/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/elevator_spec9_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:31:28,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:31:28,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:31:28,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:31:28,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:31:28,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:31:28,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:31:28,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:31:28,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:31:28,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:31:28,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:31:28,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:31:28,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:31:28,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:31:28,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:31:28,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:31:28,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:31:28,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:31:28,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:31:28,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:31:28,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:31:28,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:31:28,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:31:28,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:31:28,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:31:28,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:31:28,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:31:28,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:31:28,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:31:28,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:31:28,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:31:28,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:31:28,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:31:28,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:31:28,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:31:28,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:31:28,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:31:28,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:31:28,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:31:28,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:31:28,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:31:28,544 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:31:28,572 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:31:28,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:31:28,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:31:28,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:31:28,574 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:31:28,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:31:28,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:31:28,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:31:28,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:31:28,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:31:28,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:31:28,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:31:28,576 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:31:28,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:31:28,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:31:28,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:31:28,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:31:28,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:31:28,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:31:28,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:31:28,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:31:28,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:31:28,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:31:28,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:31:28,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:31:28,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:31:28,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:31:28,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:31:29,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:31:29,010 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:31:29,011 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:31:29,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product25.cil.c [2021-01-06 18:31:29,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e8eed3976/72f45048983a4282892e5a1f9797b946/FLAGee9f0c64a [2021-01-06 18:31:29,951 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:31:29,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product25.cil.c [2021-01-06 18:31:29,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e8eed3976/72f45048983a4282892e5a1f9797b946/FLAGee9f0c64a [2021-01-06 18:31:30,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e8eed3976/72f45048983a4282892e5a1f9797b946 [2021-01-06 18:31:30,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:31:30,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:31:30,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:31:30,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:31:30,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:31:30,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:31:30" (1/1) ... [2021-01-06 18:31:30,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76677046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:31:30, skipping insertion in model container [2021-01-06 18:31:30,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:31:30" (1/1) ... [2021-01-06 18:31:30,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:31:30,242 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~floor~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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[~retValue_acc~1,] 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[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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~4,] 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~5,] 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~3,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~nd~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~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[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~maxLength~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~counter~0,] left hand side expression in assignment: lhs: VariableLHS[~counter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~action~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~origin~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] [2021-01-06 18:31:30,823 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/elevator_spec9_product25.cil.c[23164,23177] left hand side expression in assignment: lhs: VariableLHS[~calls_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~calls_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_4~0,GLOBAL] 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~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~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[~personOnFloor_0_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~weight~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~weight~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] 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~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[~tmp___3~0,] 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[~tmp___2~1,] 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[~tmp___1~4,] 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[~tmp___0~5,] 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[~tmp~18,] 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[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] 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[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~2,] left hand side expression in assignment: lhs: VariableLHS[~doorState~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~2,] left hand side expression in assignment: lhs: VariableLHS[~doorState~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp18~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp19~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp24~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp25~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp26~0,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] [2021-01-06 18:31:31,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:31:31,107 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~floor~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc9_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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[~retValue_acc~1,] 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[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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~4,] 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~5,] 