/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_spec14_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:19:19,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:19:19,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:19:19,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:19:19,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:19:19,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:19:19,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:19:19,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:19:19,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:19:19,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:19:19,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:19:19,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:19:19,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:19:19,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:19:19,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:19:19,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:19:19,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:19:19,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:19:19,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:19:19,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:19:19,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:19:19,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:19:19,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:19:19,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:19:19,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:19:19,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:19:19,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:19:19,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:19:19,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:19:19,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:19:19,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:19:19,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:19:19,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:19:19,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:19:19,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:19:19,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:19:19,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:19:19,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:19:19,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:19:19,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:19:19,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:19:19,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:19:19,194 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:19:19,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:19:19,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:19:19,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:19:19,197 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:19:19,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:19:19,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:19:19,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:19:19,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:19:19,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:19:19,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:19:19,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:19:19,199 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:19:19,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:19:19,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:19:19,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:19:19,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:19:19,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:19:19,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:19:19,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:19:19,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:19:19,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:19:19,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:19:19,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:19:19,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:19:19,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:19:19,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:19:19,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:19:19,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:19:19,640 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:19:19,641 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:19:19,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec14_product19.cil.c [2020-12-23 08:19:19,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/05627a2eb/9472ec13f7ee450b9e96e58e07c4897d/FLAG15f734167 [2020-12-23 08:19:20,591 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:19:20,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product19.cil.c [2020-12-23 08:19:20,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/05627a2eb/9472ec13f7ee450b9e96e58e07c4897d/FLAG15f734167 [2020-12-23 08:19:20,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/05627a2eb/9472ec13f7ee450b9e96e58e07c4897d [2020-12-23 08:19:20,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:19:20,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:19:20,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:19:20,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:19:20,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:19:20,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:19:20" (1/1) ... [2020-12-23 08:19:20,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2699d75f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:19:20, skipping insertion in model container [2020-12-23 08:19:20,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:19:20" (1/1) ... [2020-12-23 08:19:20,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:19:20,899 INFO L178 MainTranslator]: Built tables and reachable declarations 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~0,] 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~0,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~weight~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[~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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] 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[~tmp___2~0,] 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[~tmp___1~0,] 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[~tmp___0~0,] 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[~tmp~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] 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[~tmp___3~1,] 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[~tmp___2~1,] 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[~tmp___1~1,] 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[~tmp___0~1,] 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[~tmp___9~0,] 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[~tmp___8~0,] 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[~tmp___7~0,] 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[~tmp___6~0,] 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[~tmp___5~0,] 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[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] 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_tmp6~0,] 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_tmp9~0,] 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[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~i~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[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] 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~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[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~6,] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~7,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] 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_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] 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_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] 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_tmp6~1,] 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_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] 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[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] 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[~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_tmp6~2,] 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_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] 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[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] 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~17,] 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_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] 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[~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_tmp14~4,] 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_tmp15~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~1,] 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_tmp17~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__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_tmp6~3,] 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_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] 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~18,] 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_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] 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[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] [2020-12-23 08:19:21,596 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_spec14_product19.cil.c[48901,48914] left hand side expression in assignment: lhs: VariableLHS[~nd~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[~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[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~maxLength~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] 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___0~12,] left hand side expression in assignment: lhs: VariableLHS[~action~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~8,] left hand side expression in assignment: lhs: VariableLHS[~origin~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~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~29,] [2020-12-23 08:19:21,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:19:21,693 INFO L203 MainTranslator]: Completed pre-run 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~0,] 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~0,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~weight~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[~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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] 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[~tmp___2~0,] 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[~tmp___1~0,] 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[~tmp___0~0,] 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[~tmp~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] 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[~tmp___3~1,] 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[~tmp___2~1,] 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[~tmp___1~1,] 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[~tmp___0~1,] 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[~tmp___9~0,] 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[~tmp___8~0,] 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[~tmp___7~0,] 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[~tmp___6~0,] 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[~tmp___5~0,] 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[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] 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_tmp6~0,] 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_tmp9~0,] 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[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~i~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[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] 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~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[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~6,] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~7,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] 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_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] 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_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] 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_tmp6~1,] 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_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] 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[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] 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[~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_tmp6~2,] 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_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] 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[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] 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~17,] 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_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] 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[~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_tmp14~4,] 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_tmp15~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~1,] 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_tmp17~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__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_tmp6~3,] 