/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_spec11_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:46:05,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:46:05,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:46:05,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:46:05,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:46:05,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:46:05,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:46:05,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:46:05,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:46:05,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:46:05,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:46:05,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:46:05,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:46:05,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:46:05,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:46:05,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:46:05,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:46:05,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:46:05,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:46:05,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:46:05,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:46:05,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:46:05,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:46:05,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:46:05,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:46:05,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:46:05,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:46:05,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:46:05,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:46:05,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:46:05,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:46:05,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:46:05,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:46:05,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:46:05,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:46:05,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:46:05,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:46:05,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:46:05,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:46:05,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:46:05,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:46:05,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:46:05,649 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:46:05,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:46:05,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:46:05,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:46:05,653 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:46:05,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:46:05,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:46:05,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:46:05,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:46:05,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:46:05,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:46:05,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:46:05,655 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:46:05,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:46:05,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:46:05,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:46:05,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:46:05,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:46:05,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:46:05,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:46:05,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:46:05,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:46:05,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:46:05,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:46:05,658 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:46:05,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:46:06,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:46:06,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:46:06,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:46:06,138 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:46:06,139 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:46:06,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product37.cil.c [2020-12-23 08:46:06,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d2c9e6c94/edff8b5d3ed34351b7a0c96d336f3d43/FLAGe0243d847 [2020-12-23 08:46:07,099 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:46:07,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product37.cil.c [2020-12-23 08:46:07,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d2c9e6c94/edff8b5d3ed34351b7a0c96d336f3d43/FLAGe0243d847 [2020-12-23 08:46:07,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d2c9e6c94/edff8b5d3ed34351b7a0c96d336f3d43 [2020-12-23 08:46:07,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:46:07,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:46:07,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:46:07,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:46:07,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:46:07,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:46:07" (1/1) ... [2020-12-23 08:46:07,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37852bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:46:07, skipping insertion in model container [2020-12-23 08:46:07,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:46:07" (1/1) ... [2020-12-23 08:46:07,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:46:07,362 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~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___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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~2,] 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~3,] 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~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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_tmp5~2,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] 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~3,] 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_tmp3~0,] 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~4,] 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~5,] 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[~tmp~6,] [2020-12-23 08:46:07,880 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_spec11_product37.cil.c[43431,43444] 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_tmp3~1,] 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_tmp3~2,] 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[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] 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_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2020-12-23 08:46:08,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:46:08,145 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~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___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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~2,] 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~3,] 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~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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_tmp5~2,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] 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~3,] 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_tmp3~0,] 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~4,] 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~5,] 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[~tmp~6,] [2020-12-23 08:46:08,227 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_spec11_product37.cil.c[43431,43444] 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_tmp3~1,] 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_tmp3~2,] 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[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] 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_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2020-12-23 08:46:08,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:46:08,344 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:46:08,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:46:08 WrapperNode [2020-12-23 08:46:08,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:46:08,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:46:08,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:46:08,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:46:08,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:46:08" (1/1) ... [2020-12-23 08:46:08,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:46:08" (1/1) ... [2020-12-23 08:46:08,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:46:08,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:46:08,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:46:08,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:46:08,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:46:08" (1/1) ... [2020-12-23 08:46:08,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:46:08" (1/1) ... [2020-12-23 08:46:08,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:46:08" (1/1) ... [2020-12-23 08:46:08,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:46:08" (1/1) ... [2020-12-23 08:46:08,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:46:08" (1/1) ... [2020-12-23 