/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_spec6_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:03:04,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:03:04,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:03:04,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:03:04,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:03:04,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:03:04,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:03:04,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:03:04,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:03:04,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:03:04,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:03:04,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:03:04,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:03:04,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:03:04,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:03:04,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:03:04,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:03:04,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:03:04,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:03:04,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:03:04,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:03:04,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:03:04,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:03:04,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:03:04,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:03:04,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:03:04,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:03:04,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:03:04,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:03:04,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:03:04,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:03:04,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:03:04,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:03:04,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:03:04,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:03:04,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:03:04,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:03:04,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:03:04,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:03:04,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:03:04,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:03:04,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:03:04,337 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:03:04,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:03:04,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:03:04,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:03:04,342 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:03:04,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:03:04,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:03:04,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:03:04,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:03:04,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:03:04,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:03:04,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:03:04,343 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:03:04,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:03:04,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:03:04,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:03:04,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:03:04,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:03:04,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:03:04,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:03:04,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:03:04,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:03:04,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:03:04,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:03:04,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:03:04,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:03:04,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:03:04,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:03:04,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:03:04,851 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:03:04,852 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:03:04,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product26.cil.c [2020-12-23 09:03:04,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d71155b93/df3da9952fab4b15a2171e08389a6fd2/FLAG02478a35f [2020-12-23 09:03:05,808 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:03:05,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product26.cil.c [2020-12-23 09:03:05,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d71155b93/df3da9952fab4b15a2171e08389a6fd2/FLAG02478a35f [2020-12-23 09:03:05,982 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d71155b93/df3da9952fab4b15a2171e08389a6fd2 [2020-12-23 09:03:05,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:03:05,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:03:06,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:03:06,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:03:06,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:03:06,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:03:05" (1/1) ... [2020-12-23 09:03:06,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1813446d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:06, skipping insertion in model container [2020-12-23 09:03:06,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:03:05" (1/1) ... [2020-12-23 09:03:06,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:03:06,124 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___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] 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[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] 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[~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[~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[~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[~retValue_acc~9,] 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[~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[~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[~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[~retValue_acc~10,] 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~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[~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[~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[~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[~retValue_acc~11,] 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~12,] 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[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~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[~retValue_acc~14,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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[~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[~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[~retValue_acc~18,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~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_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~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_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~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_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~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_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~sent_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] [2020-12-23 09:03:06,893 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_spec6_product26.cil.c[51074,51087] 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___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] 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___0~6,] 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[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] 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~21,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] [2020-12-23 09:03:06,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:03:06,966 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___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] 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[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] 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[~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[~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[~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[~retValue_acc~9,] 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[~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[~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[~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[~retValue_acc~10,] 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~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[~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[~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[~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[~retValue_acc~11,] 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~12,] 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[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~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[~retValue_acc~14,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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[~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[~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[~retValue_acc~18,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~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_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~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_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~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_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~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_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~sent_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] [2020-12-23 09:03:07,227 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_spec6_product26.cil.c[51074,51087] 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___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] 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___0~6,] 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[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] 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~21,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] [2020-12-23 09:03:07,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:03:07,385 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:03:07,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:07 WrapperNode [2020-12-23 09:03:07,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:03:07,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:03:07,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:03:07,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:03:07,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:07" (1/1) ... [2020-12-23 09:03:07,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:07" (1/1) ... [2020-12-23 09:03:07,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:03:07,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:03:07,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:03:07,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:03:07,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:07" (1/1) ... [2020-12-23 09:03:07,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:07" (1/1) ... [2020-12-23 