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~3,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~nd~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~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[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~maxLength~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~counter~0,] left hand side expression in assignment: lhs: VariableLHS[~counter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~action~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~origin~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] [2021-01-06 18:31:31,190 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/elevator_spec9_product25.cil.c[23164,23177] left hand side expression in assignment: lhs: VariableLHS[~calls_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~calls_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~calls_4~0,GLOBAL] 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~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~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[~personOnFloor_0_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_0_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_1_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_2_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_3_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_4_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~personOnFloor_5_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~weight~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~weight~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] 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~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[~tmp___3~0,] 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[~tmp___2~1,] 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[~tmp___1~4,] 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[~tmp___0~5,] 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[~tmp~18,] 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[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] 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[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~2,] left hand side expression in assignment: lhs: VariableLHS[~doorState~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~2,] left hand side expression in assignment: lhs: VariableLHS[~doorState~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp18~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp19~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp24~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp25~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp26~0,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] [2021-01-06 18:31:31,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:31:31,384 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:31:31,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:31:31 WrapperNode [2021-01-06 18:31:31,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:31:31,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:31:31,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:31:31,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:31:31,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:31:31" (1/1) ... [2021-01-06 18:31:31,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:31:31" (1/1) ... [2021-01-06 18:31:31,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:31:31,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:31:31,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:31:31,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:31:31,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:31:31" (1/1) ... [2021-01-06 18:31:31,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:31:31" (1/1) ... [2021-01-06 18:31:31,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:31:31" (1/1) ... [2021-01-06 18:31:31,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:31:31" (1/1) ... [2021-01-06 18:31:31,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:31:31" (1/1) ... [2021-01-06 18:31:31,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:31:31" (1/1) ... [2021-01-06 18:31:31,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:31:31" (1/1) ... [2021-01-06 18:31:32,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:31:32,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:31:32,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:31:32,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:31:32,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:31:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:31:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:31:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:31:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:31:32,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:31:38,397 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:31:38,398 INFO L299 CfgBuilder]: Removed 589 assume(true) statements. [2021-01-06 18:31:38,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:31:38 BoogieIcfgContainer [2021-01-06 18:31:38,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:31:38,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:31:38,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:31:38,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:31:38,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:31:30" (1/3) ... [2021-01-06 18:31:38,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21da683b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:31:38, skipping insertion in model container [2021-01-06 18:31:38,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:31:31" (2/3) ... [2021-01-06 18:31:38,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21da683b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:31:38, skipping insertion in model container [2021-01-06 18:31:38,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:31:38" (3/3) ... [2021-01-06 18:31:38,414 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product25.cil.c [2021-01-06 18:31:38,422 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:31:38,430 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2021-01-06 18:31:38,454 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-01-06 18:31:38,496 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:31:38,497 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:31:38,497 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:31:38,497 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:31:38,497 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:31:38,497 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:31:38,497 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:31:38,498 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:31:38,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states. [2021-01-06 18:31:38,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-01-06 18:31:38,571 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:38,572 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] [2021-01-06 18:31:38,573 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:38,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:38,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1633009766, now seen corresponding path program 1 times [2021-01-06 18:31:38,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:38,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665879889] [2021-01-06 18:31:38,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:39,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:39,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665879889] [2021-01-06 18:31:39,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:39,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:31:39,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808567544] [2021-01-06 18:31:39,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:31:39,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:39,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:31:39,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:31:39,217 INFO L87 Difference]: Start difference. First operand 2512 states. Second operand 3 states. [2021-01-06 18:31:39,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:39,460 INFO L93 Difference]: Finished difference Result 5015 states and 9469 transitions. [2021-01-06 18:31:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:31:39,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2021-01-06 18:31:39,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:39,508 INFO L225 Difference]: With dead ends: 5015 [2021-01-06 18:31:39,508 INFO L226 Difference]: Without dead ends: 2508 [2021-01-06 18:31:39,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:31:39,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2021-01-06 18:31:39,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 2508. [2021-01-06 18:31:39,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2508 states. [2021-01-06 18:31:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2508 states and 4725 transitions. [2021-01-06 18:31:39,743 INFO L78 Accepts]: Start accepts. Automaton has 2508 states and 4725 transitions. Word has