08:46:08,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:46:08" (1/1) ... [2020-12-23 08:46:08,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:46:08" (1/1) ... [2020-12-23 08:46:08,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:46:08,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:46:08,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:46:08,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:46:08,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:46:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:46:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:46:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:46:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:46:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:46:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:46:10,398 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:46:10,398 INFO L299 CfgBuilder]: Removed 247 assume(true) statements. [2020-12-23 08:46:10,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:46:10 BoogieIcfgContainer [2020-12-23 08:46:10,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:46:10,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:46:10,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:46:10,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:46:10,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:46:07" (1/3) ... [2020-12-23 08:46:10,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc6b5e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:46:10, skipping insertion in model container [2020-12-23 08:46:10,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:46:08" (2/3) ... [2020-12-23 08:46:10,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc6b5e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:46:10, skipping insertion in model container [2020-12-23 08:46:10,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:46:10" (3/3) ... [2020-12-23 08:46:10,410 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product37.cil.c [2020-12-23 08:46:10,417 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:46:10,423 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:46:10,451 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:46:10,504 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:46:10,504 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:46:10,505 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:46:10,505 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:46:10,505 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:46:10,505 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:46:10,505 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:46:10,505 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:46:10,535 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states. [2020-12-23 08:46:10,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-23 08:46:10,548 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:10,549 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] [2020-12-23 08:46:10,550 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:10,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:10,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1771516082, now seen corresponding path program 1 times [2020-12-23 08:46:10,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:10,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484508771] [2020-12-23 08:46:10,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:10,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:10,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484508771] [2020-12-23 08:46:10,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:10,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:46:10,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543696204] [2020-12-23 08:46:10,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:46:10,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:11,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:46:11,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:11,005 INFO L87 Difference]: Start difference. First operand 357 states. Second operand 3 states. [2020-12-23 08:46:11,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:11,146 INFO L93 Difference]: Finished difference Result 1036 states and 1799 transitions. [2020-12-23 08:46:11,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:46:11,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-12-23 08:46:11,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:11,170 INFO L225 Difference]: With dead ends: 1036 [2020-12-23 08:46:11,170 INFO L226 Difference]: Without dead ends: 632 [2020-12-23 08:46:11,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:11,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-12-23 08:46:11,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 325. [2020-12-23 08:46:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-12-23 08:46:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 561 transitions. [2020-12-23 08:46:11,266 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 561 transitions. Word has length 38 [2020-12-23 08:46:11,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:11,266 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 561 transitions. [2020-12-23 08:46:11,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:46:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 561 transitions. [2020-12-23 08:46:11,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-23 08:46:11,270 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:11,270 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] [2020-12-23 08:46:11,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:46:11,271 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:11,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:11,272 INFO L82 PathProgramCache]: Analyzing trace with hash 109732933, now seen corresponding path program 1 times [2020-12-23 08:46:11,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:11,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141597213] [2020-12-23 08:46:11,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:11,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141597213] [2020-12-23 08:46:11,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:11,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:46:11,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6779504] [2020-12-23 08:46:11,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:46:11,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:11,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:46:11,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:46:11,436 INFO L87 Difference]: Start difference. First operand 325 states and 561 transitions. Second operand 5 states. [2020-12-23 08:46:11,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:11,609 INFO L93 Difference]: Finished difference Result 924 states and 1599 transitions. [2020-12-23 08:46:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:46:11,610 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-12-23 08:46:11,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:11,615 INFO L225 Difference]: With dead ends: 924 [2020-12-23 08:46:11,615 INFO L226 Difference]: Without dead ends: 618 [2020-12-23 08:46:11,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:46:11,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2020-12-23 08:46:11,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 325. [2020-12-23 08:46:11,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-12-23 08:46:11,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 560 transitions. [2020-12-23 08:46:11,644 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 560 transitions. Word has length 40 [2020-12-23 08:46:11,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:11,645 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 560 transitions. [2020-12-23 08:46:11,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:46:11,645 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 560 transitions. [2020-12-23 08:46:11,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 08:46:11,647 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:11,647 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:46:11,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:46:11,648 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:11,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:11,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1493905042, now seen corresponding path program 1 times [2020-12-23 08:46:11,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:11,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262349722] [2020-12-23 08:46:11,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:11,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:11,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262349722] [2020-12-23 08:46:11,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:11,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:46:11,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642414407] [2020-12-23 08:46:11,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:46:11,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:11,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:46:11,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:11,757 INFO L87 Difference]: Start difference. First operand 325 states and 560 transitions. Second operand 3 states. [2020-12-23 08:46:11,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:11,804 INFO L93 Difference]: Finished difference Result 632 states and 1094 transitions. [2020-12-23 