path program 1 times [2021-01-06 18:44:21,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:21,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634958949] [2021-01-06 18:44:21,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:21,110 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:21,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634958949] [2021-01-06 18:44:21,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:21,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:44:21,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803257091] [2021-01-06 18:44:21,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:44:21,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:21,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:44:21,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:44:21,113 INFO L87 Difference]: Start difference. First operand 19857 states and 35770 transitions. Second operand 4 states. [2021-01-06 18:44:21,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:21,946 INFO L93 Difference]: Finished difference Result 20161 states and 36263 transitions. [2021-01-06 18:44:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:44:21,947 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2021-01-06 18:44:21,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:22,009 INFO L225 Difference]: With dead ends: 20161 [2021-01-06 18:44:22,009 INFO L226 Difference]: Without dead ends: 19961 [2021-01-06 18:44:22,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:44:22,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19961 states. [2021-01-06 18:44:23,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19961 to 19856. [2021-01-06 18:44:23,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19856 states. [2021-01-06 18:44:23,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19856 states to 19856 states and 35766 transitions. [2021-01-06 18:44:23,050 INFO L78 Accepts]: Start accepts. Automaton has 19856 states and 35766 transitions. Word has length 111 [2021-01-06 18:44:23,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:23,051 INFO L481 AbstractCegarLoop]: Abstraction has 19856 states and 35766 transitions. [2021-01-06 18:44:23,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:44:23,051 INFO L276 IsEmpty]: Start isEmpty. Operand 19856 states and 35766 transitions. [2021-01-06 18:44:23,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-01-06 18:44:23,124 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:23,124 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] [2021-01-06 18:44:23,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:44:23,125 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:23,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:23,125 INFO L82 PathProgramCache]: Analyzing trace with hash -204248052, now seen corresponding path program 1 times [2021-01-06 18:44:23,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:23,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413009799] [2021-01-06 18:44:23,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:23,252 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:23,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413009799] [2021-01-06 18:44:23,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:23,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:44:23,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190206354] [2021-01-06 18:44:23,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:44:23,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:23,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:44:23,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:44:23,254 INFO L87 Difference]: Start difference. First operand 19856 states and 35766 transitions. Second operand 7 states. [2021-01-06 18:44:24,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:24,582 INFO L93 Difference]: Finished difference Result 20343 states and 36551 transitions. [2021-01-06 18:44:24,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:44:24,582 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 112 [2021-01-06 18:44:24,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:24,639 INFO L225 Difference]: With dead ends: 20343 [2021-01-06 18:44:24,640 INFO L226 Difference]: Without dead ends: 20013 [2021-01-06 18:44:24,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-01-06 18:44:24,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20013 states. [2021-01-06 18:44:25,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20013 to 19844. [2021-01-06 18:44:25,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19844 states. [2021-01-06 18:44:25,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19844 states to 19844 states and 35739 transitions. [2021-01-06 18:44:25,645 INFO L78 Accepts]: Start accepts. Automaton has 19844 states and 35739 transitions. Word has length 112 [2021-01-06 18:44:25,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:25,645 INFO L481 AbstractCegarLoop]: Abstraction has 19844 states and 35739 transitions. [2021-01-06 18:44:25,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:44:25,646 INFO L276 IsEmpty]: Start isEmpty. Operand 19844 states and 35739 transitions. [2021-01-06 18:44:25,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-01-06 18:44:25,674 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:25,674 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] [2021-01-06 18:44:25,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:44:25,674 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:25,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:25,675 INFO L82 PathProgramCache]: Analyzing trace with hash -530488092, now seen corresponding path program 1 times [2021-01-06 18:44:25,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:25,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66074619] [2021-01-06 18:44:25,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:25,802 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:25,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66074619] [2021-01-06 18:44:25,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:25,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:44:25,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631954878] [2021-01-06 18:44:25,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:44:25,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:25,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:44:25,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:44:25,804 INFO L87 Difference]: Start difference. First operand 19844 states and 35739 transitions. Second operand 9 states. [2021-01-06 18:44:28,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:28,178 INFO L93 Difference]: Finished difference Result 40853 states and 73336 transitions. [2021-01-06 