/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_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:49:02,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:49:02,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:49:02,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:49:02,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:49:02,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:49:02,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:49:02,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:49:02,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:49:02,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:49:02,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:49:02,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:49:02,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:49:02,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:49:02,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:49:02,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:49:02,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:49:02,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:49:02,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:49:02,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:49:02,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:49:02,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:49:02,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:49:03,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:49:03,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:49:03,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:49:03,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:49:03,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:49:03,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:49:03,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:49:03,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:49:03,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:49:03,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:49:03,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:49:03,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:49:03,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:49:03,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:49:03,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:49:03,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:49:03,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:49:03,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:49:03,035 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:49:03,086 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:49:03,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:49:03,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:49:03,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:49:03,091 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:49:03,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:49:03,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:49:03,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:49:03,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:49:03,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:49:03,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:49:03,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:49:03,094 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:49:03,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:49:03,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:49:03,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:49:03,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:49:03,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:49:03,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:49:03,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:49:03,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:49:03,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:49:03,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:49:03,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:49:03,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:49:03,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:49:03,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:49:03,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:49:03,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:49:03,563 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:49:03,564 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:49:03,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product22.cil.c [2020-12-23 08:49:03,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/dd93bb58d/f521a62b0c6247a5822875f4561a11aa/FLAGc97663fa8 [2020-12-23 08:49:04,479 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:49:04,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product22.cil.c [2020-12-23 08:49:04,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/dd93bb58d/f521a62b0c6247a5822875f4561a11aa/FLAGc97663fa8 [2020-12-23 08:49:04,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/dd93bb58d/f521a62b0c6247a5822875f4561a11aa [2020-12-23 08:49:04,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:49:04,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:49:04,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:49:04,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:49:04,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:49:04,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:49:04" (1/1) ... [2020-12-23 08:49:04,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce3440b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:04, skipping insertion in model container [2020-12-23 08:49:04,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:49:04" (1/1) ... [2020-12-23 08:49:04,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:49:04,728 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] [2020-12-23 08:49:05,197 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_product22.cil.c[32915,32928] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~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[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~11,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~12,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~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_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~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[~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[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~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_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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__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~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] 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[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] [2020-12-23 08:49:05,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:49:05,365 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] [2020-12-23 08:49:05,466 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_product22.cil.c[32915,32928] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~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[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~11,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~12,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~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_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~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[~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[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~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_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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__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~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] 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[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] [2020-12-23 08:49:05,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:49:05,592 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:49:05,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:05 WrapperNode [2020-12-23 08:49:05,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:49:05,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:49:05,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:49:05,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:49:05,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:05" (1/1) ... [2020-12-23 08:49:05,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:05" (1/1) ... [2020-12-23 08:49:05,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:49:05,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:49:05,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:49:05,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:49:05,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:05" (1/1) ... [2020-12-23 08:49:05,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:05" (1/1) ... [2020-12-23 08:49:05,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:05" (1/1) ... [2020-12-23 08:49:05,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:05" (1/1) ... [2020-12-23 08:49:05,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:05" (1/1) ... [2020-12-23 08:49:05,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:05" (1/1) ... [2020-12-23 08:49:05,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:05" (1/1) ... [2020-12-23 08:49:05,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:49:05,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:49:05,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:49:05,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:49:05,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:49:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:49:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:49:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:49:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:49:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:49:08,960 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:49:08,960 INFO L299 CfgBuilder]: Removed 319 assume(true) statements. [2020-12-23 08:49:08,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:49:08 BoogieIcfgContainer [2020-12-23 08:49:08,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:49:08,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:49:08,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:49:08,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:49:08,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:49:04" (1/3) ... [2020-12-23 