09:03:07,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:07" (1/1) ... [2020-12-23 09:03:07,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:07" (1/1) ... [2020-12-23 09:03:07,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:07" (1/1) ... [2020-12-23 09:03:07,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:07" (1/1) ... [2020-12-23 09:03:07,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:07" (1/1) ... [2020-12-23 09:03:07,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:03:07,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:03:07,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:03:07,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:03:07,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:03:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 09:03:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:03:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:03:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:03:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:03:11,860 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:03:11,860 INFO L299 CfgBuilder]: Removed 749 assume(true) statements. [2020-12-23 09:03:11,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:03:11 BoogieIcfgContainer [2020-12-23 09:03:11,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:03:11,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:03:11,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:03:11,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:03:11,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:03:05" (1/3) ... [2020-12-23 09:03:11,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5149872a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:03:11, skipping insertion in model container [2020-12-23 09:03:11,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:07" (2/3) ... [2020-12-23 09:03:11,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5149872a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:03:11, skipping insertion in model container [2020-12-23 09:03:11,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:03:11" (3/3) ... [2020-12-23 09:03:11,873 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec6_product26.cil.c [2020-12-23 09:03:11,880 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:03:11,886 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 09:03:11,907 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 09:03:11,943 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:03:11,943 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:03:11,943 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:03:11,944 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:03:11,944 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:03:11,944 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:03:11,944 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:03:11,944 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:03:11,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states. [2020-12-23 09:03:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 09:03:12,007 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:12,013 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:03:12,014 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:12,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:12,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1497011974, now seen corresponding path program 1 times [2020-12-23 09:03:12,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:12,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41263060] [2020-12-23 09:03:12,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:12,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41263060] [2020-12-23 09:03:12,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:12,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:12,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581780475] [2020-12-23 09:03:12,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:12,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:12,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:12,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:12,551 INFO L87 Difference]: Start difference. First operand 1080 states. Second operand 3 states. [2020-12-23 09:03:12,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:12,806 INFO L93 Difference]: Finished difference Result 3205 states and 5507 transitions. [2020-12-23 09:03:12,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:12,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-12-23 09:03:12,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:12,849 INFO L225 Difference]: With dead ends: 3205 [2020-12-23 09:03:12,849 INFO L226 Difference]: Without dead ends: 1864 [2020-12-23 09:03:12,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:12,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2020-12-23 09:03:13,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 941. [2020-12-23 09:03:13,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 941 states. [2020-12-23 09:03:13,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1614 transitions. [2020-12-23 09:03:13,029 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1614 transitions. Word has length 53 [2020-12-23 09:03:13,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:13,030 INFO L481 AbstractCegarLoop]: Abstraction has 941 states and 1614 transitions. [2020-12-23 09:03:13,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:13,030 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1614 transitions. [2020-12-23 09:03:13,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 09:03:13,035 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:13,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:03:13,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:03:13,036 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:13,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:13,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1297807241, now seen corresponding path program 1 times [2020-12-23 09:03:13,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:13,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119027412] [2020-12-23 09:03:13,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:13,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:13,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119027412] [2020-12-23 09:03:13,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:13,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:03:13,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90620576] [2020-12-23 09:03:13,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:03:13,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:13,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:03:13,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:03:13,262 INFO L87 Difference]: Start difference. First operand 941 states and 1614 transitions. Second operand 5 states. [2020-12-23 09:03:13,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:13,521 INFO L93 Difference]: Finished difference Result 2772 states and 4758 transitions. [2020-12-23 09:03:13,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:03:13,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-12-23 09:03:13,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:13,537 INFO L225 Difference]: With dead ends: 2772 [2020-12-23 09:03:13,537 INFO L226 Difference]: Without dead ends: 1850 [2020-12-23 09:03:13,542 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:03:13,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2020-12-23 09:03:13,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 941. [2020-12-23 09:03:13,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 941 states. [2020-12-23 09:03:13,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1613 transitions. [2020-12-23 09:03:13,648 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1613 transitions. Word has length 55 [2020-12-23 09:03:13,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:13,649 INFO L481 AbstractCegarLoop]: Abstraction has 941 states and 1613 transitions. [2020-12-23 09:03:13,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:03:13,649 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1613 transitions. [2020-12-23 09:03:13,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 09:03:13,655 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:13,656 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] [2020-12-23 09:03:13,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:03:13,657 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:13,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:13,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1664308836, now seen corresponding path program 1 times [2020-12-23 09:03:13,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:13,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970161236] [2020-12-23 09:03:13,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:13,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:13,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970161236] [2020-12-23 09:03:13,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:13,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:13,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740288251] [2020-12-23 09:03:13,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:13,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:13,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:13,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:13,837 INFO L87 Difference]: Start difference. First operand 941 states and 1613 transitions. Second operand 3 states. [2020-12-23 09:03:13,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:13,903 INFO L93 Difference]: Finished difference Result 1864 states and 3200 transitions. [2020-12-23 09:03:13,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:13,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-12-23 09:03:13,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:13,910 INFO L225 Difference]: With dead ends: 1864 [2020-12-23 09:03:13,910 INFO L226 Difference]: Without dead ends: 946 [2020-12-23 09:03:13,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:13,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2020-12-23 09:03:13,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 941. [2020-12-23 09:03:13,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 941 states. [2020-12-23 09:03:13,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1612 transitions. [2020-12-23 09:03:13,953 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1612 transitions. Word has length 56 [2020-12-23 09:03:13,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:13,954 INFO L481 AbstractCegarLoop]: Abstraction has 941 states and 1612 transitions. [2020-12-23 09:03:13,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:13,954 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1612 transitions. [2020-12-23 09:03:13,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 09:03:13,956 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:13,956 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] [2020-12-23 09:03:13,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:03:13,956 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:13,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:13,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1940064790, now seen corresponding path program 1 times [2020-12-23 09:03:13,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:13,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123292170] [2020-12-23 09:03:13,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:14,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123292170] [2020-12-23 