/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_spec2_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:20:59,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:20:59,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:20:59,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:20:59,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:20:59,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:20:59,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:20:59,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:20:59,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:20:59,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:20:59,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:20:59,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:20:59,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:20:59,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:20:59,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:20:59,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:20:59,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:20:59,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:20:59,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:20:59,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:20:59,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:20:59,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:20:59,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:20:59,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:20:59,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:20:59,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:20:59,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:20:59,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:20:59,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:20:59,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:20:59,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:20:59,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:20:59,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:20:59,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:20:59,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:20:59,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:20:59,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:20:59,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:20:59,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:20:59,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:20:59,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:20:59,653 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:20:59,680 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:20:59,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:20:59,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:20:59,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:20:59,683 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:20:59,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:20:59,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:20:59,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:20:59,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:20:59,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:20:59,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:20:59,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:20:59,685 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:20:59,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:20:59,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:20:59,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:20:59,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:20:59,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:20:59,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:20:59,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:20:59,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:20:59,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:20:59,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:20:59,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:20:59,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:20:59,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:21:00,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:21:00,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:21:00,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:21:00,150 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:21:00,151 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:21:00,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec2_product03.cil.c [2021-01-06 18:21:00,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cf76dc716/e9f08336fe8f47fdbd9f6814f1d34a20/FLAG0a3517aba [2021-01-06 18:21:01,169 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:21:01,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec2_product03.cil.c [2021-01-06 18:21:01,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cf76dc716/e9f08336fe8f47fdbd9f6814f1d34a20/FLAG0a3517aba [2021-01-06 18:21:01,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cf76dc716/e9f08336fe8f47fdbd9f6814f1d34a20 [2021-01-06 18:21:01,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:21:01,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:21:01,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:21:01,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:21:01,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:21:01,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:21:01" (1/1) ... [2021-01-06 18:21:01,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ea98e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:21:01, skipping insertion in model container [2021-01-06 18:21:01,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:21:01" (1/1) ... [2021-01-06 18:21:01,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:21:01,455 INFO L178 MainTranslator]: Built tables and reachable declarations 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~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~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~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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~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[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] [2021-01-06 18:21:01,949 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_spec2_product03.cil.c[29504,29517] 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[~nd~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~maxLength~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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___0~1,] left hand side expression in assignment: lhs: VariableLHS[~action~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~origin~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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[~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[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] 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___0~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~2,] left hand side expression in assignment: lhs: VariableLHS[~doorState~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~6,] 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[~__cil_tmp10~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp18~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp19~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp24~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp25~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp26~0,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] 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[~i~1,] 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~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[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~floor~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~3,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~5,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~6,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~6,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~10,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~11,] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~7,] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~12,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~8,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] [2021-01-06 18:21:02,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:21:02,287 INFO L203 MainTranslator]: Completed pre-run 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~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~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~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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~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[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] [2021-01-06 18:21:02,363 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_spec2_product03.cil.c[29504,29517] 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[~nd~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~maxLength~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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___0~1,] left hand side expression in assignment: lhs: VariableLHS[~action~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~origin~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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[~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[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] 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___0~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~2,] left hand side expression in assignment: lhs: VariableLHS[~doorState~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~6,] 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[~__cil_tmp10~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp18~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp19~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp24~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp25~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp26~0,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] 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[~i~1,] 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~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[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~floor~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~3,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~5,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~6,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~6,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~10,] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_spc2_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~11,] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~7,] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~12,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~8,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] [2021-01-06 18:21:02,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:21:02,561 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:21:02,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:21:02 WrapperNode [2021-01-06 18:21:02,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:21:02,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:21:02,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:21:02,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:21:02,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:21:02" (1/1) ... [2021-01-06 18:21:02,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:21:02" (1/1) ... [2021-01-06 18:21:02,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:21:02,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:21:02,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:21:02,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:21:02,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:21:02" (1/1) ... [2021-01-06 18:21:02,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:21:02" (1/1) ... [2021-01-06 18:21:02,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:21:02" (1/1) ... [2021-01-06 18:21:02,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:21:02" (1/1) ... [2021-01-06 18:21:02,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:21:02" (1/1) ... [2021-01-06 