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_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] 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~18,] 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_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] 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[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] [2020-12-23 08:19:21,869 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_spec14_product19.cil.c[48901,48914] left hand side expression in assignment: lhs: VariableLHS[~nd~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[~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[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~maxLength~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] 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___0~12,] left hand side expression in assignment: lhs: VariableLHS[~action~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~8,] left hand side expression in assignment: lhs: VariableLHS[~origin~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~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~29,] [2020-12-23 08:19:21,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:19:21,961 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:19:21,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:19:21 WrapperNode [2020-12-23 08:19:21,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:19:21,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:19:21,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:19:21,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:19:21,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:19:21" (1/1) ... [2020-12-23 08:19:22,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:19:21" (1/1) ... [2020-12-23 08:19:22,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:19:22,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:19:22,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:19:22,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:19:22,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:19:21" (1/1) ... [2020-12-23 08:19:22,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:19:21" (1/1) ... [2020-12-23 08:19:22,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:19:21" (1/1) ... [2020-12-23 08:19:22,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:19:21" (1/1) ... [2020-12-23 08:19:22,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:19:21" (1/1) ... [2020-12-23 08:19:22,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:19:21" (1/1) ... [2020-12-23 08:19:23,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:19:21" (1/1) ... [2020-12-23 08:19:23,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:19:23,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:19:23,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:19:23,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:19:23,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:19:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:19:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:19:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:19:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:19:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:19:35,144 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:19:35,148 INFO L299 CfgBuilder]: Removed 1383 assume(true) statements. [2020-12-23 08:19:35,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:19:35 BoogieIcfgContainer [2020-12-23 08:19:35,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:19:35,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:19:35,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:19:35,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:19:35,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:19:20" (1/3) ... [2020-12-23 08:19:35,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b24cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:19:35, skipping insertion in model container [2020-12-23 08:19:35,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:19:21" (2/3) ... [2020-12-23 08:19:35,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b24cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:19:35, skipping insertion in model container [2020-12-23 08:19:35,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:19:35" (3/3) ... [2020-12-23 08:19:35,169 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product19.cil.c [2020-12-23 08:19:35,176 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:19:35,184 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-12-23 08:19:35,206 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-12-23 08:19:35,254 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:19:35,254 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:19:35,255 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:19:35,255 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:19:35,255 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:19:35,255 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:19:35,255 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:19:35,255 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:19:35,342 INFO L276 IsEmpty]: Start isEmpty. Operand 5907 states. [2020-12-23 08:19:35,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 08:19:35,361 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:19:35,362 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:19:35,363 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]=== [2020-12-23 08:19:35,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:19:35,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1814038652, now seen corresponding path program 1 times [2020-12-23 08:19:35,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:19:35,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190729081] [2020-12-23 08:19:35,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:19:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:19:35,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:19:35,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190729081] [2020-12-23 08:19:35,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:19:35,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:19:35,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528390115] [2020-12-23 08:19:35,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:19:35,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:19:35,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:19:35,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:19:35,890 INFO L87 Difference]: Start difference. First operand 5907 states. Second operand 3 states. [2020-12-23 08:19:36,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:19:36,380 INFO L93 Difference]: Finished difference Result 14198 states and 26762 transitions. [2020-12-23 08:19:36,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:19:36,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-12-23 08:19:36,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:19:36,452 INFO L225 Difference]: With dead ends: 14198 [2020-12-23 08:19:36,453 INFO L226 Difference]: Without dead ends: 8295 [2020-12-23 08:19:36,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:19:36,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8295 states. [2020-12-23 08:19:36,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8295 to 5903. [2020-12-23 08:19:36,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5903 states. [2020-12-23 08:19:36,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5903 states to 5903 states and 11114 transitions. [2020-12-23 08:19:36,892 INFO L78 Accepts]: Start accepts. Automaton has 5903 states and 11114 transitions. Word has length 44 [2020-12-23 08:19:36,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:19:36,893 INFO L481 AbstractCegarLoop]: Abstraction has 5903 states and 11114 transitions. [2020-12-23 08:19:36,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:19:36,893 INFO L276 IsEmpty]: Start isEmpty. Operand 5903 states and 11114 transitions. [2020-12-23 08:19:36,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 08:19:36,897 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:19:36,898 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] [2020-12-23 08:19:36,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:19:36,899 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]=== [2020-12-23 08:19:36,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:19:36,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1234164848, now seen corresponding path program 1 times [2020-12-23 08:19:36,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:19:36,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405932112] [2020-12-23 08:19:36,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:19:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:19:37,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:19:37,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405932112] [2020-12-23 08:19:37,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:19:37,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:19:37,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161293119] [2020-12-23 08:19:37,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:19:37,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:19:37,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:19:37,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:19:37,224 INFO L87 Difference]: Start difference. First operand 5903 states and 11114 transitions. Second operand 4 states. [2020-12-23 08:19:37,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:19:37,849 INFO L93 Difference]: Finished difference Result 16479 states and 31026 transitions. [2020-12-23 08:19:37,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:19:37,850 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-12-23 08:19:37,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:19:37,922 INFO L225 Difference]: With dead ends: 16479 [2020-12-23 08:19:37,922 INFO L226 Difference]: Without dead ends: 10597 [2020-12-23 08:19:37,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:19:37,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10597 states. [2020-12-23 08:19:38,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10597 to 5879. [2020-12-23 08:19:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5879 states. [2020-12-23 08:19:38,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 5879 states and 11061 transitions. [2020-12-23 08:19:38,339 INFO L78 Accepts]: Start accepts. Automaton has 5879 states and 11061 transitions. Word has length 49 [2020-12-23 08:19:38,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:19:38,340 INFO L481 AbstractCegarLoop]: Abstraction has 5879 states and 11061 transitions. [2020-12-23 08:19:38,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:19:38,340 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 11061 transitions. [2020-12-23 08:19:38,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 08:19:38,346 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:19:38,346 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] [2020-12-23 08:19:38,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:19:38,346 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]=== [2020-12-23 08:19:38,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:19:38,349 INFO L82 PathProgramCache]: Analyzing trace with hash -396578672, now seen corresponding path program 1 times [2020-12-23 08:19:38,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:19:38,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135479854] [2020-12-23 08:19:38,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:19:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:19:38,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:19:38,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135479854] [2020-12-23 08:19:38,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:19:38,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:19:38,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694570454] [2020-12-23 08:19:38,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:19:38,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:19:38,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:19:38,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:19:38,496 INFO L87 Difference]: Start difference. First operand 5879 states and 11061 transitions. Second operand 4 states. [2020-12-23 08:19:39,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:19:39,169 INFO L93 Difference]: Finished difference Result 18814 states and 35406 transitions. [2020-12-23 08:19:39,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:19:39,169 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-12-23 08:19:39,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:19:39,249 INFO L225 Difference]: With dead ends: 18814 [2020-12-23 08:19:39,249 INFO L226 Difference]: Without dead ends: 12956 [2020-12-23 08:19:39,265 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 [2020-12-23 08:19:39,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12956 states. [2020-12-23 08:19:39,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12956 to 5879. [2020-12-23 08:19:39,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5879 states. [2020-12-23 08:19:39,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 5879 states and 11060 transitions. [2020-12-23 08:19:39,632 INFO L78 Accepts]: Start accepts. Automaton has 5879 states and 11060 transitions. Word has length 50 [2020-12-23 08:19:39,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:19:39,632 INFO L481 AbstractCegarLoop]: Abstraction has 5879 states and 11060 transitions. [2020-12-23 08:19:39,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:19:39,632 