18:44:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-06 18:44:28,179 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2021-01-06 18:44:28,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:28,280 INFO L225 Difference]: With dead ends: 40853 [2021-01-06 18:44:28,281 INFO L226 Difference]: Without dead ends: 40535 [2021-01-06 18:44:28,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2021-01-06 18:44:28,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40535 states. [2021-01-06 18:44:30,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40535 to 39409. [2021-01-06 18:44:30,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39409 states. [2021-01-06 18:44:30,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39409 states to 39409 states and 71003 transitions. [2021-01-06 18:44:30,282 INFO L78 Accepts]: Start accepts. Automaton has 39409 states and 71003 transitions. Word has length 112 [2021-01-06 18:44:30,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:30,283 INFO L481 AbstractCegarLoop]: Abstraction has 39409 states and 71003 transitions. [2021-01-06 18:44:30,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:44:30,283 INFO L276 IsEmpty]: Start isEmpty. Operand 39409 states and 71003 transitions. [2021-01-06 18:44:30,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-01-06 18:44:30,335 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:30,335 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] [2021-01-06 18:44:30,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:44:30,336 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:30,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:30,336 INFO L82 PathProgramCache]: Analyzing trace with hash 345530914, now seen corresponding path program 1 times [2021-01-06 18:44:30,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:30,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724827626] [2021-01-06 18:44:30,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:30,477 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:30,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724827626] [2021-01-06 18:44:30,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:30,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:44:30,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940875584] [2021-01-06 18:44:30,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:44:30,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:30,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:44:30,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:44:30,479 INFO L87 Difference]: Start difference. First operand 39409 states and 71003 transitions. Second operand 9 states. [2021-01-06 18:44:33,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:33,105 INFO L93 Difference]: Finished difference Result 42328 states and 75633 transitions. [2021-01-06 18:44:33,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 18:44:33,107 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2021-01-06 18:44:33,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:33,194 INFO L225 Difference]: With dead ends: 42328 [2021-01-06 18:44:33,194 INFO L226 Difference]: Without dead ends: 41825 [2021-01-06 18:44:33,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-01-06 18:44:33,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41825 states. [2021-01-06 18:44:34,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41825 to 39417. [2021-01-06 18:44:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39417 states. [2021-01-06 18:44:35,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39417 states to 39417 states and 71011 transitions. [2021-01-06 18:44:35,020 INFO L78 Accepts]: Start accepts. Automaton has 39417 states and 71011 transitions. Word has length 112 [2021-01-06 18:44:35,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:35,020 INFO L481 AbstractCegarLoop]: Abstraction has 39417 states and 71011 transitions. [2021-01-06 18:44:35,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:44:35,021 INFO L276 IsEmpty]: Start isEmpty. Operand 39417 states and 71011 transitions. [2021-01-06 18:44:35,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-01-06 18:44:35,288 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:35,293 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] [2021-01-06 18:44:35,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:44:35,293 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:35,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:35,295 INFO L82 PathProgramCache]: Analyzing trace with hash -3732798, now seen corresponding path program 1 times [2021-01-06 18:44:35,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:35,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139676059] [2021-01-06 18:44:35,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:35,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139676059] [2021-01-06 18:44:35,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:35,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:44:35,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708441202] [2021-01-06 18:44:35,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:44:35,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:35,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:44:35,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:44:35,475 INFO L87 Difference]: Start difference. First operand 39417 states and 71011 transitions. Second operand 5 states. [2021-01-06 18:44:37,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:37,576 INFO L93 Difference]: Finished difference Result 42549 states and 76031 transitions. [2021-01-06 18:44:37,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:44:37,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2021-01-06 18:44:37,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:37,643 INFO L225 Difference]: With dead ends: 42549 [2021-01-06 18:44:37,643 INFO L226 Difference]: Without dead ends: 42142 [2021-01-06 18:44:37,655 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 [2021-01-06 18:44:37,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42142 states. [2021-01-06 18:44:39,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42142 to 39821. [2021-01-06 18:44:39,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39821 states. [2021-01-06 18:44:39,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39821 states to 39821 states and 71671 transitions. [2021-01-06 18:44:39,494 INFO L78 Accepts]: Start accepts. Automaton has 39821 states and 71671 transitions. Word has length 113 [2021-01-06 18:44:39,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:39,494 INFO L481 AbstractCegarLoop]: Abstraction has 39821 states and 71671 transitions. [2021-01-06 18:44:39,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:44:39,494 