08:46:11,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:46:11,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-12-23 08:46:11,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:11,807 INFO L225 Difference]: With dead ends: 632 [2020-12-23 08:46:11,807 INFO L226 Difference]: Without dead ends: 330 [2020-12-23 08:46:11,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:11,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-12-23 08:46:11,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 325. [2020-12-23 08:46:11,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-12-23 08:46:11,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 559 transitions. [2020-12-23 08:46:11,842 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 559 transitions. Word has length 41 [2020-12-23 08:46:11,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:11,849 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 559 transitions. [2020-12-23 08:46:11,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:46:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 559 transitions. [2020-12-23 08:46:11,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-23 08:46:11,855 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:11,855 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] [2020-12-23 08:46:11,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:46:11,856 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:11,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:11,857 INFO L82 PathProgramCache]: Analyzing trace with hash -2066536104, now seen corresponding path program 1 times [2020-12-23 08:46:11,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:11,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877261668] [2020-12-23 08:46:11,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:12,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:12,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877261668] [2020-12-23 08:46:12,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:12,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:46:12,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662095700] [2020-12-23 08:46:12,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:46:12,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:12,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:46:12,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:12,049 INFO L87 Difference]: Start difference. First operand 325 states and 559 transitions. Second operand 3 states. [2020-12-23 08:46:12,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:12,100 INFO L93 Difference]: Finished difference Result 642 states and 1107 transitions. [2020-12-23 08:46:12,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:46:12,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-12-23 08:46:12,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:12,104 INFO L225 Difference]: With dead ends: 642 [2020-12-23 08:46:12,104 INFO L226 Difference]: Without dead ends: 325 [2020-12-23 08:46:12,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:12,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-12-23 08:46:12,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2020-12-23 08:46:12,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-12-23 08:46:12,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 557 transitions. [2020-12-23 08:46:12,122 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 557 transitions. Word has length 42 [2020-12-23 08:46:12,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:12,122 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 557 transitions. [2020-12-23 08:46:12,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:46:12,123 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 557 transitions. [2020-12-23 08:46:12,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-23 08:46:12,125 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:12,125 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:46:12,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:46:12,126 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:12,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:12,126 INFO L82 PathProgramCache]: Analyzing trace with hash -615962899, now seen corresponding path program 1 times [2020-12-23 08:46:12,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:12,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682747111] [2020-12-23 08:46:12,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:12,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:12,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682747111] [2020-12-23 08:46:12,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:12,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:46:12,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519670025] [2020-12-23 08:46:12,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:46:12,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:12,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:46:12,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:46:12,259 INFO L87 Difference]: Start difference. First operand 325 states and 557 transitions. Second operand 5 states. [2020-12-23 08:46:12,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:12,413 INFO L93 Difference]: Finished difference Result 914 states and 1579 transitions. [2020-12-23 08:46:12,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:46:12,415 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2020-12-23 08:46:12,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:12,422 INFO L225 Difference]: With dead ends: 914 [2020-12-23 08:46:12,422 INFO L226 Difference]: Without dead ends: 616 [2020-12-23 08:46:12,423 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:46:12,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2020-12-23 08:46:12,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 325. [2020-12-23 08:46:12,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-12-23 08:46:12,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 556 transitions. [2020-12-23 08:46:12,444 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 556 transitions. Word has length 43 [2020-12-23 08:46:12,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:12,446 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 556 transitions. [2020-12-23 08:46:12,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:46:12,446 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 556 transitions. [2020-12-23 08:46:12,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 08:46:12,447 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:12,447 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:46:12,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:46:12,448 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:12,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:12,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1828845712, now seen corresponding path program 1 times [2020-12-23 08:46:12,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:12,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389425138] [2020-12-23 08:46:12,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:12,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389425138] [2020-12-23 08:46:12,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:12,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:46:12,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533126027] [2020-12-23 08:46:12,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:46:12,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:12,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:46:12,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:46:12,540 INFO L87 Difference]: Start difference. First operand 325 states and 556 transitions. Second operand 5 states. [2020-12-23 08:46:12,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:12,693 INFO L93 Difference]: Finished difference Result 919 states and 1584 transitions. [2020-12-23 08:46:12,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:46:12,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2020-12-23 08:46:12,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:12,699 INFO L225 Difference]: With dead ends: 919 [2020-12-23 08:46:12,699 INFO L226 Difference]: Without dead ends: 621 [2020-12-23 08:46:12,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:46:12,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2020-12-23 08:46:12,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 325. [2020-12-23 08:46:12,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-12-23 08:46:12,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 555 transitions. [2020-12-23 08:46:12,726 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 555 transitions. Word has length 44 [2020-12-23 08:46:12,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:12,726 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 555 transitions. [2020-12-23 08:46:12,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:46:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 555 transitions. [2020-12-23 08:46:12,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 08:46:12,729 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:12,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:46:12,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:46:12,731 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:12,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:12,735 INFO L82 PathProgramCache]: Analyzing trace with hash -26532440, now seen corresponding path program 1 times [2020-12-23 08:46:12,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:12,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972104325] [2020-12-23 