18:21:03,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:21:02" (1/1) ... [2021-01-06 18:21:03,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:21:02" (1/1) ... [2021-01-06 18:21:03,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:21:03,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:21:03,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:21:03,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:21:03,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:21:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:21:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:21:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:21:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:21:03,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:21:09,181 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:21:09,182 INFO L299 CfgBuilder]: Removed 517 assume(true) statements. [2021-01-06 18:21:09,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:21:09 BoogieIcfgContainer [2021-01-06 18:21:09,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:21:09,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:21:09,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:21:09,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:21:09,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:21:01" (1/3) ... [2021-01-06 18:21:09,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2ad508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:21:09, skipping insertion in model container [2021-01-06 18:21:09,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:21:02" (2/3) ... [2021-01-06 18:21:09,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2ad508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:21:09, skipping insertion in model container [2021-01-06 18:21:09,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:21:09" (3/3) ... [2021-01-06 18:21:09,198 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product03.cil.c [2021-01-06 18:21:09,206 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:21:09,213 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2021-01-06 18:21:09,237 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-01-06 18:21:09,278 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:21:09,279 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:21:09,279 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:21:09,279 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:21:09,279 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:21:09,279 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:21:09,280 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:21:09,280 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:21:09,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states. [2021-01-06 18:21:09,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 18:21:09,355 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:09,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:21:09,357 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:09,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:09,364 INFO L82 PathProgramCache]: Analyzing trace with hash 245285468, now seen corresponding path program 1 times [2021-01-06 18:21:09,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:09,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663995080] [2021-01-06 18:21:09,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:09,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:09,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663995080] [2021-01-06 18:21:09,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:09,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:21:09,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682592738] [2021-01-06 18:21:09,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:21:09,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:09,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:21:09,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:21:09,842 INFO L87 Difference]: Start difference. First operand 2304 states. Second operand 3 states. [2021-01-06 18:21:10,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:10,069 INFO L93 Difference]: Finished difference Result 4599 states and 8709 transitions. [2021-01-06 18:21:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:21:10,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2021-01-06 18:21:10,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:10,136 INFO L225 Difference]: With dead ends: 4599 [2021-01-06 18:21:10,136 INFO L226 Difference]: Without dead ends: 2300 [2021-01-06 18:21:10,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:21:10,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2300 states. [2021-01-06 18:21:10,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2300 to 2300. [2021-01-06 18:21:10,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2300 states. [2021-01-06 18:21:10,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 2300 states and 4345 transitions. [2021-01-06 18:21:10,345 INFO L78 Accepts]: Start accepts. Automaton has 2300 states and 4345 transitions. Word has length 44 [2021-01-06 18:21:10,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:10,346 INFO L481 AbstractCegarLoop]: Abstraction has 2300 states and 4345 transitions. [2021-01-06 18:21:10,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:21:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 4345 transitions. [2021-01-06 18:21:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 18:21:10,349 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:10,350 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:21:10,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:21:10,350 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:10,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:10,351 INFO L82 PathProgramCache]: Analyzing trace with hash 895862581, now seen corresponding path program 1 times [2021-01-06 18:21:10,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:10,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790749096] [2021-01-06 18:21:10,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:10,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:10,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790749096] [2021-01-06 18:21:10,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:10,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:21:10,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783576754] [2021-01-06 18:21:10,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:21:10,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:10,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:21:10,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:10,593 INFO L87 Difference]: Start difference. First operand 2300 states and 4345 transitions. Second operand 4 states. [2021-01-06 18:21:10,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:10,750 INFO L93 Difference]: Finished difference Result 4551 states and 8606 transitions. [2021-01-06 18:21:10,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:21:10,751 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2021-01-06 18:21:10,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:10,766 INFO L225 Difference]: With dead ends: 4551 [2021-01-06 18:21:10,766 INFO L226 Difference]: Without dead ends: 2273 [2021-01-06 18:21:10,772 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:21:10,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2021-01-06 18:21:10,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2273. [2021-01-06 18:21:10,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2273 states. [2021-01-06 18:21:10,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 4289 transitions. [2021-01-06 18:21:10,850 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 4289 transitions. Word has length 51 [2021-01-06 18:21:10,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:10,850 INFO L481 AbstractCegarLoop]: Abstraction has 2273 states and 4289 transitions. [2021-01-06 18:21:10,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:21:10,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 4289 transitions. [2021-01-06 18:21:10,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-06 18:21:10,853 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:10,853 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:21:10,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:21:10,854 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:10,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:10,855 INFO L82 PathProgramCache]: Analyzing trace with hash 583980247, now seen corresponding path program 1 times [2021-01-06 18:21:10,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:10,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497647964] [2021-01-06 18:21:10,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:10,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:10,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497647964] [2021-01-06 18:21:10,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:10,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:21:10,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984449346] [2021-01-06 18:21:10,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:21:10,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:10,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:21:11,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:11,000 INFO L87 Difference]: Start difference. First operand 2273 states and 4289 transitions. Second operand 4 states. [2021-01-06 18:21:11,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:11,194 INFO L93 Difference]: Finished difference Result 4524 states and 8550 transitions. [2021-01-06 18:21:11,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:21:11,195 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2021-01-06 18:21:11,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:11,210 INFO L225 Difference]: With dead ends: 4524 [2021-01-06 18:21:11,210 INFO L226 Difference]: Without dead ends: 2273 [2021-01-06 18:21:11,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:21:11,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2021-01-06 18:21:11,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2273. [2021-01-06 18:21:11,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2273 states. [2021-01-06 18:21:11,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 4288 transitions. [2021-01-06 18:21:11,311 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 4288 transitions. Word has length 52 [2021-01-06 18:21:11,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:11,312 INFO L481 AbstractCegarLoop]: Abstraction has 2273 states and 4288 transitions. [2021-01-06 18:21:11,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:21:11,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 4288 transitions. [2021-01-06 18:21:11,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-06 18:21:11,315 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:11,315 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:21:11,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:21:11,316 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:11,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:11,316 INFO L82 PathProgramCache]: Analyzing trace with hash 986368050, now seen corresponding path program 1 times [2021-01-06 18:21:11,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:11,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244983270] [2021-01-06 18:21:11,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:11,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:11,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244983270] [2021-01-06 18:21:11,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:11,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:21:11,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99210858] [2021-01-06 18:21:11,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:21:11,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:11,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:21:11,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:11,469 INFO L87 Difference]: Start difference. First operand 2273 states and 4288 transitions. Second operand 4 states. [2021-01-06 