INFO L276 IsEmpty]: Start isEmpty. Operand 39821 states and 71671 transitions. [2021-01-06 18:44:39,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-01-06 18:44:39,708 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:39,708 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] [2021-01-06 18:44:39,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:44:39,709 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:39,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:39,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1172935650, now seen corresponding path program 1 times [2021-01-06 18:44:39,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:39,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281237216] [2021-01-06 18:44:39,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:39,831 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:39,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281237216] [2021-01-06 18:44:39,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:39,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:44:39,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299277188] [2021-01-06 18:44:39,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:44:39,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:39,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:44:39,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:44:39,834 INFO L87 Difference]: Start difference. First operand 39821 states and 71671 transitions. Second operand 5 states. [2021-01-06 18:44:41,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:41,812 INFO L93 Difference]: Finished difference Result 41193 states and 73855 transitions. [2021-01-06 18:44:41,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:44:41,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2021-01-06 18:44:41,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:41,871 INFO L225 Difference]: With dead ends: 41193 [2021-01-06 18:44:41,871 INFO L226 Difference]: Without dead ends: 40818 [2021-01-06 18:44:41,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:44:41,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40818 states. [2021-01-06 18:44:43,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40818 to 39837. [2021-01-06 18:44:43,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39837 states. [2021-01-06 18:44:43,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39837 states to 39837 states and 71687 transitions. [2021-01-06 18:44:43,784 INFO L78 Accepts]: Start accepts. Automaton has 39837 states and 71687 transitions. Word has length 114 [2021-01-06 18:44:43,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:43,784 INFO L481 AbstractCegarLoop]: Abstraction has 39837 states and 71687 transitions. [2021-01-06 18:44:43,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:44:43,784 INFO L276 IsEmpty]: Start isEmpty. Operand 39837 states and 71687 transitions. [2021-01-06 18:44:43,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-01-06 18:44:43,833 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:43,834 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] [2021-01-06 18:44:43,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:44:43,834 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:43,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:43,834 INFO L82 PathProgramCache]: Analyzing trace with hash 430858851, now seen corresponding path program 1 times [2021-01-06 18:44:43,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:43,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949183072] [2021-01-06 18:44:43,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:44,000 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:44,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949183072] [2021-01-06 18:44:44,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:44,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:44:44,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866478073] [2021-01-06 18:44:44,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:44:44,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:44,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:44:44,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:44:44,003 INFO L87 Difference]: Start difference. First operand 39837 states and 71687 transitions. Second operand 10 states. [2021-01-06 18:44:44,535 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-01-06 18:44:46,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:46,136 INFO L93 Difference]: Finished difference Result 40917 states and 73395 transitions. [2021-01-06 18:44:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-06 18:44:46,136 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 114 [2021-01-06 18:44:46,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:46,271 INFO L225 Difference]: With dead ends: 40917 [2021-01-06 18:44:46,271 INFO L226 Difference]: Without dead ends: 40102 [2021-01-06 18:44:46,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2021-01-06 18:44:46,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40102 states. [2021-01-06 18:44:48,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40102 to 39797. [2021-01-06 18:44:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39797 states. [2021-01-06 18:44:48,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39797 states to 39797 states and 71607 transitions. [2021-01-06 18:44:48,225 INFO L78 Accepts]: Start accepts. Automaton has 39797 states and 71607 transitions. Word has length 114 [2021-01-06 18:44:48,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:48,225 INFO L481 AbstractCegarLoop]: Abstraction has 39797 states and 71607 transitions. [2021-01-06 18:44:48,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:44:48,225 INFO L276 IsEmpty]: Start isEmpty. Operand 39797 states and 71607 transitions. [2021-01-06 18:44:48,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-01-06 18:44:48,266 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:48,266 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] [2021-01-06 18:44:48,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:44:48,267 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:48,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:48,267 INFO L82 PathProgramCache]: Analyzing trace with hash -636843011, now seen corresponding path program 1 times [2021-01-06 18:44:48,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:48,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963517704] [2021-01-06 18:44:48,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:48,342 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:48,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963517704] [2021-01-06 