09:03:14,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:14,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:14,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453510544] [2020-12-23 09:03:14,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:14,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:14,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:14,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:14,036 INFO L87 Difference]: Start difference. First operand 941 states and 1612 transitions. Second operand 3 states. [2020-12-23 09:03:14,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:14,105 INFO L93 Difference]: Finished difference Result 1874 states and 3213 transitions. [2020-12-23 09:03:14,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:14,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-12-23 09:03:14,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:14,111 INFO L225 Difference]: With dead ends: 1874 [2020-12-23 09:03:14,112 INFO L226 Difference]: Without dead ends: 941 [2020-12-23 09:03:14,114 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:14,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-12-23 09:03:14,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 941. [2020-12-23 09:03:14,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 941 states. [2020-12-23 09:03:14,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1610 transitions. [2020-12-23 09:03:14,160 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1610 transitions. Word has length 57 [2020-12-23 09:03:14,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:14,160 INFO L481 AbstractCegarLoop]: Abstraction has 941 states and 1610 transitions. [2020-12-23 09:03:14,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:14,160 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1610 transitions. [2020-12-23 09:03:14,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 09:03:14,162 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:14,162 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] [2020-12-23 09:03:14,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:03:14,163 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:14,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:14,164 INFO L82 PathProgramCache]: Analyzing trace with hash 918130657, now seen corresponding path program 1 times [2020-12-23 09:03:14,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:14,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980931153] [2020-12-23 09:03:14,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:14,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980931153] [2020-12-23 09:03:14,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:14,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:03:14,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430463543] [2020-12-23 09:03:14,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:03:14,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:14,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:03:14,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:03:14,284 INFO L87 Difference]: Start difference. First operand 941 states and 1610 transitions. Second operand 5 states. [2020-12-23 09:03:14,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:14,596 INFO L93 Difference]: Finished difference Result 2762 states and 4738 transitions. [2020-12-23 09:03:14,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:03:14,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-12-23 09:03:14,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:14,609 INFO L225 Difference]: With dead ends: 2762 [2020-12-23 09:03:14,609 INFO L226 Difference]: Without dead ends: 1848 [2020-12-23 09:03:14,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:03:14,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1848 states. [2020-12-23 09:03:14,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1848 to 941. [2020-12-23 09:03:14,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 941 states. [2020-12-23 09:03:14,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1609 transitions. [2020-12-23 09:03:14,675 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1609 transitions. Word has length 58 [2020-12-23 09:03:14,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:14,675 INFO L481 AbstractCegarLoop]: Abstraction has 941 states and 1609 transitions. [2020-12-23 09:03:14,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:03:14,675 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1609 transitions. [2020-12-23 09:03:14,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 09:03:14,677 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:14,677 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] [2020-12-23 09:03:14,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:03:14,678 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:14,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:14,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1274747938, now seen corresponding path program 1 times [2020-12-23 09:03:14,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:14,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425507403] [2020-12-23 09:03:14,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:14,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425507403] [2020-12-23 09:03:14,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:14,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:03:14,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119363430] [2020-12-23 09:03:14,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:03:14,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:14,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:03:14,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:03:14,801 INFO L87 Difference]: Start difference. First operand 941 states and 1609 transitions. Second operand 5 states. [2020-12-23 09:03:15,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:15,078 INFO L93 Difference]: Finished difference Result 2767 states and 4743 transitions. [2020-12-23 09:03:15,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:03:15,079 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-12-23 09:03:15,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:15,090 INFO L225 Difference]: With dead ends: 2767 [2020-12-23 09:03:15,090 INFO L226 Difference]: Without dead ends: 1853 [2020-12-23 09:03:15,093 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:03:15,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1853 states. [2020-12-23 09:03:15,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1853 to 941. [2020-12-23 09:03:15,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 941 states. [2020-12-23 09:03:15,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1608 transitions. [2020-12-23 09:03:15,160 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1608 transitions. Word has length 59 [2020-12-23 09:03:15,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:15,160 INFO L481 AbstractCegarLoop]: Abstraction has 941 states and 1608 transitions. [2020-12-23 09:03:15,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:03:15,160 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1608 transitions. [2020-12-23 09:03:15,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 09:03:15,163 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:15,163 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] [2020-12-23 09:03:15,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:03:15,163 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:15,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:15,167 INFO L82 PathProgramCache]: Analyzing trace with hash -852958266, now seen corresponding path program 1 times [2020-12-23 09:03:15,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:15,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807345485] [2020-12-23 09:03:15,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:15,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:15,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807345485] [2020-12-23 09:03:15,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:15,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:15,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057237236] [2020-12-23 09:03:15,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:15,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:15,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:15,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:15,289 INFO L87 Difference]: Start difference. First operand 941 states and 1608 transitions. Second operand 3 states. [2020-12-23 09:03:15,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:15,355 INFO L93 Difference]: Finished difference Result 1597 states and 2703 transitions. [2020-12-23 09:03:15,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:15,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-12-23 09:03:15,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:15,363 INFO L225 Difference]: With dead ends: 1597 [2020-12-23 09:03:15,363 INFO L226 Difference]: Without dead ends: 944 [2020-12-23 09:03:15,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:15,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2020-12-23 09:03:15,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 943. [2020-12-23 09:03:15,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 943 states. [2020-12-23 09:03:15,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1610 transitions. [2020-12-23 09:03:15,476 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1610 transitions. Word has length 60 [2020-12-23 09:03:15,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:15,479 INFO L481 AbstractCegarLoop]: Abstraction has 943 states and 1610 transitions. [2020-12-23 09:03:15,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:15,479 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1610 transitions. [2020-12-23 09:03:15,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 09:03:15,481 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:15,482 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] [2020-12-23 09:03:15,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:03:15,482 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:15,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:15,483 INFO L82 PathProgramCache]: Analyzing trace with hash -2091797096, now seen corresponding path program 1 times [2020-12-23 09:03:15,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:15,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127390637] [2020-12-23 09:03:15,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:15,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:15,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127390637] [2020-12-23 09:03:15,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:15,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:15,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222328097] [2020-12-23 09:03:15,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:15,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:15,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:15,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:15,581 INFO L87 Difference]: Start difference. First operand 943 states and 1610 transitions. Second operand 3 states. [2020-12-23 09:03:15,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:15,728 INFO L93 Difference]: Finished difference Result 2715 states and 4654 transitions. [2020-12-23 09:03:15,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:15,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-12-23 09:03:15,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:15,740 INFO L225 Difference]: With dead ends: 2715 [2020-12-23 09:03:15,740 INFO L226 Difference]: Without dead ends: 1803 [2020-12-23 09:03:15,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:15,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2020-12-23 