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 11060 transitions. [2020-12-23 08:19:39,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 08:19:39,635 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:19:39,635 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] [2020-12-23 08:19:39,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:19:39,636 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]=== [2020-12-23 08:19:39,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:19:39,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1994651629, now seen corresponding path program 1 times [2020-12-23 08:19:39,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:19:39,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269181823] [2020-12-23 08:19:39,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:19:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:19:39,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:19:39,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269181823] [2020-12-23 08:19:39,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:19:39,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:19:39,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581198177] [2020-12-23 08:19:39,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:19:39,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:19:39,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:19:39,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:19:39,732 INFO L87 Difference]: Start difference. First operand 5879 states and 11060 transitions. Second operand 4 states. [2020-12-23 08:19:40,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:19:40,255 INFO L93 Difference]: Finished difference Result 14102 states and 26541 transitions. [2020-12-23 08:19:40,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:19:40,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-12-23 08:19:40,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:19:40,278 INFO L225 Difference]: With dead ends: 14102 [2020-12-23 08:19:40,278 INFO L226 Difference]: Without dead ends: 8244 [2020-12-23 08:19:40,290 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 [2020-12-23 08:19:40,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8244 states. [2020-12-23 08:19:40,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8244 to 5879. [2020-12-23 08:19:40,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5879 states. [2020-12-23 08:19:40,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 5879 states and 11054 transitions. [2020-12-23 08:19:40,497 INFO L78 Accepts]: Start accepts. Automaton has 5879 states and 11054 transitions. Word has length 51 [2020-12-23 08:19:40,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:19:40,497 INFO L481 AbstractCegarLoop]: Abstraction has 5879 states and 11054 transitions. [2020-12-23 08:19:40,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:19:40,497 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 11054 transitions. [2020-12-23 08:19:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 08:19:40,499 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:19:40,500 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] [2020-12-23 08:19:40,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:19:40,500 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]=== [2020-12-23 08:19:40,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:19:40,501 INFO L82 PathProgramCache]: Analyzing trace with hash 42164149, now seen corresponding path program 1 times [2020-12-23 08:19:40,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:19:40,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904064987] [2020-12-23 08:19:40,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:19:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:19:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:19:40,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904064987] [2020-12-23 08:19:40,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:19:40,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:19:40,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525482945] [2020-12-23 08:19:40,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:19:40,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:19:40,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:19:40,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:19:40,576 INFO L87 Difference]: Start difference. First operand 5879 states and 11054 transitions. Second operand 4 states. [2020-12-23 08:19:41,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:19:41,050 INFO L93 Difference]: Finished difference Result 14102 states and 26529 transitions. [2020-12-23 08:19:41,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:19:41,051 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-12-23 08:19:41,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:19:41,072 INFO L225 Difference]: With dead ends: 14102 [2020-12-23 08:19:41,073 INFO L226 Difference]: Without dead ends: 8244 [2020-12-23 08:19:41,084 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 [2020-12-23 08:19:41,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8244 states. [2020-12-23 08:19:41,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8244 to 5879. [2020-12-23 08:19:41,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5879 states. [2020-12-23 08:19:41,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 5879 states and 11048 transitions. [2020-12-23 08:19:41,283 INFO L78 Accepts]: Start accepts. Automaton has 5879 states and 11048 transitions. Word has length 52 [2020-12-23 08:19:41,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:19:41,284 INFO L481 AbstractCegarLoop]: Abstraction has 5879 states and 11048 transitions. [2020-12-23 08:19:41,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:19:41,284 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 11048 transitions. [2020-12-23 08:19:41,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 08:19:41,286 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:19:41,287 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:19:41,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:19:41,287 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]=== [2020-12-23 08:19:41,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:19:41,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1203586280, now seen corresponding path program 1 times [2020-12-23 08:19:41,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:19:41,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621865387] [2020-12-23 08:19:41,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:19:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:19:41,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:19:41,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621865387] [2020-12-23 08:19:41,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:19:41,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:19:41,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541418576] [2020-12-23 08:19:41,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:19:41,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:19:41,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:19:41,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:19:41,432 INFO L87 Difference]: Start difference. First operand 5879 states and 11048 transitions. Second operand 4 states. [2020-12-23 08:19:41,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:19:41,830 INFO L93 Difference]: Finished difference Result 14102 states and 26517 transitions. [2020-12-23 08:19:41,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:19:41,830 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-12-23 08:19:41,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:19:41,854 INFO L225 Difference]: With dead ends: 14102 [2020-12-23 08:19:41,855 INFO L226 Difference]: Without dead ends: 8244 [2020-12-23 08:19:41,866 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 [2020-12-23 08:19:41,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8244 states. [2020-12-23 08:19:42,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8244 to 5879. [2020-12-23 08:19:42,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5879 states. [2020-12-23 08:19:42,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 5879 states and 11042 transitions. [2020-12-23 08:19:42,174 INFO L78 Accepts]: Start accepts. Automaton has 5879 states and 11042 transitions. Word has length 53 [2020-12-23 08:19:42,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:19:42,174 INFO L481 AbstractCegarLoop]: Abstraction has 5879 states and 11042 transitions. [2020-12-23 08:19:42,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:19:42,174 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 11042 transitions. [2020-12-23 08:19:42,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 08:19:42,177 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:19:42,177 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] [2020-12-23 08:19:42,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:19:42,178 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]=== [2020-12-23 08:19:42,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:19:42,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1129674022, now seen corresponding path program 1 times [2020-12-23 08:19:42,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:19:42,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226882991] [2020-12-23 08:19:42,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:19:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:19:42,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:19:42,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226882991] [2020-12-23 08:19:42,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:19:42,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:19:42,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814373481] [2020-12-23 08:19:42,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:19:42,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:19:42,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:19:42,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:19:42,289 INFO L87 Difference]: Start difference. First operand 5879 states and 11042 transitions. Second operand 4 states. [2020-12-23 08:19:42,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:19:42,746 INFO L93 Difference]: Finished difference Result 14102 states and 26505 transitions. [2020-12-23 08:19:42,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:19:42,747 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-12-23 08:19:42,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:19:42,772 INFO L225 Difference]: With dead ends: 14102 [2020-12-23 08:19:42,772 INFO L226 Difference]: Without dead ends: 8244 [2020-12-23 08:19:42,784 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 [2020-12-23 08:19:42,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8244 states. [2020-12-23 08:19:43,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8244 to 5879. [2020-12-23 08:19:43,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5879 states. [2020-12-23 08:19:43,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 5879 states and 11036 transitions. [2020-12-23 08:19:43,144 INFO L78 Accepts]: Start accepts. Automaton has 5879 states and 11036 transitions. Word has length 54 [2020-12-23 08:19:43,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:19:43,144 INFO L481 AbstractCegarLoop]: Abstraction has 5879 states and 11036 transitions. [2020-12-23 08:19:43,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:19:43,144 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 11036 transitions. [2020-12-23 08:19:43,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 08:19:43,147 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:19:43,147 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:19:43,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:19:43,147 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]=== [2020-12-23 08:19:43,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:19:43,148 INFO L82 PathProgramCache]: Analyzing trace with hash 355070367, now seen corresponding path program 1 times [2020-12-23 08:19:43,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:19:43,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340216587] [2020-12-23 08:19:43,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:19:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:19:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:19:43,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340216587] [2020-12-23 08:19:43,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:19:43,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:19:43,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743226628] [2020-12-23 08:19:43,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:19:43,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:19:43,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:19:43,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:19:43,254 INFO L87 Difference]: Start difference. First operand 5879 states and 11036 transitions. Second operand 3 states. [2020-12-23 08:19:43,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:19:43,536 INFO L93 Difference]: Finished difference Result 14093 states and 26482 transitions. [2020-12-23 08:19:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:19:43,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-23 08:19:43,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:19:43,560 INFO L225 Difference]: With dead ends: 14093 [2020-12-23 08:19:43,560 INFO L226 Difference]: Without dead ends: 8235 [2020-12-23 08:19:43,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:19:43,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8235 