08:49:08,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e03b278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:49:08, skipping insertion in model container [2020-12-23 08:49:08,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:05" (2/3) ... [2020-12-23 08:49:08,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e03b278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:49:08, skipping insertion in model container [2020-12-23 08:49:08,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:49:08" (3/3) ... [2020-12-23 08:49:08,978 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product22.cil.c [2020-12-23 08:49:08,985 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:49:08,991 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:49:09,023 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:49:09,074 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:49:09,074 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:49:09,074 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:49:09,074 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:49:09,075 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:49:09,075 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:49:09,075 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:49:09,075 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:49:09,111 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states. [2020-12-23 08:49:09,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 08:49:09,132 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:09,133 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] [2020-12-23 08:49:09,133 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:09,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:09,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1950414624, now seen corresponding path program 1 times [2020-12-23 08:49:09,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:09,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812483559] [2020-12-23 08:49:09,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:09,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812483559] [2020-12-23 08:49:09,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:09,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:09,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976697767] [2020-12-23 08:49:09,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:09,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:09,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:09,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:09,623 INFO L87 Difference]: Start difference. First operand 477 states. Second operand 3 states. [2020-12-23 08:49:09,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:09,811 INFO L93 Difference]: Finished difference Result 1396 states and 2423 transitions. [2020-12-23 08:49:09,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:09,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-12-23 08:49:09,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:09,840 INFO L225 Difference]: With dead ends: 1396 [2020-12-23 08:49:09,841 INFO L226 Difference]: Without dead ends: 780 [2020-12-23 08:49:09,848 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:09,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2020-12-23 08:49:09,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 399. [2020-12-23 08:49:09,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-12-23 08:49:09,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 692 transitions. [2020-12-23 08:49:09,936 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 692 transitions. Word has length 41 [2020-12-23 08:49:09,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:09,937 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 692 transitions. [2020-12-23 08:49:09,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:09,937 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 692 transitions. [2020-12-23 08:49:09,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-23 08:49:09,941 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:09,941 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] [2020-12-23 08:49:09,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:49:09,942 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:09,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:09,943 INFO L82 PathProgramCache]: Analyzing trace with hash -44185491, now seen corresponding path program 1 times [2020-12-23 08:49:09,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:09,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88484424] [2020-12-23 08:49:09,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:10,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:10,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88484424] [2020-12-23 08:49:10,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:10,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:49:10,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650213191] [2020-12-23 08:49:10,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:10,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:10,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:10,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:10,106 INFO L87 Difference]: Start difference. First operand 399 states and 692 transitions. Second operand 5 states. [2020-12-23 08:49:10,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:10,350 INFO L93 Difference]: Finished difference Result 1146 states and 1992 transitions. [2020-12-23 08:49:10,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:49:10,351 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2020-12-23 08:49:10,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:10,359 INFO L225 Difference]: With dead ends: 1146 [2020-12-23 08:49:10,360 INFO L226 Difference]: Without dead ends: 766 [2020-12-23 08:49:10,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:49:10,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2020-12-23 08:49:10,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 399. [2020-12-23 08:49:10,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-12-23 08:49:10,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 691 transitions. [2020-12-23 08:49:10,441 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 691 transitions. Word has length 43 [2020-12-23 08:49:10,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:10,441 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 691 transitions. [2020-12-23 08:49:10,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 691 transitions. [2020-12-23 08:49:10,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 08:49:10,450 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:10,450 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] [2020-12-23 08:49:10,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:49:10,451 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:10,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:10,453 INFO L82 PathProgramCache]: Analyzing trace with hash -153895168, now seen corresponding path program 1 times [2020-12-23 08:49:10,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:10,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177963298] [2020-12-23 08:49:10,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:10,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177963298] [2020-12-23 08:49:10,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:10,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:10,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003189230] [2020-12-23 08:49:10,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:10,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:10,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:10,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:10,629 INFO L87 Difference]: Start difference. First operand 399 states and 691 transitions. Second operand 3 states. [2020-12-23 08:49:10,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:10,674 INFO L93 Difference]: Finished difference Result 780 states and 1356 transitions. [2020-12-23 08:49:10,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:10,675 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-12-23 08:49:10,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:10,677 INFO L225 Difference]: With dead ends: 780 [2020-12-23 08:49:10,677 INFO L226 Difference]: Without dead ends: 404 [2020-12-23 08:49:10,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:10,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2020-12-23 08:49:10,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 399. [2020-12-23 08:49:10,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-12-23 08:49:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 690 transitions. [2020-12-23 08:49:10,708 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 690 transitions. Word has length 44 [2020-12-23 08:49:10,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:10,716 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 690 transitions. [2020-12-23 08:49:10,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:10,717 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 690 transitions. [2020-12-23 08:49:10,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 08:49:10,718 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:10,718 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] [2020-12-23 08:49:10,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:49:10,719 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:10,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:10,719 INFO L82 PathProgramCache]: Analyzing trace with hash -743733638, now seen corresponding path program 1 times [2020-12-23 08:49:10,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:10,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742936017] [2020-12-23 08:49:10,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:10,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:10,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742936017] [2020-12-23 08:49:10,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:10,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:10,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983693264] [2020-12-23 08:49:10,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:10,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:10,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:10,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:10,826 