18:44:48,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:48,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:44:48,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439876502] [2021-01-06 18:44:48,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:44:48,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:48,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:44:48,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:44:48,344 INFO L87 Difference]: Start difference. First operand 39797 states and 71607 transitions. Second operand 4 states. [2021-01-06 18:44:50,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:50,244 INFO L93 Difference]: Finished difference Result 42737 states and 76278 transitions. [2021-01-06 18:44:50,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:44:50,244 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2021-01-06 18:44:50,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:50,301 INFO L225 Difference]: With dead ends: 42737 [2021-01-06 18:44:50,302 INFO L226 Difference]: Without dead ends: 41750 [2021-01-06 18:44:50,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:44:50,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41750 states. [2021-01-06 18:44:52,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41750 to 39807. [2021-01-06 18:44:52,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39807 states. [2021-01-06 18:44:52,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39807 states to 39807 states and 71617 transitions. [2021-01-06 18:44:52,291 INFO L78 Accepts]: Start accepts. Automaton has 39807 states and 71617 transitions. Word has length 116 [2021-01-06 18:44:52,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:52,291 INFO L481 AbstractCegarLoop]: Abstraction has 39807 states and 71617 transitions. [2021-01-06 18:44:52,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:44:52,291 INFO L276 IsEmpty]: Start isEmpty. Operand 39807 states and 71617 transitions. [2021-01-06 18:44:52,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-01-06 18:44:52,330 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:52,330 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] [2021-01-06 18:44:52,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:44:52,330 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:52,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:52,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1300768382, now seen corresponding path program 1 times [2021-01-06 18:44:52,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:52,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017412353] [2021-01-06 18:44:52,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:52,413 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:52,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017412353] [2021-01-06 18:44:52,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:52,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 18:44:52,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192640568] [2021-01-06 18:44:52,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:44:52,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:52,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:44:52,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:44:52,415 INFO L87 Difference]: Start difference. First operand 39807 states and 71617 transitions. Second operand 6 states. [2021-01-06 18:44:54,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:54,255 INFO L93 Difference]: Finished difference Result 41559 states and 74412 transitions. [2021-01-06 18:44:54,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:44:54,255 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 116 [2021-01-06 18:44:54,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:54,322 INFO L225 Difference]: With dead ends: 41559 [2021-01-06 18:44:54,322 INFO L226 Difference]: Without dead ends: 40534 [2021-01-06 18:44:54,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:44:54,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40534 states. [2021-01-06 18:44:56,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40534 to 39750. [2021-01-06 18:44:56,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39750 states. [2021-01-06 18:44:56,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39750 states to 39750 states and 71521 transitions. [2021-01-06 18:44:56,111 INFO L78 Accepts]: Start accepts. Automaton has 39750 states and 71521 transitions. Word has length 116 [2021-01-06 18:44:56,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:56,112 INFO L481 AbstractCegarLoop]: Abstraction has 39750 states and 71521 transitions. [2021-01-06 18:44:56,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:44:56,112 INFO L276 IsEmpty]: Start isEmpty. Operand 39750 states and 71521 transitions. [2021-01-06 18:44:56,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-01-06 18:44:56,156 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:56,156 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] [2021-01-06 18:44:56,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:44:56,156 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:56,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:56,157 INFO L82 PathProgramCache]: Analyzing trace with hash -2037481619, now seen corresponding path program 1 times [2021-01-06 18:44:56,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:56,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192817479] [2021-01-06 18:44:56,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:56,324 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:56,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192817479] [2021-01-06 18:44:56,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:56,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-01-06 18:44:56,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605859076] [2021-01-06 18:44:56,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-06 18:44:56,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:56,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-06 18:44:56,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-01-06 18:44:56,326 INFO L87 Difference]: Start difference. First operand 39750 states and 71521 transitions. Second operand 12 states. [2021-01-06 18:44:59,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:59,442 INFO L93 Difference]: Finished difference Result 43205 states and 76882 transitions. [2021-01-06 18:44:59,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-06 18:44:59,442 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2021-01-06 18:44:59,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:59,501 INFO L225 Difference]: With dead ends: 43205 [2021-01-06 18:44:59,501 INFO L226 Difference]: Without dead ends: 42868 [2021-01-06 