states. [2020-12-23 08:19:43,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8235 to 5879. [2020-12-23 08:19:43,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5879 states. [2020-12-23 08:19:43,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 5879 states and 11035 transitions. [2020-12-23 08:19:43,890 INFO L78 Accepts]: Start accepts. Automaton has 5879 states and 11035 transitions. Word has length 55 [2020-12-23 08:19:43,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:19:43,892 INFO L481 AbstractCegarLoop]: Abstraction has 5879 states and 11035 transitions. [2020-12-23 08:19:43,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:19:43,892 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 11035 transitions. [2020-12-23 08:19:43,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 08:19:43,894 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:19:43,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:19:43,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:19:43,895 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]=== [2020-12-23 08:19:43,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:19:43,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1199075869, now seen corresponding path program 1 times [2020-12-23 08:19:43,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:19:43,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17939556] [2020-12-23 08:19:43,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:19:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:19:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:19:43,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17939556] [2020-12-23 08:19:43,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:19:43,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:19:43,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331958790] [2020-12-23 08:19:43,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:19:43,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:19:43,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:19:43,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:19:43,975 INFO L87 Difference]: Start difference. First operand 5879 states and 11035 transitions. Second operand 4 states. [2020-12-23 08:19:44,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:19:44,530 INFO L93 Difference]: Finished difference Result 16437 states and 30891 transitions. [2020-12-23 08:19:44,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:19:44,531 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2020-12-23 08:19:44,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:19:44,557 INFO L225 Difference]: With dead ends: 16437 [2020-12-23 08:19:44,558 INFO L226 Difference]: Without dead ends: 10585 [2020-12-23 08:19:44,566 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:19:44,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10585 states. [2020-12-23 08:19:44,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10585 to 5881. [2020-12-23 08:19:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5881 states. [2020-12-23 08:19:44,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5881 states to 5881 states and 11036 transitions. [2020-12-23 08:19:44,785 INFO L78 Accepts]: Start accepts. Automaton has 5881 states and 11036 transitions. Word has length 55 [2020-12-23 08:19:44,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:19:44,790 INFO L481 AbstractCegarLoop]: Abstraction has 5881 states and 11036 transitions. [2020-12-23 08:19:44,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:19:44,790 INFO L276 IsEmpty]: Start isEmpty. Operand 5881 states and 11036 transitions. [2020-12-23 08:19:44,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 08:19:44,792 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:19:44,792 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:19:44,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:19:44,792 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]=== [2020-12-23 08:19:44,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:19:44,793 INFO L82 PathProgramCache]: Analyzing trace with hash 136095439, now seen corresponding path program 1 times [2020-12-23 08:19:44,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:19:44,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306260743] [2020-12-23 08:19:44,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:19:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:19:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:19:44,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306260743] [2020-12-23 08:19:44,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:19:44,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:19:44,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010892427] [2020-12-23 08:19:44,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:19:44,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:19:44,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:19:44,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:19:44,929 INFO L87 Difference]: Start difference. First operand 5881 states and 11036 transitions. Second operand 4 states. [2020-12-23 08:19:47,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:19:47,891 INFO L93 Difference]: Finished difference Result 16329 states and 30800 transitions. [2020-12-23 08:19:47,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:19:47,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2020-12-23 08:19:47,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:19:47,919 INFO L225 Difference]: With dead ends: 16329 [2020-12-23 08:19:47,920 INFO L226 Difference]: Without dead ends: 10481 [2020-12-23 08:19:47,928 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 [2020-12-23 08:19:47,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10481 states. [2020-12-23 08:19:48,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10481 to 5881. [2020-12-23 08:19:48,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5881 states. [2020-12-23 08:19:48,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5881 states to 5881 states and 11016 transitions. [2020-12-23 08:19:48,182 INFO L78 Accepts]: Start accepts. Automaton has 5881 states and 11016 transitions. Word has length 56 [2020-12-23 08:19:48,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:19:48,182 INFO L481 AbstractCegarLoop]: Abstraction has 5881 states and 11016 transitions. [2020-12-23 08:19:48,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:19:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 5881 states and 11016 transitions. [2020-12-23 08:19:48,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 08:19:48,185 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:19:48,186 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:19:48,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:19:48,186 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]=== [2020-12-23 08:19:48,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:19:48,186 INFO L82 PathProgramCache]: Analyzing trace with hash -284392923, now seen corresponding path program 1 times [2020-12-23 08:19:48,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:19:48,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090432259] [2020-12-23 08:19:48,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:19:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:19:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:19:48,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090432259] [2020-12-23 08:19:48,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:19:48,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:19:48,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303581346] [2020-12-23 08:19:48,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:19:48,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:19:48,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:19:48,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:19:48,299 INFO L87 Difference]: Start difference. First operand 5881 states and 11016 transitions. Second operand 4 states. [2020-12-23 08:19:51,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:19:51,021 INFO L93 Difference]: Finished difference Result 16329 states and 30761 transitions. [2020-12-23 08:19:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:19:51,022 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-12-23 08:19:51,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:19:51,053 INFO L225 Difference]: With dead ends: 16329 [2020-12-23 08:19:51,054 INFO L226 Difference]: Without dead ends: 10481 [2020-12-23 08:19:51,065 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 [2020-12-23 08:19:51,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10481 states. [2020-12-23 08:19:51,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10481 to 5881. [2020-12-23 08:19:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5881 states. [2020-12-23 08:19:51,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5881 states to 5881 states and 10996 transitions. [2020-12-23 08:19:51,330 INFO L78 Accepts]: Start accepts. Automaton has 5881 states and 10996 transitions. Word has length 59 [2020-12-23 08:19:51,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:19:51,330 INFO L481 AbstractCegarLoop]: Abstraction has 5881 states and 10996 transitions. [2020-12-23 08:19:51,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:19:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 5881 states and 10996 transitions. [2020-12-23 08:19:51,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 08:19:51,336 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:19:51,337 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:19:51,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 08:19:51,337 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]=== [2020-12-23 08:19:51,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:19:51,338 INFO L82 PathProgramCache]: Analyzing trace with hash 2090242100, now seen corresponding path program 1 times [2020-12-23 08:19:51,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:19:51,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038269556] [2020-12-23 08:19:51,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:19:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:19:51,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:19:51,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038269556] [2020-12-23 08:19:51,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:19:51,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:19:51,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968210165] [2020-12-23 08:19:51,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:19:51,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:19:51,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:19:51,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:19:51,442 INFO L87 Difference]: Start difference. First operand 5881 states and 10996 transitions. Second operand 4 states. [2020-12-23 08:19:54,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:19:54,262 INFO L93 Difference]: Finished difference Result 16329 states and 30722 transitions. [2020-12-23 08:19:54,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:19:54,263 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2020-12-23 08:19:54,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:19:54,282 INFO L225 Difference]: With dead ends: 16329 [2020-12-23 08:19:54,282 INFO L226 Difference]: Without dead ends: 10481 [2020-12-23 08:19:54,289 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 [2020-12-23 08:19:54,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10481 states. [2020-12-23 08:19:54,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10481 to 5881. [2020-12-23 08:19:54,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5881 states. [2020-12-23 08:19:54,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5881 states to 5881 states and 10976 transitions. [2020-12-23 08:19:54,541 INFO L78 Accepts]: Start accepts. Automaton has 5881 states and 10976 transitions. Word has length 62 [2020-12-23 08:19:54,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:19:54,541 INFO L481 AbstractCegarLoop]: Abstraction has 5881 states and 10976 transitions. [2020-12-23 08:19:54,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:19:54,542 INFO L276 IsEmpty]: Start isEmpty. Operand 5881 states and 10976 transitions. [2020-12-23 08:19:54,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 08:19:54,544 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:19:54,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:19:54,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:19:54,545 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]=== [2020-12-23 08:19:54,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:19:54,546 INFO L82 PathProgramCache]: Analyzing trace with hash 60860736, now seen corresponding path program 1 times [2020-12-23 08:19:54,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:19:54,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965901596] [2020-12-23 08:19:54,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:19:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:19:54,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:19:54,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965901596] [2020-12-23 08:19:54,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:19:54,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:19:54,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006283785] [2020-12-23 08:19:54,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:19:54,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:19:54,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:19:54,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:19:54,640 INFO L87 Difference]: Start difference. First