09:03:15,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1150. [2020-12-23 09:03:15,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1150 states. [2020-12-23 09:03:15,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1992 transitions. [2020-12-23 09:03:15,837 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1992 transitions. Word has length 68 [2020-12-23 09:03:15,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:15,839 INFO L481 AbstractCegarLoop]: Abstraction has 1150 states and 1992 transitions. [2020-12-23 09:03:15,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1992 transitions. [2020-12-23 09:03:15,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 09:03:15,842 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:15,842 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] [2020-12-23 09:03:15,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:03:15,842 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:15,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:15,843 INFO L82 PathProgramCache]: Analyzing trace with hash -860934887, now seen corresponding path program 1 times [2020-12-23 09:03:15,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:15,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224901118] [2020-12-23 09:03:15,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:15,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224901118] [2020-12-23 09:03:15,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:15,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:03:15,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386904422] [2020-12-23 09:03:15,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:03:15,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:15,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:03:15,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:03:15,990 INFO L87 Difference]: Start difference. First operand 1150 states and 1992 transitions. Second operand 5 states. [2020-12-23 09:03:16,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:16,391 INFO L93 Difference]: Finished difference Result 3380 states and 5882 transitions. [2020-12-23 09:03:16,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:03:16,391 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-12-23 09:03:16,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:16,406 INFO L225 Difference]: With dead ends: 3380 [2020-12-23 09:03:16,406 INFO L226 Difference]: Without dead ends: 2261 [2020-12-23 09:03:16,409 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 09:03:16,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2261 states. [2020-12-23 09:03:16,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2261 to 1150. [2020-12-23 09:03:16,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1150 states. [2020-12-23 09:03:16,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1990 transitions. [2020-12-23 09:03:16,513 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1990 transitions. Word has length 69 [2020-12-23 09:03:16,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:16,514 INFO L481 AbstractCegarLoop]: Abstraction has 1150 states and 1990 transitions. [2020-12-23 09:03:16,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:03:16,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1990 transitions. [2020-12-23 09:03:16,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 09:03:16,522 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:16,523 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] [2020-12-23 09:03:16,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:03:16,523 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:16,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:16,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1805418078, now seen corresponding path program 1 times [2020-12-23 09:03:16,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:16,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047004251] [2020-12-23 09:03:16,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:16,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047004251] [2020-12-23 09:03:16,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:16,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:16,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140186823] [2020-12-23 09:03:16,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:16,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:16,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:16,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:16,599 INFO L87 Difference]: Start difference. First operand 1150 states and 1990 transitions. Second operand 3 states. [2020-12-23 09:03:16,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:16,775 INFO L93 Difference]: Finished difference Result 3378 states and 5874 transitions. [2020-12-23 09:03:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:16,776 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-23 09:03:16,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:16,788 INFO L225 Difference]: With dead ends: 3378 [2020-12-23 09:03:16,789 INFO L226 Difference]: Without dead ends: 2259 [2020-12-23 09:03:16,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:16,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2259 states. [2020-12-23 09:03:16,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2259 to 1606. [2020-12-23 09:03:16,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-12-23 09:03:16,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2831 transitions. [2020-12-23 09:03:16,915 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2831 transitions. Word has length 70 [2020-12-23 09:03:16,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:16,915 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 2831 transitions. [2020-12-23 09:03:16,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:16,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2831 transitions. [2020-12-23 09:03:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 09:03:16,919 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:16,919 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] [2020-12-23 09:03:16,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:03:16,919 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:16,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:16,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1972830524, now seen corresponding path program 1 times [2020-12-23 09:03:16,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:16,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080974044] [2020-12-23 09:03:16,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:17,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080974044] [2020-12-23 09:03:17,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267572257] [2020-12-23 09:03:17,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:03:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:17,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:03:17,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:03:17,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:17,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:03:17,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 09:03:17,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225084868] [2020-12-23 09:03:17,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:03:17,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:17,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:03:17,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:03:17,607 INFO L87 Difference]: Start difference. First operand 1606 states and 2831 transitions. Second operand 5 states. [2020-12-23 09:03:17,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:17,835 INFO L93 Difference]: Finished difference Result 3178 states and 5498 transitions. [2020-12-23 09:03:17,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:03:17,835 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2020-12-23 09:03:17,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:17,849 INFO L225 Difference]: With dead ends: 3178 [2020-12-23 09:03:17,850 INFO L226 Difference]: Without dead ends: 2525 [2020-12-23 09:03:17,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:03:17,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2020-12-23 09:03:18,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 1869. [2020-12-23 09:03:18,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1869 states. [2020-12-23 09:03:18,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1869 states and 3310 transitions. [2020-12-23 09:03:18,016 INFO L78 Accepts]: Start accepts. Automaton has 1869 states and 3310 transitions. Word has length 70 [2020-12-23 09:03:18,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:18,017 INFO L481 AbstractCegarLoop]: Abstraction has 1869 states and 3310 transitions. [2020-12-23 09:03:18,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:03:18,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 3310 transitions. [2020-12-23 09:03:18,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 09:03:18,021 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:18,021 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] [2020-12-23 09:03:18,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 09:03:18,237 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:18,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:18,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1442132935, now seen corresponding path program 1 times [2020-12-23 09:03:18,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:18,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249615939] [2020-12-23 09:03:18,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:18,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:18,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249615939] [2020-12-23 09:03:18,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:18,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:18,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698741219] [2020-12-23 09:03:18,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:18,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:18,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:18,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:18,318 INFO L87 Difference]: Start difference. First operand 1869 states and 3310 transitions. Second operand 3 states. [2020-12-23 09:03:18,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:18,542 INFO L93 Difference]: Finished difference Result 5194 states and 9215 transitions. [2020-12-23 09:03:18,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:18,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 09:03:18,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:18,584 INFO L225 Difference]: With dead ends: 5194 [2020-12-23 09:03:18,584 INFO L226 Difference]: Without dead ends: 3426 [2020-12-23 09:03:18,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:18,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3426 states. [2020-12-23 09:03:18,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3426 to 2773. [2020-12-23 09:03:18,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2773 states. [2020-12-23 09:03:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 4971 transitions. [2020-12-23 09:03:18,771 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 4971 transitions. Word has length 74 [2020-12-23 09:03:18,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:18,772 INFO L481 AbstractCegarLoop]: Abstraction has 2773 states and 4971 transitions. [2020-12-23 09:03:18,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:18,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 4971 transitions. [2020-12-23 09:03:18,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 09:03:18,779 