18:21:11,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:11,638 INFO L93 Difference]: Finished difference Result 4524 states and 8549 transitions. [2021-01-06 18:21:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:21:11,638 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2021-01-06 18:21:11,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:11,653 INFO L225 Difference]: With dead ends: 4524 [2021-01-06 18:21:11,653 INFO L226 Difference]: Without dead ends: 2273 [2021-01-06 18:21:11,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:21:11,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2021-01-06 18:21:11,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2273. [2021-01-06 18:21:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2273 states. [2021-01-06 18:21:11,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 4287 transitions. [2021-01-06 18:21:11,743 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 4287 transitions. Word has length 53 [2021-01-06 18:21:11,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:11,745 INFO L481 AbstractCegarLoop]: Abstraction has 2273 states and 4287 transitions. [2021-01-06 18:21:11,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:21:11,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 4287 transitions. [2021-01-06 18:21:11,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 18:21:11,748 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:11,748 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:21:11,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:21:11,751 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:11,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:11,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1737054738, now seen corresponding path program 1 times [2021-01-06 18:21:11,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:11,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431347062] [2021-01-06 18:21:11,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:11,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431347062] [2021-01-06 18:21:11,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:11,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:21:11,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363825304] [2021-01-06 18:21:11,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:21:11,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:11,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:21:11,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:11,866 INFO L87 Difference]: Start difference. First operand 2273 states and 4287 transitions. Second operand 4 states. [2021-01-06 18:21:12,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:12,027 INFO L93 Difference]: Finished difference Result 4524 states and 8548 transitions. [2021-01-06 18:21:12,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:21:12,030 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2021-01-06 18:21:12,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:12,044 INFO L225 Difference]: With dead ends: 4524 [2021-01-06 18:21:12,044 INFO L226 Difference]: Without dead ends: 2273 [2021-01-06 18:21:12,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:21:12,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2021-01-06 18:21:12,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2273. [2021-01-06 18:21:12,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2273 states. [2021-01-06 18:21:12,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 4286 transitions. [2021-01-06 18:21:12,139 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 4286 transitions. Word has length 54 [2021-01-06 18:21:12,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:12,140 INFO L481 AbstractCegarLoop]: Abstraction has 2273 states and 4286 transitions. [2021-01-06 18:21:12,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:21:12,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 4286 transitions. [2021-01-06 18:21:12,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-06 18:21:12,144 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:12,145 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] [2021-01-06 18:21:12,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:21:12,145 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:12,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:12,146 INFO L82 PathProgramCache]: Analyzing trace with hash 400104973, now seen corresponding path program 1 times [2021-01-06 18:21:12,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:12,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755423697] [2021-01-06 18:21:12,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:12,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:12,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755423697] [2021-01-06 18:21:12,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:12,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:21:12,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620241933] [2021-01-06 18:21:12,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:21:12,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:12,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:21:12,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:12,337 INFO L87 Difference]: Start difference. First operand 2273 states and 4286 transitions. Second operand 4 states. [2021-01-06 18:21:12,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:12,493 INFO L93 Difference]: Finished difference Result 4524 states and 8547 transitions. [2021-01-06 18:21:12,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:21:12,495 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2021-01-06 18:21:12,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:12,508 INFO L225 Difference]: With dead ends: 4524 [2021-01-06 18:21:12,509 INFO L226 Difference]: Without dead ends: 2273 [2021-01-06 18:21:12,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:21:12,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2021-01-06 18:21:12,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2273. [2021-01-06 18:21:12,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2273 states. [2021-01-06 18:21:12,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 4285 transitions. [2021-01-06 18:21:12,603 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 4285 transitions. Word has length 55 [2021-01-06 18:21:12,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:12,604 INFO L481 AbstractCegarLoop]: Abstraction has 2273 states and 4285 transitions. [2021-01-06 18:21:12,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:21:12,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 4285 transitions. [2021-01-06 18:21:12,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 18:21:12,606 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:12,606 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] [2021-01-06 18:21:12,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:21:12,606 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:12,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:12,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1229065395, now seen corresponding path program 1 times [2021-01-06 18:21:12,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:12,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763063790] [2021-01-06 18:21:12,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:12,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763063790] [2021-01-06 18:21:12,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:12,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:21:12,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484671825] [2021-01-06 18:21:12,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:21:12,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:12,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:21:12,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:12,716 INFO L87 Difference]: Start difference. First operand 2273 states and 4285 transitions. Second operand 4 states. [2021-01-06 18:21:12,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:12,855 INFO L93 Difference]: Finished difference Result 4524 states and 8546 transitions. [2021-01-06 18:21:12,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:21:12,856 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2021-01-06 18:21:12,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:12,869 INFO L225 Difference]: With dead ends: 4524 [2021-01-06 18:21:12,870 INFO L226 Difference]: Without dead ends: 2273 [2021-01-06 18:21:12,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:21:12,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2021-01-06 18:21:12,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2273. [2021-01-06 18:21:12,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2273 states. [2021-01-06 18:21:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 4284 transitions. [2021-01-06 18:21:12,969 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 4284 transitions. Word has length 56 [2021-01-06 18:21:12,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:12,969 INFO L481 AbstractCegarLoop]: Abstraction has 2273 states and 4284 transitions. [2021-01-06 18:21:12,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:21:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 4284 transitions. [2021-01-06 18:21:12,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 18:21:12,971 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:12,971 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] [2021-01-06 18:21:12,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:21:12,972 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:12,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:12,972 INFO L82 PathProgramCache]: Analyzing trace with hash 967827432, now seen corresponding path program 1 times [2021-01-06 18:21:12,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:12,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768091743] [2021-01-06 18:21:12,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:13,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:13,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768091743] [2021-01-06 18:21:13,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:13,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:21:13,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639711918] [2021-01-06 18:21:13,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:21:13,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:13,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:21:13,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:13,066 INFO L87 Difference]: Start difference. First operand 2273 states and 4284 transitions. Second operand 4 states. [2021-01-06 18:21:13,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:13,202 INFO L93 Difference]: Finished difference Result 4518 states and 8534 transitions. [2021-01-06 18:21:13,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:21:13,203 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2021-01-06 18:21:13,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:13,218 INFO L225 Difference]: With dead ends: 4518 [2021-01-06 18:21:13,218 INFO L226 Difference]: Without dead ends: 2273 [2021-01-06 18:21:13,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:21:13,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2021-01-06 18:21:13,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2273. [2021-01-06 18:21:13,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2273 states. [2021-01-06 18:21:13,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 4283 transitions. [2021-01-06 18:21:13,357 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 4283 transitions. Word has length 57 [2021-01-06 18:21:13,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:13,359 INFO L481 AbstractCegarLoop]: Abstraction has 2273 states and 4283 transitions. [2021-01-06 18:21:13,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:21:13,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 4283 transitions. [2021-01-06 18:21:13,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 18:21:13,362 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:13,362 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:21:13,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:21:13,362 