operand 5881 states and 10976 transitions. Second operand 4 states. [2020-12-23 08:19:57,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:19:57,266 INFO L93 Difference]: Finished difference Result 16329 states and 30683 transitions. [2020-12-23 08:19:57,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:19:57,266 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2020-12-23 08:19:57,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:19:57,284 INFO L225 Difference]: With dead ends: 16329 [2020-12-23 08:19:57,285 INFO L226 Difference]: Without dead ends: 10481 [2020-12-23 08:19:57,293 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 [2020-12-23 08:19:57,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10481 states. [2020-12-23 08:19:57,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10481 to 5881. [2020-12-23 08:19:57,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5881 states. [2020-12-23 08:19:57,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5881 states to 5881 states and 10956 transitions. [2020-12-23 08:19:57,555 INFO L78 Accepts]: Start accepts. Automaton has 5881 states and 10956 transitions. Word has length 65 [2020-12-23 08:19:57,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:19:57,555 INFO L481 AbstractCegarLoop]: Abstraction has 5881 states and 10956 transitions. [2020-12-23 08:19:57,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:19:57,556 INFO L276 IsEmpty]: Start isEmpty. Operand 5881 states and 10956 transitions. [2020-12-23 08:19:57,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:19:57,559 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:19:57,559 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:19:57,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:19:57,559 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]=== [2020-12-23 08:19:57,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:19:57,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1211445735, now seen corresponding path program 1 times [2020-12-23 08:19:57,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:19:57,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256195829] [2020-12-23 08:19:57,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:19:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:19:57,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:19:57,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256195829] [2020-12-23 08:19:57,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:19:57,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:19:57,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182903682] [2020-12-23 08:19:57,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:19:57,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:19:57,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:19:57,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:19:57,675 INFO L87 Difference]: Start difference. First operand 5881 states and 10956 transitions. Second operand 6 states. [2020-12-23 08:20:07,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:20:07,979 INFO L93 Difference]: Finished difference Result 62470 states and 117377 transitions. [2020-12-23 08:20:07,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 08:20:07,980 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-12-23 08:20:07,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:20:08,095 INFO L225 Difference]: With dead ends: 62470 [2020-12-23 08:20:08,095 INFO L226 Difference]: Without dead ends: 56640 [2020-12-23 08:20:08,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-12-23 08:20:08,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56640 states. [2020-12-23 08:20:09,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56640 to 11655. [2020-12-23 08:20:09,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11655 states. [2020-12-23 08:20:09,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11655 states to 11655 states and 21736 transitions. [2020-12-23 08:20:09,247 INFO L78 Accepts]: Start accepts. Automaton has 11655 states and 21736 transitions. Word has length 68 [2020-12-23 08:20:09,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:20:09,247 INFO L481 AbstractCegarLoop]: Abstraction has 11655 states and 21736 transitions. [2020-12-23 08:20:09,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:20:09,247 INFO L276 IsEmpty]: Start isEmpty. Operand 11655 states and 21736 transitions. [2020-12-23 08:20:09,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 08:20:09,254 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:20:09,254 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:20:09,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:20:09,254 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]=== [2020-12-23 08:20:09,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:20:09,255 INFO L82 PathProgramCache]: Analyzing trace with hash -481724487, now seen corresponding path program 1 times [2020-12-23 08:20:09,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:20:09,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965346508] [2020-12-23 08:20:09,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:20:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:20:09,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:20:09,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965346508] [2020-12-23 08:20:09,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:20:09,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:20:09,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402322070] [2020-12-23 08:20:09,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:20:09,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:20:09,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:20:09,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:20:09,329 INFO L87 Difference]: Start difference. First operand 11655 states and 21736 transitions. Second operand 5 states. [2020-12-23 08:20:16,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:20:16,936 INFO L93 Difference]: Finished difference Result 61130 states and 113770 transitions. [2020-12-23 08:20:16,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:20:16,937 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2020-12-23 08:20:16,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:20:17,003 INFO L225 Difference]: With dead ends: 61130 [2020-12-23 08:20:17,003 INFO L226 Difference]: Without dead ends: 49567 [2020-12-23 08:20:17,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:20:17,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49567 states. [2020-12-23 08:20:18,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49567 to 16361. [2020-12-23 08:20:18,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16361 states. [2020-12-23 08:20:18,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16361 states to 16361 states and 30496 transitions. [2020-12-23 08:20:18,166 INFO L78 Accepts]: Start accepts. Automaton has 16361 states and 30496 transitions. Word has length 70 [2020-12-23 08:20:18,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:20:18,166 INFO L481 AbstractCegarLoop]: Abstraction has 16361 states and 30496 transitions. [2020-12-23 08:20:18,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:20:18,167 INFO L276 IsEmpty]: Start isEmpty. Operand 16361 states and 30496 transitions. [2020-12-23 08:20:18,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 08:20:18,171 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:20:18,172 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:20:18,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:20:18,172 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]=== [2020-12-23 08:20:18,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:20:18,173 INFO L82 PathProgramCache]: Analyzing trace with hash -821589140, now seen corresponding path program 1 times [2020-12-23 08:20:18,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:20:18,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563473102] [2020-12-23 08:20:18,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:20:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:20:18,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:20:18,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563473102] [2020-12-23 08:20:18,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:20:18,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:20:18,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799952521] [2020-12-23 08:20:18,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:20:18,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:20:18,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:20:18,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:20:18,241 INFO L87 Difference]: Start difference. First operand 16361 states and 30496 transitions. Second operand 4 states. [2020-12-23 08:20:25,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:20:25,429 INFO L93 Difference]: Finished difference Result 66925 states and 125212 transitions. [2020-12-23 08:20:25,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:20:25,429 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 71 [2020-12-23 08:20:25,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:20:25,506 INFO L225 Difference]: With dead ends: 66925 [2020-12-23 08:20:25,507 INFO L226 Difference]: Without dead ends: 50617 [2020-12-23 08:20:25,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:20:25,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50617 states. [2020-12-23 08:20:26,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50617 to 28007. [2020-12-23 08:20:26,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28007 states. [2020-12-23 08:20:26,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28007 states to 28007 states and 51680 transitions. [2020-12-23 08:20:26,827 INFO L78 Accepts]: Start accepts. Automaton has 28007 states and 51680 transitions. Word has length 71 [2020-12-23 08:20:26,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:20:26,827 INFO L481 AbstractCegarLoop]: Abstraction has 28007 states and 51680 transitions. [2020-12-23 08:20:26,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:20:26,827 INFO L276 IsEmpty]: Start isEmpty. Operand 28007 states and 51680 transitions. [2020-12-23 08:20:26,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 08:20:26,831 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:20:26,831 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:20:26,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:20:26,832 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]=== [2020-12-23 08:20:26,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:20:26,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1922195983, now seen corresponding path program 1 times [2020-12-23 08:20:26,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:20:26,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960274929] [2020-12-23 08:20:26,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:20:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:20:26,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:20:26,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960274929] [2020-12-23 08:20:26,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:20:26,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:20:26,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636839828] [2020-12-23 08:20:26,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:20:26,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:20:26,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:20:26,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:20:26,900 INFO L87 Difference]: Start difference. First operand 28007 states and 51680 transitions. Second operand 5 states. [2020-12-23 08:20:28,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:20:28,377 INFO L93 Difference]: Finished difference Result 59120 states and 109184 transitions. [2020-12-23 08:20:28,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:20:28,378 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2020-12-23 08:20:28,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:20:28,418 INFO L225 Difference]: With dead ends: 59120 [2020-12-23 08:20:28,418 INFO L226 Difference]: Without dead ends: 31137 [2020-12-23 08:20:28,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:20:28,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31137 states. [2020-12-23 08:20:29,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31137 to 18261. [2020-12-23 08:20:29,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18261 states. [2020-12-23 08:20:29,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18261 states to 18261 states and 33712 transitions. [2020-12-23 08:20:29,317 INFO L78 Accepts]: Start accepts. Automaton has 18261 states and 33712 transitions. Word has length 71 [2020-12-23 08:20:29,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:20:29,317 INFO L481 AbstractCegarLoop]: Abstraction has 18261 states and 33712 transitions. [2020-12-23 08:20:29,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:20:29,317 INFO L276 IsEmpty]: Start isEmpty. Operand 18261 states and 33712 transitions. [2020-12-23 08:20:29,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 08:20:29,320 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:20:29,320 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:20:29,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:20:29,320 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]=== [2020-12-23 08:20:29,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:20:29,321 INFO L82 PathProgramCache]: Analyzing trace with hash -852217116, now seen corresponding path program 1 times [2020-12-23 08:20:29,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:20:29,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105015353] [2020-12-23 