08:46:12,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:12,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972104325] [2020-12-23 08:46:12,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:12,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:46:12,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715347340] [2020-12-23 08:46:12,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:46:12,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:12,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:46:12,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:12,890 INFO L87 Difference]: Start difference. First operand 325 states and 555 transitions. Second operand 3 states. [2020-12-23 08:46:12,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:12,925 INFO L93 Difference]: Finished difference Result 408 states and 679 transitions. [2020-12-23 08:46:12,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:46:12,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-23 08:46:12,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:12,929 INFO L225 Difference]: With dead ends: 408 [2020-12-23 08:46:12,929 INFO L226 Difference]: Without dead ends: 328 [2020-12-23 08:46:12,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:12,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-12-23 08:46:12,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 327. [2020-12-23 08:46:12,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-12-23 08:46:12,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 557 transitions. [2020-12-23 08:46:12,964 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 557 transitions. Word has length 45 [2020-12-23 08:46:12,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:12,965 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 557 transitions. [2020-12-23 08:46:12,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:46:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 557 transitions. [2020-12-23 08:46:12,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 08:46:12,967 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:12,967 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] [2020-12-23 08:46:12,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:46:12,968 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:12,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:12,969 INFO L82 PathProgramCache]: Analyzing trace with hash 887564822, now seen corresponding path program 1 times [2020-12-23 08:46:12,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:12,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455571344] [2020-12-23 08:46:12,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:13,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455571344] [2020-12-23 08:46:13,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:13,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:46:13,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687090920] [2020-12-23 08:46:13,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:46:13,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:13,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:46:13,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:13,061 INFO L87 Difference]: Start difference. First operand 327 states and 557 transitions. Second operand 3 states. [2020-12-23 08:46:13,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:13,115 INFO L93 Difference]: Finished difference Result 867 states and 1495 transitions. [2020-12-23 08:46:13,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:46:13,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-12-23 08:46:13,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:13,120 INFO L225 Difference]: With dead ends: 867 [2020-12-23 08:46:13,120 INFO L226 Difference]: Without dead ends: 571 [2020-12-23 08:46:13,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:13,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-12-23 08:46:13,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 491. [2020-12-23 08:46:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-12-23 08:46:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 857 transitions. [2020-12-23 08:46:13,164 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 857 transitions. Word has length 53 [2020-12-23 08:46:13,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:13,167 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 857 transitions. [2020-12-23 08:46:13,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:46:13,168 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 857 transitions. [2020-12-23 08:46:13,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 08:46:13,169 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:13,169 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] [2020-12-23 08:46:13,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:46:13,171 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:13,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:13,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1839448245, now seen corresponding path program 1 times [2020-12-23 08:46:13,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:13,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114823131] [2020-12-23 08:46:13,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:13,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:13,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114823131] [2020-12-23 08:46:13,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:13,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:46:13,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486545120] [2020-12-23 08:46:13,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:46:13,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:13,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:46:13,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:46:13,312 INFO L87 Difference]: Start difference. First operand 491 states and 857 transitions. Second operand 5 states. [2020-12-23 08:46:13,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:13,521 INFO L93 Difference]: Finished difference Result 1403 states and 2477 transitions. [2020-12-23 08:46:13,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:46:13,523 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-23 08:46:13,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:13,535 INFO L225 Difference]: With dead ends: 1403 [2020-12-23 08:46:13,536 INFO L226 Difference]: Without dead ends: 943 [2020-12-23 08:46:13,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:46:13,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2020-12-23 08:46:13,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 491. [2020-12-23 08:46:13,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-12-23 08:46:13,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 855 transitions. [2020-12-23 08:46:13,612 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 855 transitions. Word has length 54 [2020-12-23 08:46:13,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:13,613 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 855 transitions. [2020-12-23 08:46:13,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:46:13,613 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 855 transitions. [2020-12-23 08:46:13,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 08:46:13,614 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:13,614 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] [2020-12-23 08:46:13,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:46:13,614 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:13,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:13,615 INFO L82 PathProgramCache]: Analyzing trace with hash -568587444, now seen corresponding path program 1 times [2020-12-23 08:46:13,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:13,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139471125] [2020-12-23 08:46:13,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:13,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:13,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139471125] [2020-12-23 08:46:13,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:13,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:46:13,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712005165] [2020-12-23 08:46:13,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:46:13,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:13,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:46:13,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:13,675 INFO L87 Difference]: Start difference. First operand 491 states and 855 transitions. Second operand 3 states. [2020-12-23 08:46:13,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:13,782 INFO L93 Difference]: Finished difference Result 1401 states and 2469 transitions. [2020-12-23 08:46:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:46:13,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-23 08:46:13,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:13,794 INFO L225 Difference]: With dead ends: 1401 [2020-12-23 08:46:13,795 INFO L226 Difference]: Without dead ends: 941 [2020-12-23 08:46:13,802 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:13,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-12-23 08:46:13,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 861. [2020-12-23 08:46:13,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-12-23 08:46:13,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1532 transitions. [2020-12-23 08:46:13,886 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1532 transitions. Word has length 55 [2020-12-23 08:46:13,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:13,886 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1532 transitions. [2020-12-23 08:46:13,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:46:13,886 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1532 transitions. [2020-12-23 08:46:13,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 08:46:13,888 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:13,888 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] [2020-12-23 08:46:13,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:46:13,888 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:13,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:13,889 INFO L82 PathProgramCache]: Analyzing trace with hash -880529814, now seen corresponding path program 1 times [2020-12-23 08:46:13,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:13,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699319458] [2020-12-23 08:46:13,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:13,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699319458] [2020-12-23 08:46:13,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129798320] [2020-12-23 08:46:13,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:46:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:14,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:46:14,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:46:14,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:14,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:46:14,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:46:14,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474221819] [2020-12-23 08:46:14,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:46:14,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:14,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:46:14,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:46:14,379 INFO L87 Difference]: Start difference. First operand 861 states and 1532 transitions. Second operand 5 states. [2020-12-23 08:46:14,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:14,534 INFO L93 Difference]: Finished difference Result 1244 states and 2175 transitions. [2020-12-23 08:46:14,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:46:14,534 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-12-23 08:46:14,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:14,541 INFO L225 Difference]: With dead ends: 1244 [2020-12-23 08:46:14,542 INFO L226 Difference]: Without dead ends: 1164 [2020-12-23 08:46:14,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:46:14,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2020-12-23 08:46:14,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1081. [2020-12-23 08:46:14,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2020-12-23 08:46:14,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1929 transitions. [2020-12-23 08:46:14,674 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1929 transitions. Word has length 55 [2020-12-23 08:46:14,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:14,678 INFO L481 AbstractCegarLoop]: Abstraction has 1081 states and 1929 transitions. [2020-12-23 08:46:14,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:46:14,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1929 transitions. [2020-12-23 08:46:14,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 08:46:14,681 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:14,681 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 08:46:14,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:46:14,896 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:14,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:14,897 INFO L82 PathProgramCache]: Analyzing trace with hash 381028871, now seen corresponding path program 1 times [2020-12-23 08:46:14,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:14,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711121437] [2020-12-23 08:46:14,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:14,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:14,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711121437] [2020-12-23 08:46:14,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:14,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:46:14,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838600797] [2020-12-23 08:46:14,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:46:14,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:14,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:46:14,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:14,972 INFO L87 Difference]: Start difference. First operand 1081 states and 1929 transitions. Second operand 3 states. [2020-12-23 08:46:15,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:15,106 INFO L93 Difference]: Finished difference Result 2873 states and 5154 transitions. [2020-12-23 08:46:15,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:46:15,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-12-23 08:46:15,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:15,120 INFO L225 Difference]: With dead ends: 2873 [2020-12-23 08:46:15,120 INFO L226 Difference]: Without dead ends: 1893 [2020-12-23 08:46:15,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:15,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1893 states. [2020-12-23 08:46:15,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1893 to 1813. [2020-12-23 08:46:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1813 states. [2020-12-23 08:46:15,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 3262 transitions. [2020-12-23 08:46:15,261 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 3262 transitions. Word has length 59 [2020-12-23 08:46:15,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:15,262 INFO L481 AbstractCegarLoop]: Abstraction has 1813 states and 3262 transitions. [2020-12-23 08:46:15,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:46:15,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 3262 transitions. [2020-12-23 08:46:15,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 08:46:15,265 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:15,266 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 08:46:15,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:46:15,266 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:15,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:15,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1949337479, now seen corresponding path program 1 times [2020-12-23 08:46:15,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:15,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073083097] [2020-12-23 08:46:15,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:15,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073083097] [2020-12-23 08:46:15,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:15,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:46:15,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209431667] [2020-12-23 08:46:15,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:46:15,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:15,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:46:15,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:15,360 INFO L87 Difference]: Start difference. First operand 1813 states and 3262 transitions. Second operand 3 states. [2020-12-23 08:46:15,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:15,572 INFO L93 Difference]: Finished difference Result 4805 states and 8672 transitions. [2020-12-23 08:46:15,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:46:15,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-12-23 08:46:15,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:15,593 INFO L225 Difference]: With dead ends: 4805 [2020-12-23 08:46:15,593 INFO L226 Difference]: Without dead ends: 3127 [2020-12-23 08:46:15,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:15,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3127 states. [2020-12-23 08:46:15,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3127 to 3047. [2020-12-23 08:46:15,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3047 states. [2020-12-23 08:46:15,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 3047 states and 5503 transitions. [2020-12-23 08:46:15,808 INFO L78 Accepts]: Start accepts. Automaton has 3047 states and 5503 transitions. Word has length 60 [2020-12-23 08:46:15,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:15,809 INFO L481 AbstractCegarLoop]: Abstraction has 3047 states and 5503 transitions. [2020-12-23 08:46:15,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:46:15,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3047 states and 5503 transitions. [2020-12-23 08:46:15,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 08:46:15,818 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:15,819 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] [2020-12-23 08:46:15,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:46:15,819 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:15,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:15,820 INFO L82 PathProgramCache]: Analyzing trace with hash 188142840, now seen corresponding path program 1 times [2020-12-23 08:46:15,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:15,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100981345] [2020-12-23 08:46:15,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:15,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100981345] [2020-12-23 