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:13,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:13,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1508689336, now seen corresponding path program 1 times [2021-01-06 18:21:13,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:13,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838364912] [2021-01-06 18:21:13,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:13,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:13,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838364912] [2021-01-06 18:21:13,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:13,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:21:13,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388652526] [2021-01-06 18:21:13,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:21:13,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:13,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:21:13,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:13,513 INFO L87 Difference]: Start difference. First operand 2273 states and 4283 transitions. Second operand 4 states. [2021-01-06 18:21:14,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:14,732 INFO L93 Difference]: Finished difference Result 6285 states and 11910 transitions. [2021-01-06 18:21:14,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:21:14,732 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2021-01-06 18:21:14,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:14,756 INFO L225 Difference]: With dead ends: 6285 [2021-01-06 18:21:14,757 INFO L226 Difference]: Without dead ends: 4046 [2021-01-06 18:21:14,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:14,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4046 states. [2021-01-06 18:21:14,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4046 to 2273. [2021-01-06 18:21:14,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2273 states. [2021-01-06 18:21:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 4277 transitions. [2021-01-06 18:21:14,882 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 4277 transitions. Word has length 58 [2021-01-06 18:21:14,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:14,882 INFO L481 AbstractCegarLoop]: Abstraction has 2273 states and 4277 transitions. [2021-01-06 18:21:14,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:21:14,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 4277 transitions. [2021-01-06 18:21:14,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 18:21:14,885 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:14,885 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:21:14,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:21:14,885 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:14,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:14,886 INFO L82 PathProgramCache]: Analyzing trace with hash 717198404, now seen corresponding path program 1 times [2021-01-06 18:21:14,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:14,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310302016] [2021-01-06 18:21:14,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:14,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:14,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310302016] [2021-01-06 18:21:14,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:14,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:21:14,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789880482] [2021-01-06 18:21:14,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:21:14,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:14,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:21:14,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:14,978 INFO L87 Difference]: Start difference. First operand 2273 states and 4277 transitions. Second operand 4 states. [2021-01-06 18:21:16,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:16,188 INFO L93 Difference]: Finished difference Result 6285 states and 11899 transitions. [2021-01-06 18:21:16,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:21:16,188 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2021-01-06 18:21:16,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:16,204 INFO L225 Difference]: With dead ends: 6285 [2021-01-06 18:21:16,204 INFO L226 Difference]: Without dead ends: 4046 [2021-01-06 18:21:16,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:16,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4046 states. [2021-01-06 18:21:16,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4046 to 2273. [2021-01-06 18:21:16,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2273 states. [2021-01-06 18:21:16,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 4271 transitions. [2021-01-06 18:21:16,341 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 4271 transitions. Word has length 60 [2021-01-06 18:21:16,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:16,342 INFO L481 AbstractCegarLoop]: Abstraction has 2273 states and 4271 transitions. [2021-01-06 18:21:16,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:21:16,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 4271 transitions. [2021-01-06 18:21:16,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 18:21:16,345 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:16,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:21:16,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:21:16,345 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:16,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:16,346 INFO L82 PathProgramCache]: Analyzing trace with hash 719593198, now seen corresponding path program 1 times [2021-01-06 18:21:16,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:16,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306197150] [2021-01-06 18:21:16,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:16,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:16,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306197150] [2021-01-06 18:21:16,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:16,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:21:16,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119955390] [2021-01-06 18:21:16,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:21:16,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:16,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:21:16,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:16,443 INFO L87 Difference]: Start difference. First operand 2273 states and 4271 transitions. Second operand 4 states. [2021-01-06 18:21:17,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:17,565 INFO L93 Difference]: Finished difference Result 6285 states and 11888 transitions. [2021-01-06 18:21:17,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:21:17,565 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2021-01-06 18:21:17,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:17,592 INFO L225 Difference]: With dead ends: 6285 [2021-01-06 18:21:17,592 INFO L226 Difference]: Without dead ends: 4046 [2021-01-06 18:21:17,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:17,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4046 states. [2021-01-06 18:21:17,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4046 to 2273. [2021-01-06 18:21:17,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2273 states. [2021-01-06 18:21:17,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 4265 transitions. [2021-01-06 18:21:17,740 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 4265 transitions. Word has length 62 [2021-01-06 18:21:17,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:17,740 INFO L481 AbstractCegarLoop]: Abstraction has 2273 states and 4265 transitions. [2021-01-06 18:21:17,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:21:17,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 4265 transitions. [2021-01-06 18:21:17,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 18:21:17,743 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:17,743 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:21:17,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 18:21:17,743 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:17,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:17,744 INFO L82 PathProgramCache]: Analyzing trace with hash 970793124, now seen corresponding path program 1 times [2021-01-06 18:21:17,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:17,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195386409] [2021-01-06 18:21:17,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:17,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:17,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195386409] [2021-01-06 18:21:17,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:17,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:21:17,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445900482] [2021-01-06 18:21:17,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:21:17,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:17,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:21:17,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:17,832 INFO L87 Difference]: Start difference. First operand 2273 states and 4265 transitions. Second operand 4 states. [2021-01-06 18:21:18,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:18,898 INFO L93 Difference]: Finished difference Result 6285 states and 11877 transitions. [2021-01-06 18:21:18,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:21:18,899 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2021-01-06 18:21:18,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:18,911 INFO L225 Difference]: With dead ends: 6285 [2021-01-06 18:21:18,912 INFO L226 Difference]: Without dead ends: 4046 [2021-01-06 18:21:18,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:18,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4046 states. [2021-01-06 18:21:19,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4046 to 2273. [2021-01-06 18:21:19,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2273 states. [2021-01-06 18:21:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 4259 transitions. [2021-01-06 18:21:19,023 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 4259 transitions. Word has length 64 [2021-01-06 18:21:19,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:19,023 INFO L481 AbstractCegarLoop]: Abstraction has 2273 states and 4259 transitions. [2021-01-06 18:21:19,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:21:19,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 4259 transitions. [2021-01-06 18:21:19,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 18:21:19,026 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:19,026 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] [2021-01-06 18:21:19,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:21:19,026 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:19,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:19,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1712031068, now seen corresponding path program 1 times [2021-01-06 18:21:19,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:19,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791026392] [2021-01-06 18:21:19,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:19,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:19,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791026392] [2021-01-06 18:21:19,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:19,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 18:21:19,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039365248] [2021-01-06 18:21:19,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:21:19,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:19,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:21:19,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:21:19,099 INFO L87 Difference]: Start difference. First operand 2273 states and 4259 transitions. Second operand 3 states. [2021-01-06 18:21:19,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:19,577 INFO L93 Difference]: Finished difference Result 4624 states and 8642 transitions. [2021-01-06 