INFO L87 Difference]: Start difference. First operand 399 states and 690 transitions. Second operand 3 states. [2020-12-23 08:49:10,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:10,867 INFO L93 Difference]: Finished difference Result 790 states and 1369 transitions. [2020-12-23 08:49:10,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:10,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-23 08:49:10,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:10,871 INFO L225 Difference]: With dead ends: 790 [2020-12-23 08:49:10,871 INFO L226 Difference]: Without dead ends: 399 [2020-12-23 08:49:10,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:10,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-12-23 08:49:10,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2020-12-23 08:49:10,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-12-23 08:49:10,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 688 transitions. [2020-12-23 08:49:10,894 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 688 transitions. Word has length 45 [2020-12-23 08:49:10,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:10,895 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 688 transitions. [2020-12-23 08:49:10,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:10,895 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 688 transitions. [2020-12-23 08:49:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-23 08:49:10,896 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:10,896 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] [2020-12-23 08:49:10,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:49:10,897 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:10,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:10,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1616651461, now seen corresponding path program 1 times [2020-12-23 08:49:10,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:10,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593130945] [2020-12-23 08:49:10,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:11,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593130945] [2020-12-23 08:49:11,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:11,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:49:11,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502162606] [2020-12-23 08:49:11,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:11,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:11,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:11,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:11,013 INFO L87 Difference]: Start difference. First operand 399 states and 688 transitions. Second operand 5 states. [2020-12-23 08:49:11,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:11,198 INFO L93 Difference]: Finished difference Result 1136 states and 1972 transitions. [2020-12-23 08:49:11,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:49:11,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2020-12-23 08:49:11,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:11,204 INFO L225 Difference]: With dead ends: 1136 [2020-12-23 08:49:11,204 INFO L226 Difference]: Without dead ends: 764 [2020-12-23 08:49:11,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:49:11,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2020-12-23 08:49:11,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 399. [2020-12-23 08:49:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-12-23 08:49:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 687 transitions. [2020-12-23 08:49:11,231 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 687 transitions. Word has length 46 [2020-12-23 08:49:11,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:11,233 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 687 transitions. [2020-12-23 08:49:11,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 687 transitions. [2020-12-23 08:49:11,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 08:49:11,235 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:11,236 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] [2020-12-23 08:49:11,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:49:11,236 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:11,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:11,237 INFO L82 PathProgramCache]: Analyzing trace with hash 854576194, now seen corresponding path program 1 times [2020-12-23 08:49:11,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:11,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690753600] [2020-12-23 08:49:11,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:11,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:11,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690753600] [2020-12-23 08:49:11,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:11,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:49:11,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780416307] [2020-12-23 08:49:11,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:11,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:11,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:11,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:11,362 INFO L87 Difference]: Start difference. First operand 399 states and 687 transitions. Second operand 5 states. [2020-12-23 08:49:11,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:11,535 INFO L93 Difference]: Finished difference Result 1141 states and 1977 transitions. [2020-12-23 08:49:11,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:49:11,536 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-12-23 08:49:11,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:11,541 INFO L225 Difference]: With dead ends: 1141 [2020-12-23 08:49:11,541 INFO L226 Difference]: Without dead ends: 769 [2020-12-23 08:49:11,542 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:49:11,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-12-23 08:49:11,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 399. [2020-12-23 08:49:11,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-12-23 08:49:11,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 686 transitions. [2020-12-23 08:49:11,569 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 686 transitions. Word has length 47 [2020-12-23 08:49:11,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:11,569 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 686 transitions. [2020-12-23 08:49:11,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:11,569 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 686 transitions. [2020-12-23 08:49:11,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 08:49:11,570 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:11,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:11,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:49:11,572 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:11,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:11,576 INFO L82 PathProgramCache]: Analyzing trace with hash -781817814, now seen corresponding path program 1 times [2020-12-23 08:49:11,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:11,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335971348] [2020-12-23 08:49:11,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:11,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:11,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335971348] [2020-12-23 08:49:11,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:11,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:11,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398080473] [2020-12-23 08:49:11,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:11,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:11,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:11,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:11,669 INFO L87 Difference]: Start difference. First operand 399 states and 686 transitions. Second operand 3 states. [2020-12-23 08:49:11,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:11,702 INFO L93 Difference]: Finished difference Result 556 states and 941 transitions. [2020-12-23 08:49:11,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:11,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 08:49:11,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:11,706 INFO L225 Difference]: With dead ends: 556 [2020-12-23 08:49:11,706 INFO L226 Difference]: Without dead ends: 402 [2020-12-23 08:49:11,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:11,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-12-23 08:49:11,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 401. [2020-12-23 08:49:11,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-12-23 08:49:11,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 688 transitions. [2020-12-23 08:49:11,755 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 688 transitions. Word has length 48 [2020-12-23 08:49:11,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:11,755 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 688 transitions. [2020-12-23 08:49:11,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:11,756 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 688 transitions. [2020-12-23 08:49:11,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 08:49:11,757 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:11,757 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] [2020-12-23 08:49:11,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:49:11,757 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:11,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:11,758 INFO L82 PathProgramCache]: Analyzing trace with hash 997057788, now seen corresponding path program 1 times [2020-12-23 08:49:11,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:11,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753854103] [2020-12-23 08:49:11,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:11,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753854103] [2020-12-23 08:49:11,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:11,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:11,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678741543] [2020-12-23 08:49:11,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:11,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:11,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:11,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:11,851 