08:20:29,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:20:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:20:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:20:29,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105015353] [2020-12-23 08:20:29,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:20:29,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:20:29,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377246037] [2020-12-23 08:20:29,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:20:29,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:20:29,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:20:29,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:20:29,398 INFO L87 Difference]: Start difference. First operand 18261 states and 33712 transitions. Second operand 5 states. [2020-12-23 08:20:35,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:20:35,389 INFO L93 Difference]: Finished difference Result 148170 states and 273995 transitions. [2020-12-23 08:20:35,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:20:35,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-12-23 08:20:35,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:20:35,623 INFO L225 Difference]: With dead ends: 148170 [2020-12-23 08:20:35,623 INFO L226 Difference]: Without dead ends: 129952 [2020-12-23 08:20:35,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:20:35,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129952 states. [2020-12-23 08:20:37,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129952 to 35429. [2020-12-23 08:20:37,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35429 states. [2020-12-23 08:20:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35429 states to 35429 states and 65375 transitions. [2020-12-23 08:20:37,937 INFO L78 Accepts]: Start accepts. Automaton has 35429 states and 65375 transitions. Word has length 73 [2020-12-23 08:20:37,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:20:37,938 INFO L481 AbstractCegarLoop]: Abstraction has 35429 states and 65375 transitions. [2020-12-23 08:20:37,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:20:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 35429 states and 65375 transitions. [2020-12-23 08:20:37,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 08:20:37,941 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:20:37,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:20:37,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:20:37,941 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]=== [2020-12-23 08:20:37,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:20:37,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1696222618, now seen corresponding path program 1 times [2020-12-23 08:20:37,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:20:37,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236155235] [2020-12-23 08:20:37,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:20:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:20:38,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:20:38,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236155235] [2020-12-23 08:20:38,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:20:38,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:20:38,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198623042] [2020-12-23 08:20:38,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:20:38,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:20:38,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:20:38,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:20:38,026 INFO L87 Difference]: Start difference. First operand 35429 states and 65375 transitions. Second operand 6 states. [2020-12-23 08:20:45,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:20:45,108 INFO L93 Difference]: Finished difference Result 103023 states and 191301 transitions. [2020-12-23 08:20:45,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 08:20:45,109 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2020-12-23 08:20:45,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:20:45,252 INFO L225 Difference]: With dead ends: 103023 [2020-12-23 08:20:45,253 INFO L226 Difference]: Without dead ends: 83867 [2020-12-23 08:20:45,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-12-23 08:20:45,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83867 states. [2020-12-23 08:20:47,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83867 to 35429. [2020-12-23 08:20:47,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35429 states. [2020-12-23 08:20:47,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35429 states to 35429 states and 65327 transitions. [2020-12-23 08:20:47,234 INFO L78 Accepts]: Start accepts. Automaton has 35429 states and 65327 transitions. Word has length 73 [2020-12-23 08:20:47,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:20:47,234 INFO L481 AbstractCegarLoop]: Abstraction has 35429 states and 65327 transitions. [2020-12-23 08:20:47,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:20:47,234 INFO L276 IsEmpty]: Start isEmpty. Operand 35429 states and 65327 transitions. [2020-12-23 08:20:47,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:20:47,237 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:20:47,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:20:47,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:20:47,237 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]=== [2020-12-23 08:20:47,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:20:47,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1324389536, now seen corresponding path program 1 times [2020-12-23 08:20:47,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:20:47,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264681518] [2020-12-23 08:20:47,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:20:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:20:47,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:20:47,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264681518] [2020-12-23 08:20:47,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:20:47,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:20:47,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463987926] [2020-12-23 08:20:47,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:20:47,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:20:47,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:20:47,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:20:47,313 INFO L87 Difference]: Start difference. First operand 35429 states and 65327 transitions. Second operand 5 states. [2020-12-23 08:20:52,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:20:52,301 INFO L93 Difference]: Finished difference Result 135631 states and 250763 transitions. [2020-12-23 08:20:52,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:20:52,302 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2020-12-23 08:20:52,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:20:52,484 INFO L225 Difference]: With dead ends: 135631 [2020-12-23 08:20:52,485 INFO L226 Difference]: Without dead ends: 116472 [2020-12-23 08:20:52,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:20:52,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116472 states. [2020-12-23 08:20:55,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116472 to 53217. [2020-12-23 08:20:55,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53217 states. [2020-12-23 08:20:55,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53217 states to 53217 states and 97968 transitions. [2020-12-23 08:20:55,533 INFO L78 Accepts]: Start accepts. Automaton has 53217 states and 97968 transitions. Word has length 75 [2020-12-23 08:20:55,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:20:55,533 INFO L481 AbstractCegarLoop]: Abstraction has 53217 states and 97968 transitions. [2020-12-23 08:20:55,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:20:55,533 INFO L276 IsEmpty]: Start isEmpty. Operand 53217 states and 97968 transitions. [2020-12-23 08:20:55,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 08:20:55,535 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:20:55,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:20:55,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:20:55,536 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]=== [2020-12-23 08:20:55,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:20:55,536 INFO L82 PathProgramCache]: Analyzing trace with hash -2050122868, now seen corresponding path program 1 times [2020-12-23 08:20:55,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:20:55,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007870019] [2020-12-23 08:20:55,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:20:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:20:55,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:20:55,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007870019] [2020-12-23 08:20:55,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:20:55,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:20:55,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073048275] [2020-12-23 08:20:55,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:20:55,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:20:55,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:20:55,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:20:55,618 INFO L87 Difference]: Start difference. First operand 53217 states and 97968 transitions. Second operand 5 states. [2020-12-23 08:21:00,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:21:00,045 INFO L93 Difference]: Finished difference Result 127441 states and 233675 transitions. [2020-12-23 08:21:00,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:21:00,046 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-12-23 08:21:00,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:21:00,180 INFO L225 Difference]: With dead ends: 127441 [2020-12-23 08:21:00,180 INFO L226 Difference]: Without dead ends: 91681 [2020-12-23 08:21:00,219 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:21:00,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91681 states. [2020-12-23 08:21:03,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91681 to 53328. [2020-12-23 08:21:03,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53328 states. [2020-12-23 08:21:03,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53328 states to 53328 states and 98049 transitions. [2020-12-23 08:21:03,141 INFO L78 Accepts]: Start accepts. Automaton has 53328 states and 98049 transitions. Word has length 77 [2020-12-23 08:21:03,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:21:03,141 INFO L481 AbstractCegarLoop]: Abstraction has 53328 states and 98049 transitions. [2020-12-23 08:21:03,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:21:03,141 INFO L276 IsEmpty]: Start isEmpty. Operand 53328 states and 98049 transitions. [2020-12-23 08:21:03,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 08:21:03,145 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:21:03,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:21:03,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:21:03,145 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:21:03,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:21:03,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1072843900, now seen corresponding path program 1 times [2020-12-23 08:21:03,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:21:03,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249405687] [2020-12-23 08:21:03,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:21:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:21:03,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:21:03,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249405687] [2020-12-23 08:21:03,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:21:03,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:21:03,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16648495] [2020-12-23 08:21:03,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:21:03,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:21:03,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:21:03,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:21:03,220 INFO L87 Difference]: Start difference. First operand 53328 states and 98049 transitions. Second operand 5 states. [2020-12-23 08:21:12,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:21:12,310 INFO L93 Difference]: Finished difference Result 171641 states and 318135 transitions. [2020-12-23 08:21:12,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 08:21:12,311 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2020-12-23 08:21:12,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:21:12,691 INFO L225 Difference]: With dead ends: 171641 [2020-12-23 08:21:12,691 INFO L226 Difference]: Without dead ends: 128520 [2020-12-23 08:21:12,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:21:12,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128520 states. [2020-12-23 08:21:15,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128520 to 53328. [2020-12-23 08:21:15,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53328 states. [2020-12-23 08:21:15,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53328 states to 53328 states and 97397 transitions. [2020-12-23 08:21:15,699 INFO L78 Accepts]: Start accepts. Automaton has 53328 states and 97397 transitions. Word has length 84 [2020-12-23 08:21:15,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:21:15,699 INFO L481 AbstractCegarLoop]: Abstraction has 53328 states and 97397 transitions. [2020-12-23 08:21:15,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:21:15,699 INFO L276 IsEmpty]: Start isEmpty. Operand 53328 states and 97397 transitions. [2020-12-23 08:21:15,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 08:21:15,702 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:21:15,702 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:21:15,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:21:15,703 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:21:15,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:21:15,703 INFO L82 PathProgramCache]: Analyzing trace with hash 2098749639, now seen corresponding path program 1 times [2020-12-23 08:21:15,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:21:15,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889851643] [2020-12-23 08:21:15,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:21:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:21:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:21:15,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889851643] [2020-12-23 08:21:15,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:21:15,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:21:15,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326284604] [2020-12-23 08:21:15,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:21:15,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:21:15,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:21:15,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:21:15,784 INFO L87 Difference]: Start difference. First operand 53328 states and 97397 transitions. Second operand 6 states. [2020-12-23 08:21:20,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:21:20,754 INFO L93 Difference]: Finished difference Result 124697 states and 227349 transitions. [2020-12-23 08:21:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 08:21:20,755 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2020-12-23 08:21:20,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:21:20,887 INFO L225 Difference]: With dead ends: 124697 [2020-12-23 08:21:20,887 INFO L226 Difference]: Without dead ends: 86976 [2020-12-23 08:21:20,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-23 08:21:20,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86976 states. [2020-12-23 08:21:23,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86976 to 53328. [2020-12-23 08:21:23,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53328 states. [2020-12-23 08:21:23,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53328 states to 53328 states and 96676 transitions. [2020-12-23 08:21:23,852 INFO L78 Accepts]: Start accepts. Automaton has 53328 states and 96676 transitions. Word has length 84 [2020-12-23 08:21:23,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:21:23,852 INFO L481 AbstractCegarLoop]: Abstraction has 53328 states and 96676 transitions. [2020-12-23 08:21:23,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:21:23,852 INFO L276 IsEmpty]: Start isEmpty. Operand 53328 states and 96676 transitions. [2020-12-23 08:21:23,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 08:21:23,855 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:21:23,855 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:21:23,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:21:23,855 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:21:23,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:21:23,856 INFO L82 PathProgramCache]: Analyzing trace with hash -2134672025, now seen corresponding path program 1 times [2020-12-23 08:21:23,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:21:23,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356304770] [2020-12-23 08:21:23,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:21:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:21:23,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:21:23,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356304770] [2020-12-23 08:21:23,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:21:23,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:21:23,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371708904] [2020-12-23 08:21:23,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:21:23,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:21:23,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:21:23,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:21:23,928 INFO L87 Difference]: Start difference. First operand 53328 states and 96676 transitions. Second operand 5 states. [2020-12-23 08:21:28,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:21:28,845 INFO L93 Difference]: Finished difference Result 113064 states and 204859 transitions. [2020-12-23 08:21:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 08:21:28,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-12-23 08:21:28,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:21:29,065 INFO L225 Difference]: With dead ends: 113064 [2020-12-23 08:21:29,065 INFO L226 Difference]: Without dead ends: 79612 [2020-12-23 08:21:29,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:21:29,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79612 states. [2020-12-23 08:21:31,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79612 to 53328. [2020-12-23 08:21:31,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53328 states. [2020-12-23 08:21:31,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53328 states to 53328 states and 96580 transitions. [2020-12-23 08:21:31,912 INFO L78 Accepts]: Start accepts. Automaton has 53328 states and 96580 transitions. Word has length 85 [2020-12-23 08:21:31,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:21:31,912 INFO L481 AbstractCegarLoop]: Abstraction has 53328 states and 96580 transitions. [2020-12-23 08:21:31,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:21:31,912 INFO L276 IsEmpty]: Start isEmpty. Operand 53328 states and 96580 transitions. [2020-12-23 08:21:31,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 08:21:31,915 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:21:31,915 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:21:31,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:21:31,915 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:21:31,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:21:31,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1139226917, now seen corresponding path program 1 times [2020-12-23 08:21:31,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:21:31,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594112182] [2020-12-23 08:21:31,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:21:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:21:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:21:32,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594112182] [2020-12-23 08:21:32,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:21:32,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:21:32,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030775425] [2020-12-23 08:21:32,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:21:32,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:21:32,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:21:32,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:21:32,012 INFO L87 Difference]: Start difference. First operand 53328 states and 96580 transitions. Second operand 6 states. [2020-12-23 08:21:41,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:21:41,992 INFO L93 Difference]: Finished difference Result 200853 states and 367989 transitions. [2020-12-23 08:21:41,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 08:21:41,993 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2020-12-23 08:21:41,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:21:42,124 INFO L225 Difference]: With dead ends: 200853 [2020-12-23 08:21:42,125 INFO L226 Difference]: Without dead ends: 83806 [2020-12-23 08:21:42,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-12-23 08:21:42,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83806 states. [2020-12-23 08:21:43,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83806 to 27082. [2020-12-23 08:21:43,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27082 states. [2020-12-23 08:21:43,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27082 states to 27082 states and 48911 transitions. [2020-12-23 08:21:43,998 INFO L78 Accepts]: Start accepts. Automaton has 27082 states and 48911 transitions. Word has length 85 [2020-12-23 08:21:43,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:21:43,998 INFO L481 AbstractCegarLoop]: Abstraction has 27082 states and 48911 transitions. [2020-12-23 08:21:43,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:21:43,998 INFO L276 IsEmpty]: Start isEmpty. Operand 27082 states and 48911 transitions. [2020-12-23 08:21:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-12-23 08:21:44,018 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:21:44,018 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:21:44,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:21:44,018 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:21:44,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:21:44,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1407318019, now seen corresponding path program 1 times [2020-12-23 08:21:44,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:21:44,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481652789] [2020-12-23 08:21:44,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:21:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:21:44,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:21:44,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481652789] [2020-12-23 08:21:44,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:21:44,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:21:44,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262028973] [2020-12-23 08:21:44,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:21:44,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:21:44,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:21:44,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:21:44,175 INFO L87 Difference]: Start difference. First operand 27082 states and 48911 transitions. Second operand 5 states. [2020-12-23 08:21:48,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:21:48,696 INFO L93 Difference]: Finished difference Result 72295 states and 131573 transitions. [2020-12-23 08:21:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:21:48,696 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2020-12-23 08:21:48,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:21:48,748 INFO L225 Difference]: With dead ends: 72295 [2020-12-23 08:21:48,749 INFO L226 Difference]: Without dead ends: 45243 [2020-12-23 08:21:48,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:21:48,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45243 states. [2020-12-23 08:21:50,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45243 to 26926. [2020-12-23 08:21:50,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26926 states. [2020-12-23 08:21:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26926 states to 26926 states and 48343 transitions. [2020-12-23 08:21:50,128 INFO L78 Accepts]: Start accepts. Automaton has 26926 states and 48343 transitions. Word has length 230 [2020-12-23 08:21:50,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:21:50,128 INFO L481 AbstractCegarLoop]: Abstraction has 26926 states and 48343 transitions. [2020-12-23 08:21:50,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:21:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 26926 states and 48343 transitions. [2020-12-23 08:21:50,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-12-23 08:21:50,148 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:21:50,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:21:50,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:21:50,149 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:21:50,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:21:50,149 INFO L82 PathProgramCache]: Analyzing trace with hash 973699005, now seen corresponding path program 1 times [2020-12-23 08:21:50,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:21:50,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611060004] [2020-12-23 08:21:50,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:21:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:21:50,389 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2020-12-23 08:21:50,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:21:50,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611060004] [2020-12-23 08:21:50,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:21:50,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:21:50,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888891694] [2020-12-23 08:21:50,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:21:50,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:21:50,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:21:50,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:21:50,480 INFO L87 Difference]: Start difference. First operand 26926 states and 48343 transitions. Second operand 5 states. [2020-12-23 08:21:58,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:21:58,399 INFO L93 Difference]: Finished difference Result 66308 states and 120003 transitions. [2020-12-23 08:21:58,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:21:58,399 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2020-12-23 08:21:58,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:21:58,489 INFO L225 Difference]: With dead ends: 66308 [2020-12-23 08:21:58,489 INFO L226 Difference]: Without dead ends: 51059 [2020-12-23 08:21:58,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:21:58,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51059 