18:44:59,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=316, Invalid=874, Unknown=0, NotChecked=0, Total=1190 [2021-01-06 18:44:59,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42868 states. [2021-01-06 18:45:01,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42868 to 40198. [2021-01-06 18:45:01,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40198 states. [2021-01-06 18:45:01,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40198 states to 40198 states and 72246 transitions. [2021-01-06 18:45:01,265 INFO L78 Accepts]: Start accepts. Automaton has 40198 states and 72246 transitions. Word has length 117 [2021-01-06 18:45:01,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:01,266 INFO L481 AbstractCegarLoop]: Abstraction has 40198 states and 72246 transitions. [2021-01-06 18:45:01,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-01-06 18:45:01,266 INFO L276 IsEmpty]: Start isEmpty. Operand 40198 states and 72246 transitions. [2021-01-06 18:45:01,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-01-06 18:45:01,307 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:01,307 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] [2021-01-06 18:45:01,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 18:45:01,308 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:01,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:01,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1209877997, now seen corresponding path program 1 times [2021-01-06 18:45:01,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:01,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963569405] [2021-01-06 18:45:01,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:45:01,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963569405] [2021-01-06 18:45:01,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:01,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:45:01,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916509172] [2021-01-06 18:45:01,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:45:01,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:01,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:45:01,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:45:01,439 INFO L87 Difference]: Start difference. First operand 40198 states and 72246 transitions. Second operand 9 states. [2021-01-06 18:45:03,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:03,423 INFO L93 Difference]: Finished difference Result 41231 states and 73869 transitions. [2021-01-06 18:45:03,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 18:45:03,423 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 117 [2021-01-06 18:45:03,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:03,476 INFO L225 Difference]: With dead ends: 41231 [2021-01-06 18:45:03,476 INFO L226 Difference]: Without dead ends: 39947 [2021-01-06 18:45:03,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2021-01-06 18:45:03,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39947 states. [2021-01-06 18:45:05,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39947 to 39729. [2021-01-06 18:45:05,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39729 states. [2021-01-06 18:45:05,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39729 states to 39729 states and 71471 transitions. [2021-01-06 18:45:05,173 INFO L78 Accepts]: Start accepts. Automaton has 39729 states and 71471 transitions. Word has length 117 [2021-01-06 18:45:05,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:05,174 INFO L481 AbstractCegarLoop]: Abstraction has 39729 states and 71471 transitions. [2021-01-06 18:45:05,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:45:05,174 INFO L276 IsEmpty]: Start isEmpty. Operand 39729 states and 71471 transitions. [2021-01-06 18:45:05,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-01-06 18:45:05,214 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:05,214 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] [2021-01-06 18:45:05,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-01-06 18:45:05,215 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:05,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:05,215 INFO L82 PathProgramCache]: Analyzing trace with hash 616715450, now seen corresponding path program 1 times [2021-01-06 18:45:05,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:05,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935832342] [2021-01-06 18:45:05,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:05,315 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:45:05,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935832342] [2021-01-06 18:45:05,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:05,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:45:05,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859474142] [2021-01-06 18:45:05,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:45:05,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:05,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:45:05,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:45:05,317 INFO L87 Difference]: Start difference. First operand 39729 states and 71471 transitions. Second operand 5 states. [2021-01-06 18:45:07,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:07,097 INFO L93 Difference]: Finished difference Result 39842 states and 71645 transitions. [2021-01-06 18:45:07,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:45:07,098 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2021-01-06 18:45:07,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:07,151 INFO L225 Difference]: With dead ends: 39842 [2021-01-06 18:45:07,151 INFO L226 Difference]: Without dead ends: 39729 [2021-01-06 18:45:07,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:45:07,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39729 states. [2021-01-06 18:45:08,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39729 to 39729. [2021-01-06 18:45:08,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39729 states. [2021-01-06 18:45:08,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39729 states to 39729 states and 71463 transitions. [2021-01-06 18:45:08,861 INFO L78 Accepts]: Start accepts. Automaton has 39729 states and 71463 transitions. Word has length 118 [2021-01-06 18:45:08,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:08,861 INFO L481 AbstractCegarLoop]: Abstraction has 39729 states and 71463 transitions. [2021-01-06 18:45:08,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:45:08,862 INFO L276 IsEmpty]: Start isEmpty. Operand 39729 states and 71463 transitions. [2021-01-06 18:45:08,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-01-06 18:45:08,910 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:08,910 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:08,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-01-06 