length 37 [2021-01-06 18:31:39,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:39,743 INFO L481 AbstractCegarLoop]: Abstraction has 2508 states and 4725 transitions. [2021-01-06 18:31:39,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:31:39,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 4725 transitions. [2021-01-06 18:31:39,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 18:31:39,747 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:39,747 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] [2021-01-06 18:31:39,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:31:39,748 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:39,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:39,749 INFO L82 PathProgramCache]: Analyzing trace with hash -56341435, now seen corresponding path program 1 times [2021-01-06 18:31:39,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:39,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193206680] [2021-01-06 18:31:39,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:39,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:39,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193206680] [2021-01-06 18:31:39,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:39,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 18:31:39,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6574642] [2021-01-06 18:31:39,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:31:39,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:39,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:31:39,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:31:39,946 INFO L87 Difference]: Start difference. First operand 2508 states and 4725 transitions. Second operand 6 states. [2021-01-06 18:31:40,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:40,191 INFO L93 Difference]: Finished difference Result 4967 states and 9366 transitions. [2021-01-06 18:31:40,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:31:40,192 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2021-01-06 18:31:40,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:40,208 INFO L225 Difference]: With dead ends: 4967 [2021-01-06 18:31:40,208 INFO L226 Difference]: Without dead ends: 2502 [2021-01-06 18:31:40,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:31:40,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2021-01-06 18:31:40,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 2502. [2021-01-06 18:31:40,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2502 states. [2021-01-06 18:31:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2502 states and 4712 transitions. [2021-01-06 18:31:40,330 INFO L78 Accepts]: Start accepts. Automaton has 2502 states and 4712 transitions. Word has length 44 [2021-01-06 18:31:40,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:40,330 INFO L481 AbstractCegarLoop]: Abstraction has 2502 states and 4712 transitions. [2021-01-06 18:31:40,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:31:40,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 4712 transitions. [2021-01-06 18:31:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-06 18:31:40,334 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:40,334 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:31:40,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:31:40,334 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:40,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:40,335 INFO L82 PathProgramCache]: Analyzing trace with hash 2055500003, now seen corresponding path program 1 times [2021-01-06 18:31:40,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:40,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6773794] [2021-01-06 18:31:40,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:40,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6773794] [2021-01-06 18:31:40,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:40,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:31:40,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181334037] [2021-01-06 18:31:40,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:31:40,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:40,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:31:40,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:31:40,437 INFO L87 Difference]: Start difference. First operand 2502 states and 4712 transitions. Second operand 4 states. [2021-01-06 18:31:40,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:40,682 INFO L93 Difference]: Finished difference Result 4961 states and 9353 transitions. [2021-01-06 18:31:40,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:31:40,683 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2021-01-06 18:31:40,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:40,700 INFO L225 Difference]: With dead ends: 4961 [2021-01-06 18:31:40,701 INFO L226 Difference]: Without dead ends: 2502 [2021-01-06 18:31:40,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:31:40,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2021-01-06 18:31:40,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 2502. [2021-01-06 18:31:40,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2502 states. [2021-01-06 18:31:40,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2502 states and 4708 transitions. [2021-01-06 18:31:40,890 INFO L78 Accepts]: Start accepts. Automaton has 2502 states and 4708 transitions. Word has length 45 [2021-01-06 18:31:40,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:40,898 INFO L481 AbstractCegarLoop]: Abstraction has 2502 states and 4708 transitions. [2021-01-06 18:31:40,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:31:40,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 4708 transitions. [2021-01-06 18:31:40,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-06 18:31:40,903 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:40,903 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] [2021-01-06 18:31:40,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:31:40,903 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:40,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:40,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1068646936, now seen corresponding path program 1 times [2021-01-06 18:31:40,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:40,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980391599] [2021-01-06 18:31:40,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:41,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:41,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980391599] [2021-01-06 18:31:41,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:41,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:31:41,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853370497] [2021-01-06 18:31:41,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:31:41,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:41,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:31:41,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:31:41,032 INFO L87 Difference]: Start difference. First operand 2502 states and 4708 transitions. Second operand 4 states. [2021-01-06 18:31:41,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:41,248 INFO L93 Difference]: Finished difference Result 4961 states and 9349 transitions. [2021-01-06 18:31:41,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:31:41,248 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 46 [2021-01-06 18:31:41,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:41,263 INFO L225 Difference]: With dead ends: 4961 [2021-01-06 18:31:41,264 INFO L226 Difference]: Without dead ends: 2502 [2021-01-06 18:31:41,269 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:31:41,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2021-01-06 18:31:41,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 2502. [2021-01-06 18:31:41,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2502 states. [2021-01-06 18:31:41,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2502 states and 4704 transitions. [2021-01-06 18:31:41,369 INFO L78 Accepts]: Start accepts. Automaton has 2502 states and 4704 transitions. Word has length 46 [2021-01-06 18:31:41,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:41,370 INFO L481 AbstractCegarLoop]: Abstraction has 2502 states and 4704 transitions. [2021-01-06 18:31:41,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:31:41,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 4704 transitions. [2021-01-06 18:31:41,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 18:31:41,372 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:41,372 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:31:41,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:31:41,374 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:41,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:41,374 INFO L82 PathProgramCache]: Analyzing trace with hash 37586952, now seen corresponding path program 1 times [2021-01-06 18:31:41,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:41,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274789177] [2021-01-06 