INFO L87 Difference]: Start difference. First operand 401 states and 688 transitions. Second operand 3 states. [2020-12-23 08:49:11,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:11,913 INFO L93 Difference]: Finished difference Result 1089 states and 1888 transitions. [2020-12-23 08:49:11,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:11,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-12-23 08:49:11,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:11,921 INFO L225 Difference]: With dead ends: 1089 [2020-12-23 08:49:11,921 INFO L226 Difference]: Without dead ends: 719 [2020-12-23 08:49:11,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:11,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2020-12-23 08:49:11,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 565. [2020-12-23 08:49:11,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-12-23 08:49:11,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 988 transitions. [2020-12-23 08:49:11,967 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 988 transitions. Word has length 56 [2020-12-23 08:49:11,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:11,968 INFO L481 AbstractCegarLoop]: Abstraction has 565 states and 988 transitions. [2020-12-23 08:49:11,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:11,968 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 988 transitions. [2020-12-23 08:49:11,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 08:49:11,969 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:11,969 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] [2020-12-23 08:49:11,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:49:11,972 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:11,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:11,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1112943107, now seen corresponding path program 1 times [2020-12-23 08:49:11,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:11,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392830430] [2020-12-23 08:49:11,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:12,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:12,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392830430] [2020-12-23 08:49:12,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:12,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:49:12,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488814411] [2020-12-23 08:49:12,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:12,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:12,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:12,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:12,107 INFO L87 Difference]: Start difference. First operand 565 states and 988 transitions. Second operand 5 states. [2020-12-23 08:49:12,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:12,336 INFO L93 Difference]: Finished difference Result 1625 states and 2870 transitions. [2020-12-23 08:49:12,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:49:12,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-12-23 08:49:12,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:12,343 INFO L225 Difference]: With dead ends: 1625 [2020-12-23 08:49:12,343 INFO L226 Difference]: Without dead ends: 1091 [2020-12-23 08:49:12,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:49:12,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2020-12-23 08:49:12,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 565. [2020-12-23 08:49:12,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-12-23 08:49:12,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 986 transitions. [2020-12-23 08:49:12,385 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 986 transitions. Word has length 57 [2020-12-23 08:49:12,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:12,385 INFO L481 AbstractCegarLoop]: Abstraction has 565 states and 986 transitions. [2020-12-23 08:49:12,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 986 transitions. [2020-12-23 08:49:12,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 08:49:12,387 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:12,387 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] [2020-12-23 08:49:12,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:49:12,387 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:12,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:12,388 INFO L82 PathProgramCache]: Analyzing trace with hash -65409018, now seen corresponding path program 1 times [2020-12-23 08:49:12,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:12,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980366078] [2020-12-23 08:49:12,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:12,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:12,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980366078] [2020-12-23 08:49:12,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:12,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:12,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104078965] [2020-12-23 08:49:12,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:12,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:12,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:12,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:12,447 INFO L87 Difference]: Start difference. First operand 565 states and 986 transitions. Second operand 3 states. [2020-12-23 08:49:12,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:12,533 INFO L93 Difference]: Finished difference Result 1623 states and 2862 transitions. [2020-12-23 08:49:12,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:12,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-23 08:49:12,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:12,540 INFO L225 Difference]: With dead ends: 1623 [2020-12-23 08:49:12,540 INFO L226 Difference]: Without dead ends: 1089 [2020-12-23 08:49:12,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:12,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2020-12-23 08:49:12,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 935. [2020-12-23 08:49:12,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2020-12-23 08:49:12,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1663 transitions. [2020-12-23 08:49:12,602 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1663 transitions. Word has length 58 [2020-12-23 08:49:12,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:12,602 INFO L481 AbstractCegarLoop]: Abstraction has 935 states and 1663 transitions. [2020-12-23 08:49:12,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:12,602 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1663 transitions. [2020-12-23 08:49:12,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 08:49:12,604 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:12,604 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] [2020-12-23 08:49:12,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:49:12,605 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:12,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:12,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1168674856, now seen corresponding path program 1 times [2020-12-23 08:49:12,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:12,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779763441] [2020-12-23 08:49:12,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:12,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:12,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779763441] [2020-12-23 08:49:12,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507765269] [2020-12-23 08:49:12,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:49:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:13,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:49:13,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:49:13,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 08:49:13,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 08:49:13,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 08:49:13,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592069217] [2020-12-23 08:49:13,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:13,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:13,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:13,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:13,223 INFO L87 Difference]: Start difference. First operand 935 states and 1663 transitions. Second operand 3 states. [2020-12-23 08:49:13,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:13,293 INFO L93 Difference]: Finished difference Result 1044 states and 1839 transitions. [2020-12-23 08:49:13,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:13,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-23 08:49:13,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:13,304 INFO L225 Difference]: With dead ends: 1044 [2020-12-23 08:49:13,305 INFO L226 Difference]: Without dead ends: 929 [2020-12-23 08:49:13,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:13,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2020-12-23 08:49:13,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 929. [2020-12-23 08:49:13,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2020-12-23 08:49:13,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1654 transitions. [2020-12-23 08:49:13,381 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1654 transitions. Word has length 58 [2020-12-23 08:49:13,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:13,382 INFO L481 AbstractCegarLoop]: Abstraction has 929 states and 1654 transitions. [2020-12-23 08:49:13,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:13,382 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1654 transitions. [2020-12-23 08:49:13,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 08:49:13,390 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:13,390 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] [2020-12-23 08:49:13,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:49:13,604 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:13,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:13,605 INFO L82 PathProgramCache]: Analyzing trace with hash 371606761, now seen corresponding path program 1 times [2020-12-23 08:49:13,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:13,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670932376] [2020-12-23 