18:45:08,911 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:08,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:08,911 INFO L82 PathProgramCache]: Analyzing trace with hash 2147272503, now seen corresponding path program 1 times [2021-01-06 18:45:08,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:08,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339491245] [2021-01-06 18:45:08,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:09,026 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:45:09,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339491245] [2021-01-06 18:45:09,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:09,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:45:09,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590445118] [2021-01-06 18:45:09,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:45:09,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:09,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:45:09,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:45:09,028 INFO L87 Difference]: Start difference. First operand 39729 states and 71463 transitions. Second operand 5 states. [2021-01-06 18:45:12,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:12,197 INFO L93 Difference]: Finished difference Result 79391 states and 142736 transitions. [2021-01-06 18:45:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:45:12,197 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2021-01-06 18:45:12,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:12,315 INFO L225 Difference]: With dead ends: 79391 [2021-01-06 18:45:12,315 INFO L226 Difference]: Without dead ends: 79038 [2021-01-06 18:45:12,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:45:12,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79038 states. [2021-01-06 18:45:15,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79038 to 78693. [2021-01-06 18:45:15,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78693 states. [2021-01-06 18:45:15,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78693 states to 78693 states and 141652 transitions. [2021-01-06 18:45:15,995 INFO L78 Accepts]: Start accepts. Automaton has 78693 states and 141652 transitions. Word has length 144 [2021-01-06 18:45:15,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:15,995 INFO L481 AbstractCegarLoop]: Abstraction has 78693 states and 141652 transitions. [2021-01-06 18:45:15,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:45:15,995 INFO L276 IsEmpty]: Start isEmpty. Operand 78693 states and 141652 transitions. [2021-01-06 18:45:16,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-01-06 18:45:16,083 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:16,083 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:16,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-01-06 18:45:16,084 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:16,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:16,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1030704113, now seen corresponding path program 1 times [2021-01-06 18:45:16,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:16,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016253843] [2021-01-06 18:45:16,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:45:16,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016253843] [2021-01-06 18:45:16,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:16,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:45:16,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944620664] [2021-01-06 18:45:16,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:45:16,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:16,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:45:16,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:45:16,246 INFO L87 Difference]: Start difference. First operand 78693 states and 141652 transitions. Second operand 11 states. [2021-01-06 18:45:20,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:20,029 INFO L93 Difference]: Finished difference Result 79417 states and 142758 transitions. [2021-01-06 18:45:20,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-06 18:45:20,029 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 145 [2021-01-06 18:45:20,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:20,163 INFO L225 Difference]: With dead ends: 79417 [2021-01-06 18:45:20,164 INFO L226 Difference]: Without dead ends: 78383 [2021-01-06 18:45:20,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2021-01-06 18:45:20,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78383 states. [2021-01-06 18:45:23,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78383 to 77619. [2021-01-06 18:45:23,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77619 states. [2021-01-06 18:45:23,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77619 states to 77619 states and 139130 transitions. [2021-01-06 18:45:23,802 INFO L78 Accepts]: Start accepts. Automaton has 77619 states and 139130 transitions. Word has length 145 [2021-01-06 18:45:23,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:23,802 INFO L481 AbstractCegarLoop]: Abstraction has 77619 states and 139130 transitions. [2021-01-06 18:45:23,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:45:23,802 INFO L276 IsEmpty]: Start isEmpty. Operand 77619 states and 139130 transitions. [2021-01-06 18:45:23,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-01-06 18:45:23,897 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:23,897 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:23,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-01-06 18:45:23,897 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:23,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:23,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1997573868, now seen corresponding path program 1 times [2021-01-06 18:45:23,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:23,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104169887] [2021-01-06 18:45:23,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:24,497 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:45:24,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104169887] [2021-01-06 18:45:24,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:24,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-01-06 18:45:24,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163891276] [2021-01-06 18:45:24,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-01-06 18:45:24,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:24,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-01-06 18:45:24,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-01-06 18:45:24,505 INFO L87 Difference]: Start difference. First