18:31:41,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:41,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:41,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274789177] [2021-01-06 18:31:41,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:41,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:31:41,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450614817] [2021-01-06 18:31:41,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:31:41,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:41,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:31:41,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:31:41,501 INFO L87 Difference]: Start difference. First operand 2502 states and 4704 transitions. Second operand 4 states. [2021-01-06 18:31:41,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:41,706 INFO L93 Difference]: Finished difference Result 4961 states and 9345 transitions. [2021-01-06 18:31:41,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:31:41,707 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-01-06 18:31:41,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:41,723 INFO L225 Difference]: With dead ends: 4961 [2021-01-06 18:31:41,724 INFO L226 Difference]: Without dead ends: 2502 [2021-01-06 18:31:41,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:31:41,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2021-01-06 18:31:41,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 2502. [2021-01-06 18:31:41,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2502 states. [2021-01-06 18:31:41,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2502 states and 4700 transitions. [2021-01-06 18:31:41,836 INFO L78 Accepts]: Start accepts. Automaton has 2502 states and 4700 transitions. Word has length 47 [2021-01-06 18:31:41,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:41,838 INFO L481 AbstractCegarLoop]: Abstraction has 2502 states and 4700 transitions. [2021-01-06 18:31:41,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:31:41,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 4700 transitions. [2021-01-06 18:31:41,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 18:31:41,842 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:41,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:31:41,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:31:41,843 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:41,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:41,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1297234808, now seen corresponding path program 1 times [2021-01-06 18:31:41,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:41,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287604050] [2021-01-06 18:31:41,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:41,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:41,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287604050] [2021-01-06 18:31:41,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:41,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:31:41,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121036700] [2021-01-06 18:31:41,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:31:41,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:41,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:31:41,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:31:41,985 INFO L87 Difference]: Start difference. First operand 2502 states and 4700 transitions. Second operand 4 states. [2021-01-06 18:31:42,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:42,184 INFO L93 Difference]: Finished difference Result 4961 states and 9341 transitions. [2021-01-06 18:31:42,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:31:42,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-01-06 18:31:42,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:42,201 INFO L225 Difference]: With dead ends: 4961 [2021-01-06 18:31:42,201 INFO L226 Difference]: Without dead ends: 2481 [2021-01-06 18:31:42,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:31:42,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2481 states. [2021-01-06 18:31:42,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2481 to 2481. [2021-01-06 18:31:42,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2481 states. [2021-01-06 18:31:42,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2481 states and 4666 transitions. [2021-01-06 18:31:42,322 INFO L78 Accepts]: Start accepts. Automaton has 2481 states and 4666 transitions. Word has length 47 [2021-01-06 18:31:42,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:42,323 INFO L481 AbstractCegarLoop]: Abstraction has 2481 states and 4666 transitions. [2021-01-06 18:31:42,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:31:42,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 4666 transitions. [2021-01-06 18:31:42,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 18:31:42,325 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:42,325 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:31:42,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:31:42,326 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:42,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:42,331 INFO L82 PathProgramCache]: Analyzing trace with hash -858359699, now seen corresponding path program 1 times [2021-01-06 18:31:42,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:42,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924223571] [2021-01-06 18:31:42,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:42,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:42,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924223571] [2021-01-06 18:31:42,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:42,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:31:42,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767275891] [2021-01-06 18:31:42,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:31:42,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:42,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:31:42,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:31:42,433 INFO L87 Difference]: Start difference. First operand 2481 states and 4666 transitions. Second operand 4 states. [2021-01-06 18:31:42,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:42,591 INFO L93 Difference]: Finished difference Result 4940 states and 9307 transitions. [2021-01-06 18:31:42,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:31:42,592 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2021-01-06 18:31:42,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:42,608 INFO L225 Difference]: With dead ends: 4940 [2021-01-06 18:31:42,608 INFO L226 Difference]: Without dead ends: 2481 [2021-01-06 18:31:42,615 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:31:42,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2481 states. [2021-01-06 18:31:42,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2481 to 2481. [2021-01-06 18:31:42,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2481 states. [2021-01-06 18:31:42,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2481 states and 4665 transitions. [2021-01-06 18:31:42,731 INFO L78 Accepts]: Start accepts. Automaton has 2481 states and 4665 transitions. Word has length 48 [2021-01-06 18:31:42,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:42,731 INFO L481 AbstractCegarLoop]: Abstraction has 2481 states and 4665 transitions. [2021-01-06 18:31:42,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:31:42,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 4665 transitions. [2021-01-06 18:31:42,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 18:31:42,734 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:42,734 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:31:42,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:31:42,734 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:42,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:42,735 INFO L82 PathProgramCache]: Analyzing trace with hash 602606381, now seen corresponding path program 1 times [2021-01-06 18:31:42,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:42,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700154213] [2021-01-06 18:31:42,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:42,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:42,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700154213] [2021-01-06 18:31:42,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:42,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:31:42,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321572502] [2021-01-06 18:31:42,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:31:42,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:42,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:31:42,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:31:42,834 INFO L87 Difference]: Start difference. First operand 2481 states and 4665 transitions. Second operand 4 states. [2021-01-06 18:31:42,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:42,978 INFO L93 Difference]: Finished