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:18,779 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] [2020-12-23 09:03:18,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:03:18,779 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:18,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:18,780 INFO L82 PathProgramCache]: Analyzing trace with hash 394266183, now seen corresponding path program 1 times [2020-12-23 09:03:18,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:18,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904342928] [2020-12-23 09:03:18,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:18,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:18,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904342928] [2020-12-23 09:03:18,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:18,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:18,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437410836] [2020-12-23 09:03:18,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:18,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:18,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:18,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:18,882 INFO L87 Difference]: Start difference. First operand 2773 states and 4971 transitions. Second operand 3 states. [2020-12-23 09:03:19,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:19,264 INFO L93 Difference]: Finished difference Result 7642 states and 13717 transitions. [2020-12-23 09:03:19,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:19,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-23 09:03:19,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:19,285 INFO L225 Difference]: With dead ends: 7642 [2020-12-23 09:03:19,285 INFO L226 Difference]: Without dead ends: 5004 [2020-12-23 09:03:19,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:19,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5004 states. [2020-12-23 09:03:19,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5004 to 4351. [2020-12-23 09:03:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4351 states. [2020-12-23 09:03:19,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4351 states to 4351 states and 7868 transitions. [2020-12-23 09:03:19,605 INFO L78 Accepts]: Start accepts. Automaton has 4351 states and 7868 transitions. Word has length 75 [2020-12-23 09:03:19,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:19,605 INFO L481 AbstractCegarLoop]: Abstraction has 4351 states and 7868 transitions. [2020-12-23 09:03:19,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:19,605 INFO L276 IsEmpty]: Start isEmpty. Operand 4351 states and 7868 transitions. [2020-12-23 09:03:19,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 09:03:19,614 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:19,615 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] [2020-12-23 09:03:19,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:03:19,615 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:19,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:19,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1155074230, now seen corresponding path program 1 times [2020-12-23 09:03:19,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:19,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118346645] [2020-12-23 09:03:19,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:19,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:19,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118346645] [2020-12-23 09:03:19,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:19,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:19,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501094961] [2020-12-23 09:03:19,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:19,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:19,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:19,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:19,710 INFO L87 Difference]: Start difference. First operand 4351 states and 7868 transitions. Second operand 3 states. [2020-12-23 09:03:20,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:20,281 INFO L93 Difference]: Finished difference Result 12092 states and 21891 transitions. [2020-12-23 09:03:20,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:20,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-12-23 09:03:20,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:20,308 INFO L225 Difference]: With dead ends: 12092 [2020-12-23 09:03:20,309 INFO L226 Difference]: Without dead ends: 7910 [2020-12-23 09:03:20,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:20,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7910 states. [2020-12-23 09:03:20,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7910 to 7257. [2020-12-23 09:03:20,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7257 states. [2020-12-23 09:03:20,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7257 states to 7257 states and 13197 transitions. [2020-12-23 09:03:20,796 INFO L78 Accepts]: Start accepts. Automaton has 7257 states and 13197 transitions. Word has length 76 [2020-12-23 09:03:20,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:20,797 INFO L481 AbstractCegarLoop]: Abstraction has 7257 states and 13197 transitions. [2020-12-23 09:03:20,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:20,797 INFO L276 IsEmpty]: Start isEmpty. Operand 7257 states and 13197 transitions. [2020-12-23 09:03:20,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:03:20,808 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:20,808 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] [2020-12-23 09:03:20,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:03:20,808 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:20,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:20,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1419737174, now seen corresponding path program 1 times [2020-12-23 09:03:20,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:20,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230841754] [2020-12-23 09:03:20,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:20,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:20,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230841754] [2020-12-23 09:03:20,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:20,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:20,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103215343] [2020-12-23 09:03:20,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:20,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:20,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:20,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:20,949 INFO L87 Difference]: Start difference. First operand 7257 states and 13197 transitions. Second operand 3 states. [2020-12-23 09:03:21,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:21,724 INFO L93 Difference]: Finished difference Result 21136 states and 38489 transitions. [2020-12-23 09:03:21,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:21,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-23 09:03:21,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:21,773 INFO L225 Difference]: With dead ends: 21136 [2020-12-23 09:03:21,773 INFO L226 Difference]: Without dead ends: 14056 [2020-12-23 09:03:21,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:21,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14056 states. [2020-12-23 09:03:22,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14056 to 13403. [2020-12-23 09:03:22,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13403 states. [2020-12-23 09:03:22,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13403 states to 13403 states and 24462 transitions. [2020-12-23 09:03:22,604 INFO L78 Accepts]: Start accepts. Automaton has 13403 states and 24462 transitions. Word has length 77 [2020-12-23 09:03:22,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:22,604 INFO L481 AbstractCegarLoop]: Abstraction has 13403 states and 24462 transitions. [2020-12-23 09:03:22,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 13403 states and 24462 transitions. [2020-12-23 09:03:22,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 09:03:22,617 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:22,618 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] [2020-12-23 09:03:22,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:03:22,618 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:22,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:22,619 INFO L82 PathProgramCache]: Analyzing trace with hash 2083198631, now seen corresponding path program 1 times [2020-12-23 09:03:22,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:22,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197099758] [2020-12-23 09:03:22,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:22,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197099758] [2020-12-23 09:03:22,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:22,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:22,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530317256] [2020-12-23 09:03:22,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:22,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:22,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:22,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:22,769 INFO L87 Difference]: Start difference. First operand 13403 states and 24462 transitions. Second operand 3 states. [2020-12-23 09:03:24,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:24,055 INFO L93 Difference]: Finished difference Result 39404 states and 71983 transitions. [2020-12-23 09:03:24,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:24,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-23 09:03:24,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:24,153 INFO L225 Difference]: With dead ends: 39404 [2020-12-23 09:03:24,154 INFO L226 Difference]: Without dead ends: 26186 [2020-12-23 09:03:24,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:24,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26186 states. [2020-12-23 09:03:25,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26186 to 25533. [2020-12-23 09:03:25,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25533 states. [2020-12-23 09:03:25,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25533 states to 25533 states and 46671 transitions. [2020-12-23 09:03:25,699 INFO L78 Accepts]: Start accepts. Automaton has 25533 states and 46671 transitions. Word has length 78 [2020-12-23 09:03:25,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:25,699 INFO L481 AbstractCegarLoop]: Abstraction has 25533 states and 46671 transitions. [2020-12-23 09:03:25,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:25,699 INFO L276 IsEmpty]: Start isEmpty. Operand 25533 states and 46671 transitions. [2020-12-23 09:03:25,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 09:03:25,718 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:25,718 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:03:25,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:03:25,718 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:25,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:25,719 INFO L82 PathProgramCache]: Analyzing trace with hash 566655975, now seen corresponding path program 1 times [2020-12-23 09:03:25,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:25,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288432776] [2020-12-23 09:03:25,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:25,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:25,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288432776] [2020-12-23 