18:21:19,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:21:19,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2021-01-06 18:21:19,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:19,586 INFO L225 Difference]: With dead ends: 4624 [2021-01-06 18:21:19,587 INFO L226 Difference]: Without dead ends: 3170 [2021-01-06 18:21:19,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:21:19,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2021-01-06 18:21:19,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 3146. [2021-01-06 18:21:19,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3146 states. [2021-01-06 18:21:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 3146 states and 5845 transitions. [2021-01-06 18:21:19,714 INFO L78 Accepts]: Start accepts. Automaton has 3146 states and 5845 transitions. Word has length 66 [2021-01-06 18:21:19,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:19,715 INFO L481 AbstractCegarLoop]: Abstraction has 3146 states and 5845 transitions. [2021-01-06 18:21:19,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:21:19,715 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 5845 transitions. [2021-01-06 18:21:19,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 18:21:19,717 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:19,717 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] [2021-01-06 18:21:19,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:21:19,717 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:19,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:19,718 INFO L82 PathProgramCache]: Analyzing trace with hash -700913818, now seen corresponding path program 1 times [2021-01-06 18:21:19,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:19,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465694602] [2021-01-06 18:21:19,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:19,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:19,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465694602] [2021-01-06 18:21:19,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:19,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:21:19,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483136866] [2021-01-06 18:21:19,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:21:19,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:19,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:21:19,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:21:19,787 INFO L87 Difference]: Start difference. First operand 3146 states and 5845 transitions. Second operand 3 states. [2021-01-06 18:21:20,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:20,020 INFO L93 Difference]: Finished difference Result 8022 states and 14991 transitions. [2021-01-06 18:21:20,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:21:20,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2021-01-06 18:21:20,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:20,037 INFO L225 Difference]: With dead ends: 8022 [2021-01-06 18:21:20,037 INFO L226 Difference]: Without dead ends: 5840 [2021-01-06 18:21:20,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:21:20,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5840 states. [2021-01-06 18:21:20,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5840 to 5840. [2021-01-06 18:21:20,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5840 states. [2021-01-06 18:21:20,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5840 states to 5840 states and 10918 transitions. [2021-01-06 18:21:20,318 INFO L78 Accepts]: Start accepts. Automaton has 5840 states and 10918 transitions. Word has length 66 [2021-01-06 18:21:20,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:20,318 INFO L481 AbstractCegarLoop]: Abstraction has 5840 states and 10918 transitions. [2021-01-06 18:21:20,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:21:20,318 INFO L276 IsEmpty]: Start isEmpty. Operand 5840 states and 10918 transitions. [2021-01-06 18:21:20,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:21:20,321 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:20,321 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] [2021-01-06 18:21:20,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:21:20,321 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:20,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:20,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1850759963, now seen corresponding path program 1 times [2021-01-06 18:21:20,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:20,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339782508] [2021-01-06 18:21:20,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:20,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:20,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339782508] [2021-01-06 18:21:20,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:20,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:21:20,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201863742] [2021-01-06 18:21:20,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:21:20,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:20,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:21:20,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:21:20,389 INFO L87 Difference]: Start difference. First operand 5840 states and 10918 transitions. Second operand 3 states. [2021-01-06 18:21:20,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:20,742 INFO L93 Difference]: Finished difference Result 15437 states and 28926 transitions. [2021-01-06 18:21:20,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:21:20,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-06 18:21:20,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:20,779 INFO L225 Difference]: With dead ends: 15437 [2021-01-06 18:21:20,779 INFO L226 Difference]: Without dead ends: 11122 [2021-01-06 18:21:20,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:21:20,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11122 states. [2021-01-06 18:21:21,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11122 to 11120. [2021-01-06 18:21:21,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11120 states. [2021-01-06 18:21:21,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11120 states to 11120 states and 20855 transitions. [2021-01-06 18:21:21,333 INFO L78 Accepts]: Start accepts. Automaton has 11120 states and 20855 transitions. Word has length 68 [2021-01-06 18:21:21,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:21,333 INFO L481 AbstractCegarLoop]: Abstraction has 11120 states and 20855 transitions. [2021-01-06 18:21:21,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:21:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 11120 states and 20855 transitions. [2021-01-06 18:21:21,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:21:21,339 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:21,339 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] [2021-01-06 18:21:21,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:21:21,340 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:21,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:21,341 INFO L82 PathProgramCache]: Analyzing trace with hash 354398526, now seen corresponding path program 1 times [2021-01-06 18:21:21,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:21,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851673969] [2021-01-06 18:21:21,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:21,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:21,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851673969] [2021-01-06 18:21:21,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:21,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:21:21,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239213487] [2021-01-06 18:21:21,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:21:21,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:21,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:21:21,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:21:21,455 INFO L87 Difference]: Start difference. First operand 11120 states and 20855 transitions. Second operand 3 states. [2021-01-06 18:21:22,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:22,245 INFO L93 Difference]: Finished difference Result 30039 states and 56358 transitions. [2021-01-06 18:21:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:21:22,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2021-01-06 18:21:22,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:22,468 INFO L225 Difference]: With dead ends: 30039 [2021-01-06 18:21:22,468 INFO L226 Difference]: Without dead ends: 21465 [2021-01-06 18:21:22,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:21:22,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21465 states. [2021-01-06 18:21:23,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21465 to 21461. [2021-01-06 18:21:23,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21461 states. [2021-01-06 18:21:23,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21461 states to 21461 states and 40305 transitions. [2021-01-06 18:21:23,192 INFO L78 Accepts]: Start accepts. Automaton has 21461 states and 40305 transitions. Word has length 69 [2021-01-06 18:21:23,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:23,192 INFO L481 AbstractCegarLoop]: Abstraction has 21461 states and 40305 transitions. [2021-01-06 18:21:23,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:21:23,287 INFO L276 IsEmpty]: Start isEmpty. Operand 21461 states and 40305 transitions. [2021-01-06 18:21:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:21:23,290 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:23,290 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] [2021-01-06 18:21:23,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:21:23,291 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:23,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:23,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1898530494, now seen corresponding path program 1 times [2021-01-06 18:21:23,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:23,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32359311] [2021-01-06 18:21:23,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:23,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:23,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32359311] [2021-01-06 18:21:23,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:23,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:21:23,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460981777] [2021-01-06 18:21:23,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:21:23,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:23,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:21:23,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:21:23,379 INFO L87 Difference]: Start difference. First operand 21461 states and 40305 transitions. Second operand 3 states. [2021-01-06 18:21:24,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:24,304 INFO L93 Difference]: Finished difference Result 58781 states and 110332 transitions. [2021-01-06 18:21:24,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:21:24,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2021-01-06 18:21:24,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:24,408 INFO L225 Difference]: With dead ends: 58781 [2021-01-06 18:21:24,409 INFO L226 Difference]: Without dead ends: 41708 [2021-01-06 18:21:24,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:21:24,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41708 states. [2021-01-06 18:21:25,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41708 to 41702. [2021-01-06 18:21:25,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41702 states. [2021-01-06 18:21:26,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41702 states to 41702 states and 78351 transitions. [2021-01-06 18:21:26,069 INFO L78 Accepts]: Start accepts. Automaton has 41702 states and 78351 transitions. Word has length 70 [2021-01-06 18:21:26,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:26,069 INFO L481 AbstractCegarLoop]: Abstraction has 41702 states and 78351 transitions. [2021-01-06 18:21:26,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:21:26,069 INFO L276 IsEmpty]: Start isEmpty. Operand 41702 states