08:46:15,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:15,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:46:15,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047660884] [2020-12-23 08:46:15,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:46:15,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:15,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:46:15,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:15,890 INFO L87 Difference]: Start difference. First operand 3047 states and 5503 transitions. Second operand 3 states. [2020-12-23 08:46:16,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:16,249 INFO L93 Difference]: Finished difference Result 8223 states and 14878 transitions. [2020-12-23 08:46:16,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:46:16,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-12-23 08:46:16,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:16,283 INFO L225 Difference]: With dead ends: 8223 [2020-12-23 08:46:16,283 INFO L226 Difference]: Without dead ends: 5345 [2020-12-23 08:46:16,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:16,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5345 states. [2020-12-23 08:46:16,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5345 to 5265. [2020-12-23 08:46:16,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5265 states. [2020-12-23 08:46:16,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5265 states to 5265 states and 9520 transitions. [2020-12-23 08:46:16,694 INFO L78 Accepts]: Start accepts. Automaton has 5265 states and 9520 transitions. Word has length 61 [2020-12-23 08:46:16,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:16,695 INFO L481 AbstractCegarLoop]: Abstraction has 5265 states and 9520 transitions. [2020-12-23 08:46:16,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:46:16,695 INFO L276 IsEmpty]: Start isEmpty. Operand 5265 states and 9520 transitions. [2020-12-23 08:46:16,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 08:46:16,699 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:16,699 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] [2020-12-23 08:46:16,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:46:16,699 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:16,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:16,700 INFO L82 PathProgramCache]: Analyzing trace with hash -845997736, now seen corresponding path program 1 times [2020-12-23 08:46:16,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:16,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821164444] [2020-12-23 08:46:16,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:16,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:16,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821164444] [2020-12-23 08:46:16,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:16,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:46:16,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431709106] [2020-12-23 08:46:16,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:46:16,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:16,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:46:16,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:16,768 INFO L87 Difference]: Start difference. First operand 5265 states and 9520 transitions. Second operand 3 states. [2020-12-23 08:46:17,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:17,276 INFO L93 Difference]: Finished difference Result 15203 states and 27540 transitions. [2020-12-23 08:46:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:46:17,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-23 08:46:17,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:17,347 INFO L225 Difference]: With dead ends: 15203 [2020-12-23 08:46:17,347 INFO L226 Difference]: Without dead ends: 10115 [2020-12-23 08:46:17,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:17,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10115 states. [2020-12-23 08:46:17,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10115 to 10035. [2020-12-23 08:46:17,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10035 states. [2020-12-23 08:46:17,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10035 states to 10035 states and 18161 transitions. [2020-12-23 08:46:17,999 INFO L78 Accepts]: Start accepts. Automaton has 10035 states and 18161 transitions. Word has length 62 [2020-12-23 08:46:17,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:17,999 INFO L481 AbstractCegarLoop]: Abstraction has 10035 states and 18161 transitions. [2020-12-23 08:46:17,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:46:17,999 INFO L276 IsEmpty]: Start isEmpty. Operand 10035 states and 18161 transitions. [2020-12-23 08:46:18,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 08:46:18,004 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:18,004 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] [2020-12-23 08:46:18,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:46:18,005 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:18,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:18,005 INFO L82 PathProgramCache]: Analyzing trace with hash 412271399, now seen corresponding path program 1 times [2020-12-23 08:46:18,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:18,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151224399] [2020-12-23 08:46:18,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:18,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:18,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151224399] [2020-12-23 08:46:18,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:18,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:46:18,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513881465] [2020-12-23 08:46:18,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:46:18,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:18,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:46:18,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:18,065 INFO L87 Difference]: Start difference. First operand 10035 states and 18161 transitions. Second operand 3 states. [2020-12-23 08:46:18,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:18,914 INFO L93 Difference]: Finished difference Result 29343 states and 53162 transitions. [2020-12-23 08:46:18,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:46:18,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-12-23 08:46:18,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:18,979 INFO L225 Difference]: With dead ends: 29343 [2020-12-23 08:46:18,980 INFO L226 Difference]: Without dead ends: 19493 [2020-12-23 08:46:18,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:19,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19493 states. [2020-12-23 08:46:19,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19493 to 19413. [2020-12-23 08:46:19,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19413 states. [2020-12-23 08:46:20,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19413 states to 19413 states and 35122 transitions. [2020-12-23 08:46:20,056 INFO L78 Accepts]: Start accepts. Automaton has 19413 states and 35122 transitions. Word has length 63 [2020-12-23 08:46:20,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:20,056 INFO L481 AbstractCegarLoop]: Abstraction has 19413 states and 35122 transitions. [2020-12-23 08:46:20,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:46:20,056 INFO L276 IsEmpty]: Start isEmpty. Operand 19413 states and 35122 transitions. [2020-12-23 08:46:20,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 08:46:20,062 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:20,062 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] [2020-12-23 08:46:20,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:46:20,062 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:20,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:20,063 INFO L82 PathProgramCache]: Analyzing trace with hash 146900455, now seen corresponding path program 1 times [2020-12-23 08:46:20,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:20,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858316166] [2020-12-23 08:46:20,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:20,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:20,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858316166] [2020-12-23 08:46:20,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:20,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:46:20,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460674859] [2020-12-23 08:46:20,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:46:20,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:20,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:46:20,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:20,125 INFO L87 Difference]: Start difference. First operand 19413 states and 35122 transitions. Second operand 3 states. [2020-12-23 08:46:21,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:21,627 INFO L93 Difference]: Finished difference Result 57663 states and 104359 transitions. [2020-12-23 08:46:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:46:21,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-12-23 08:46:21,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:21,750 INFO L225 Difference]: With dead ends: 57663 [2020-12-23 08:46:21,750 INFO L226 Difference]: Without dead ends: 38439 [2020-12-23 08:46:21,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:21,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38439 states. [2020-12-23 08:46:23,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38439 to 38359. [2020-12-23 08:46:23,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38359 