09:03:25,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:25,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:25,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554584772] [2020-12-23 09:03:25,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:25,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:25,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:25,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:25,807 INFO L87 Difference]: Start difference. First operand 25533 states and 46671 transitions. Second operand 3 states. [2020-12-23 09:03:27,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:27,880 INFO L93 Difference]: Finished difference Result 70433 states and 128346 transitions. [2020-12-23 09:03:27,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:27,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 09:03:27,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:28,042 INFO L225 Difference]: With dead ends: 70433 [2020-12-23 09:03:28,043 INFO L226 Difference]: Without dead ends: 45132 [2020-12-23 09:03:28,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:28,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45132 states. [2020-12-23 09:03:30,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45132 to 44479. [2020-12-23 09:03:30,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44479 states. [2020-12-23 09:03:30,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44479 states to 44479 states and 80848 transitions. [2020-12-23 09:03:30,809 INFO L78 Accepts]: Start accepts. Automaton has 44479 states and 80848 transitions. Word has length 79 [2020-12-23 09:03:30,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:30,810 INFO L481 AbstractCegarLoop]: Abstraction has 44479 states and 80848 transitions. [2020-12-23 09:03:30,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:30,810 INFO L276 IsEmpty]: Start isEmpty. Operand 44479 states and 80848 transitions. [2020-12-23 09:03:30,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 09:03:30,846 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:30,846 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] [2020-12-23 09:03:30,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:03:30,846 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:30,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:30,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1229687008, now seen corresponding path program 1 times [2020-12-23 09:03:30,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:30,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915846595] [2020-12-23 09:03:30,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 09:03:31,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915846595] [2020-12-23 09:03:31,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:31,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:03:31,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761597389] [2020-12-23 09:03:31,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:03:31,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:31,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:03:31,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:03:31,130 INFO L87 Difference]: Start difference. First operand 44479 states and 80848 transitions. Second operand 5 states. [2020-12-23 09:03:34,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:34,408 INFO L93 Difference]: Finished difference Result 131046 states and 238179 transitions. [2020-12-23 09:03:34,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:03:34,408 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 80 [2020-12-23 09:03:34,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:34,645 INFO L225 Difference]: With dead ends: 131046 [2020-12-23 09:03:34,646 INFO L226 Difference]: Without dead ends: 86867 [2020-12-23 09:03:34,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:03:34,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86867 states. [2020-12-23 09:03:37,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86867 to 44479. [2020-12-23 09:03:37,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44479 states. [2020-12-23 09:03:37,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44479 states to 44479 states and 80590 transitions. [2020-12-23 09:03:37,459 INFO L78 Accepts]: Start accepts. Automaton has 44479 states and 80590 transitions. Word has length 80 [2020-12-23 09:03:37,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:37,459 INFO L481 AbstractCegarLoop]: Abstraction has 44479 states and 80590 transitions. [2020-12-23 09:03:37,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:03:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 44479 states and 80590 transitions. [2020-12-23 09:03:37,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 09:03:37,478 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:37,478 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] [2020-12-23 09:03:37,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:03:37,479 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:37,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:37,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1397099454, now seen corresponding path program 2 times [2020-12-23 09:03:37,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:37,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155667680] [2020-12-23 09:03:37,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:37,545 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 09:03:37,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155667680] [2020-12-23 09:03:37,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:37,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:37,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501885835] [2020-12-23 09:03:37,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:37,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:37,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:37,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:37,547 INFO L87 Difference]: Start difference. First operand 44479 states and 80590 transitions. Second operand 3 states. [2020-12-23 09:03:39,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:39,601 INFO L93 Difference]: Finished difference Result 89305 states and 161748 transitions. [2020-12-23 09:03:39,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:39,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-12-23 09:03:39,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:39,696 INFO L225 Difference]: With dead ends: 89305 [2020-12-23 09:03:39,696 INFO L226 Difference]: Without dead ends: 45132 [2020-12-23 09:03:39,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:39,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45132 states. [2020-12-23 09:03:42,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45132 to 44479. [2020-12-23 09:03:42,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44479 states. [2020-12-23 09:03:42,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44479 states to 44479 states and 80462 transitions. [2020-12-23 09:03:42,087 INFO L78 Accepts]: Start accepts. Automaton has 44479 states and 80462 transitions. Word has length 80 [2020-12-23 09:03:42,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:42,087 INFO L481 AbstractCegarLoop]: Abstraction has 44479 states and 80462 transitions. [2020-12-23 09:03:42,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:42,087 INFO L276 IsEmpty]: Start isEmpty. Operand 44479 states and 80462 transitions. [2020-12-23 09:03:42,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 09:03:42,101 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:42,102 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] [2020-12-23 09:03:42,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:03:42,102 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:42,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:42,103 INFO L82 PathProgramCache]: Analyzing trace with hash 300745717, now seen corresponding path program 1 times [2020-12-23 09:03:42,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:42,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433536771] [2020-12-23 09:03:42,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:42,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:42,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433536771] [2020-12-23 09:03:42,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:42,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:42,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21305454] [2020-12-23 09:03:42,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:42,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:42,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:42,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:42,173 INFO L87 Difference]: Start difference. First operand 44479 states and 80462 transitions. Second operand 3 states. [2020-12-23 09:03:45,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:45,211 INFO L93 Difference]: Finished difference Result 124931 states and 225822 transitions. [2020-12-23 09:03:45,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:45,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-12-23 09:03:45,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:45,401 INFO L225 Difference]: With dead ends: 124931 [2020-12-23 09:03:45,401 INFO L226 Difference]: Without dead ends: 80718 [2020-12-23 09:03:45,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:45,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80718 states. [2020-12-23 09:03:49,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80718 to 80065. [2020-12-23 09:03:49,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80065 states. [2020-12-23 09:03:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80065 states to 80065 states and 144463 transitions. [2020-12-23 09:03:49,218 INFO L78 Accepts]: Start accepts. Automaton has 80065 states and 144463 transitions. Word has length 80 [2020-12-23 09:03:49,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:49,218 INFO L481 AbstractCegarLoop]: Abstraction has 80065 states and 144463 transitions. [2020-12-23 09:03:49,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:49,221 INFO L276 IsEmpty]: Start isEmpty. Operand 80065 states and 144463 transitions. [2020-12-23 09:03:49,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 09:03:49,236 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:49,237 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] [2020-12-23 09:03:49,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:03:49,237 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:49,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:49,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1113559612, now seen corresponding path program 1 times [2020-12-23 09:03:49,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:49,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691016809] [2020-12-23 09:03:49,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:49,474 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:03:49,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691016809] [2020-12-23 09:03:49,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:49,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:03:49,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966657246] [2020-12-23 09:03:49,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:03:49,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:49,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:03:49,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:03:49,476 INFO L87 Difference]: Start difference. First operand 80065 states and 144463 transitions. Second operand 9 states. [2020-12-23 09:03:57,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:57,281 INFO L93 Difference]: Finished difference Result 163382 states and 294270 transitions. [2020-12-23 09:03:57,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 