and 78351 transitions. [2021-01-06 18:21:26,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:21:26,072 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:26,072 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] [2021-01-06 18:21:26,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:21:26,073 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:26,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:26,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1275113927, now seen corresponding path program 1 times [2021-01-06 18:21:26,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:26,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905870989] [2021-01-06 18:21:26,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:26,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905870989] [2021-01-06 18:21:26,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:26,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:21:26,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81639108] [2021-01-06 18:21:26,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:21:26,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:26,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:21:26,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:21:26,157 INFO L87 Difference]: Start difference. First operand 41702 states and 78351 transitions. Second operand 3 states. [2021-01-06 18:21:28,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:28,229 INFO L93 Difference]: Finished difference Result 115335 states and 216485 transitions. [2021-01-06 18:21:28,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:21:28,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2021-01-06 18:21:28,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:28,402 INFO L225 Difference]: With dead ends: 115335 [2021-01-06 18:21:28,403 INFO L226 Difference]: Without dead ends: 81302 [2021-01-06 18:21:28,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:21:28,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81302 states. [2021-01-06 18:21:30,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81302 to 81294. [2021-01-06 18:21:30,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81294 states. [2021-01-06 18:21:31,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81294 states to 81294 states and 152714 transitions. [2021-01-06 18:21:31,059 INFO L78 Accepts]: Start accepts. Automaton has 81294 states and 152714 transitions. Word has length 71 [2021-01-06 18:21:31,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:31,059 INFO L481 AbstractCegarLoop]: Abstraction has 81294 states and 152714 transitions. [2021-01-06 18:21:31,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:21:31,059 INFO L276 IsEmpty]: Start isEmpty. Operand 81294 states and 152714 transitions. [2021-01-06 18:21:31,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 18:21:31,083 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:31,083 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] [2021-01-06 18:21:31,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:21:31,084 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:31,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:31,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1398164266, now seen corresponding path program 1 times [2021-01-06 18:21:31,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:31,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552969988] [2021-01-06 18:21:31,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:31,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:31,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552969988] [2021-01-06 18:21:31,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:31,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:21:31,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442546081] [2021-01-06 18:21:31,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:21:31,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:31,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:21:31,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:31,159 INFO L87 Difference]: Start difference. First operand 81294 states and 152714 transitions. Second operand 4 states. [2021-01-06 18:21:34,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:34,207 INFO L93 Difference]: Finished difference Result 181053 states and 337753 transitions. [2021-01-06 18:21:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:21:34,208 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2021-01-06 18:21:34,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:34,447 INFO L225 Difference]: With dead ends: 181053 [2021-01-06 18:21:34,447 INFO L226 Difference]: Without dead ends: 99996 [2021-01-06 18:21:34,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:21:34,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99996 states. [2021-01-06 18:21:37,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99996 to 81424. [2021-01-06 18:21:37,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81424 states. [2021-01-06 18:21:37,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81424 states to 81424 states and 152844 transitions. [2021-01-06 18:21:37,445 INFO L78 Accepts]: Start accepts. Automaton has 81424 states and 152844 transitions. Word has length 102 [2021-01-06 18:21:37,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:37,446 INFO L481 AbstractCegarLoop]: Abstraction has 81424 states and 152844 transitions. [2021-01-06 18:21:37,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:21:37,446 INFO L276 IsEmpty]: Start isEmpty. Operand 81424 states and 152844 transitions. [2021-01-06 18:21:37,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-01-06 18:21:37,462 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:37,462 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] [2021-01-06 18:21:37,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:21:37,463 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:37,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:37,463 INFO L82 PathProgramCache]: Analyzing trace with hash 219062006, now seen corresponding path program 1 times [2021-01-06 18:21:37,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:37,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232664752] [2021-01-06 18:21:37,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:37,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:37,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232664752] [2021-01-06 18:21:37,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:37,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:21:37,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458120874] [2021-01-06 18:21:37,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:21:37,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:37,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:21:37,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:21:37,562 INFO L87 Difference]: Start difference. First operand 81424 states and 152844 transitions. Second operand 5 states. [2021-01-06 18:21:45,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:45,514 INFO L93 Difference]: Finished difference Result 327407 states and 611919 transitions. [2021-01-06 18:21:45,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:21:45,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2021-01-06 18:21:45,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:46,223 INFO L225 Difference]: With dead ends: 327407 [2021-01-06 18:21:46,223 INFO L226 Difference]: Without dead ends: 246052 [2021-01-06 18:21:46,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:21:46,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246052 states. [2021-01-06 18:21:50,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246052 to 81684. [2021-01-06 18:21:50,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81684 states. [2021-01-06 18:21:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81684 states to 81684 states and 153104 transitions. [2021-01-06 18:21:50,321 INFO L78 Accepts]: Start accepts. Automaton has 81684 states and 153104 transitions. Word has length 104 [2021-01-06 18:21:50,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:50,321 INFO L481 AbstractCegarLoop]: Abstraction has 81684 states and 153104 transitions. [2021-01-06 18:21:50,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:21:50,321 INFO L276 IsEmpty]: Start isEmpty. Operand 81684 states and 153104 transitions. [2021-01-06 18:21:50,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 18:21:50,337 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:50,337 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:21:50,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:21:50,337 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:21:50,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:50,338 INFO L82 PathProgramCache]: Analyzing trace with hash 670024993, now seen corresponding path program 1 times [2021-01-06 18:21:50,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:50,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861396955] [2021-01-06 18:21:50,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:50,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:50,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861396955] [2021-01-06 18:21:50,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:50,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:21:50,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147168891] [2021-01-06 18:21:50,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:21:50,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:50,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:21:50,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:50,442 INFO L87 Difference]: Start difference. First operand 81684 states and 153104 transitions. Second operand 4 states. [2021-01-06 18:21:54,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:21:54,796 INFO L93 Difference]: Finished difference Result 168249 states and 315114 transitions. [2021-01-06 18:21:54,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:21:54,797 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2021-01-06 18:21:54,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:21:54,950 INFO L225 Difference]: With dead ends: 168249 [2021-01-06 18:21:54,950 INFO L226 Difference]: Without dead ends: 86620 [2021-01-06 18:21:55,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:55,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86620 states. [2021-01-06 18:21:57,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86620 to 81684. [2021-01-06 18:21:57,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81684 states. [2021-01-06 18:21:57,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81684 states to 81684 states and 153038 transitions. [2021-01-06 18:21:57,939 INFO L78 Accepts]: Start accepts. Automaton has 81684 states and 153038 transitions. Word has length 105 [2021-01-06 18:21:57,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:21:57,939 INFO L481 AbstractCegarLoop]: Abstraction has 81684 states and 153038 transitions. [2021-01-06 18:21:57,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:21:57,939 INFO L276 IsEmpty]: Start isEmpty. Operand 81684 states and 153038 transitions. [2021-01-06 18:21:57,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 18:21:57,952 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:21:57,952 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] [2021-01-06 18:21:57,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:21:57,952 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]=== [2021-01-06 18:21:57,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:21:57,953 INFO L82 PathProgramCache]: Analyzing trace with hash -2053814415, now seen corresponding path program 1 times [2021-01-06 18:21:57,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:21:57,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125821481] [2021-01-06 18:21:57,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:21:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:21:58,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:21:58,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125821481] [2021-01-06 18:21:58,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:21:58,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:21:58,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938188913] [2021-01-06 