states. [2020-12-23 08:46:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38359 states to 38359 states and 69299 transitions. [2020-12-23 08:46:23,817 INFO L78 Accepts]: Start accepts. Automaton has 38359 states and 69299 transitions. Word has length 64 [2020-12-23 08:46:23,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:23,817 INFO L481 AbstractCegarLoop]: Abstraction has 38359 states and 69299 transitions. [2020-12-23 08:46:23,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:46:23,817 INFO L276 IsEmpty]: Start isEmpty. Operand 38359 states and 69299 transitions. [2020-12-23 08:46:23,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 08:46:23,824 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:23,824 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] [2020-12-23 08:46:23,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:46:23,824 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:23,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:23,825 INFO L82 PathProgramCache]: Analyzing trace with hash -623212146, now seen corresponding path program 1 times [2020-12-23 08:46:23,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:23,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818862855] [2020-12-23 08:46:23,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:46:23,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818862855] [2020-12-23 08:46:23,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:23,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:46:23,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440471252] [2020-12-23 08:46:23,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:46:23,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:23,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:46:23,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:46:23,895 INFO L87 Difference]: Start difference. First operand 38359 states and 69299 transitions. Second operand 5 states. [2020-12-23 08:46:26,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:26,591 INFO L93 Difference]: Finished difference Result 112772 states and 203696 transitions. [2020-12-23 08:46:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:46:26,601 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-12-23 08:46:26,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:26,929 INFO L225 Difference]: With dead ends: 112772 [2020-12-23 08:46:26,929 INFO L226 Difference]: Without dead ends: 74670 [2020-12-23 08:46:26,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:46:27,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74670 states. [2020-12-23 08:46:29,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74670 to 38359. [2020-12-23 08:46:29,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38359 states. [2020-12-23 08:46:29,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38359 states to 38359 states and 69041 transitions. [2020-12-23 08:46:29,471 INFO L78 Accepts]: Start accepts. Automaton has 38359 states and 69041 transitions. Word has length 65 [2020-12-23 08:46:29,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:29,471 INFO L481 AbstractCegarLoop]: Abstraction has 38359 states and 69041 transitions. [2020-12-23 08:46:29,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:46:29,471 INFO L276 IsEmpty]: Start isEmpty. Operand 38359 states and 69041 transitions. [2020-12-23 08:46:29,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 08:46:29,477 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:29,478 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] [2020-12-23 08:46:29,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:46:29,478 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:29,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:29,479 INFO L82 PathProgramCache]: Analyzing trace with hash -935154516, now seen corresponding path program 2 times [2020-12-23 08:46:29,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:29,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397920845] [2020-12-23 08:46:29,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:29,554 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:29,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397920845] [2020-12-23 08:46:29,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:29,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:46:29,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936919128] [2020-12-23 08:46:29,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:46:29,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:29,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:46:29,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:46:29,557 INFO L87 Difference]: Start difference. First operand 38359 states and 69041 transitions. Second operand 5 states. [2020-12-23 08:46:31,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:31,413 INFO L93 Difference]: Finished difference Result 76535 states and 137761 transitions. [2020-12-23 08:46:31,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:46:31,414 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-12-23 08:46:31,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:31,495 INFO L225 Difference]: With dead ends: 76535 [2020-12-23 08:46:31,495 INFO L226 Difference]: Without dead ends: 38439 [2020-12-23 08:46:31,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:46:31,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38439 states. [2020-12-23 08:46:33,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38439 to 38359. [2020-12-23 08:46:33,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38359 states. [2020-12-23 08:46:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38359 states to 38359 states and 68913 transitions. [2020-12-23 08:46:33,590 INFO L78 Accepts]: Start accepts. Automaton has 38359 states and 68913 transitions. Word has length 65 [2020-12-23 08:46:33,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:33,591 INFO L481 AbstractCegarLoop]: Abstraction has 38359 states and 68913 transitions. [2020-12-23 08:46:33,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:46:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 38359 states and 68913 transitions. [2020-12-23 08:46:33,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 08:46:33,597 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:33,597 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] [2020-12-23 08:46:33,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:46:33,597 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:33,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:33,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1725324391, now seen corresponding path program 1 times [2020-12-23 08:46:33,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:33,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227570210] [2020-12-23 08:46:33,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:33,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:46:33,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227570210] [2020-12-23 08:46:33,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:33,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:46:33,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022234592] [2020-12-23 08:46:33,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:46:33,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:33,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:46:33,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:33,661 INFO L87 Difference]: Start difference. First operand 38359 states and 68913 transitions. Second operand 3 states. [2020-12-23 08:46:36,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:36,444 INFO L93 Difference]: Finished difference Result 106657 states and 191339 transitions. [2020-12-23 08:46:36,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:46:36,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-12-23 08:46:36,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:36,712 INFO L225 Difference]: With dead ends: 106657 [2020-12-23 08:46:36,712 INFO L226 Difference]: Without dead ends: 68521 [2020-12-23 08:46:36,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:36,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68521 states. [2020-12-23 08:46:40,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68521 to 68441. [2020-12-23 08:46:40,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68441 states. [2020-12-23 08:46:40,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68441 states to 68441 states and 122418 transitions. [2020-12-23 08:46:40,189 INFO L78 Accepts]: Start accepts. Automaton has 68441 states and 122418 transitions. Word has length 65 [2020-12-23 08:46:40,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:40,190 INFO L481 AbstractCegarLoop]: Abstraction has 68441 states and 122418 transitions. [2020-12-23 08:46:40,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:46:40,190 INFO L276 IsEmpty]: Start isEmpty. Operand 68441 states and 122418 transitions. [2020-12-23 08:46:40,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 08:46:40,195 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:40,195 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] [2020-12-23 08:46:40,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:46:40,195 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:40,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:40,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1331173874, now seen corresponding path program 1 times [2020-12-23 08:46:40,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:40,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039609440] [2020-12-23 