08:49:13,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:13,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:13,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670932376] [2020-12-23 08:49:13,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616492740] [2020-12-23 08:49:13,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:49:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:14,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:49:14,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:49:14,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:14,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:49:14,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:49:14,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744471224] [2020-12-23 08:49:14,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:14,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:14,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:14,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:14,235 INFO L87 Difference]: Start difference. First operand 929 states and 1654 transitions. Second operand 5 states. [2020-12-23 08:49:14,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:14,342 INFO L93 Difference]: Finished difference Result 1448 states and 2541 transitions. [2020-12-23 08:49:14,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:49:14,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-12-23 08:49:14,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:14,349 INFO L225 Difference]: With dead ends: 1448 [2020-12-23 08:49:14,350 INFO L226 Difference]: Without dead ends: 1300 [2020-12-23 08:49:14,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:14,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1300 states. [2020-12-23 08:49:14,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 1149. [2020-12-23 08:49:14,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1149 states. [2020-12-23 08:49:14,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 2051 transitions. [2020-12-23 08:49:14,435 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 2051 transitions. Word has length 92 [2020-12-23 08:49:14,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:14,436 INFO L481 AbstractCegarLoop]: Abstraction has 1149 states and 2051 transitions. [2020-12-23 08:49:14,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:14,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 2051 transitions. [2020-12-23 08:49:14,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 08:49:14,439 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:14,439 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] [2020-12-23 08:49:14,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 08:49:14,652 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:14,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:14,653 INFO L82 PathProgramCache]: Analyzing trace with hash 20666220, now seen corresponding path program 1 times [2020-12-23 08:49:14,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:14,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788141352] [2020-12-23 08:49:14,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:14,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:14,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788141352] [2020-12-23 08:49:14,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:14,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:14,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997340870] [2020-12-23 08:49:14,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:14,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:14,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:14,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:14,741 INFO L87 Difference]: Start difference. First operand 1149 states and 2051 transitions. Second operand 3 states. [2020-12-23 08:49:14,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:14,966 INFO L93 Difference]: Finished difference Result 3077 states and 5520 transitions. [2020-12-23 08:49:14,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:14,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-12-23 08:49:14,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:14,983 INFO L225 Difference]: With dead ends: 3077 [2020-12-23 08:49:14,983 INFO L226 Difference]: Without dead ends: 2029 [2020-12-23 08:49:14,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:14,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2020-12-23 08:49:15,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 1881. [2020-12-23 08:49:15,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2020-12-23 08:49:15,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 3384 transitions. [2020-12-23 08:49:15,172 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 3384 transitions. Word has length 96 [2020-12-23 08:49:15,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:15,172 INFO L481 AbstractCegarLoop]: Abstraction has 1881 states and 3384 transitions. [2020-12-23 08:49:15,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:15,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 3384 transitions. [2020-12-23 08:49:15,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 08:49:15,180 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:15,181 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:15,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:49:15,181 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:15,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:15,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1741244908, now seen corresponding path program 1 times [2020-12-23 08:49:15,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:15,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28625468] [2020-12-23 08:49:15,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:15,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:15,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28625468] [2020-12-23 08:49:15,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:15,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:15,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13192525] [2020-12-23 08:49:15,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:15,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:15,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:15,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:15,261 INFO L87 Difference]: Start difference. First operand 1881 states and 3384 transitions. Second operand 3 states. [2020-12-23 08:49:15,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:15,508 INFO L93 Difference]: Finished difference Result 5009 states and 9038 transitions. [2020-12-23 08:49:15,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:15,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-12-23 08:49:15,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:15,528 INFO L225 Difference]: With dead ends: 5009 [2020-12-23 08:49:15,528 INFO L226 Difference]: Without dead ends: 3263 [2020-12-23 08:49:15,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:15,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3263 states. [2020-12-23 08:49:15,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3263 to 3115. [2020-12-23 08:49:15,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3115 states. [2020-12-23 08:49:15,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 5625 transitions. [2020-12-23 08:49:15,750 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 5625 transitions. Word has length 97 [2020-12-23 08:49:15,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:15,751 INFO L481 AbstractCegarLoop]: Abstraction has 3115 states and 5625 transitions. [2020-12-23 08:49:15,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:15,751 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 5625 transitions. [2020-12-23 08:49:15,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 08:49:15,762 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:15,763 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:15,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:49:15,763 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:15,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:15,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1424605413, now seen corresponding path program 1 times [2020-12-23 08:49:15,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:15,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245550977] [2020-12-23 08:49:15,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:15,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245550977] [2020-12-23 08:49:15,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:15,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:15,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314140707] [2020-12-23 08:49:15,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:15,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:15,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:15,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:15,849 INFO L87 Difference]: Start difference. First operand 3115 states and 5625 transitions. Second operand 3 states. [2020-12-23 08:49:16,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:16,219 INFO L93 Difference]: Finished difference Result 8427 states and 15244 transitions. [2020-12-23 08:49:16,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:16,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-23 08:49:16,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:16,251 INFO L225 Difference]: With dead ends: 8427 [2020-12-23 08:49:16,251 INFO L226 Difference]: Without dead ends: 5481 [2020-12-23 08:49:16,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:16,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5481 states. [2020-12-23 08:49:16,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5481 to 5333. [2020-12-23 08:49:16,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5333 states. [2020-12-23 08:49:16,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5333 states to 5333 states and 9642 transitions. [2020-12-23 08:49:16,680 INFO L78 Accepts]: Start accepts. Automaton has 5333 states and 9642 transitions. Word has length 98 [2020-12-23 08:49:16,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:16,680 INFO L481 AbstractCegarLoop]: Abstraction has 5333 states and 9642 transitions. [2020-12-23 08:49:16,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:16,680 INFO L276 IsEmpty]: Start isEmpty. Operand 5333 states and 9642 transitions. [2020-12-23 08:49:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 08:49:16,692 