difference Result 4940 states and 9306 transitions. [2021-01-06 18:31:42,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:31:42,979 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2021-01-06 18:31:42,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:42,994 INFO L225 Difference]: With dead ends: 4940 [2021-01-06 18:31:42,994 INFO L226 Difference]: Without dead ends: 2481 [2021-01-06 18:31:42,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:31:43,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2481 states. [2021-01-06 18:31:43,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2481 to 2481. [2021-01-06 18:31:43,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2481 states. [2021-01-06 18:31:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2481 states and 4664 transitions. [2021-01-06 18:31:43,102 INFO L78 Accepts]: Start accepts. Automaton has 2481 states and 4664 transitions. Word has length 49 [2021-01-06 18:31:43,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:43,104 INFO L481 AbstractCegarLoop]: Abstraction has 2481 states and 4664 transitions. [2021-01-06 18:31:43,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:31:43,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 4664 transitions. [2021-01-06 18:31:43,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 18:31:43,106 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:43,107 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:31:43,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:31:43,107 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:43,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:43,108 INFO L82 PathProgramCache]: Analyzing trace with hash 2113423090, now seen corresponding path program 1 times [2021-01-06 18:31:43,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:43,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296030070] [2021-01-06 18:31:43,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:43,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:43,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296030070] [2021-01-06 18:31:43,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:43,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:31:43,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118977228] [2021-01-06 18:31:43,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:31:43,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:43,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:31:43,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:31:43,268 INFO L87 Difference]: Start difference. First operand 2481 states and 4664 transitions. Second operand 7 states. [2021-01-06 18:31:43,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:43,501 INFO L93 Difference]: Finished difference Result 4934 states and 9294 transitions. [2021-01-06 18:31:43,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:31:43,502 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2021-01-06 18:31:43,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:43,537 INFO L225 Difference]: With dead ends: 4934 [2021-01-06 18:31:43,537 INFO L226 Difference]: Without dead ends: 2481 [2021-01-06 18:31:43,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:31:43,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2481 states. [2021-01-06 18:31:43,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2481 to 2481. [2021-01-06 18:31:43,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2481 states. [2021-01-06 18:31:43,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2481 states and 4663 transitions. [2021-01-06 18:31:43,662 INFO L78 Accepts]: Start accepts. Automaton has 2481 states and 4663 transitions. Word has length 50 [2021-01-06 18:31:43,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:43,662 INFO L481 AbstractCegarLoop]: Abstraction has 2481 states and 4663 transitions. [2021-01-06 18:31:43,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:31:43,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 4663 transitions. [2021-01-06 18:31:43,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 18:31:43,664 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:43,664 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:31:43,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:31:43,665 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:43,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:43,666 INFO L82 PathProgramCache]: Analyzing trace with hash -976794846, now seen corresponding path program 1 times [2021-01-06 18:31:43,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:43,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515145051] [2021-01-06 18:31:43,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:43,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:43,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515145051] [2021-01-06 18:31:43,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:43,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:31:43,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761125350] [2021-01-06 18:31:43,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:31:43,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:43,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:31:43,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:31:43,754 INFO L87 Difference]: Start difference. First operand 2481 states and 4663 transitions. Second operand 5 states. [2021-01-06 18:31:45,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:45,629 INFO L93 Difference]: Finished difference Result 9971 states and 18731 transitions. [2021-01-06 18:31:45,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:31:45,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-01-06 18:31:45,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:45,658 INFO L225 Difference]: With dead ends: 9971 [2021-01-06 18:31:45,658 INFO L226 Difference]: Without dead ends: 7533 [2021-01-06 18:31:45,667 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:31:45,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7533 states. [2021-01-06 18:31:45,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7533 to 2485. [2021-01-06 18:31:45,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2485 states. [2021-01-06 18:31:45,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 4667 transitions. [2021-01-06 18:31:45,907 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 4667 transitions. Word has length 51 [2021-01-06 18:31:45,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:45,908 INFO L481 AbstractCegarLoop]: Abstraction has 2485 states and 4667 transitions. [2021-01-06 18:31:45,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:31:45,908 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 4667 transitions. [2021-01-06 18:31:45,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-06 18:31:45,910 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:45,911 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:31:45,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:31:45,911 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:45,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:45,912 INFO L82 PathProgramCache]: Analyzing trace with hash 559828842, now seen corresponding path program 1 times [2021-01-06 18:31:45,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:45,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610823661] [2021-01-06 18:31:45,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:46,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:46,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610823661] [2021-01-06 18:31:46,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:46,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:31:46,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198142860] [2021-01-06 18:31:46,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:31:46,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:46,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:31:46,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:31:46,029 INFO L87 Difference]: Start difference. First operand 2485 states and 4667 transitions. Second operand 4 states. [2021-01-06 18:31:48,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:48,117 INFO L93 Difference]: Finished difference Result 6359 states and 11960 transitions. [2021-01-06 18:31:48,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:31:48,118 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2021-01-06 18:31:48,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:48,130 INFO L225 Difference]: With dead ends: 6359 [2021-01-06 18:31:48,130 INFO L226 Difference]: Without dead ends: 3910 [2021-01-06 18:31:48,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:31:48,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3910 states. [2021-01-06 18:31:48,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3910 to 3480. [2021-01-06 18:31:48,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3480 states. [2021-01-06 18:31:48,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 3480 states and 6543 transitions. [2021-01-06 18:31:48,306 INFO L78 Accepts]: Start accepts. Automaton has 