18:21:58,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:21:58,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:21:58,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:21:58,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:21:58,045 INFO L87 Difference]: Start difference. First operand 81684 states and 153038 transitions. Second operand 4 states. [2021-01-06 18:22:02,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:22:02,191 INFO L93 Difference]: Finished difference Result 168249 states and 314984 transitions. [2021-01-06 18:22:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:22:02,194 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2021-01-06 18:22:02,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:22:02,351 INFO L225 Difference]: With dead ends: 168249 [2021-01-06 18:22:02,351 INFO L226 Difference]: Without dead ends: 86620 [2021-01-06 18:22:02,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:22:02,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86620 states. [2021-01-06 18:22:05,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86620 to 81684. [2021-01-06 18:22:05,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81684 states. [2021-01-06 18:22:05,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81684 states to 81684 states and 152972 transitions. [2021-01-06 18:22:05,399 INFO L78 Accepts]: Start accepts. Automaton has 81684 states and 152972 transitions. Word has length 106 [2021-01-06 18:22:05,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:22:05,399 INFO L481 AbstractCegarLoop]: Abstraction has 81684 states and 152972 transitions. [2021-01-06 18:22:05,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:22:05,400 INFO L276 IsEmpty]: Start isEmpty. Operand 81684 states and 152972 transitions. [2021-01-06 18:22:05,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 18:22:05,413 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:22:05,413 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] [2021-01-06 18:22:05,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:22:05,413 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]=== [2021-01-06 18:22:05,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:22:05,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1499532055, now seen corresponding path program 1 times [2021-01-06 18:22:05,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:22:05,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191386157] [2021-01-06 18:22:05,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:22:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:22:05,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:22:05,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191386157] [2021-01-06 18:22:05,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:22:05,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:22:05,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066505501] [2021-01-06 18:22:05,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:22:05,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:22:05,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:22:05,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:22:05,493 INFO L87 Difference]: Start difference. First operand 81684 states and 152972 transitions. Second operand 5 states. [2021-01-06 18:22:22,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:22:22,403 INFO L93 Difference]: Finished difference Result 689059 states and 1291164 transitions. [2021-01-06 18:22:22,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:22:22,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2021-01-06 18:22:22,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:22:24,153 INFO L225 Difference]: With dead ends: 689059 [2021-01-06 18:22:24,154 INFO L226 Difference]: Without dead ends: 607448 [2021-01-06 18:22:24,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:22:24,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607448 states. [2021-01-06 18:22:34,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607448 to 161313. [2021-01-06 18:22:34,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161313 states. [2021-01-06 18:22:34,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161313 states to 161313 states and 301555 transitions. [2021-01-06 18:22:34,831 INFO L78 Accepts]: Start accepts. Automaton has 161313 states and 301555 transitions. Word has length 107 [2021-01-06 18:22:34,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:22:34,831 INFO L481 AbstractCegarLoop]: Abstraction has 161313 states and 301555 transitions. [2021-01-06 18:22:34,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:22:34,831 INFO L276 IsEmpty]: Start isEmpty. Operand 161313 states and 301555 transitions. [2021-01-06 18:22:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 18:22:34,859 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:22:34,860 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] [2021-01-06 18:22:34,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:22:34,860 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]=== [2021-01-06 18:22:34,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:22:34,861 INFO L82 PathProgramCache]: Analyzing trace with hash -545591897, now seen corresponding path program 1 times [2021-01-06 18:22:34,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:22:34,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201992168] [2021-01-06 18:22:34,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:22:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:22:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:22:34,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201992168] [2021-01-06 18:22:34,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:22:34,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:22:34,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926634581] [2021-01-06 18:22:34,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:22:34,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:22:34,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:22:34,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:22:34,933 INFO L87 Difference]: Start difference. First operand 161313 states and 301555 transitions. Second operand 5 states. [2021-01-06 18:22:44,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:22:44,452 INFO L93 Difference]: Finished difference Result 389924 states and 719900 transitions. [2021-01-06 18:22:44,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 18:22:44,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2021-01-06 18:22:44,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:22:45,154 INFO L225 Difference]: With dead ends: 389924 [2021-01-06 18:22:45,154 INFO L226 Difference]: Without dead ends: 228858 [2021-01-06 18:22:45,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:22:45,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228858 states. [2021-01-06 18:22:53,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228858 to 161571. [2021-01-06 18:22:53,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161571 states. [2021-01-06 18:22:54,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161571 states to 161571 states and 301813 transitions. [2021-01-06 18:22:54,152 INFO L78 Accepts]: Start accepts. Automaton has 161571 states and 301813 transitions. Word has length 107 [2021-01-06 18:22:54,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:22:54,152 INFO L481 AbstractCegarLoop]: Abstraction has 161571 states and 301813 transitions. [2021-01-06 18:22:54,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:22:54,152 INFO L276 IsEmpty]: Start isEmpty. Operand 161571 states and 301813 transitions. [2021-01-06 18:22:54,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 18:22:54,172 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:22:54,172 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:22:54,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:22:54,172 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]=== [2021-01-06 18:22:54,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:22:54,173 INFO L82 PathProgramCache]: Analyzing trace with hash -117312964, now seen corresponding path program 1 times [2021-01-06 18:22:54,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:22:54,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910145921] [2021-01-06 18:22:54,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:22:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:22:54,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:22:54,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910145921] [2021-01-06 18:22:54,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:22:54,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:22:54,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838943439] [2021-01-06 18:22:54,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:22:54,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:22:54,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:22:54,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:22:54,302 INFO L87 Difference]: Start difference. First operand 161571 states and 301813 transitions. Second operand 4 states. [2021-01-06 18:23:02,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:23:02,736 INFO L93 Difference]: Finished difference Result 332955 states and 621404 transitions. [2021-01-06 18:23:02,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:23:02,737 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2021-01-06 18:23:02,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:23:03,094 INFO L225 Difference]: With dead ends: 332955 [2021-01-06 18:23:03,095 INFO L226 Difference]: Without dead ends: 171437 [2021-01-06 18:23:03,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:23:03,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171437 states. [2021-01-06 18:23:09,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171437 to 161571. [2021-01-06 18:23:09,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161571 states. [2021-01-06 18:23:09,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161571 states to 161571 states and 301683 transitions. [2021-01-06 18:23:09,830 INFO L78 Accepts]: Start accepts. Automaton has 161571 states and 301683 transitions. Word has length 107 [2021-01-06 18:23:09,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:23:09,830 INFO L481 AbstractCegarLoop]: Abstraction has 161571 states and 301683 transitions. [2021-01-06 18:23:09,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:23:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 161571 states and 301683 transitions. [2021-01-06 18:23:09,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-01-06 18:23:09,848 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:23:09,848 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] [2021-01-06 18:23:09,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:23:09,848 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]=== [2021-01-06 18:23:09,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:23:09,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1311357294, now seen corresponding path program 1 times [2021-01-06 18:23:09,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:23:09,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707839655] [2021-01-06 18:23:09,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:23:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:23:09,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:23:09,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707839655] [2021-01-06 18:23:09,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:23:09,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:23:09,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84829036] [2021-01-06 18:23:09,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:23:09,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:23:09,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:23:09,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:23:09,938 INFO L87 Difference]: Start difference. First operand 161571 states and 301683 transitions. Second operand 5 states. [2021-01-06 18:23:22,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:23:22,442 INFO