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:16,692 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:16,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:49:16,692 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:16,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:16,693 INFO L82 PathProgramCache]: Analyzing trace with hash -489736517, now seen corresponding path program 1 times [2020-12-23 08:49:16,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:16,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495761003] [2020-12-23 08:49:16,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:16,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:16,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495761003] [2020-12-23 08:49:16,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:16,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:16,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704017817] [2020-12-23 08:49:16,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:16,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:16,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:16,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:16,773 INFO L87 Difference]: Start difference. First operand 5333 states and 9642 transitions. Second operand 3 states. [2020-12-23 08:49:17,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:17,485 INFO L93 Difference]: Finished difference Result 15407 states and 27906 transitions. [2020-12-23 08:49:17,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:17,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-23 08:49:17,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:17,545 INFO L225 Difference]: With dead ends: 15407 [2020-12-23 08:49:17,545 INFO L226 Difference]: Without dead ends: 10251 [2020-12-23 08:49:17,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:17,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10251 states. [2020-12-23 08:49:18,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10251 to 10103. [2020-12-23 08:49:18,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10103 states. [2020-12-23 08:49:18,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10103 states to 10103 states and 18283 transitions. [2020-12-23 08:49:18,265 INFO L78 Accepts]: Start accepts. Automaton has 10103 states and 18283 transitions. Word has length 99 [2020-12-23 08:49:18,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:18,266 INFO L481 AbstractCegarLoop]: Abstraction has 10103 states and 18283 transitions. [2020-12-23 08:49:18,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:18,266 INFO L276 IsEmpty]: Start isEmpty. Operand 10103 states and 18283 transitions. [2020-12-23 08:49:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 08:49:18,285 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:18,285 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] [2020-12-23 08:49:18,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:49:18,286 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:18,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:18,286 INFO L82 PathProgramCache]: Analyzing trace with hash 375509580, now seen corresponding path program 1 times [2020-12-23 08:49:18,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:18,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673620288] [2020-12-23 08:49:18,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:18,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:18,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673620288] [2020-12-23 08:49:18,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:18,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:18,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901580577] [2020-12-23 08:49:18,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:18,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:18,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:18,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:18,364 INFO L87 Difference]: Start difference. First operand 10103 states and 18283 transitions. Second operand 3 states. [2020-12-23 08:49:19,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:19,432 INFO L93 Difference]: Finished difference Result 29547 states and 53528 transitions. [2020-12-23 08:49:19,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:19,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-12-23 08:49:19,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:19,490 INFO L225 Difference]: With dead ends: 29547 [2020-12-23 08:49:19,490 INFO L226 Difference]: Without dead ends: 19629 [2020-12-23 08:49:19,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:19,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19629 states. [2020-12-23 08:49:20,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19629 to 19481. [2020-12-23 08:49:20,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19481 states. [2020-12-23 08:49:20,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19481 states to 19481 states and 35244 transitions. [2020-12-23 08:49:20,678 INFO L78 Accepts]: Start accepts. Automaton has 19481 states and 35244 transitions. Word has length 100 [2020-12-23 08:49:20,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:20,678 INFO L481 AbstractCegarLoop]: Abstraction has 19481 states and 35244 transitions. [2020-12-23 08:49:20,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:20,678 INFO L276 IsEmpty]: Start isEmpty. Operand 19481 states and 35244 transitions. [2020-12-23 08:49:20,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 08:49:20,715 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:20,716 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] [2020-12-23 08:49:20,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:49:20,716 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:20,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:20,717 INFO L82 PathProgramCache]: Analyzing trace with hash -476461172, now seen corresponding path program 1 times [2020-12-23 08:49:20,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:20,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275496241] [2020-12-23 08:49:20,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:20,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:20,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275496241] [2020-12-23 08:49:20,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:20,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:20,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797565402] [2020-12-23 08:49:20,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:20,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:20,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:20,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:20,800 INFO L87 Difference]: Start difference. First operand 19481 states and 35244 transitions. Second operand 3 states. [2020-12-23 08:49:22,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:22,305 INFO L93 Difference]: Finished difference Result 57867 states and 104725 transitions. [2020-12-23 08:49:22,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:22,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-12-23 08:49:22,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:22,438 INFO L225 Difference]: With dead ends: 57867 [2020-12-23 08:49:22,438 INFO L226 Difference]: Without dead ends: 38575 [2020-12-23 08:49:22,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:22,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38575 states. [2020-12-23 08:49:24,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38575 to 38427. [2020-12-23 08:49:24,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38427 states. [2020-12-23 08:49:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38427 states to 38427 states and 69421 transitions. [2020-12-23 08:49:24,788 INFO L78 Accepts]: Start accepts. Automaton has 38427 states and 69421 transitions. Word has length 101 [2020-12-23 08:49:24,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:24,789 INFO L481 AbstractCegarLoop]: Abstraction has 38427 states and 69421 transitions. [2020-12-23 08:49:24,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:24,789 INFO L276 IsEmpty]: Start isEmpty. Operand 38427 states and 69421 transitions. [2020-12-23 08:49:24,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 08:49:24,867 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:24,868 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] [2020-12-23 08:49:24,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:49:24,868 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:24,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:24,869 INFO L82 PathProgramCache]: Analyzing trace with hash 299552837, now seen corresponding path program 1 times [2020-12-23 08:49:24,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:24,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387955602] [2020-12-23 08:49:24,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:49:24,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387955602] [2020-12-23 08:49:24,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:24,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:49:24,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095032044] [2020-12-23 08:49:24,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:24,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:24,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:24,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:24,968 INFO L87 Difference]: Start difference. First operand 38427 states and 69421 transitions. Second operand 5 states. [2020-12-23 08:49:27,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:27,933 INFO L93 Difference]: Finished difference Result 112976 states and 204062 transitions. [2020-12-23 08:49:27,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:49:27,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2020-12-23 08:49:27,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:28,233 INFO L225 Difference]: With dead ends: 112976 [2020-12-23 08:49:28,234 INFO L226 Difference]: Without dead ends: 74806 [2020-12-23 08:49:28,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:49:28,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74806 states. [2020-12-23 08:49:30,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74806 to 38427. [2020-12-23 08:49:30,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38427 states. [2020-12-23 08:49:30,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38427 states to 38427 states and 69163 