3480 states and 6543 transitions. Word has length 52 [2021-01-06 18:31:48,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:48,306 INFO L481 AbstractCegarLoop]: Abstraction has 3480 states and 6543 transitions. [2021-01-06 18:31:48,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:31:48,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3480 states and 6543 transitions. [2021-01-06 18:31:48,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-06 18:31:48,308 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:48,308 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] [2021-01-06 18:31:48,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 18:31:48,309 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:48,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:48,309 INFO L82 PathProgramCache]: Analyzing trace with hash -845589209, now seen corresponding path program 1 times [2021-01-06 18:31:48,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:48,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542785119] [2021-01-06 18:31:48,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:48,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:48,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542785119] [2021-01-06 18:31:48,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:48,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:31:48,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65265029] [2021-01-06 18:31:48,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:31:48,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:48,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:31:48,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:31:48,388 INFO L87 Difference]: Start difference. First operand 3480 states and 6543 transitions. Second operand 4 states. [2021-01-06 18:31:50,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:50,265 INFO L93 Difference]: Finished difference Result 7354 states and 13835 transitions. [2021-01-06 18:31:50,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:31:50,266 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2021-01-06 18:31:50,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:50,278 INFO L225 Difference]: With dead ends: 7354 [2021-01-06 18:31:50,279 INFO L226 Difference]: Without dead ends: 3910 [2021-01-06 18:31:50,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:31:50,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3910 states. [2021-01-06 18:31:50,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3910 to 3480. [2021-01-06 18:31:50,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3480 states. [2021-01-06 18:31:50,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 3480 states and 6541 transitions. [2021-01-06 18:31:50,454 INFO L78 Accepts]: Start accepts. Automaton has 3480 states and 6541 transitions. Word has length 53 [2021-01-06 18:31:50,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:50,454 INFO L481 AbstractCegarLoop]: Abstraction has 3480 states and 6541 transitions. [2021-01-06 18:31:50,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:31:50,454 INFO L276 IsEmpty]: Start isEmpty. Operand 3480 states and 6541 transitions. [2021-01-06 18:31:50,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 18:31:50,456 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:50,456 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] [2021-01-06 18:31:50,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:31:50,457 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:50,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:50,457 INFO L82 PathProgramCache]: Analyzing trace with hash -679920574, now seen corresponding path program 1 times [2021-01-06 18:31:50,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:50,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219324169] [2021-01-06 18:31:50,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:50,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:50,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219324169] [2021-01-06 18:31:50,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:50,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:31:50,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135998289] [2021-01-06 18:31:50,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:31:50,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:50,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:31:50,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:31:50,532 INFO L87 Difference]: Start difference. First operand 3480 states and 6541 transitions. Second operand 5 states. [2021-01-06 18:31:51,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:51,679 INFO L93 Difference]: Finished difference Result 26388 states and 49786 transitions. [2021-01-06 18:31:51,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:31:51,680 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-01-06 18:31:51,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:51,749 INFO L225 Difference]: With dead ends: 26388 [2021-01-06 18:31:51,749 INFO L226 Difference]: Without dead ends: 22953 [2021-01-06 18:31:51,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:31:51,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22953 states. [2021-01-06 18:31:52,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22953 to 6258. [2021-01-06 18:31:52,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6258 states. [2021-01-06 18:31:52,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6258 states to 6258 states and 11784 transitions. [2021-01-06 18:31:52,196 INFO L78 Accepts]: Start accepts. Automaton has 6258 states and 11784 transitions. Word has length 54 [2021-01-06 18:31:52,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:52,196 INFO L481 AbstractCegarLoop]: Abstraction has 6258 states and 11784 transitions. [2021-01-06 18:31:52,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:31:52,196 INFO L276 IsEmpty]: Start isEmpty. Operand 6258 states and 11784 transitions. [2021-01-06 18:31:52,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 18:31:52,200 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:52,200 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] [2021-01-06 18:31:52,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:31:52,201 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:52,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:52,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1809608388, now seen corresponding path program 1 times [2021-01-06 18:31:52,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:52,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38236395] [2021-01-06 18:31:52,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:52,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:52,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38236395] [2021-01-06 18:31:52,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:52,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:31:52,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909698934] [2021-01-06 18:31:52,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:31:52,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:52,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:31:52,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:31:52,268 INFO L87 Difference]: Start difference. First operand 6258 states and 11784 transitions. Second operand 4 states. [2021-01-06 18:31:52,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:52,844 INFO L93 Difference]: Finished difference Result 11052 states and 20720 transitions. [2021-01-06 18:31:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:31:52,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2021-01-06 18:31:52,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:52,873 INFO L225 Difference]: With dead ends: 11052 [2021-01-06 18:31:52,873 INFO L226 Difference]: Without dead ends: 8547 [2021-01-06 18:31:52,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:31:52,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8547 states. [2021-01-06 18:31:53,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8547 to 6264. [2021-01-06 18:31:53,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6264 states. [2021-01-06 18:31:53,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6264 states to 6264 states and 11790 transitions. [2021-01-06 18:31:53,219 INFO L78 Accepts]: Start accepts. Automaton has 6264 states and 11790 transitions. Word has length 54 [2021-01-06 18:31:53,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:53,219 INFO L481 AbstractCegarLoop]: Abstraction has 6264 states and 11790 transitions. [2021-01-06 18:31:53,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:31:53,219 INFO L276 IsEmpty]: Start isEmpty. Operand 6264 states and 11790 transitions. [2021-01-06 18:31:53,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 18:31:53,222 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:53,222 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] [2021-01-06 18:31:53,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:31:53,222 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:53,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:53,223 