states. [2020-12-23 08:22:00,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51059 to 39119. [2020-12-23 08:22:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39119 states. [2020-12-23 08:22:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39119 states to 39119 states and 70748 transitions. [2020-12-23 08:22:00,688 INFO L78 Accepts]: Start accepts. Automaton has 39119 states and 70748 transitions. Word has length 230 [2020-12-23 08:22:00,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:22:00,689 INFO L481 AbstractCegarLoop]: Abstraction has 39119 states and 70748 transitions. [2020-12-23 08:22:00,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:22:00,689 INFO L276 IsEmpty]: Start isEmpty. Operand 39119 states and 70748 transitions. [2020-12-23 08:22:00,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-12-23 08:22:00,716 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:22:00,716 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:22:00,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:22:00,716 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:22:00,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:22:00,717 INFO L82 PathProgramCache]: Analyzing trace with hash 734331178, now seen corresponding path program 1 times [2020-12-23 08:22:00,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:22:00,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208371700] [2020-12-23 08:22:00,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:22:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:22:00,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:22:00,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208371700] [2020-12-23 08:22:00,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:22:00,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:22:00,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205911350] [2020-12-23 08:22:00,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:22:00,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:22:00,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:22:00,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:22:00,882 INFO L87 Difference]: Start difference. First operand 39119 states and 70748 transitions. Second operand 5 states. [2020-12-23 08:22:10,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:22:10,174 INFO L93 Difference]: Finished difference Result 114504 states and 209308 transitions. [2020-12-23 08:22:10,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:22:10,174 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 231 [2020-12-23 08:22:10,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:22:10,289 INFO L225 Difference]: With dead ends: 114504 [2020-12-23 08:22:10,289 INFO L226 Difference]: Without dead ends: 86501 [2020-12-23 08:22:10,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:22:10,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86501 states. [2020-12-23 08:22:13,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86501 to 62470. [2020-12-23 08:22:13,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62470 states. [2020-12-23 08:22:13,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62470 states to 62470 states and 113326 transitions. [2020-12-23 08:22:13,936 INFO L78 Accepts]: Start accepts. Automaton has 62470 states and 113326 transitions. Word has length 231 [2020-12-23 08:22:13,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:22:13,936 INFO L481 AbstractCegarLoop]: Abstraction has 62470 states and 113326 transitions. [2020-12-23 08:22:13,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:22:13,936 INFO L276 IsEmpty]: Start isEmpty. Operand 62470 states and 113326 transitions. [2020-12-23 08:22:13,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-12-23 08:22:13,970 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:22:13,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:22:13,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 08:22:13,971 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:22:13,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:22:13,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1513911778, now seen corresponding path program 1 times [2020-12-23 08:22:13,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:22:13,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522491727] [2020-12-23 08:22:13,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:22:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:22:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:22:14,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522491727] [2020-12-23 08:22:14,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:22:14,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:22:14,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300243975] [2020-12-23 08:22:14,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:22:14,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:22:14,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:22:14,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:22:14,391 INFO L87 Difference]: Start difference. First operand 62470 states and 113326 transitions. Second operand 5 states. [2020-12-23 08:22:23,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:22:23,012 INFO L93 Difference]: Finished difference Result 134532 states and 245555 transitions. [2020-12-23 08:22:23,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:22:23,012 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2020-12-23 08:22:23,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:22:23,132 INFO L225 Difference]: With dead ends: 134532 [2020-12-23 08:22:23,132 INFO L226 Difference]: Without dead ends: 86407 [2020-12-23 08:22:23,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:22:23,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86407 states. [2020-12-23 08:22:26,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86407 to 62470. [2020-12-23 08:22:26,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62470 states. [2020-12-23 08:22:26,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62470 states to 62470 states and 113295 transitions. [2020-12-23 08:22:26,586 INFO L78 Accepts]: Start accepts. Automaton has 62470 states and 113295 transitions. Word has length 232 [2020-12-23 08:22:26,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:22:26,586 INFO L481 AbstractCegarLoop]: Abstraction has 62470 states and 113295 transitions. [2020-12-23 08:22:26,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:22:26,586 INFO L276 IsEmpty]: Start isEmpty. Operand 62470 states and 113295 transitions. [2020-12-23 08:22:26,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-12-23 08:22:26,629 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:22:26,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:22:26,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 08:22:26,630 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:22:26,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:22:26,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1020399566, now seen corresponding path program 1 times [2020-12-23 08:22:26,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:22:26,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235409541] [2020-12-23 08:22:26,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:22:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:22:26,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:22:26,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235409541] [2020-12-23 08:22:26,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:22:26,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:22:26,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275708901] [2020-12-23 08:22:26,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:22:26,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:22:26,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:22:26,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:22:26,914 INFO L87 Difference]: Start difference. First operand 62470 states and 113295 transitions. Second operand 5 states. [2020-12-23 08:22:33,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:22:33,859 INFO L93 Difference]: Finished difference Result 204205 states and 373350 transitions. [2020-12-23 08:22:33,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:22:33,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2020-12-23 08:22:33,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:22:34,243 INFO L225 Difference]: With dead ends: 204205 [2020-12-23 08:22:34,244 INFO L226 Difference]: Without dead ends: 150040 [2020-12-23 08:22:34,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:22:34,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150040 states. [2020-12-23 08:22:38,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150040 to 62677. [2020-12-23 08:22:38,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62677 states. [2020-12-23 08:22:38,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62677 states to 62677 states and 113502 transitions. [2020-12-23 08:22:38,186 INFO L78 Accepts]: Start accepts. Automaton has 62677 states and 113502 transitions. Word has length 232 [2020-12-23 08:22:38,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:22:38,186 INFO L481 AbstractCegarLoop]: Abstraction has 62677 states and 113502 transitions. [2020-12-23 08:22:38,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:22:38,186 INFO L276 IsEmpty]: Start isEmpty. Operand 62677 states and 113502 transitions. [2020-12-23 08:22:38,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-12-23 08:22:38,216 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:22:38,217 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:22:38,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 08:22:38,217 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:22:38,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:22:38,217 INFO L82 PathProgramCache]: Analyzing trace with hash 687833142, now seen corresponding path program 1 times [2020-12-23 08:22:38,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:22:38,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862581784] [2020-12-23 08:22:38,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:22:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:22:38,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:22:38,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862581784] [2020-12-23 08:22:38,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:22:38,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:22:38,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554446243] [2020-12-23 08:22:38,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:22:38,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:22:38,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:22:38,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:22:38,376 INFO L87 Difference]: Start difference. First operand 62677 states and 113502 transitions. Second operand 7 states. [2020-12-23 08:22:51,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:22:51,648 INFO L93 Difference]: Finished difference Result 265675 states and 485194 transitions. [2020-12-23 08:22:51,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-23 08:22:51,649 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 237 [2020-12-23 08:22:51,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:22:52,008 INFO L225 Difference]: With dead ends: 265675 [2020-12-23 08:22:52,008 INFO L226 Difference]: Without dead ends: 220034 [2020-12-23 08:22:52,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2020-12-23 08:22:52,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220034 states. [2020-12-23 08:22:59,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220034 to 122086. [2020-12-23 08:22:59,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122086 states. [2020-12-23 08:23:00,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122086 states to 122086 states and 221378 transitions. [2020-12-23 08:23:00,030 INFO L78 Accepts]: Start accepts. Automaton has 122086 states and 221378 transitions. Word has length 237 [2020-12-23 08:23:00,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:00,030 INFO L481 AbstractCegarLoop]: Abstraction has 122086 states and 221378 transitions. [2020-12-23 08:23:00,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:23:00,030 INFO L276 IsEmpty]: Start isEmpty. Operand 122086 states and 221378 transitions. [2020-12-23 08:23:00,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-12-23 08:23:00,090 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:00,090 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:00,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-23 08:23:00,091 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:00,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:00,091 INFO L82 PathProgramCache]: Analyzing trace with hash 82406855, now seen corresponding path program 1 times [2020-12-23 08:23:00,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:00,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782565126] [2020-12-23 08:23:00,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:00,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782565126] [2020-12-23 08:23:00,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:00,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:23:00,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701949326] [2020-12-23 08:23:00,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:23:00,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:00,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:23:00,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:23:00,245 INFO L87 Difference]: Start difference. First operand 122086 states and 221378 transitions. Second operand 5 states.