transitions. [2020-12-23 08:49:30,551 INFO L78 Accepts]: Start accepts. Automaton has 38427 states and 69163 transitions. Word has length 102 [2020-12-23 08:49:30,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:30,551 INFO L481 AbstractCegarLoop]: Abstraction has 38427 states and 69163 transitions. [2020-12-23 08:49:30,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:30,551 INFO L276 IsEmpty]: Start isEmpty. Operand 38427 states and 69163 transitions. [2020-12-23 08:49:30,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 08:49:30,582 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:30,582 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:30,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:49:30,583 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:30,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:30,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1735727129, now seen corresponding path program 2 times [2020-12-23 08:49:30,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:30,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634871502] [2020-12-23 08:49:30,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:30,655 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:30,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634871502] [2020-12-23 08:49:30,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:30,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:49:30,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591484140] [2020-12-23 08:49:30,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:30,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:30,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:30,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:30,658 INFO L87 Difference]: Start difference. First operand 38427 states and 69163 transitions. Second operand 5 states. [2020-12-23 08:49:32,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:32,530 INFO L93 Difference]: Finished difference Result 76739 states and 138127 transitions. [2020-12-23 08:49:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:49:32,533 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2020-12-23 08:49:32,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:32,605 INFO L225 Difference]: With dead ends: 76739 [2020-12-23 08:49:32,605 INFO L226 Difference]: Without dead ends: 38575 [2020-12-23 08:49:32,647 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:49:32,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38575 states. [2020-12-23 08:49:34,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38575 to 38427. [2020-12-23 08:49:34,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38427 states. [2020-12-23 08:49:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38427 states to 38427 states and 69035 transitions. [2020-12-23 08:49:34,326 INFO L78 Accepts]: Start accepts. Automaton has 38427 states and 69035 transitions. Word has length 102 [2020-12-23 08:49:34,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:34,326 INFO L481 AbstractCegarLoop]: Abstraction has 38427 states and 69035 transitions. [2020-12-23 08:49:34,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:34,326 INFO L276 IsEmpty]: Start isEmpty. Operand 38427 states and 69035 transitions. [2020-12-23 08:49:34,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 08:49:34,347 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:34,347 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] [2020-12-23 08:49:34,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:49:34,348 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:34,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:34,348 INFO L82 PathProgramCache]: Analyzing trace with hash -77549286, now seen corresponding path program 1 times [2020-12-23 08:49:34,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:34,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458547664] [2020-12-23 08:49:34,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:34,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458547664] [2020-12-23 08:49:34,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:34,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:34,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203474674] [2020-12-23 08:49:34,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:34,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:34,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:34,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:34,420 INFO L87 Difference]: Start difference. First operand 38427 states and 69035 transitions. Second operand 3 states. [2020-12-23 08:49:37,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:37,334 INFO L93 Difference]: Finished difference Result 106861 states and 191705 transitions. [2020-12-23 08:49:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:37,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-12-23 08:49:37,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:37,478 INFO L225 Difference]: With dead ends: 106861 [2020-12-23 08:49:37,478 INFO L226 Difference]: Without dead ends: 68657 [2020-12-23 08:49:37,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:37,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68657 states. [2020-12-23 08:49:40,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68657 to 68509. [2020-12-23 08:49:40,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68509 states. [2020-12-23 08:49:40,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68509 states to 68509 states and 122540 transitions. [2020-12-23 08:49:40,878 INFO L78 Accepts]: Start accepts. Automaton has 68509 states and 122540 transitions. Word has length 102 [2020-12-23 08:49:40,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:40,879 INFO L481 AbstractCegarLoop]: Abstraction has 68509 states and 122540 transitions. [2020-12-23 08:49:40,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:40,879 INFO L276 IsEmpty]: Start isEmpty. Operand 68509 states and 122540 transitions. [2020-12-23 08:49:40,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-23 08:49:40,913 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:40,913 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] [2020-12-23 08:49:40,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:49:40,914 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:40,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:40,914 INFO L82 PathProgramCache]: Analyzing trace with hash 333213281, now seen corresponding path program 1 times [2020-12-23 08:49:40,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:40,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768789448] [2020-12-23 08:49:40,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:41,173 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:49:41,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768789448] [2020-12-23 08:49:41,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:41,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:49:41,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889593503] [2020-12-23 08:49:41,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:49:41,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:41,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:49:41,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:49:41,181 INFO L87 Difference]: Start difference. First operand 68509 states and 122540 transitions. Second operand 9 states. [2020-12-23 08:49:47,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:47,295 INFO L93 Difference]: Finished difference Result 137631 states and 246045 transitions. [2020-12-23 08:49:47,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 08:49:47,296 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-12-23 08:49:47,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:47,553 INFO L225 Difference]: With dead ends: 137631 [2020-12-23 08:49:47,553 INFO L226 Difference]: Without dead ends: 137503 [2020-12-23 08:49:47,587 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 [2020-12-23 08:49:47,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137503 states. [2020-12-23 08:49:53,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137503 to 136811. [2020-12-23 08:49:53,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136811 states. [2020-12-23 08:49:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136811 states to 136811 states and 244739 transitions. [2020-12-23 08:49:54,372 INFO L78 Accepts]: Start accepts. Automaton has 136811 states and 244739 transitions. Word has length 103 [2020-12-23 08:49:54,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:54,373 INFO L481 AbstractCegarLoop]: Abstraction has 136811 states and 244739 transitions. [2020-12-23 08:49:54,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:49:54,373 INFO L276 IsEmpty]: Start isEmpty. Operand 136811 states and 244739 transitions. [2020-12-23 08:49:54,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 08:49:54,457 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:54,457 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] [2020-12-23 08:49:54,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:49:54,457 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:54,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:54,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1893649092, now seen corresponding path program 1 times [2020-12-23 08:49:54,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:54,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363453113] [2020-12-23 08:49:54,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:54,551 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:49:54,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363453113] [2020-12-23 08:49:54,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:54,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:49:54,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267158894] [2020-12-23 08:49:54,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:49:54,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:54,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:49:54,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:49:54,556 INFO L87 Difference]: Start difference. First operand 136811 states and 244739 transitions. Second operand 4 states. [2020-12-23 08:49:59,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:59,580 INFO L93 Difference]: Finished difference Result 137038 states and 245101 transitions. [2020-12-23 08:49:59,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:49:59,586 