INFO L82 PathProgramCache]: Analyzing trace with hash -385500241, now seen corresponding path program 1 times [2021-01-06 18:31:53,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:53,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616484989] [2021-01-06 18:31:53,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:53,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:53,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616484989] [2021-01-06 18:31:53,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:53,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 18:31:53,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315157613] [2021-01-06 18:31:53,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:31:53,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:53,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:31:53,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:31:53,311 INFO L87 Difference]: Start difference. First operand 6264 states and 11790 transitions. Second operand 3 states. [2021-01-06 18:31:53,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:53,901 INFO L93 Difference]: Finished difference Result 9181 states and 17246 transitions. [2021-01-06 18:31:53,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:31:53,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2021-01-06 18:31:53,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:53,922 INFO L225 Difference]: With dead ends: 9181 [2021-01-06 18:31:53,923 INFO L226 Difference]: Without dead ends: 6409 [2021-01-06 18:31:53,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:31:53,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6409 states. [2021-01-06 18:31:54,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6409 to 6376. [2021-01-06 18:31:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6376 states. [2021-01-06 18:31:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6376 states to 6376 states and 11921 transitions. [2021-01-06 18:31:54,349 INFO L78 Accepts]: Start accepts. Automaton has 6376 states and 11921 transitions. Word has length 59 [2021-01-06 18:31:54,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:54,350 INFO L481 AbstractCegarLoop]: Abstraction has 6376 states and 11921 transitions. [2021-01-06 18:31:54,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:31:54,350 INFO L276 IsEmpty]: Start isEmpty. Operand 6376 states and 11921 transitions. [2021-01-06 18:31:54,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 18:31:54,355 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:54,355 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] [2021-01-06 18:31:54,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:31:54,355 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:54,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:54,356 INFO L82 PathProgramCache]: Analyzing trace with hash 2099712773, now seen corresponding path program 1 times [2021-01-06 18:31:54,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:54,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960067374] [2021-01-06 18:31:54,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:54,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:54,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960067374] [2021-01-06 18:31:54,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:54,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:31:54,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917160551] [2021-01-06 18:31:54,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:31:54,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:54,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:31:54,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:31:54,507 INFO L87 Difference]: Start difference. First operand 6376 states and 11921 transitions. Second operand 4 states. [2021-01-06 18:31:55,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:55,277 INFO L93 Difference]: Finished difference Result 13935 states and 26048 transitions. [2021-01-06 18:31:55,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:31:55,277 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2021-01-06 18:31:55,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:55,303 INFO L225 Difference]: With dead ends: 13935 [2021-01-06 18:31:55,303 INFO L226 Difference]: Without dead ends: 11230 [2021-01-06 18:31:55,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:31:55,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11230 states. [2021-01-06 18:31:55,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11230 to 8972. [2021-01-06 18:31:55,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8972 states. [2021-01-06 18:31:55,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8972 states to 8972 states and 16783 transitions. [2021-01-06 18:31:55,799 INFO L78 Accepts]: Start accepts. Automaton has 8972 states and 16783 transitions. Word has length 60 [2021-01-06 18:31:55,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:55,800 INFO L481 AbstractCegarLoop]: Abstraction has 8972 states and 16783 transitions. [2021-01-06 18:31:55,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:31:55,800 INFO L276 IsEmpty]: Start isEmpty. Operand 8972 states and 16783 transitions. [2021-01-06 18:31:55,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 18:31:55,802 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:55,802 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] [2021-01-06 18:31:55,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:31:55,802 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:55,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:55,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1282064323, now seen corresponding path program 1 times [2021-01-06 18:31:55,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:55,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990612552] [2021-01-06 18:31:55,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:55,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990612552] [2021-01-06 18:31:55,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:55,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:31:55,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861389639] [2021-01-06 18:31:55,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:31:55,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:55,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:31:55,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:31:55,888 INFO L87 Difference]: Start difference. First operand 8972 states and 16783 transitions. Second operand 6 states. [2021-01-06 18:31:57,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:31:57,178 INFO L93 Difference]: Finished difference Result 40132 states and 75178 transitions. [2021-01-06 18:31:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:31:57,179 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2021-01-06 18:31:57,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:31:57,230 INFO L225 Difference]: With dead ends: 40132 [2021-01-06 18:31:57,230 INFO L226 Difference]: Without dead ends: 31364 [2021-01-06 18:31:57,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:31:57,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31364 states. [2021-01-06 18:31:58,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31364 to 24301. [2021-01-06 18:31:58,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24301 states. [2021-01-06 18:31:58,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24301 states to 24301 states and 45420 transitions. [2021-01-06 18:31:58,462 INFO L78 Accepts]: Start accepts. Automaton has 24301 states and 45420 transitions. Word has length 60 [2021-01-06 18:31:58,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:31:58,463 INFO L481 AbstractCegarLoop]: Abstraction has 24301 states and 45420 transitions. [2021-01-06 18:31:58,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:31:58,463 INFO L276 IsEmpty]: Start isEmpty. Operand 24301 states and 45420 transitions. [2021-01-06 18:31:58,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 18:31:58,465 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:31:58,465 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] [2021-01-06 18:31:58,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:31:58,465 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:31:58,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:31:58,466 INFO L82 PathProgramCache]: Analyzing trace with hash -436846510, now seen corresponding path program 1 times [2021-01-06 18:31:58,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:31:58,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91492627] [2021-01-06 18:31:58,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:31:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:31:58,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:31:58,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91492627] [2021-01-06 18:31:58,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:31:58,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:31:58,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097567168] [2021-01-06 