09:03:57,281 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2020-12-23 09:03:57,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:57,626 INFO L225 Difference]: With dead ends: 163382 [2020-12-23 09:03:57,626 INFO L226 Difference]: Without dead ends: 162786 [2020-12-23 09:03:57,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2020-12-23 09:03:57,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162786 states. [2020-12-23 09:04:04,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162786 to 159823. [2020-12-23 09:04:04,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159823 states. [2020-12-23 09:04:05,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159823 states to 159823 states and 288415 transitions. [2020-12-23 09:04:05,128 INFO L78 Accepts]: Start accepts. Automaton has 159823 states and 288415 transitions. Word has length 81 [2020-12-23 09:04:05,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:04:05,129 INFO L481 AbstractCegarLoop]: Abstraction has 159823 states and 288415 transitions. [2020-12-23 09:04:05,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:04:05,129 INFO L276 IsEmpty]: Start isEmpty. Operand 159823 states and 288415 transitions. [2020-12-23 09:04:05,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 09:04:05,153 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:04:05,153 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] [2020-12-23 09:04:05,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:04:05,154 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:04:05,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:04:05,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1756082667, now seen corresponding path program 1 times [2020-12-23 09:04:05,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:04:05,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592736602] [2020-12-23 09:04:05,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:04:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:04:05,268 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:04:05,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592736602] [2020-12-23 09:04:05,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:04:05,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 09:04:05,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196712262] [2020-12-23 09:04:05,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:04:05,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:04:05,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:04:05,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:04:05,271 INFO L87 Difference]: Start difference. First operand 159823 states and 288415 transitions. Second operand 7 states. [2020-12-23 09:04:10,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:04:10,928 INFO L93 Difference]: Finished difference Result 161228 states and 290742 transitions. [2020-12-23 09:04:10,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:04:10,930 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2020-12-23 09:04:10,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:04:11,401 INFO L225 Difference]: With dead ends: 161228 [2020-12-23 09:04:11,401 INFO L226 Difference]: Without dead ends: 160102 [2020-12-23 09:04:11,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-12-23 09:04:11,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160102 states. [2020-12-23 09:04:18,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160102 to 159787. [2020-12-23 09:04:18,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159787 states. [2020-12-23 09:04:18,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159787 states to 159787 states and 288334 transitions. [2020-12-23 09:04:18,779 INFO L78 Accepts]: Start accepts. Automaton has 159787 states and 288334 transitions. Word has length 82 [2020-12-23 09:04:18,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:04:18,780 INFO L481 AbstractCegarLoop]: Abstraction has 159787 states and 288334 transitions. [2020-12-23 09:04:18,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:04:18,780 INFO L276 IsEmpty]: Start isEmpty. Operand 159787 states and 288334 transitions. [2020-12-23 09:04:18,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 09:04:18,803 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:04:18,803 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] [2020-12-23 09:04:18,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:04:18,803 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:04:18,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:04:18,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1738440705, now seen corresponding path program 1 times [2020-12-23 09:04:18,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:04:18,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561446817] [2020-12-23 09:04:18,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:04:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:04:18,899 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:04:18,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561446817] [2020-12-23 09:04:18,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:04:18,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:04:18,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436820964] [2020-12-23 09:04:18,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:04:18,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:04:18,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:04:18,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:04:18,901 INFO L87 Difference]: Start difference. First operand 159787 states and 288334 transitions. Second operand 5 states. [2020-12-23 09:04:25,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:04:25,777 INFO L93 Difference]: Finished difference Result 166599 states and 299602 transitions. [2020-12-23 09:04:25,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:04:25,778 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-23 09:04:25,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:04:26,134 INFO L225 Difference]: With dead ends: 166599 [2020-12-23 09:04:26,134 INFO L226 Difference]: Without dead ends: 165573 [2020-12-23 09:04:26,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:04:26,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165573 states. [2020-12-23 09:04:33,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165573 to 160897. [2020-12-23 09:04:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160897 states. [2020-12-23 09:04:33,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160897 states to 160897 states and 290155 transitions. [2020-12-23 09:04:33,934 INFO L78 Accepts]: Start accepts. Automaton has 160897 states and 290155 transitions. Word has length 82 [2020-12-23 09:04:33,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:04:33,934 INFO L481 AbstractCegarLoop]: Abstraction has 160897 states and 290155 transitions. [2020-12-23 09:04:33,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:04:33,935 INFO L276 IsEmpty]: Start isEmpty. Operand 160897 states and 290155 transitions. [2020-12-23 09:04:33,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 09:04:33,958 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:04:33,958 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] [2020-12-23 09:04:33,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:04:33,958 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:04:33,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:04:33,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1844109726, now seen corresponding path program 1 times [2020-12-23 09:04:33,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:04:33,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243659483] [2020-12-23 09:04:33,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:04:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:04:34,066 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:04:34,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243659483] [2020-12-23 09:04:34,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:04:34,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:04:34,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144539776] [2020-12-23 09:04:34,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:04:34,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:04:34,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:04:34,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:04:34,069 INFO L87 Difference]: Start difference. First operand 160897 states and 290155 transitions. Second operand 8 states. [2020-12-23 09:04:40,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:04:40,292 INFO L93 Difference]: Finished difference Result 164421 states and 295960 transitions. [2020-12-23 09:04:40,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 09:04:40,293 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-12-23 09:04:40,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:04:40,632 INFO L225 Difference]: With dead ends: 164421 [2020-12-23 09:04:40,633 INFO L226 Difference]: Without dead ends: 162321 [2020-12-23 09:04:40,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2020-12-23 09:04:40,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162321 states. [2020-12-23 09:04:47,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162321 to 160747. [2020-12-23 09:04:47,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160747 states. [2020-12-23 09:04:47,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160747 states to 160747 states and 289903 transitions. [2020-12-23 09:04:47,877 INFO L78 Accepts]: Start accepts. Automaton has 160747 states and 289903 transitions. Word has length 83 [2020-12-23 09:04:47,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:04:47,878 INFO L481 AbstractCegarLoop]: Abstraction has 160747 states and 289903 transitions. [2020-12-23 09:04:47,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:04:47,878 INFO L276 IsEmpty]: Start isEmpty. Operand 160747 states and 289903 transitions. [2020-12-23 09:04:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 09:04:47,902 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:04:47,903 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] [2020-12-23 09:04:47,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 09:04:47,903 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:04:47,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:04:47,904 INFO L82 PathProgramCache]: Analyzing trace with hash -2002199536, now seen corresponding path program 1 times [2020-12-23 09:04:47,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:04:47,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340993704] [2020-12-23 09:04:47,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:04:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:04:48,338 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:04:48,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340993704] [2020-12-23 09:04:48,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:04:48,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:04:48,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184593728] [2020-12-23 09:04:48,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:04:48,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:04:48,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:04:48,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:04:48,341 INFO L87 Difference]: Start difference. First operand 160747 states and 289903 transitions. Second operand 4 states. [2020-12-23 09:04:54,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:04:54,215 INFO L93 Difference]: Finished difference Result 166081 states and 298631 transitions. [2020-12-23 09:04:54,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:04:54,216 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2020-12-23 