08:46:40,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:40,335 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:46:40,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039609440] [2020-12-23 08:46:40,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:40,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:46:40,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052297388] [2020-12-23 08:46:40,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:46:40,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:40,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:46:40,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:46:40,338 INFO L87 Difference]: Start difference. First operand 68441 states and 122418 transitions. Second operand 10 states. [2020-12-23 08:46:43,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:43,890 INFO L93 Difference]: Finished difference Result 68944 states and 123125 transitions. [2020-12-23 08:46:43,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 08:46:43,891 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-12-23 08:46:43,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:44,009 INFO L225 Difference]: With dead ends: 68944 [2020-12-23 08:46:44,010 INFO L226 Difference]: Without dead ends: 68886 [2020-12-23 08:46:44,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=290, Invalid=766, Unknown=0, NotChecked=0, Total=1056 [2020-12-23 08:46:44,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68886 states. [2020-12-23 08:46:47,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68886 to 68481. [2020-12-23 08:46:47,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68481 states. [2020-12-23 08:46:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68481 states to 68481 states and 122476 transitions. [2020-12-23 08:46:47,298 INFO L78 Accepts]: Start accepts. Automaton has 68481 states and 122476 transitions. Word has length 66 [2020-12-23 08:46:47,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:47,298 INFO L481 AbstractCegarLoop]: Abstraction has 68481 states and 122476 transitions. [2020-12-23 08:46:47,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:46:47,298 INFO L276 IsEmpty]: Start isEmpty. Operand 68481 states and 122476 transitions. [2020-12-23 08:46:47,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 08:46:47,304 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:47,304 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] [2020-12-23 08:46:47,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:46:47,304 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:47,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:47,305 INFO L82 PathProgramCache]: Analyzing trace with hash -168771577, now seen corresponding path program 1 times [2020-12-23 08:46:47,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:47,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275021750] [2020-12-23 08:46:47,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:46:47,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275021750] [2020-12-23 08:46:47,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:47,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:46:47,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177288228] [2020-12-23 08:46:47,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:46:47,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:47,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:46:47,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:46:47,371 INFO L87 Difference]: Start difference. First operand 68481 states and 122476 transitions. Second operand 4 states. [2020-12-23 08:46:50,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:50,232 INFO L93 Difference]: Finished difference Result 68574 states and 122613 transitions. [2020-12-23 08:46:50,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:46:50,232 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2020-12-23 08:46:50,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:50,233 INFO L225 Difference]: With dead ends: 68574 [2020-12-23 08:46:50,233 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 08:46:50,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:46:50,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 08:46:50,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 08:46:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 08:46:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 08:46:50,263 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2020-12-23 08:46:50,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:50,263 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 08:46:50,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:46:50,263 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 08:46:50,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 08:46:50,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:46:50,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 08:46:50,474 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 115 [2020-12-23 08:46:54,250 WARN L197 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 1096 DAG size of output: 750 [2020-12-23 08:47:03,980 WARN L197 SmtUtils]: Spent 9.72 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2020-12-23 08:47:13,881 WARN L197 SmtUtils]: Spent 9.89 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2020-12-23 08:47:16,754 WARN L197 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2020-12-23 08:47:19,539 WARN L197 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 712 DAG size of output: 653 [2020-12-23 08:47:22,376 WARN L197 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 712 DAG size of output: 641 [2020-12-23 08:47:31,934 WARN L197 SmtUtils]: Spent 9.41 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2020-12-23 08:47:41,263 WARN L197 SmtUtils]: Spent 9.25 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2020-12-23 08:47:50,703 WARN L197 SmtUtils]: Spent 9.29 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2020-12-23 08:48:00,365 WARN L197 SmtUtils]: Spent 9.56 s on a formula simplification. DAG size of input: 1366 DAG size of output: 1110 [2020-12-23 08:48:09,639 WARN L197 SmtUtils]: Spent 9.27 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2020-12-23 08:48:18,959 WARN L197 SmtUtils]: Spent 9.23 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2020-12-23 08:48:28,462 WARN L197 SmtUtils]: Spent 9.30 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2020-12-23 08:48:31,076 WARN L197 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 712 DAG size of output: 641 [2020-12-23 08:48:40,402 WARN L197 SmtUtils]: Spent 9.28 s on a formula simplification. DAG size of input: 1355 DAG size of output: 1099 [2020-12-23 08:48:42,797 WARN L197 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 1096 DAG size of output: 746 [2020-12-23 08:48:45,139 WARN L197 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 1096 DAG size of output: 750 [2020-12-23 08:48:54,428 WARN L197 SmtUtils]: Spent 9.28 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2020-12-23 08:49:03,825 WARN L197 SmtUtils]: Spent 9.39 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2020-12-23 08:49:13,841 WARN L197 SmtUtils]: Spent 9.94 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2020-12-23 08:49:15,291 WARN L197 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 328 DAG size of output: 320 [2020-12-23 08:49:18,194 WARN L197 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2020-12-23 08:49:21,121 WARN L197 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 712 DAG size of output: 653 [2020-12-23 08:49:24,005 WARN L197 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2020-12-23 08:49:26,931 WARN L197 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 712 DAG size of output: 653 [2020-12-23 08:49:29,756 WARN L197 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 712 DAG size of output: 641 [2020-12-23 08:49:31,183 WARN L197 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 328 DAG size of output: 320 [2020-12-23 08:49:40,644 WARN L197 SmtUtils]: Spent 9.46 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2020-12-23 08:49:43,542 WARN L197 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2020-12-23 08:49:46,342 WARN L197 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2020-12-23 08:49:49,228 WARN L197 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 712 DAG size of output: 653 [2020-12-23 08:49:51,860 WARN L197 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 712 DAG size of output: 641 [2020-12-23 08:49:54,663 WARN L197 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2020-12-23 08:49:57,026 WARN L197 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 1096 DAG size of output: 750 [2020-12-23 08:50:06,549 WARN L197 SmtUtils]: Spent 9.52 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2020-12-23 08:50:09,442 WARN L197 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 712 DAG size of output: 641 [2020-12-23 08:50:11,830 WARN L197 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 1096 DAG size of output: 754 [2020-12-23 08:50:14,476 WARN L197 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 705 DAG size of output: 694 [2020-12-23 08:50:23,797 WARN L197 SmtUtils]: Spent 9.31 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1096 [2020-12-23 08:50:26,703 WARN L197 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 709 DAG size of output: 699 [2020-12-23 08:50:29,437 WARN L197 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 712 DAG size of output: 645 [2020-12-23 08:50:29,544 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 129 [2020-12-23 08:50:29,903 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 132