operand 77619 states and 139130 transitions. Second operand 15 states. [2021-01-06 18:45:28,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:28,702 INFO L93 Difference]: Finished difference Result 78399 states and 140312 transitions. [2021-01-06 18:45:28,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-06 18:45:28,703 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 150 [2021-01-06 18:45:28,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:28,832 INFO L225 Difference]: With dead ends: 78399 [2021-01-06 18:45:28,832 INFO L226 Difference]: Without dead ends: 78318 [2021-01-06 18:45:28,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=296, Invalid=894, Unknown=0, NotChecked=0, Total=1190 [2021-01-06 18:45:28,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78318 states. [2021-01-06 18:45:32,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78318 to 77619. [2021-01-06 18:45:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77619 states. [2021-01-06 18:45:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77619 states to 77619 states and 139126 transitions. [2021-01-06 18:45:32,525 INFO L78 Accepts]: Start accepts. Automaton has 77619 states and 139126 transitions. Word has length 150 [2021-01-06 18:45:32,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:32,525 INFO L481 AbstractCegarLoop]: Abstraction has 77619 states and 139126 transitions. [2021-01-06 18:45:32,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-01-06 18:45:32,525 INFO L276 IsEmpty]: Start isEmpty. Operand 77619 states and 139126 transitions. [2021-01-06 18:45:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-01-06 18:45:32,617 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:32,617 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:32,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-01-06 18:45:32,618 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:32,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:32,618 INFO L82 PathProgramCache]: Analyzing trace with hash 2091850060, now seen corresponding path program 1 times [2021-01-06 18:45:32,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:32,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545389548] [2021-01-06 18:45:32,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:32,902 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:45:32,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545389548] [2021-01-06 18:45:32,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:32,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-01-06 18:45:32,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366318762] [2021-01-06 18:45:32,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-01-06 18:45:32,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:32,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-01-06 18:45:32,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2021-01-06 18:45:32,904 INFO L87 Difference]: Start difference. First operand 77619 states and 139126 transitions. Second operand 17 states. [2021-01-06 18:45:38,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:38,686 INFO L93 Difference]: Finished difference Result 78976 states and 141156 transitions. [2021-01-06 18:45:38,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-01-06 18:45:38,687 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 151 [2021-01-06 18:45:38,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:38,814 INFO L225 Difference]: With dead ends: 78976 [2021-01-06 18:45:38,815 INFO L226 Difference]: Without dead ends: 78946 [2021-01-06 18:45:38,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 763 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=897, Invalid=3009, Unknown=0, NotChecked=0, Total=3906 [2021-01-06 18:45:38,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78946 states. [2021-01-06 18:45:42,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78946 to 76948. [2021-01-06 18:45:42,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76948 states. [2021-01-06 18:45:42,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76948 states to 76948 states and 138083 transitions. [2021-01-06 18:45:42,425 INFO L78 Accepts]: Start accepts. Automaton has 76948 states and 138083 transitions. Word has length 151 [2021-01-06 18:45:42,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:42,426 INFO L481 AbstractCegarLoop]: Abstraction has 76948 states and 138083 transitions. [2021-01-06 18:45:42,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-01-06 18:45:42,426 INFO L276 IsEmpty]: Start isEmpty. Operand 76948 states and 138083 transitions. [2021-01-06 18:45:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-01-06 18:45:42,514 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:42,514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:42,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-01-06 18:45:42,515 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:42,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:42,515 INFO L82 PathProgramCache]: Analyzing trace with hash 809115164, now seen corresponding path program 1 times [2021-01-06 18:45:42,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:42,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602507791] [2021-01-06 18:45:42,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:42,784 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:45:42,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602507791] [2021-01-06 18:45:42,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:42,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-01-06 18:45:42,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128262459] [2021-01-06 18:45:42,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-01-06 18:45:42,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:42,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-01-06 18:45:42,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2021-01-06 18:45:42,786 INFO L87 Difference]: Start difference. First operand 76948 states and 138083 transitions. Second operand 16 states. [2021-01-06 18:45:48,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:48,096 INFO L93 Difference]: Finished difference Result 77361 states and 138702 transitions. [2021-01-06 18:45:48,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-01-06 18:45:48,097 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 152 [2021-01-06 18:45:48,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:48,197 INFO L225 Difference]: With dead ends: 77361 [2021-01-06 18:45:48,197 INFO L226 Difference]: Without dead ends: 77334 [2021-01-06 18:45:48,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=873, Invalid=2787, Unknown=0, NotChecked=0, Total=3660 [2021-01-06 18:45:48,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77334 states.