L93 Difference]: Finished difference Result 369291 states and 682428 transitions. [2021-01-06 18:23:22,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:23:22,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2021-01-06 18:23:22,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:23:23,051 INFO L225 Difference]: With dead ends: 369291 [2021-01-06 18:23:23,051 INFO L226 Difference]: Without dead ends: 207761 [2021-01-06 18:23:23,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:23:23,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207761 states. [2021-01-06 18:23:28,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207761 to 110048. [2021-01-06 18:23:28,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110048 states. [2021-01-06 18:23:29,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110048 states to 110048 states and 202996 transitions. [2021-01-06 18:23:29,180 INFO L78 Accepts]: Start accepts. Automaton has 110048 states and 202996 transitions. Word has length 108 [2021-01-06 18:23:29,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:23:29,180 INFO L481 AbstractCegarLoop]: Abstraction has 110048 states and 202996 transitions. [2021-01-06 18:23:29,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:23:29,180 INFO L276 IsEmpty]: Start isEmpty. Operand 110048 states and 202996 transitions. [2021-01-06 18:23:29,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-01-06 18:23:29,203 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:23:29,204 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:23:29,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:23:29,204 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]=== [2021-01-06 18:23:29,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:23:29,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1741831969, now seen corresponding path program 1 times [2021-01-06 18:23:29,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:23:29,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805308300] [2021-01-06 18:23:29,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:23:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:23:29,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:23:29,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805308300] [2021-01-06 18:23:29,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:23:29,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:23:29,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786178540] [2021-01-06 18:23:29,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:23:29,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:23:29,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:23:29,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:23:29,390 INFO L87 Difference]: Start difference. First operand 110048 states and 202996 transitions. Second operand 5 states. [2021-01-06 18:23:44,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:23:44,862 INFO L93 Difference]: Finished difference Result 463943 states and 855817 transitions. [2021-01-06 18:23:44,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:23:44,863 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2021-01-06 18:23:44,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:23:45,772 INFO L225 Difference]: With dead ends: 463943 [2021-01-06 18:23:45,772 INFO L226 Difference]: Without dead ends: 354116 [2021-01-06 18:23:45,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:23:46,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354116 states. [2021-01-06 18:23:52,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354116 to 110176. [2021-01-06 18:23:52,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110176 states. [2021-01-06 18:23:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110176 states to 110176 states and 203060 transitions. [2021-01-06 18:23:53,177 INFO L78 Accepts]: Start accepts. Automaton has 110176 states and 203060 transitions. Word has length 153 [2021-01-06 18:23:53,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:23:53,177 INFO L481 AbstractCegarLoop]: Abstraction has 110176 states and 203060 transitions. [2021-01-06 18:23:53,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:23:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 110176 states and 203060 transitions. [2021-01-06 18:23:53,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-01-06 18:23:53,197 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:23:53,197 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:23:53,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:23:53,198 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]=== [2021-01-06 18:23:53,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:23:53,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1548955956, now seen corresponding path program 1 times [2021-01-06 18:23:53,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:23:53,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701550502] [2021-01-06 18:23:53,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:23:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:23:53,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:23:53,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701550502] [2021-01-06 18:23:53,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:23:53,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:23:53,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026946804] [2021-01-06 18:23:53,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:23:53,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:23:53,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:23:53,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:23:53,310 INFO L87 Difference]: Start difference. First operand 110176 states and 203060 transitions. Second operand 3 states. [2021-01-06 18:24:01,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:24:01,904 INFO L93 Difference]: Finished difference Result 235524 states and 431489 transitions. [2021-01-06 18:24:01,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:24:01,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2021-01-06 18:24:01,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:24:02,162 INFO L225 Difference]: With dead ends: 235524 [2021-01-06 18:24:02,162 INFO L226 Difference]: Without dead ends: 125569 [2021-01-06 18:24:02,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:24:02,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125569 states. [2021-01-06 18:24:07,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125569 to 108768. [2021-01-06 18:24:07,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108768 states. [2021-01-06 18:24:07,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108768 states to 108768 states and 199988 transitions. [2021-01-06 18:24:07,802 INFO L78 Accepts]: Start accepts. Automaton has 108768 states and 199988 transitions. Word has length 154 [2021-01-06 18:24:07,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:24:07,803 INFO L481 AbstractCegarLoop]: Abstraction has 108768 states and 199988 transitions. [2021-01-06 18:24:07,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:24:07,803 INFO L276 IsEmpty]: Start isEmpty. Operand 108768 states and 199988 transitions. [2021-01-06 18:24:07,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-01-06 18:24:07,820 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:24:07,821 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:24:07,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 18:24:07,821 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]=== [2021-01-06 18:24:07,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:24:07,821 INFO L82 PathProgramCache]: Analyzing trace with hash 561968585, now seen corresponding path program 1 times [2021-01-06 18:24:07,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:24:07,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198553428] [2021-01-06 18:24:07,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:24:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:24:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:24:07,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198553428] [2021-01-06 18:24:07,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:24:07,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:24:07,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173006164] [2021-01-06 18:24:07,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:24:07,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:24:07,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:24:07,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:24:07,916 INFO L87 Difference]: Start difference. First operand 108768 states and 199988 transitions. Second operand 5 states. [2021-01-06 18:24:14,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:24:14,883 INFO L93 Difference]: Finished difference Result 226808 states and 416863 transitions. [2021-01-06 18:24:14,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:24:14,883 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2021-01-06 18:24:14,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:24:15,119 INFO L225 Difference]: With dead ends: 226808 [2021-01-06 18:24:15,119 INFO L226 Difference]: Without dead ends: 118119 [2021-01-06 18:24:15,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:24:15,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118119 states. [2021-01-06 18:24:20,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118119 to 108768. [2021-01-06 18:24:20,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108768 states. [2021-01-06 18:24:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108768 states to 108768 states and 198188 transitions. [2021-01-06 18:24:20,916 INFO L78 Accepts]: Start accepts. Automaton has 108768 states and 198188 transitions. Word has length 157 [2021-01-06 18:24:20,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:24:20,917 INFO L481 AbstractCegarLoop]: Abstraction has 108768 states and 198188 transitions. [2021-01-06 18:24:20,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:24:20,917 INFO L276 IsEmpty]: Start isEmpty. Operand 108768 states and 198188 transitions. [2021-01-06 18:24:20,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-01-06 18:24:20,933 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:24:20,933 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:24:20,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-01-06 18:24:20,934 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]=== [2021-01-06 18:24:20,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:24:20,934 INFO L82 PathProgramCache]: Analyzing trace with hash 220448881, now seen corresponding path program 1 times [2021-01-06 18:24:20,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:24:20,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115355183] [2021-01-06 18:24:20,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:24:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:24:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:24:21,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115355183] [2021-01-06 18:24:21,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:24:21,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:24:21,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518927746] [2021-01-06 18:24:21,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:24:21,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:24:21,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:24:21,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:24:21,037 INFO L87 Difference]: Start difference. First operand 108768 states and 198188 transitions. Second operand 5 states. [2021-01-06 18:24:27,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:24:27,332 INFO L93 Difference]: Finished difference Result 224673 states and 409890 transitions. [2021-01-06 18:24:27,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:24:27,333 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2021-01-06 18:24:27,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:24:27,528 INFO L225 Difference]: With dead ends: 224673 [2021-01-06 18:24:27,528 INFO L226 Difference]: Without dead ends: 116126 [2021-01-06 18:24:27,594 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:24:27,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116126 states.