09:04:54,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:04:54,571 INFO L225 Difference]: With dead ends: 166081 [2020-12-23 09:04:54,571 INFO L226 Difference]: Without dead ends: 164039 [2020-12-23 09:04:54,622 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:04:54,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164039 states. [2020-12-23 09:05:03,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164039 to 160779. [2020-12-23 09:05:03,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160779 states. [2020-12-23 09:05:03,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160779 states to 160779 states and 289935 transitions. [2020-12-23 09:05:03,750 INFO L78 Accepts]: Start accepts. Automaton has 160779 states and 289935 transitions. Word has length 85 [2020-12-23 09:05:03,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:05:03,750 INFO L481 AbstractCegarLoop]: Abstraction has 160779 states and 289935 transitions. [2020-12-23 09:05:03,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:05:03,750 INFO L276 IsEmpty]: Start isEmpty. Operand 160779 states and 289935 transitions. [2020-12-23 09:05:03,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 09:05:03,782 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:05:03,782 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:05:03,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 09:05:03,783 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:05:03,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:05:03,783 INFO L82 PathProgramCache]: Analyzing trace with hash -2142748146, now seen corresponding path program 1 times [2020-12-23 09:05:03,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:05:03,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994455706] [2020-12-23 09:05:03,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:05:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:05:03,904 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:05:03,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994455706] [2020-12-23 09:05:03,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:05:03,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:05:03,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843398115] [2020-12-23 09:05:03,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:05:03,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:05:03,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:05:03,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:05:03,907 INFO L87 Difference]: Start difference. First operand 160779 states and 289935 transitions. Second operand 9 states. [2020-12-23 09:05:18,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:05:18,611 INFO L93 Difference]: Finished difference Result 334117 states and 600442 transitions. [2020-12-23 09:05:18,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 09:05:18,611 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2020-12-23 09:05:18,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:05:19,629 INFO L225 Difference]: With dead ends: 334117 [2020-12-23 09:05:19,629 INFO L226 Difference]: Without dead ends: 332043 [2020-12-23 09:05:19,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=212, Invalid=438, Unknown=0, NotChecked=0, Total=650 [2020-12-23 09:05:20,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332043 states. [2020-12-23 09:05:33,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332043 to 322030. [2020-12-23 09:05:33,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322030 states. [2020-12-23 09:05:35,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322030 states to 322030 states and 580629 transitions. [2020-12-23 09:05:35,460 INFO L78 Accepts]: Start accepts. Automaton has 322030 states and 580629 transitions. Word has length 85 [2020-12-23 09:05:35,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:05:35,460 INFO L481 AbstractCegarLoop]: Abstraction has 322030 states and 580629 transitions. [2020-12-23 09:05:35,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:05:35,460 INFO L276 IsEmpty]: Start isEmpty. Operand 322030 states and 580629 transitions. [2020-12-23 09:05:35,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 09:05:35,511 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:05:35,511 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] [2020-12-23 09:05:35,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 09:05:35,512 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:05:35,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:05:35,513 INFO L82 PathProgramCache]: Analyzing trace with hash -981427535, now seen corresponding path program 1 times [2020-12-23 09:05:35,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:05:35,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511608214] [2020-12-23 09:05:35,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:05:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:05:35,640 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:05:35,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511608214] [2020-12-23 09:05:35,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:05:35,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:05:35,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270949367] [2020-12-23 09:05:35,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:05:35,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:05:35,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:05:35,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:05:35,642 INFO L87 Difference]: Start difference. First operand 322030 states and 580629 transitions. Second operand 6 states. [2020-12-23 09:05:47,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:05:47,607 INFO L93 Difference]: Finished difference Result 330809 states and 595026 transitions. [2020-12-23 09:05:47,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:05:47,608 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2020-12-23 09:05:47,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:05:48,362 INFO L225 Difference]: With dead ends: 330809 [2020-12-23 09:05:48,362 INFO L226 Difference]: Without dead ends: 325758 [2020-12-23 09:05:48,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:05:48,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325758 states. [2020-12-23 09:06:02,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325758 to 321843. [2020-12-23 09:06:02,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321843 states. [2020-12-23 09:06:03,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321843 states to 321843 states and 580292 transitions. [2020-12-23 09:06:03,354 INFO L78 Accepts]: Start accepts. Automaton has 321843 states and 580292 transitions. Word has length 85 [2020-12-23 09:06:03,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:06:03,354 INFO L481 AbstractCegarLoop]: Abstraction has 321843 states and 580292 transitions. [2020-12-23 09:06:03,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:06:03,354 INFO L276 IsEmpty]: Start isEmpty. Operand 321843 states and 580292 transitions. [2020-12-23 09:06:03,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 09:06:03,385 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:06:03,385 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] [2020-12-23 09:06:03,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 09:06:03,385 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:06:03,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:06:03,386 INFO L82 PathProgramCache]: Analyzing trace with hash 598599617, now seen corresponding path program 1 times [2020-12-23 09:06:03,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:06:03,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142572266] [2020-12-23 09:06:03,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:06:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:06:04,017 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:06:04,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142572266] [2020-12-23 09:06:04,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:06:04,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:06:04,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122894933] [2020-12-23 09:06:04,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:06:04,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:06:04,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:06:04,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:06:04,019 INFO L87 Difference]: Start difference. First operand 321843 states and 580292 transitions. Second operand 4 states. [2020-12-23 09:06:16,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:06:16,737 INFO L93 Difference]: Finished difference Result 326290 states and 587551 transitions. [2020-12-23 09:06:16,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:06:16,738 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2020-12-23 09:06:16,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:06:17,490 INFO L225 Difference]: With dead ends: 326290 [2020-12-23 09:06:17,490 INFO L226 Difference]: Without dead ends: 323553 [2020-12-23 09:06:17,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:06:17,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323553 states. [2020-12-23 09:06:32,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323553 to 321693. [2020-12-23 09:06:32,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321693 states. [2020-12-23 09:06:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321693 states to 321693 states and 580040 transitions. [2020-12-23 09:06:33,590 INFO L78 Accepts]: Start accepts. Automaton has 321693 states and 580040 transitions. Word has length 85 [2020-12-23 09:06:33,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:06:33,590 INFO L481 AbstractCegarLoop]: Abstraction has 321693 states and 580040 transitions. [2020-12-23 09:06:33,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:06:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 321693 states and 580040 transitions. [2020-12-23 09:06:33,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 09:06:33,657 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:06:33,657 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:06:33,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 09:06:33,657 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:06:33,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:06:33,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1466521834, now seen corresponding path program 1 times [2020-12-23 09:06:33,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:06:33,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622289912] [2020-12-23 09:06:33,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:06:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:06:33,728 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:06:33,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622289912] [2020-12-23 09:06:33,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246459167] [2020-12-23 09:06:33,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:06:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:06:34,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 09:06:34,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:06:34,241 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:06:34,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:06:34,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2020-12-23 09:06:34,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988792387] [2020-12-23 09:06:34,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:06:34,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:06:34,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:06:34,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:06:34,244 INFO L87 Difference]: Start difference. First operand 321693 states and 580040 transitions. Second operand 7 states.