18:31:58,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:31:58,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:31:58,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:31:58,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:31:58,572 INFO L87 Difference]: Start difference. First operand 24301 states and 45420 transitions. Second operand 6 states. [2021-01-06 18:32:01,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:32:01,799 INFO L93 Difference]: Finished difference Result 113545 states and 212240 transitions. [2021-01-06 18:32:01,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:32:01,799 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2021-01-06 18:32:01,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:32:01,931 INFO L225 Difference]: With dead ends: 113545 [2021-01-06 18:32:01,931 INFO L226 Difference]: Without dead ends: 89449 [2021-01-06 18:32:01,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:32:02,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89449 states. [2021-01-06 18:32:05,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89449 to 68614. [2021-01-06 18:32:05,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68614 states. [2021-01-06 18:32:05,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68614 states to 68614 states and 128033 transitions. [2021-01-06 18:32:05,221 INFO L78 Accepts]: Start accepts. Automaton has 68614 states and 128033 transitions. Word has length 61 [2021-01-06 18:32:05,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:32:05,221 INFO L481 AbstractCegarLoop]: Abstraction has 68614 states and 128033 transitions. [2021-01-06 18:32:05,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:32:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 68614 states and 128033 transitions. [2021-01-06 18:32:05,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 18:32:05,224 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:32:05,224 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] [2021-01-06 18:32:05,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:32:05,224 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:32:05,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:32:05,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1664154792, now seen corresponding path program 1 times [2021-01-06 18:32:05,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:32:05,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213773022] [2021-01-06 18:32:05,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:32:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:32:05,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:32:05,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213773022] [2021-01-06 18:32:05,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:32:05,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:32:05,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267586863] [2021-01-06 18:32:05,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:32:05,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:32:05,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:32:05,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:32:05,318 INFO L87 Difference]: Start difference. First operand 68614 states and 128033 transitions. Second operand 6 states. [2021-01-06 18:32:15,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:32:15,095 INFO L93 Difference]: Finished difference Result 328538 states and 612900 transitions. [2021-01-06 18:32:15,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:32:15,095 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2021-01-06 18:32:15,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:32:15,916 INFO L225 Difference]: With dead ends: 328538 [2021-01-06 18:32:15,916 INFO L226 Difference]: Without dead ends: 260130 [2021-01-06 18:32:16,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:32:16,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260130 states. [2021-01-06 18:32:24,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260130 to 198255. [2021-01-06 18:32:24,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198255 states. [2021-01-06 18:32:25,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198255 states to 198255 states and 369354 transitions. [2021-01-06 18:32:25,496 INFO L78 Accepts]: Start accepts. Automaton has 198255 states and 369354 transitions. Word has length 62 [2021-01-06 18:32:25,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:32:25,497 INFO L481 AbstractCegarLoop]: Abstraction has 198255 states and 369354 transitions. [2021-01-06 18:32:25,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:32:25,497 INFO L276 IsEmpty]: Start isEmpty. Operand 198255 states and 369354 transitions. [2021-01-06 18:32:25,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-01-06 18:32:25,500 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:32:25,500 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] [2021-01-06 18:32:25,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:32:25,500 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:32:25,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:32:25,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1923347991, now seen corresponding path program 1 times [2021-01-06 18:32:25,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:32:25,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101007260] [2021-01-06 18:32:25,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:32:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:32:25,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:32:25,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101007260] [2021-01-06 18:32:25,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:32:25,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:32:25,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973548606] [2021-01-06 18:32:25,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:32:25,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:32:25,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:32:25,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:32:25,585 INFO L87 Difference]: Start difference. First operand 198255 states and 369354 transitions. Second operand 6 states. [2021-01-06 18:32:52,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:32:52,830 INFO L93 Difference]: Finished difference Result 962971 states and 1793674 transitions. [2021-01-06 18:32:52,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:32:52,831 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2021-01-06 18:32:52,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:32:55,289 INFO L225 Difference]: With dead ends: 962971 [2021-01-06 18:32:55,289 INFO L226 Difference]: Without dead ends: 764923 [2021-01-06 18:32:55,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:32:57,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764923 states. [2021-01-06 18:33:24,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764923 to 580576. [2021-01-06 18:33:24,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580576 states. [2021-01-06 18:33:27,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580576 states to 580576 states and 1080241 transitions. [2021-01-06 18:33:27,349 INFO L78 Accepts]: Start accepts. Automaton has 580576 states and 1080241 transitions. Word has length 63 [2021-01-06 18:33:27,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:33:27,350 INFO L481 AbstractCegarLoop]: Abstraction has 580576 states and 1080241 transitions. [2021-01-06 18:33:27,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:33:27,350 INFO L276 IsEmpty]: Start isEmpty. Operand 580576 states and 1080241 transitions. [2021-01-06 18:33:27,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 18:33:27,366 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:33:27,366 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] [2021-01-06 18:33:27,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:33:27,366 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:33:27,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:33:27,367 INFO L82 PathProgramCache]: Analyzing trace with hash 921064845, now seen corresponding path program 1 times [2021-01-06 18:33:27,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:33:27,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620981821] [2021-01-06 18:33:27,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:33:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:33:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:33:27,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620981821] [2021-01-06 18:33:27,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:33:27,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:33:27,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840614907] [2021-01-06 18:33:27,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:33:27,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:33:27,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:33:27,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:33:27,485 INFO L87 Difference]: Start difference. First operand 580576 states and 1080241 transitions. Second operand 6 states.