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2020-12-23 08:49:59,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:59,884 INFO L225 Difference]: With dead ends: 137038 [2020-12-23 08:49:59,884 INFO L226 Difference]: Without dead ends: 136895 [2020-12-23 08:49:59,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:50:00,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136895 states. [2020-12-23 08:50:06,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136895 to 136810. [2020-12-23 08:50:06,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136810 states. [2020-12-23 08:50:06,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136810 states to 136810 states and 244735 transitions. [2020-12-23 08:50:06,442 INFO L78 Accepts]: Start accepts. Automaton has 136810 states and 244735 transitions. Word has length 104 [2020-12-23 08:50:06,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:06,444 INFO L481 AbstractCegarLoop]: Abstraction has 136810 states and 244735 transitions. [2020-12-23 08:50:06,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:50:06,444 INFO L276 IsEmpty]: Start isEmpty. Operand 136810 states and 244735 transitions. [2020-12-23 08:50:06,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 08:50:06,509 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:06,509 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] [2020-12-23 08:50:06,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:50:06,511 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:06,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:06,512 INFO L82 PathProgramCache]: Analyzing trace with hash 955840509, now seen corresponding path program 1 times [2020-12-23 08:50:06,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:06,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571952103] [2020-12-23 08:50:06,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:06,695 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:50:06,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571952103] [2020-12-23 08:50:06,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:06,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:50:06,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555992088] [2020-12-23 08:50:06,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:50:06,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:06,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:50:06,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:50:06,698 INFO L87 Difference]: Start difference. First operand 136810 states and 244735 transitions. Second operand 6 states. [2020-12-23 08:50:12,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:12,111 INFO L93 Difference]: Finished difference Result 137058 states and 245132 transitions. [2020-12-23 08:50:12,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:50:12,112 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 105 [2020-12-23 08:50:12,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:12,359 INFO L225 Difference]: With dead ends: 137058 [2020-12-23 08:50:12,359 INFO L226 Difference]: Without dead ends: 136820 [2020-12-23 08:50:12,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:50:12,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136820 states. [2020-12-23 08:50:18,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136820 to 136798. [2020-12-23 08:50:18,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136798 states. [2020-12-23 08:50:18,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136798 states to 136798 states and 244708 transitions. [2020-12-23 08:50:18,760 INFO L78 Accepts]: Start accepts. Automaton has 136798 states and 244708 transitions. Word has length 105 [2020-12-23 08:50:18,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:18,760 INFO L481 AbstractCegarLoop]: Abstraction has 136798 states and 244708 transitions. [2020-12-23 08:50:18,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:50:18,760 INFO L276 IsEmpty]: Start isEmpty. Operand 136798 states and 244708 transitions. [2020-12-23 08:50:18,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 08:50:18,821 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:18,821 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] [2020-12-23 08:50:18,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:50:18,821 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:18,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:18,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1243761005, now seen corresponding path program 1 times [2020-12-23 08:50:18,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:18,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350237453] [2020-12-23 08:50:18,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:18,950 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:50:18,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350237453] [2020-12-23 08:50:18,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:18,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:50:18,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134466184] [2020-12-23 08:50:18,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:50:18,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:18,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:50:18,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:50:18,952 INFO L87 Difference]: Start difference. First operand 136798 states and 244708 transitions. Second operand 9 states. [2020-12-23 08:50:24,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:24,706 INFO L93 Difference]: Finished difference Result 137908 states and 246448 transitions. [2020-12-23 08:50:24,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:50:24,706 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 105 [2020-12-23 08:50:24,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:25,116 INFO L225 Difference]: With dead ends: 137908 [2020-12-23 08:50:25,116 INFO L226 Difference]: Without dead ends: 137734 [2020-12-23 08:50:25,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2020-12-23 08:50:25,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137734 states. [2020-12-23 08:50:31,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137734 to 136802. [2020-12-23 08:50:31,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136802 states. [2020-12-23 08:50:31,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136802 states to 136802 states and 244712 transitions. [2020-12-23 08:50:31,550 INFO L78 Accepts]: Start accepts. Automaton has 136802 states and 244712 transitions. Word has length 105 [2020-12-23 08:50:31,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:31,550 INFO L481 AbstractCegarLoop]: Abstraction has 136802 states and 244712 transitions. [2020-12-23 08:50:31,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:50:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 136802 states and 244712 transitions. [2020-12-23 08:50:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 08:50:31,612 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:31,612 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] [2020-12-23 08:50:31,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:50:31,613 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:31,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:31,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1295071455, now seen corresponding path program 1 times [2020-12-23 08:50:31,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:31,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91330141] [2020-12-23 08:50:31,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:31,786 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:50:31,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91330141] [2020-12-23 08:50:31,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:31,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:50:31,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57041200] [2020-12-23 08:50:31,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:50:31,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:31,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:50:31,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:50:31,789 INFO L87 Difference]: Start difference. First operand 136802 states and 244712 transitions. Second operand 11 states. [2020-12-23 08:50:38,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:38,384 INFO L93 Difference]: Finished difference Result 138148 states and 246800 transitions. [2020-12-23 08:50:38,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-23 08:50:38,390 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 106 [2020-12-23 08:50:38,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:38,655 INFO L225 Difference]: With dead ends: 138148 [2020-12-23 08:50:38,655 INFO L226 Difference]: Without dead ends: 138020 [2020-12-23 08:50:38,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=288, Invalid=768, Unknown=0, NotChecked=0, Total=1056 [2020-12-23 08:50:38,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138020 states. [2020-12-23 08:50:45,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138020 to 136848. [2020-12-23 08:50:45,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136848 states. [2020-12-23 08:50:45,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136848 states to 136848 states and 244788 transitions. [2020-12-23 08:50:45,558 INFO L78 Accepts]: Start accepts. Automaton has 136848 states and 244788 transitions. Word has length 106 [2020-12-23 08:50:45,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:45,559 INFO L481 AbstractCegarLoop]: Abstraction has 136848 states and 244788 transitions. [2020-12-23 08:50:45,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:50:45,559 INFO L276 IsEmpty]: Start isEmpty. Operand 136848 states and 244788 transitions. [2020-12-23 08:50:45,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 08:50:45,628 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:45,628 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] [2020-12-23 08:50:45,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:50:45,628 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:45,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:45,629 INFO L82 PathProgramCache]: Analyzing trace with hash -716768953, now seen corresponding path program 1 times [2020-12-23 08:50:45,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:45,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980896607] [2020-12-23 08:50:45,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat