/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_spec1_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:23:03,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:23:03,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:23:03,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:23:03,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:23:03,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:23:03,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:23:03,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:23:03,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:23:03,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:23:03,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:23:03,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:23:03,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:23:03,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:23:03,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:23:03,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:23:03,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:23:03,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:23:03,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:23:03,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:23:03,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:23:03,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:23:03,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:23:03,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:23:03,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:23:03,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:23:03,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:23:03,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:23:03,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:23:03,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:23:03,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:23:03,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:23:03,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:23:03,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:23:03,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:23:03,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:23:03,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:23:03,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:23:03,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:23:03,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:23:03,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:23:03,456 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:23:03,504 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:23:03,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:23:03,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:23:03,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:23:03,510 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:23:03,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:23:03,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:23:03,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:23:03,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:23:03,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:23:03,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:23:03,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:23:03,513 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:23:03,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:23:03,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:23:03,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:23:03,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:23:03,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:23:03,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:23:03,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:23:03,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:23:03,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:23:03,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:23:03,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:23:03,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:23:03,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:23:03,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:23:03,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:23:03,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:23:03,963 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:23:03,963 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:23:03,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec1_product18.cil.c [2020-12-23 08:23:04,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/31859d0d2/efb45c49ff0949c1a23bb872c58da781/FLAG9a1598968 [2020-12-23 08:23:05,014 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:23:05,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec1_product18.cil.c [2020-12-23 08:23:05,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/31859d0d2/efb45c49ff0949c1a23bb872c58da781/FLAG9a1598968 [2020-12-23 08:23:05,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/31859d0d2/efb45c49ff0949c1a23bb872c58da781 [2020-12-23 08:23:05,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:23:05,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:23:05,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:23:05,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:23:05,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:23:05,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:23:05" (1/1) ... [2020-12-23 08:23:05,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f481835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:23:05, skipping insertion in model container [2020-12-23 08:23:05,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:23:05" (1/1) ... [2020-12-23 08:23:05,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:23:05,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 08:23:05,550 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_spec1_product18.cil.c[1221,1234] 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[~__utac__ad__arg1~0,] 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[~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[~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~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~floor~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_4~0,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[~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~6,] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~weight~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~weight~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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___3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] 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___4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~3,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] 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___3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~3,] 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[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~blocked~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~blocked~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~blocked~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp18~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp19~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] 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___3~5,] 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[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~6,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] 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[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~nd~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~maxLength~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~counter~0,] left hand side expression in assignment: lhs: VariableLHS[~counter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~10,] left hand side expression in assignment: lhs: VariableLHS[~action~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~8,] left hand side expression in assignment: lhs: VariableLHS[~origin~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] [2020-12-23 08:23:06,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:23:06,120 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 08:23:06,135 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_spec1_product18.cil.c[1221,1234] 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[~__utac__ad__arg1~0,] 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[~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[~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~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~floor~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_4~0,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[~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~6,] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~weight~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~weight~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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___3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] 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___4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~3,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] 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___3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~3,] 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[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~blocked~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~blocked~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~blocked~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp18~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp19~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] 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___3~5,] 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[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~6,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] 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[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~nd~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~maxLength~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~counter~0,] left hand side expression in assignment: lhs: VariableLHS[~counter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~10,] left hand side expression in assignment: lhs: VariableLHS[~action~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~8,] left hand side expression in assignment: lhs: VariableLHS[~origin~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] [2020-12-23 08:23:06,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:23:06,414 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:23:06,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:23:06 WrapperNode [2020-12-23 08:23:06,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:23:06,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:23:06,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:23:06,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:23:06,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:23:06" (1/1) ... [2020-12-23 08:23:06,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:23:06" (1/1) ... [2020-12-23 08:23:06,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:23:06,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:23:06,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:23:06,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:23:06,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:23:06" (1/1) ... [2020-12-23 08:23:06,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:23:06" (1/1) ... [2020-12-23 08:23:06,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:23:06" (1/1) ... [2020-12-23 08:23:06,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:23:06" (1/1) ... [2020-12-23 08:23:07,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:23:06" (1/1) ... [2020-12-23 08:23:07,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:23:06" (1/1) ... [2020-12-23 08:23:07,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:23:06" (1/1) ... [2020-12-23 08:23:07,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:23:07,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:23:07,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:23:07,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:23:07,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:23:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:23:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:23:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:23:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:23:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:23:16,475 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:23:16,476 INFO L299 CfgBuilder]: Removed 993 assume(true) statements. [2020-12-23 08:23:16,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:23:16 BoogieIcfgContainer [2020-12-23 08:23:16,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:23:16,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:23:16,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:23:16,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:23:16,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:23:05" (1/3) ... [2020-12-23 08:23:16,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49095c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:23:16, skipping insertion in model container [2020-12-23 08:23:16,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:23:06" (2/3) ... [2020-12-23 08:23:16,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49095c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:23:16, skipping insertion in model container [2020-12-23 08:23:16,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:23:16" (3/3) ... [2020-12-23 08:23:16,493 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product18.cil.c [2020-12-23 08:23:16,499 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:23:16,508 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-12-23 08:23:16,527 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-12-23 08:23:16,572 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:23:16,572 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:23:16,572 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:23:16,573 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:23:16,573 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:23:16,573 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:23:16,573 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:23:16,573 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:23:16,649 INFO L276 IsEmpty]: Start isEmpty. Operand 4583 states. [2020-12-23 08:23:16,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-23 08:23:16,661 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:16,662 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] [2020-12-23 08:23:16,663 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:16,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:16,669 INFO L82 PathProgramCache]: Analyzing trace with hash -2055578945, now seen corresponding path program 1 times [2020-12-23 08:23:16,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:16,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132172265] [2020-12-23 08:23:16,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:17,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132172265] [2020-12-23 08:23:17,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:17,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:23:17,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026585862] [2020-12-23 08:23:17,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:23:17,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:17,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:23:17,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:23:17,232 INFO L87 Difference]: Start difference. First operand 4583 states. Second operand 3 states. [2020-12-23 08:23:17,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:17,813 INFO L93 Difference]: Finished difference Result 13669 states and 25907 transitions. [2020-12-23 08:23:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:23:17,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-12-23 08:23:17,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:17,911 INFO L225 Difference]: With dead ends: 13669 [2020-12-23 08:23:17,912 INFO L226 Difference]: Without dead ends: 9091 [2020-12-23 08:23:17,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:23:17,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9091 states. [2020-12-23 08:23:18,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9091 to 4579. [2020-12-23 08:23:18,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4579 states. [2020-12-23 08:23:18,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4579 states to 4579 states and 8666 transitions. [2020-12-23 08:23:18,226 INFO L78 Accepts]: Start accepts. Automaton has 4579 states and 8666 transitions. Word has length 36 [2020-12-23 08:23:18,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:18,226 INFO L481 AbstractCegarLoop]: Abstraction has 4579 states and 8666 transitions. [2020-12-23 08:23:18,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:23:18,227 INFO L276 IsEmpty]: Start isEmpty. Operand 4579 states and 8666 transitions. [2020-12-23 08:23:18,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-23 08:23:18,237 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:18,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:18,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:23:18,239 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:18,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:18,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1563964408, now seen corresponding path program 1 times [2020-12-23 08:23:18,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:18,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718544616] [2020-12-23 08:23:18,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:18,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:18,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718544616] [2020-12-23 08:23:18,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:18,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:23:18,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593829464] [2020-12-23 08:23:18,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:23:18,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:18,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:23:18,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:23:18,407 INFO L87 Difference]: Start difference. First operand 4579 states and 8666 transitions. Second operand 6 states. [2020-12-23 08:23:19,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:19,433 INFO L93 Difference]: Finished difference Result 18091 states and 34261 transitions. [2020-12-23 08:23:19,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:23:19,434 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-12-23 08:23:19,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:19,534 INFO L225 Difference]: With dead ends: 18091 [2020-12-23 08:23:19,534 INFO L226 Difference]: Without dead ends: 13555 [2020-12-23 08:23:19,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:23:19,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13555 states. [2020-12-23 08:23:19,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13555 to 4575. [2020-12-23 08:23:19,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4575 states. [2020-12-23 08:23:19,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 8655 transitions. [2020-12-23 08:23:19,933 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 8655 transitions. Word has length 43 [2020-12-23 08:23:19,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:19,934 INFO L481 AbstractCegarLoop]: Abstraction has 4575 states and 8655 transitions. [2020-12-23 08:23:19,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:23:19,934 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 8655 transitions. [2020-12-23 08:23:19,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 08:23:19,939 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:19,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:19,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:23:19,940 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:19,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:19,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1092574075, now seen corresponding path program 1 times [2020-12-23 08:23:19,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:19,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59693496] [2020-12-23 08:23:19,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:20,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59693496] [2020-12-23 08:23:20,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:20,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:23:20,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274190144] [2020-12-23 08:23:20,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:23:20,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:20,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:23:20,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:23:20,102 INFO L87 Difference]: Start difference. First operand 4575 states and 8655 transitions. Second operand 4 states. [2020-12-23 08:23:20,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:20,800 INFO L93 Difference]: Finished difference Result 13613 states and 25774 transitions. [2020-12-23 08:23:20,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:23:20,801 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2020-12-23 08:23:20,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:20,916 INFO L225 Difference]: With dead ends: 13613 [2020-12-23 08:23:20,916 INFO L226 Difference]: Without dead ends: 9081 [2020-12-23 08:23:20,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:23:20,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9081 states. [2020-12-23 08:23:21,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9081 to 4575. [2020-12-23 08:23:21,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4575 states. [2020-12-23 08:23:21,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 8646 transitions. [2020-12-23 08:23:21,154 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 8646 transitions. Word has length 45 [2020-12-23 08:23:21,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:21,155 INFO L481 AbstractCegarLoop]: Abstraction has 4575 states and 8646 transitions. [2020-12-23 08:23:21,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:23:21,155 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 8646 transitions. [2020-12-23 08:23:21,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 08:23:21,157 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:21,157 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] [2020-12-23 08:23:21,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:23:21,158 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:21,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:21,158 INFO L82 PathProgramCache]: Analyzing trace with hash 808246098, now seen corresponding path program 1 times [2020-12-23 08:23:21,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:21,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997935442] [2020-12-23 08:23:21,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:21,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:21,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997935442] [2020-12-23 08:23:21,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:21,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:23:21,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360240001] [2020-12-23 08:23:21,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:23:21,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:21,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:23:21,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:23:21,268 INFO L87 Difference]: Start difference. First operand 4575 states and 8646 transitions. Second operand 4 states. [2020-12-23 08:23:21,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:21,976 INFO L93 Difference]: Finished difference Result 13613 states and 25756 transitions. [2020-12-23 08:23:21,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:23:21,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-12-23 08:23:21,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:22,002 INFO L225 Difference]: With dead ends: 13613 [2020-12-23 08:23:22,002 INFO L226 Difference]: Without dead ends: 9081 [2020-12-23 08:23:22,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:23:22,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9081 states. [2020-12-23 08:23:22,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9081 to 4575. [2020-12-23 08:23:22,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4575 states. [2020-12-23 08:23:22,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 8637 transitions. [2020-12-23 08:23:22,239 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 8637 transitions. Word has length 47 [2020-12-23 08:23:22,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:22,239 INFO L481 AbstractCegarLoop]: Abstraction has 4575 states and 8637 transitions. [2020-12-23 08:23:22,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:23:22,239 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 8637 transitions. [2020-12-23 08:23:22,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 08:23:22,241 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:22,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:22,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:23:22,241 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:22,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:22,242 INFO L82 PathProgramCache]: Analyzing trace with hash -2141840251, now seen corresponding path program 1 times [2020-12-23 08:23:22,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:22,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142182923] [2020-12-23 08:23:22,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:22,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142182923] [2020-12-23 08:23:22,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:22,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:23:22,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952648351] [2020-12-23 08:23:22,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:23:22,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:22,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:23:22,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:23:22,310 INFO L87 Difference]: Start difference. First operand 4575 states and 8637 transitions. Second operand 4 states. [2020-12-23 08:23:23,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:23,610 INFO L93 Difference]: Finished difference Result 22565 states and 42692 transitions. [2020-12-23 08:23:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:23:23,613 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-12-23 08:23:23,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:23,672 INFO L225 Difference]: With dead ends: 22565 [2020-12-23 08:23:23,673 INFO L226 Difference]: Without dead ends: 18033 [2020-12-23 08:23:23,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:23:23,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18033 states. [2020-12-23 08:23:23,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18033 to 4575. [2020-12-23 08:23:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4575 states. [2020-12-23 08:23:23,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 8633 transitions. [2020-12-23 08:23:23,991 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 8633 transitions. Word has length 49 [2020-12-23 08:23:23,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:23,993 INFO L481 AbstractCegarLoop]: Abstraction has 4575 states and 8633 transitions. [2020-12-23 08:23:23,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:23:23,994 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 8633 transitions. [2020-12-23 08:23:23,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 08:23:23,996 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:23,997 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:23,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:23:23,998 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:23,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:23,998 INFO L82 PathProgramCache]: Analyzing trace with hash -710330107, now seen corresponding path program 1 times [2020-12-23 08:23:23,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:23,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556494978] [2020-12-23 08:23:23,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:24,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:24,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556494978] [2020-12-23 08:23:24,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:24,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:23:24,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504982672] [2020-12-23 08:23:24,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:23:24,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:24,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:23:24,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:23:24,186 INFO L87 Difference]: Start difference. First operand 4575 states and 8633 transitions. Second operand 4 states. [2020-12-23 08:23:24,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:24,818 INFO L93 Difference]: Finished difference Result 18068 states and 34175 transitions. [2020-12-23 08:23:24,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:23:24,818 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-12-23 08:23:24,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:24,859 INFO L225 Difference]: With dead ends: 18068 [2020-12-23 08:23:24,860 INFO L226 Difference]: Without dead ends: 13515 [2020-12-23 08:23:24,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:23:24,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13515 states. [2020-12-23 08:23:25,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13515 to 4557. [2020-12-23 08:23:25,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4557 states. [2020-12-23 08:23:25,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4557 states to 4557 states and 8602 transitions. [2020-12-23 08:23:25,277 INFO L78 Accepts]: Start accepts. Automaton has 4557 states and 8602 transitions. Word has length 49 [2020-12-23 08:23:25,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:25,277 INFO L481 AbstractCegarLoop]: Abstraction has 4557 states and 8602 transitions. [2020-12-23 08:23:25,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:23:25,277 INFO L276 IsEmpty]: Start isEmpty. Operand 4557 states and 8602 transitions. [2020-12-23 08:23:25,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 08:23:25,279 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:25,279 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:25,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:23:25,279 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:25,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:25,280 INFO L82 PathProgramCache]: Analyzing trace with hash 141854634, now seen corresponding path program 1 times [2020-12-23 08:23:25,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:25,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402113174] [2020-12-23 08:23:25,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:25,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402113174] [2020-12-23 08:23:25,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:25,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:23:25,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891980134] [2020-12-23 08:23:25,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:23:25,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:25,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:23:25,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:23:25,376 INFO L87 Difference]: Start difference. First operand 4557 states and 8602 transitions. Second operand 4 states. [2020-12-23 08:23:26,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:26,109 INFO L93 Difference]: Finished difference Result 13577 states and 25669 transitions. [2020-12-23 08:23:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:23:26,109 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-12-23 08:23:26,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:26,135 INFO L225 Difference]: With dead ends: 13577 [2020-12-23 08:23:26,135 INFO L226 Difference]: Without dead ends: 9042 [2020-12-23 08:23:26,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:23:26,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9042 states. [2020-12-23 08:23:26,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9042 to 4557. [2020-12-23 08:23:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4557 states. [2020-12-23 08:23:26,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4557 states to 4557 states and 8596 transitions. [2020-12-23 08:23:26,455 INFO L78 Accepts]: Start accepts. Automaton has 4557 states and 8596 transitions. Word has length 50 [2020-12-23 08:23:26,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:26,455 INFO L481 AbstractCegarLoop]: Abstraction has 4557 states and 8596 transitions. [2020-12-23 08:23:26,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:23:26,455 INFO L276 IsEmpty]: Start isEmpty. Operand 4557 states and 8596 transitions. [2020-12-23 08:23:26,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 08:23:26,457 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:26,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:26,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:23:26,457 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:26,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:26,458 INFO L82 PathProgramCache]: Analyzing trace with hash -324048278, now seen corresponding path program 1 times [2020-12-23 08:23:26,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:26,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488876810] [2020-12-23 08:23:26,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:26,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488876810] [2020-12-23 08:23:26,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:26,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:23:26,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878170956] [2020-12-23 08:23:26,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:23:26,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:26,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:23:26,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:23:26,573 INFO L87 Difference]: Start difference. First operand 4557 states and 8596 transitions. Second operand 4 states. [2020-12-23 08:23:27,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:27,327 INFO L93 Difference]: Finished difference Result 13577 states and 25657 transitions. [2020-12-23 08:23:27,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:23:27,328 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-12-23 08:23:27,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:27,354 INFO L225 Difference]: With dead ends: 13577 [2020-12-23 08:23:27,354 INFO L226 Difference]: Without dead ends: 9042 [2020-12-23 08:23:27,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:23:27,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9042 states. [2020-12-23 08:23:27,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9042 to 4557. [2020-12-23 08:23:27,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4557 states. [2020-12-23 08:23:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4557 states to 4557 states and 8590 transitions. [2020-12-23 08:23:27,580 INFO L78 Accepts]: Start accepts. Automaton has 4557 states and 8590 transitions. Word has length 51 [2020-12-23 08:23:27,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:27,581 INFO L481 AbstractCegarLoop]: Abstraction has 4557 states and 8590 transitions. [2020-12-23 08:23:27,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:23:27,581 INFO L276 IsEmpty]: Start isEmpty. Operand 4557 states and 8590 transitions. [2020-12-23 08:23:27,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 08:23:27,582 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:27,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:27,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:23:27,583 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:27,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:27,583 INFO L82 PathProgramCache]: Analyzing trace with hash -128136977, now seen corresponding path program 1 times [2020-12-23 08:23:27,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:27,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609250215] [2020-12-23 08:23:27,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:27,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:27,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609250215] [2020-12-23 08:23:27,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:27,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:23:27,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829808791] [2020-12-23 08:23:27,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:23:27,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:27,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:23:27,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:23:27,709 INFO L87 Difference]: Start difference. First operand 4557 states and 8590 transitions. Second operand 7 states. [2020-12-23 08:23:29,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:29,402 INFO L93 Difference]: Finished difference Result 22536 states and 42606 transitions. [2020-12-23 08:23:29,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:23:29,403 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-12-23 08:23:29,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:29,461 INFO L225 Difference]: With dead ends: 22536 [2020-12-23 08:23:29,461 INFO L226 Difference]: Without dead ends: 18007 [2020-12-23 08:23:29,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-12-23 08:23:29,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18007 states. [2020-12-23 08:23:29,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18007 to 4559. [2020-12-23 08:23:29,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4559 states. [2020-12-23 08:23:29,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4559 states to 4559 states and 8591 transitions. [2020-12-23 08:23:29,781 INFO L78 Accepts]: Start accepts. Automaton has 4559 states and 8591 transitions. Word has length 52 [2020-12-23 08:23:29,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:29,781 INFO L481 AbstractCegarLoop]: Abstraction has 4559 states and 8591 transitions. [2020-12-23 08:23:29,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:23:29,781 INFO L276 IsEmpty]: Start isEmpty. Operand 4559 states and 8591 transitions. [2020-12-23 08:23:29,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 08:23:29,783 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:29,783 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:29,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:23:29,783 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:29,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:29,784 INFO L82 PathProgramCache]: Analyzing trace with hash 249606868, now seen corresponding path program 1 times [2020-12-23 08:23:29,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:29,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533477811] [2020-12-23 08:23:29,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:29,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:29,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533477811] [2020-12-23 08:23:29,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:29,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:23:29,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078964909] [2020-12-23 08:23:29,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:23:29,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:29,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:23:29,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:23:29,879 INFO L87 Difference]: Start difference. First operand 4559 states and 8591 transitions. Second operand 7 states. [2020-12-23 08:23:31,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:31,325 INFO L93 Difference]: Finished difference Result 22528 states and 42585 transitions. [2020-12-23 08:23:31,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:23:31,328 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-12-23 08:23:31,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:31,374 INFO L225 Difference]: With dead ends: 22528 [2020-12-23 08:23:31,374 INFO L226 Difference]: Without dead ends: 18002 [2020-12-23 08:23:31,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-12-23 08:23:31,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18002 states. [2020-12-23 08:23:31,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18002 to 4564. [2020-12-23 08:23:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4564 states. [2020-12-23 08:23:31,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4564 states to 4564 states and 8599 transitions. [2020-12-23 08:23:31,689 INFO L78 Accepts]: Start accepts. Automaton has 4564 states and 8599 transitions. Word has length 54 [2020-12-23 08:23:31,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:31,690 INFO L481 AbstractCegarLoop]: Abstraction has 4564 states and 8599 transitions. [2020-12-23 08:23:31,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:23:31,690 INFO L276 IsEmpty]: Start isEmpty. Operand 4564 states and 8599 transitions. [2020-12-23 08:23:31,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 08:23:31,691 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:31,692 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:31,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:23:31,692 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:31,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:31,693 INFO L82 PathProgramCache]: Analyzing trace with hash 175716207, now seen corresponding path program 1 times [2020-12-23 08:23:31,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:31,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609505518] [2020-12-23 08:23:31,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:31,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:31,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609505518] [2020-12-23 08:23:31,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:31,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:23:31,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599414713] [2020-12-23 08:23:31,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:23:31,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:31,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:23:31,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:23:31,748 INFO L87 Difference]: Start difference. First operand 4564 states and 8599 transitions. Second operand 3 states. [2020-12-23 08:23:32,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:32,015 INFO L93 Difference]: Finished difference Result 9070 states and 17116 transitions. [2020-12-23 08:23:32,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:23:32,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-12-23 08:23:32,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:32,030 INFO L225 Difference]: With dead ends: 9070 [2020-12-23 08:23:32,030 INFO L226 Difference]: Without dead ends: 4543 [2020-12-23 08:23:32,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:23:32,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4543 states. [2020-12-23 08:23:32,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4543 to 4543. [2020-12-23 08:23:32,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4543 states. [2020-12-23 08:23:32,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4543 states to 4543 states and 8563 transitions. [2020-12-23 08:23:32,323 INFO L78 Accepts]: Start accepts. Automaton has 4543 states and 8563 transitions. Word has length 56 [2020-12-23 08:23:32,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:32,324 INFO L481 AbstractCegarLoop]: Abstraction has 4543 states and 8563 transitions. [2020-12-23 08:23:32,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:23:32,324 INFO L276 IsEmpty]: Start isEmpty. Operand 4543 states and 8563 transitions. [2020-12-23 08:23:32,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 08:23:32,325 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:32,326 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:32,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 08:23:32,326 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:32,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:32,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1962506410, now seen corresponding path program 1 times [2020-12-23 08:23:32,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:32,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794137094] [2020-12-23 08:23:32,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:32,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:32,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794137094] [2020-12-23 08:23:32,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:32,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:23:32,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383028615] [2020-12-23 08:23:32,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:23:32,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:32,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:23:32,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:23:32,419 INFO L87 Difference]: Start difference. First operand 4543 states and 8563 transitions. Second operand 5 states. [2020-12-23 08:23:32,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:32,789 INFO L93 Difference]: Finished difference Result 9019 states and 17038 transitions. [2020-12-23 08:23:32,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:23:32,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-12-23 08:23:32,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:32,808 INFO L225 Difference]: With dead ends: 9019 [2020-12-23 08:23:32,808 INFO L226 Difference]: Without dead ends: 4537 [2020-12-23 08:23:32,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:23:32,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4537 states. [2020-12-23 08:23:33,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4537 to 4537. [2020-12-23 08:23:33,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4537 states. [2020-12-23 08:23:33,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4537 states to 4537 states and 8554 transitions. [2020-12-23 08:23:33,106 INFO L78 Accepts]: Start accepts. Automaton has 4537 states and 8554 transitions. Word has length 58 [2020-12-23 08:23:33,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:33,107 INFO L481 AbstractCegarLoop]: Abstraction has 4537 states and 8554 transitions. [2020-12-23 08:23:33,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:23:33,107 INFO L276 IsEmpty]: Start isEmpty. Operand 4537 states and 8554 transitions. [2020-12-23 08:23:33,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 08:23:33,111 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:33,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:33,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:23:33,112 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:33,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:33,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1255951402, now seen corresponding path program 1 times [2020-12-23 08:23:33,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:33,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016577065] [2020-12-23 08:23:33,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:33,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:33,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016577065] [2020-12-23 08:23:33,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:33,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:23:33,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174645106] [2020-12-23 08:23:33,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:23:33,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:33,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:23:33,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:23:33,216 INFO L87 Difference]: Start difference. First operand 4537 states and 8554 transitions. Second operand 4 states. [2020-12-23 08:23:33,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:33,568 INFO L93 Difference]: Finished difference Result 9013 states and 17029 transitions. [2020-12-23 08:23:33,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:23:33,569 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-12-23 08:23:33,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:33,578 INFO L225 Difference]: With dead ends: 9013 [2020-12-23 08:23:33,578 INFO L226 Difference]: Without dead ends: 4523 [2020-12-23 08:23:33,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:23:33,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4523 states. [2020-12-23 08:23:33,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4523 to 4523. [2020-12-23 08:23:33,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4523 states. [2020-12-23 08:23:33,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4523 states to 4523 states and 8533 transitions. [2020-12-23 08:23:33,888 INFO L78 Accepts]: Start accepts. Automaton has 4523 states and 8533 transitions. Word has length 58 [2020-12-23 08:23:33,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:33,890 INFO L481 AbstractCegarLoop]: Abstraction has 4523 states and 8533 transitions. [2020-12-23 08:23:33,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:23:33,890 INFO L276 IsEmpty]: Start isEmpty. Operand 4523 states and 8533 transitions. [2020-12-23 08:23:33,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 08:23:33,896 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:33,896 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:33,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:23:33,896 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:33,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:33,897 INFO L82 PathProgramCache]: Analyzing trace with hash -244440867, now seen corresponding path program 1 times [2020-12-23 08:23:33,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:33,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484409095] [2020-12-23 08:23:33,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:34,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:34,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484409095] [2020-12-23 08:23:34,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:34,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:23:34,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011117758] [2020-12-23 08:23:34,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:23:34,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:34,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:23:34,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:23:34,024 INFO L87 Difference]: Start difference. First operand 4523 states and 8533 transitions. Second operand 6 states. [2020-12-23 08:23:34,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:34,456 INFO L93 Difference]: Finished difference Result 9013 states and 17024 transitions. [2020-12-23 08:23:34,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:23:34,456 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2020-12-23 08:23:34,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:34,463 INFO L225 Difference]: With dead ends: 9013 [2020-12-23 08:23:34,463 INFO L226 Difference]: Without dead ends: 4543 [2020-12-23 08:23:34,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:23:34,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4543 states. [2020-12-23 08:23:34,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4543 to 4523. [2020-12-23 08:23:34,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4523 states. [2020-12-23 08:23:34,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4523 states to 4523 states and 8532 transitions. [2020-12-23 08:23:34,706 INFO L78 Accepts]: Start accepts. Automaton has 4523 states and 8532 transitions. Word has length 59 [2020-12-23 08:23:34,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:34,706 INFO L481 AbstractCegarLoop]: Abstraction has 4523 states and 8532 transitions. [2020-12-23 08:23:34,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:23:34,706 INFO L276 IsEmpty]: Start isEmpty. Operand 4523 states and 8532 transitions. [2020-12-23 08:23:34,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 08:23:34,708 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:34,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:34,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:23:34,708 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:34,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:34,709 INFO L82 PathProgramCache]: Analyzing trace with hash -558837487, now seen corresponding path program 1 times [2020-12-23 08:23:34,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:34,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077300858] [2020-12-23 08:23:34,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:34,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:34,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077300858] [2020-12-23 08:23:34,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:34,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:23:34,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019763482] [2020-12-23 08:23:34,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:23:34,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:34,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:23:34,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:23:34,799 INFO L87 Difference]: Start difference. First operand 4523 states and 8532 transitions. Second operand 6 states. [2020-12-23 08:23:35,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:35,207 INFO L93 Difference]: Finished difference Result 9003 states and 17005 transitions. [2020-12-23 08:23:35,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:23:35,207 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-12-23 08:23:35,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:35,215 INFO L225 Difference]: With dead ends: 9003 [2020-12-23 08:23:35,215 INFO L226 Difference]: Without dead ends: 4538 [2020-12-23 08:23:35,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:23:35,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2020-12-23 08:23:35,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 4523. [2020-12-23 08:23:35,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4523 states. [2020-12-23 08:23:35,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4523 states to 4523 states and 8531 transitions. [2020-12-23 08:23:35,444 INFO L78 Accepts]: Start accepts. Automaton has 4523 states and 8531 transitions. Word has length 60 [2020-12-23 08:23:35,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:35,444 INFO L481 AbstractCegarLoop]: Abstraction has 4523 states and 8531 transitions. [2020-12-23 08:23:35,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:23:35,444 INFO L276 IsEmpty]: Start isEmpty. Operand 4523 states and 8531 transitions. [2020-12-23 08:23:35,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 08:23:35,446 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:35,446 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:35,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:23:35,446 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:35,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:35,447 INFO L82 PathProgramCache]: Analyzing trace with hash 2018540690, now seen corresponding path program 1 times [2020-12-23 08:23:35,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:35,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853038991] [2020-12-23 08:23:35,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:35,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:35,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853038991] [2020-12-23 08:23:35,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:35,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 08:23:35,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533288703] [2020-12-23 08:23:35,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:23:35,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:35,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:23:35,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:23:35,538 INFO L87 Difference]: Start difference. First operand 4523 states and 8531 transitions. Second operand 3 states. [2020-12-23 08:23:36,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:36,220 INFO L93 Difference]: Finished difference Result 10647 states and 20121 transitions. [2020-12-23 08:23:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:23:36,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-12-23 08:23:36,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:36,235 INFO L225 Difference]: With dead ends: 10647 [2020-12-23 08:23:36,235 INFO L226 Difference]: Without dead ends: 8360 [2020-12-23 08:23:36,241 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 [2020-12-23 08:23:36,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8360 states. [2020-12-23 08:23:36,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8360 to 6381. [2020-12-23 08:23:36,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6381 states. [2020-12-23 08:23:36,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6381 states to 6381 states and 12049 transitions. [2020-12-23 08:23:36,635 INFO L78 Accepts]: Start accepts. Automaton has 6381 states and 12049 transitions. Word has length 61 [2020-12-23 08:23:36,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:36,635 INFO L481 AbstractCegarLoop]: Abstraction has 6381 states and 12049 transitions. [2020-12-23 08:23:36,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:23:36,635 INFO L276 IsEmpty]: Start isEmpty. Operand 6381 states and 12049 transitions. [2020-12-23 08:23:36,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 08:23:36,640 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:36,640 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:36,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:23:36,641 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:36,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:36,641 INFO L82 PathProgramCache]: Analyzing trace with hash 582803611, now seen corresponding path program 1 times [2020-12-23 08:23:36,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:36,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046570226] [2020-12-23 08:23:36,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:36,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:36,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046570226] [2020-12-23 08:23:36,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:36,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:23:36,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952043839] [2020-12-23 08:23:36,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:23:36,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:36,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:23:36,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:23:36,737 INFO L87 Difference]: Start difference. First operand 6381 states and 12049 transitions. Second operand 5 states. [2020-12-23 08:23:37,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:37,435 INFO L93 Difference]: Finished difference Result 12669 states and 23770 transitions. [2020-12-23 08:23:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:23:37,436 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-12-23 08:23:37,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:37,448 INFO L225 Difference]: With dead ends: 12669 [2020-12-23 08:23:37,448 INFO L226 Difference]: Without dead ends: 7456 [2020-12-23 08:23:37,456 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 [2020-12-23 08:23:37,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7456 states. [2020-12-23 08:23:37,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7456 to 5210. [2020-12-23 08:23:37,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5210 states. [2020-12-23 08:23:37,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5210 states to 5210 states and 9778 transitions. [2020-12-23 08:23:37,823 INFO L78 Accepts]: Start accepts. Automaton has 5210 states and 9778 transitions. Word has length 74 [2020-12-23 08:23:37,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:37,823 INFO L481 AbstractCegarLoop]: Abstraction has 5210 states and 9778 transitions. [2020-12-23 08:23:37,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:23:37,823 INFO L276 IsEmpty]: Start isEmpty. Operand 5210 states and 9778 transitions. [2020-12-23 08:23:37,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:23:37,825 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:37,825 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:37,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:23:37,826 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:37,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:37,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1996387262, now seen corresponding path program 1 times [2020-12-23 08:23:37,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:37,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101762445] [2020-12-23 08:23:37,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:37,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101762445] [2020-12-23 08:23:37,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:37,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:23:37,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573691902] [2020-12-23 08:23:37,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:23:37,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:37,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:23:37,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:23:37,900 INFO L87 Difference]: Start difference. First operand 5210 states and 9778 transitions. Second operand 5 states. [2020-12-23 08:23:40,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:40,541 INFO L93 Difference]: Finished difference Result 20931 states and 39209 transitions. [2020-12-23 08:23:40,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:23:40,541 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2020-12-23 08:23:40,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:40,561 INFO L225 Difference]: With dead ends: 20931 [2020-12-23 08:23:40,562 INFO L226 Difference]: Without dead ends: 15797 [2020-12-23 08:23:40,570 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 [2020-12-23 08:23:40,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15797 states. [2020-12-23 08:23:40,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15797 to 5224. [2020-12-23 08:23:40,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5224 states. [2020-12-23 08:23:40,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5224 states to 5224 states and 9792 transitions. [2020-12-23 08:23:40,918 INFO L78 Accepts]: Start accepts. Automaton has 5224 states and 9792 transitions. Word has length 75 [2020-12-23 08:23:40,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:40,919 INFO L481 AbstractCegarLoop]: Abstraction has 5224 states and 9792 transitions. [2020-12-23 08:23:40,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:23:40,919 INFO L276 IsEmpty]: Start isEmpty. Operand 5224 states and 9792 transitions. [2020-12-23 08:23:40,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 08:23:40,921 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:40,921 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:40,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:23:40,921 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:40,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:40,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1669216304, now seen corresponding path program 1 times [2020-12-23 08:23:40,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:40,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864907840] [2020-12-23 08:23:40,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:40,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864907840] [2020-12-23 08:23:40,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:40,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:23:40,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311734801] [2020-12-23 08:23:40,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:23:40,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:40,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:23:40,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:23:40,996 INFO L87 Difference]: Start difference. First operand 5224 states and 9792 transitions. Second operand 4 states. [2020-12-23 08:23:43,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:43,665 INFO L93 Difference]: Finished difference Result 15451 states and 28868 transitions. [2020-12-23 08:23:43,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:23:43,665 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 76 [2020-12-23 08:23:43,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:43,681 INFO L225 Difference]: With dead ends: 15451 [2020-12-23 08:23:43,681 INFO L226 Difference]: Without dead ends: 10290 [2020-12-23 08:23:43,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:23:43,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10290 states. [2020-12-23 08:23:44,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10290 to 6646. [2020-12-23 08:23:44,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6646 states. [2020-12-23 08:23:44,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6646 states to 6646 states and 12320 transitions. [2020-12-23 08:23:44,028 INFO L78 Accepts]: Start accepts. Automaton has 6646 states and 12320 transitions. Word has length 76 [2020-12-23 08:23:44,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:44,028 INFO L481 AbstractCegarLoop]: Abstraction has 6646 states and 12320 transitions. [2020-12-23 08:23:44,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:23:44,028 INFO L276 IsEmpty]: Start isEmpty. Operand 6646 states and 12320 transitions. [2020-12-23 08:23:44,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:23:44,030 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:44,031 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:44,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:23:44,031 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:44,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:44,031 INFO L82 PathProgramCache]: Analyzing trace with hash -688334952, now seen corresponding path program 1 times [2020-12-23 08:23:44,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:44,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359998539] [2020-12-23 08:23:44,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:44,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:44,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359998539] [2020-12-23 08:23:44,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:44,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:23:44,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588267505] [2020-12-23 08:23:44,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:23:44,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:44,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:23:44,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:23:44,126 INFO L87 Difference]: Start difference. First operand 6646 states and 12320 transitions. Second operand 5 states. [2020-12-23 08:23:46,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:46,121 INFO L93 Difference]: Finished difference Result 43958 states and 81859 transitions. [2020-12-23 08:23:46,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:23:46,122 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2020-12-23 08:23:46,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:46,174 INFO L225 Difference]: With dead ends: 43958 [2020-12-23 08:23:46,174 INFO L226 Difference]: Without dead ends: 37384 [2020-12-23 08:23:46,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:23:46,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37384 states. [2020-12-23 08:23:46,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37384 to 10546. [2020-12-23 08:23:46,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10546 states. [2020-12-23 08:23:46,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10546 states to 10546 states and 19586 transitions. [2020-12-23 08:23:46,900 INFO L78 Accepts]: Start accepts. Automaton has 10546 states and 19586 transitions. Word has length 78 [2020-12-23 08:23:46,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:46,900 INFO L481 AbstractCegarLoop]: Abstraction has 10546 states and 19586 transitions. [2020-12-23 08:23:46,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:23:46,900 INFO L276 IsEmpty]: Start isEmpty. Operand 10546 states and 19586 transitions. [2020-12-23 08:23:46,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:23:46,902 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:46,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:46,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:23:46,902 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:46,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:46,903 INFO L82 PathProgramCache]: Analyzing trace with hash -822348458, now seen corresponding path program 1 times [2020-12-23 08:23:46,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:46,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151926005] [2020-12-23 08:23:46,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:46,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:46,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151926005] [2020-12-23 08:23:46,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:46,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:23:46,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658244822] [2020-12-23 08:23:46,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:23:46,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:46,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:23:46,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:23:46,971 INFO L87 Difference]: Start difference. First operand 10546 states and 19586 transitions. Second operand 4 states. [2020-12-23 08:23:48,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:48,336 INFO L93 Difference]: Finished difference Result 31709 states and 58941 transitions. [2020-12-23 08:23:48,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:23:48,337 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2020-12-23 08:23:48,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:48,367 INFO L225 Difference]: With dead ends: 31709 [2020-12-23 08:23:48,367 INFO L226 Difference]: Without dead ends: 25303 [2020-12-23 08:23:48,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:23:48,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25303 states. [2020-12-23 08:23:49,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25303 to 16217. [2020-12-23 08:23:49,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16217 states. [2020-12-23 08:23:49,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16217 states to 16217 states and 30124 transitions. [2020-12-23 08:23:49,200 INFO L78 Accepts]: Start accepts. Automaton has 16217 states and 30124 transitions. Word has length 78 [2020-12-23 08:23:49,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:49,200 INFO L481 AbstractCegarLoop]: Abstraction has 16217 states and 30124 transitions. [2020-12-23 08:23:49,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:23:49,200 INFO L276 IsEmpty]: Start isEmpty. Operand 16217 states and 30124 transitions. [2020-12-23 08:23:49,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 08:23:49,202 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:49,202 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:49,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:23:49,202 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:49,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:49,203 INFO L82 PathProgramCache]: Analyzing trace with hash 988763232, now seen corresponding path program 1 times [2020-12-23 08:23:49,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:49,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727521218] [2020-12-23 08:23:49,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:49,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:49,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727521218] [2020-12-23 08:23:49,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:49,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:23:49,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5303019] [2020-12-23 08:23:49,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:23:49,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:49,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:23:49,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:23:49,273 INFO L87 Difference]: Start difference. First operand 16217 states and 30124 transitions. Second operand 4 states. [2020-12-23 08:23:50,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:50,625 INFO L93 Difference]: Finished difference Result 37479 states and 69568 transitions. [2020-12-23 08:23:50,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:23:50,627 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2020-12-23 08:23:50,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:50,663 INFO L225 Difference]: With dead ends: 37479 [2020-12-23 08:23:50,663 INFO L226 Difference]: Without dead ends: 25649 [2020-12-23 08:23:50,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:23:50,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25649 states. [2020-12-23 08:23:51,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25649 to 16237. [2020-12-23 08:23:51,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16237 states. [2020-12-23 08:23:51,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16237 states to 16237 states and 30132 transitions. [2020-12-23 08:23:51,609 INFO L78 Accepts]: Start accepts. Automaton has 16237 states and 30132 transitions. Word has length 80 [2020-12-23 08:23:51,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:51,609 INFO L481 AbstractCegarLoop]: Abstraction has 16237 states and 30132 transitions. [2020-12-23 08:23:51,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:23:51,609 INFO L276 IsEmpty]: Start isEmpty. Operand 16237 states and 30132 transitions. [2020-12-23 08:23:51,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 08:23:51,612 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:51,612 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] [2020-12-23 08:23:51,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:23:51,613 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:51,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:51,613 INFO L82 PathProgramCache]: Analyzing trace with hash -948934775, now seen corresponding path program 1 times [2020-12-23 08:23:51,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:51,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278593489] [2020-12-23 08:23:51,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:51,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:51,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278593489] [2020-12-23 08:23:51,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:51,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:23:51,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298326999] [2020-12-23 08:23:51,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:23:51,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:51,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:23:51,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:23:51,742 INFO L87 Difference]: Start difference. First operand 16237 states and 30132 transitions. Second operand 7 states. [2020-12-23 08:23:54,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:54,380 INFO L93 Difference]: Finished difference Result 49796 states and 92400 transitions. [2020-12-23 08:23:54,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 08:23:54,381 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2020-12-23 08:23:54,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:54,426 INFO L225 Difference]: With dead ends: 49796 [2020-12-23 08:23:54,426 INFO L226 Difference]: Without dead ends: 37724 [2020-12-23 08:23:54,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:23:54,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37724 states. [2020-12-23 08:23:55,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37724 to 16249. [2020-12-23 08:23:55,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16249 states. [2020-12-23 08:23:55,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16249 states to 16249 states and 30133 transitions. [2020-12-23 08:23:55,312 INFO L78 Accepts]: Start accepts. Automaton has 16249 states and 30133 transitions. Word has length 86 [2020-12-23 08:23:55,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:55,312 INFO L481 AbstractCegarLoop]: Abstraction has 16249 states and 30133 transitions. [2020-12-23 08:23:55,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:23:55,312 INFO L276 IsEmpty]: Start isEmpty. Operand 16249 states and 30133 transitions. [2020-12-23 08:23:55,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 08:23:55,315 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:55,315 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:23:55,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:23:55,315 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:55,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:55,316 INFO L82 PathProgramCache]: Analyzing trace with hash -730080057, now seen corresponding path program 1 times [2020-12-23 08:23:55,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:55,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940960438] [2020-12-23 08:23:55,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:55,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:55,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940960438] [2020-12-23 08:23:55,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:55,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:23:55,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514956967] [2020-12-23 08:23:55,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:23:55,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:55,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:23:55,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:23:55,408 INFO L87 Difference]: Start difference. First operand 16249 states and 30133 transitions. Second operand 5 states. [2020-12-23 08:23:56,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:56,889 INFO L93 Difference]: Finished difference Result 28102 states and 52107 transitions. [2020-12-23 08:23:56,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:23:56,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2020-12-23 08:23:56,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:56,910 INFO L225 Difference]: With dead ends: 28102 [2020-12-23 08:23:56,910 INFO L226 Difference]: Without dead ends: 16276 [2020-12-23 08:23:56,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:23:56,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16276 states. [2020-12-23 08:23:57,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16276 to 16249. [2020-12-23 08:23:57,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16249 states. [2020-12-23 08:23:57,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16249 states to 16249 states and 30094 transitions. [2020-12-23 08:23:57,975 INFO L78 Accepts]: Start accepts. Automaton has 16249 states and 30094 transitions. Word has length 86 [2020-12-23 08:23:57,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:23:57,975 INFO L481 AbstractCegarLoop]: Abstraction has 16249 states and 30094 transitions. [2020-12-23 08:23:57,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:23:57,975 INFO L276 IsEmpty]: Start isEmpty. Operand 16249 states and 30094 transitions. [2020-12-23 08:23:57,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 08:23:57,978 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:23:57,979 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] [2020-12-23 08:23:57,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:23:57,979 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:23:57,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:23:57,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1316886071, now seen corresponding path program 1 times [2020-12-23 08:23:57,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:23:57,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413397683] [2020-12-23 08:23:57,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:23:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:23:58,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:23:58,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413397683] [2020-12-23 08:23:58,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:23:58,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:23:58,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293698531] [2020-12-23 08:23:58,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:23:58,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:23:58,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:23:58,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:23:58,050 INFO L87 Difference]: Start difference. First operand 16249 states and 30094 transitions. Second operand 3 states. [2020-12-23 08:23:59,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:23:59,304 INFO L93 Difference]: Finished difference Result 30569 states and 56618 transitions. [2020-12-23 08:23:59,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:23:59,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-12-23 08:23:59,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:23:59,332 INFO L225 Difference]: With dead ends: 30569 [2020-12-23 08:23:59,333 INFO L226 Difference]: Without dead ends: 16207 [2020-12-23 08:23:59,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:23:59,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16207 states. [2020-12-23 08:24:00,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16207 to 16207. [2020-12-23 08:24:00,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16207 states. [2020-12-23 08:24:00,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16207 states to 16207 states and 30012 transitions. [2020-12-23 08:24:00,532 INFO L78 Accepts]: Start accepts. Automaton has 16207 states and 30012 transitions. Word has length 86 [2020-12-23 08:24:00,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:24:00,533 INFO L481 AbstractCegarLoop]: Abstraction has 16207 states and 30012 transitions. [2020-12-23 08:24:00,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:24:00,533 INFO L276 IsEmpty]: Start isEmpty. Operand 16207 states and 30012 transitions. [2020-12-23 08:24:00,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 08:24:00,535 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:24:00,535 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] [2020-12-23 08:24:00,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:24:00,535 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:24:00,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:24:00,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1846401811, now seen corresponding path program 1 times [2020-12-23 08:24:00,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:24:00,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570400654] [2020-12-23 08:24:00,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:24:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:24:00,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:24:00,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570400654] [2020-12-23 08:24:00,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:24:00,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:24:00,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990150285] [2020-12-23 08:24:00,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:24:00,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:24:00,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:24:00,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:24:00,695 INFO L87 Difference]: Start difference. First operand 16207 states and 30012 transitions. Second operand 5 states. [2020-12-23 08:24:03,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:24:03,418 INFO L93 Difference]: Finished difference Result 53509 states and 99218 transitions. [2020-12-23 08:24:03,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:24:03,418 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2020-12-23 08:24:03,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:24:03,470 INFO L225 Difference]: With dead ends: 53509 [2020-12-23 08:24:03,470 INFO L226 Difference]: Without dead ends: 41730 [2020-12-23 08:24:03,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:24:03,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41730 states. [2020-12-23 08:24:04,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41730 to 16207. [2020-12-23 08:24:04,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16207 states. [2020-12-23 08:24:04,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16207 states to 16207 states and 29992 transitions. [2020-12-23 08:24:04,570 INFO L78 Accepts]: Start accepts. Automaton has 16207 states and 29992 transitions. Word has length 88 [2020-12-23 08:24:04,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:24:04,570 INFO L481 AbstractCegarLoop]: Abstraction has 16207 states and 29992 transitions. [2020-12-23 08:24:04,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:24:04,570 INFO L276 IsEmpty]: Start isEmpty. Operand 16207 states and 29992 transitions. [2020-12-23 08:24:04,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 08:24:04,572 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:24:04,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:24:04,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:24:04,573 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:24:04,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:24:04,573 INFO L82 PathProgramCache]: Analyzing trace with hash 2133257835, now seen corresponding path program 1 times [2020-12-23 08:24:04,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:24:04,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195426997] [2020-12-23 08:24:04,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:24:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:24:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:24:04,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195426997] [2020-12-23 08:24:04,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:24:04,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:24:04,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401920931] [2020-12-23 08:24:04,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:24:04,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:24:04,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:24:04,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:24:04,682 INFO L87 Difference]: Start difference. First operand 16207 states and 29992 transitions. Second operand 5 states. [2020-12-23 08:24:06,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:24:06,387 INFO L93 Difference]: Finished difference Result 26821 states and 49809 transitions. [2020-12-23 08:24:06,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:24:06,387 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2020-12-23 08:24:06,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:24:06,419 INFO L225 Difference]: With dead ends: 26821 [2020-12-23 08:24:06,419 INFO L226 Difference]: Without dead ends: 26808 [2020-12-23 08:24:06,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:24:06,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26808 states. [2020-12-23 08:24:07,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26808 to 16222. [2020-12-23 08:24:07,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16222 states. [2020-12-23 08:24:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16222 states to 16222 states and 30007 transitions. [2020-12-23 08:24:07,423 INFO L78 Accepts]: Start accepts. Automaton has 16222 states and 30007 transitions. Word has length 88 [2020-12-23 08:24:07,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:24:07,423 INFO L481 AbstractCegarLoop]: Abstraction has 16222 states and 30007 transitions. [2020-12-23 08:24:07,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:24:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 16222 states and 30007 transitions. [2020-12-23 08:24:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 08:24:07,427 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:24:07,427 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] [2020-12-23 08:24:07,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:24:07,427 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:24:07,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:24:07,428 INFO L82 PathProgramCache]: Analyzing trace with hash -668119792, now seen corresponding path program 1 times [2020-12-23 08:24:07,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:24:07,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090093021] [2020-12-23 08:24:07,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:24:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:24:07,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:24:07,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090093021] [2020-12-23 08:24:07,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:24:07,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:24:07,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810601214] [2020-12-23 08:24:07,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:24:07,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:24:07,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:24:07,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:24:07,517 INFO L87 Difference]: Start difference. First operand 16222 states and 30007 transitions. Second operand 7 states. [2020-12-23 08:24:09,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:24:09,384 INFO L93 Difference]: Finished difference Result 27860 states and 51449 transitions. [2020-12-23 08:24:09,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 08:24:09,384 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-12-23 08:24:09,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:24:09,419 INFO L225 Difference]: With dead ends: 27860 [2020-12-23 08:24:09,419 INFO L226 Difference]: Without dead ends: 27847 [2020-12-23 08:24:09,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-12-23 08:24:09,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27847 states. [2020-12-23 08:24:10,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27847 to 16482. [2020-12-23 08:24:10,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16482 states. [2020-12-23 08:24:10,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16482 states to 16482 states and 30398 transitions. [2020-12-23 08:24:10,739 INFO L78 Accepts]: Start accepts. Automaton has 16482 states and 30398 transitions. Word has length 90 [2020-12-23 08:24:10,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:24:10,740 INFO L481 AbstractCegarLoop]: Abstraction has 16482 states and 30398 transitions. [2020-12-23 08:24:10,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:24:10,740 INFO L276 IsEmpty]: Start isEmpty. Operand 16482 states and 30398 transitions. [2020-12-23 08:24:10,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 08:24:10,743 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:24:10,743 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:24:10,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 08:24:10,744 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:24:10,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:24:10,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1664271706, now seen corresponding path program 1 times [2020-12-23 08:24:10,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:24:10,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119112818] [2020-12-23 08:24:10,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:24:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:24:10,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:24:10,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119112818] [2020-12-23 08:24:10,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:24:10,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:24:10,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740762702] [2020-12-23 08:24:10,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:24:10,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:24:10,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:24:10,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:24:10,864 INFO L87 Difference]: Start difference. First operand 16482 states and 30398 transitions. Second operand 5 states. [2020-12-23 08:24:13,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:24:13,627 INFO L93 Difference]: Finished difference Result 41794 states and 76929 transitions. [2020-12-23 08:24:13,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:24:13,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2020-12-23 08:24:13,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:24:13,661 INFO L225 Difference]: With dead ends: 41794 [2020-12-23 08:24:13,661 INFO L226 Difference]: Without dead ends: 27299 [2020-12-23 08:24:13,671 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 [2020-12-23 08:24:13,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27299 states. [2020-12-23 08:24:14,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27299 to 16482. [2020-12-23 08:24:14,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16482 states. [2020-12-23 08:24:14,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16482 states to 16482 states and 30383 transitions. [2020-12-23 08:24:14,800 INFO L78 Accepts]: Start accepts. Automaton has 16482 states and 30383 transitions. Word has length 97 [2020-12-23 08:24:14,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:24:14,800 INFO L481 AbstractCegarLoop]: Abstraction has 16482 states and 30383 transitions. [2020-12-23 08:24:14,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:24:14,800 INFO L276 IsEmpty]: Start isEmpty. Operand 16482 states and 30383 transitions. [2020-12-23 08:24:14,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 08:24:14,803 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:24:14,803 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] [2020-12-23 08:24:14,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 08:24:14,803 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:24:14,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:24:14,804 INFO L82 PathProgramCache]: Analyzing trace with hash -355351742, now seen corresponding path program 1 times [2020-12-23 08:24:14,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:24:14,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543047489] [2020-12-23 08:24:14,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:24:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:24:14,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:24:14,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543047489] [2020-12-23 08:24:14,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:24:14,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:24:14,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179295728] [2020-12-23 08:24:14,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:24:14,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:24:14,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:24:14,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:24:14,876 INFO L87 Difference]: Start difference. First operand 16482 states and 30383 transitions. Second operand 5 states. [2020-12-23 08:24:17,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:24:17,928 INFO L93 Difference]: Finished difference Result 41220 states and 76027 transitions. [2020-12-23 08:24:17,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:24:17,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2020-12-23 08:24:17,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:24:17,959 INFO L225 Difference]: With dead ends: 41220 [2020-12-23 08:24:17,960 INFO L226 Difference]: Without dead ends: 26556 [2020-12-23 08:24:17,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:24:17,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26556 states. [2020-12-23 08:24:19,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26556 to 16482. [2020-12-23 08:24:19,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16482 states. [2020-12-23 08:24:19,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16482 states to 16482 states and 30119 transitions. [2020-12-23 08:24:19,212 INFO L78 Accepts]: Start accepts. Automaton has 16482 states and 30119 transitions. Word has length 101 [2020-12-23 08:24:19,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:24:19,212 INFO L481 AbstractCegarLoop]: Abstraction has 16482 states and 30119 transitions. [2020-12-23 08:24:19,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:24:19,212 INFO L276 IsEmpty]: Start isEmpty. Operand 16482 states and 30119 transitions. [2020-12-23 08:24:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 08:24:19,216 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:24:19,216 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] [2020-12-23 08:24:19,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 08:24:19,217 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:24:19,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:24:19,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1021217847, now seen corresponding path program 1 times [2020-12-23 08:24:19,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:24:19,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178969934] [2020-12-23 08:24:19,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:24:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:24:19,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:24:19,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178969934] [2020-12-23 08:24:19,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:24:19,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:24:19,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940845537] [2020-12-23 08:24:19,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:24:19,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:24:19,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:24:19,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:24:19,362 INFO L87 Difference]: Start difference. First operand 16482 states and 30119 transitions. Second operand 5 states. [2020-12-23 08:24:23,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:24:23,269 INFO L93 Difference]: Finished difference Result 56843 states and 104191 transitions. [2020-12-23 08:24:23,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:24:23,270 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2020-12-23 08:24:23,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:24:23,322 INFO L225 Difference]: With dead ends: 56843 [2020-12-23 08:24:23,322 INFO L226 Difference]: Without dead ends: 44563 [2020-12-23 08:24:23,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:24:23,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44563 states. [2020-12-23 08:24:24,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44563 to 16482. [2020-12-23 08:24:24,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16482 states. [2020-12-23 08:24:24,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16482 states to 16482 states and 30105 transitions. [2020-12-23 08:24:24,665 INFO L78 Accepts]: Start accepts. Automaton has 16482 states and 30105 transitions. Word has length 102 [2020-12-23 08:24:24,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:24:24,666 INFO L481 AbstractCegarLoop]: Abstraction has 16482 states and 30105 transitions. [2020-12-23 08:24:24,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:24:24,666 INFO L276 IsEmpty]: Start isEmpty. Operand 16482 states and 30105 transitions. [2020-12-23 08:24:24,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-23 08:24:24,668 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:24:24,668 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] [2020-12-23 08:24:24,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-23 08:24:24,669 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:24:24,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:24:24,669 INFO L82 PathProgramCache]: Analyzing trace with hash 258642984, now seen corresponding path program 1 times [2020-12-23 08:24:24,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:24:24,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66880718] [2020-12-23 08:24:24,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:24:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:24:24,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:24:24,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66880718] [2020-12-23 08:24:24,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:24:24,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:24:24,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343014571] [2020-12-23 08:24:24,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:24:24,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:24:24,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:24:24,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:24:24,742 INFO L87 Difference]: Start difference. First operand 16482 states and 30105 transitions. Second operand 5 states. [2020-12-23 08:24:26,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:24:26,139 INFO L93 Difference]: Finished difference Result 28944 states and 52726 transitions. [2020-12-23 08:24:26,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:24:26,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2020-12-23 08:24:26,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:24:26,161 INFO L225 Difference]: With dead ends: 28944 [2020-12-23 08:24:26,161 INFO L226 Difference]: Without dead ends: 16495 [2020-12-23 08:24:26,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:24:26,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16495 states. [2020-12-23 08:24:27,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16495 to 16482. [2020-12-23 08:24:27,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16482 states. [2020-12-23 08:24:27,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16482 states to 16482 states and 29839 transitions. [2020-12-23 08:24:27,403 INFO L78 Accepts]: Start accepts. Automaton has 16482 states and 29839 transitions. Word has length 103 [2020-12-23 08:24:27,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:24:27,403 INFO L481 AbstractCegarLoop]: Abstraction has 16482 states and 29839 transitions. [2020-12-23 08:24:27,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:24:27,403 INFO L276 IsEmpty]: Start isEmpty. Operand 16482 states and 29839 transitions. [2020-12-23 08:24:27,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 08:24:27,406 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:24:27,406 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] [2020-12-23 08:24:27,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-23 08:24:27,406 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:24:27,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:24:27,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1479569835, now seen corresponding path program 1 times [2020-12-23 08:24:27,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:24:27,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790524129] [2020-12-23 08:24:27,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:24:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:24:27,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:24:27,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790524129] [2020-12-23 08:24:27,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:24:27,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:24:27,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486087727] [2020-12-23 08:24:27,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:24:27,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:24:27,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:24:27,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:24:27,540 INFO L87 Difference]: Start difference. First operand 16482 states and 29839 transitions. Second operand 5 states. [2020-12-23 08:24:30,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:24:30,695 INFO L93 Difference]: Finished difference Result 43157 states and 78416 transitions. [2020-12-23 08:24:30,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:24:30,696 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-12-23 08:24:30,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:24:30,731 INFO L225 Difference]: With dead ends: 43157 [2020-12-23 08:24:30,731 INFO L226 Difference]: Without dead ends: 31145 [2020-12-23 08:24:30,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:24:30,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31145 states. [2020-12-23 08:24:32,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31145 to 16494. [2020-12-23 08:24:32,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16494 states. [2020-12-23 08:24:32,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16494 states to 16494 states and 29836 transitions. [2020-12-23 08:24:32,038 INFO L78 Accepts]: Start accepts. Automaton has 16494 states and 29836 transitions. Word has length 104 [2020-12-23 08:24:32,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:24:32,038 INFO L481 AbstractCegarLoop]: Abstraction has 16494 states and 29836 transitions. [2020-12-23 08:24:32,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:24:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 16494 states and 29836 transitions. [2020-12-23 08:24:32,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 08:24:32,041 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:24:32,041 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] [2020-12-23 08:24:32,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-23 08:24:32,042 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:24:32,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:24:32,042 INFO L82 PathProgramCache]: Analyzing trace with hash 115998695, now seen corresponding path program 1 times [2020-12-23 08:24:32,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:24:32,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583591306] [2020-12-23 08:24:32,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:24:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:24:32,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:24:32,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583591306] [2020-12-23 08:24:32,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:24:32,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:24:32,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052108864] [2020-12-23 08:24:32,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:24:32,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:24:32,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:24:32,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:24:32,175 INFO L87 Difference]: Start difference. First operand 16494 states and 29836 transitions. Second operand 7 states. [2020-12-23 08:24:34,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:24:34,347 INFO L93 Difference]: Finished difference Result 28141 states and 51032 transitions. [2020-12-23 08:24:34,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:24:34,347 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2020-12-23 08:24:34,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:24:34,378 INFO L225 Difference]: With dead ends: 28141 [2020-12-23 08:24:34,378 INFO L226 Difference]: Without dead ends: 28128 [2020-12-23 08:24:34,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-12-23 08:24:34,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28128 states. [2020-12-23 08:24:35,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28128 to 16524. [2020-12-23 08:24:35,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16524 states. [2020-12-23 08:24:35,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16524 states to 16524 states and 29861 transitions. [2020-12-23 08:24:35,631 INFO L78 Accepts]: Start accepts. Automaton has 16524 states and 29861 transitions. Word has length 104 [2020-12-23 08:24:35,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:24:35,632 INFO L481 AbstractCegarLoop]: Abstraction has 16524 states and 29861 transitions. [2020-12-23 08:24:35,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:24:35,632 INFO L276 IsEmpty]: Start isEmpty. Operand 16524 states and 29861 transitions. [2020-12-23 08:24:35,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 08:24:35,635 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:24:35,635 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:24:35,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-23 08:24:35,636 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:24:35,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:24:35,636 INFO L82 PathProgramCache]: Analyzing trace with hash 541712043, now seen corresponding path program 1 times [2020-12-23 08:24:35,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:24:35,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639233365] [2020-12-23 08:24:35,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:24:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:24:35,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:24:35,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639233365] [2020-12-23 08:24:35,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:24:35,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:24:35,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970577688] [2020-12-23 08:24:35,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:24:35,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:24:35,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:24:35,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:24:35,733 INFO L87 Difference]: Start difference. First operand 16524 states and 29861 transitions. Second operand 5 states. [2020-12-23 08:24:42,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:24:42,587 INFO L93 Difference]: Finished difference Result 94187 states and 171850 transitions. [2020-12-23 08:24:42,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:24:42,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-12-23 08:24:42,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:24:42,684 INFO L225 Difference]: With dead ends: 94187 [2020-12-23 08:24:42,684 INFO L226 Difference]: Without dead ends: 79623 [2020-12-23 08:24:42,704 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 [2020-12-23 08:24:42,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79623 states. [2020-12-23 08:24:45,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79623 to 33022. [2020-12-23 08:24:45,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33022 states. [2020-12-23 08:24:45,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33022 states to 33022 states and 59688 transitions. [2020-12-23 08:24:45,792 INFO L78 Accepts]: Start accepts. Automaton has 33022 states and 59688 transitions. Word has length 120 [2020-12-23 08:24:45,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:24:45,793 INFO L481 AbstractCegarLoop]: Abstraction has 33022 states and 59688 transitions. [2020-12-23 08:24:45,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:24:45,793 INFO L276 IsEmpty]: Start isEmpty. Operand 33022 states and 59688 transitions. [2020-12-23 08:24:45,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 08:24:45,799 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:24:45,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:24:45,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-12-23 08:24:45,799 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:24:45,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:24:45,800 INFO L82 PathProgramCache]: Analyzing trace with hash 396054011, now seen corresponding path program 1 times [2020-12-23 08:24:45,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:24:45,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637370264] [2020-12-23 08:24:45,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:24:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:24:45,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:24:45,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637370264] [2020-12-23 08:24:45,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:24:45,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:24:45,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116594948] [2020-12-23 08:24:45,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:24:45,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:24:45,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:24:45,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:24:45,865 INFO L87 Difference]: Start difference. First operand 33022 states and 59688 transitions. Second operand 3 states. [2020-12-23 08:24:50,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:24:50,676 INFO L93 Difference]: Finished difference Result 82752 states and 149404 transitions. [2020-12-23 08:24:50,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:24:50,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 08:24:50,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:24:50,738 INFO L225 Difference]: With dead ends: 82752 [2020-12-23 08:24:50,738 INFO L226 Difference]: Without dead ends: 53327 [2020-12-23 08:24:50,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:24:50,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53327 states. [2020-12-23 08:24:53,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53327 to 32326. [2020-12-23 08:24:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32326 states. [2020-12-23 08:24:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32326 states to 32326 states and 58254 transitions. [2020-12-23 08:24:53,510 INFO L78 Accepts]: Start accepts. Automaton has 32326 states and 58254 transitions. Word has length 121 [2020-12-23 08:24:53,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:24:53,510 INFO L481 AbstractCegarLoop]: Abstraction has 32326 states and 58254 transitions. [2020-12-23 08:24:53,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:24:53,511 INFO L276 IsEmpty]: Start isEmpty. Operand 32326 states and 58254 transitions. [2020-12-23 08:24:53,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 08:24:53,517 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:24:53,517 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:24:53,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-12-23 08:24:53,517 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:24:53,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:24:53,518 INFO L82 PathProgramCache]: Analyzing trace with hash -457959647, now seen corresponding path program 1 times [2020-12-23 08:24:53,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:24:53,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132284173] [2020-12-23 08:24:53,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:24:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:24:53,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:24:53,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132284173] [2020-12-23 08:24:53,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:24:53,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:24:53,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488738527] [2020-12-23 08:24:53,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:24:53,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:24:53,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:24:53,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:24:53,614 INFO L87 Difference]: Start difference. First operand 32326 states and 58254 transitions. Second operand 5 states. [2020-12-23 08:24:56,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:24:56,225 INFO L93 Difference]: Finished difference Result 47923 states and 86379 transitions. [2020-12-23 08:24:56,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:24:56,226 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-12-23 08:24:56,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:24:56,262 INFO L225 Difference]: With dead ends: 47923 [2020-12-23 08:24:56,262 INFO L226 Difference]: Without dead ends: 31627 [2020-12-23 08:24:56,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:24:56,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31627 states. [2020-12-23 08:24:58,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31627 to 31627. [2020-12-23 08:24:58,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31627 states. [2020-12-23 08:24:58,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31627 states to 31627 states and 57015 transitions. [2020-12-23 08:24:58,804 INFO L78 Accepts]: Start accepts. Automaton has 31627 states and 57015 transitions. Word has length 121 [2020-12-23 08:24:58,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:24:58,804 INFO L481 AbstractCegarLoop]: Abstraction has 31627 states and 57015 transitions. [2020-12-23 08:24:58,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:24:58,804 INFO L276 IsEmpty]: Start isEmpty. Operand 31627 states and 57015 transitions. [2020-12-23 08:24:58,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-23 08:24:58,811 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:24:58,811 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] [2020-12-23 08:24:58,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-12-23 08:24:58,812 INFO L429 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:24:58,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:24:58,812 INFO L82 PathProgramCache]: Analyzing trace with hash -93958885, now seen corresponding path program 1 times [2020-12-23 08:24:58,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:24:58,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363375882] [2020-12-23 08:24:58,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:24:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:24:58,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:24:58,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363375882] [2020-12-23 08:24:58,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:24:58,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:24:58,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142624541] [2020-12-23 08:24:58,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:24:58,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:24:58,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:24:58,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:24:58,912 INFO L87 Difference]: Start difference. First operand 31627 states and 57015 transitions. Second operand 6 states. [2020-12-23 08:25:07,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:25:07,780 INFO L93 Difference]: Finished difference Result 101298 states and 183371 transitions. [2020-12-23 08:25:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 08:25:07,781 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2020-12-23 08:25:07,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:25:07,875 INFO L225 Difference]: With dead ends: 101298 [2020-12-23 08:25:07,875 INFO L226 Difference]: Without dead ends: 72606 [2020-12-23 08:25:07,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-12-23 08:25:07,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72606 states. [2020-12-23 08:25:11,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72606 to 48511. [2020-12-23 08:25:11,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48511 states. [2020-12-23 08:25:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48511 states to 48511 states and 88086 transitions. [2020-12-23 08:25:12,025 INFO L78 Accepts]: Start accepts. Automaton has 48511 states and 88086 transitions. Word has length 139 [2020-12-23 08:25:12,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:25:12,025 INFO L481 AbstractCegarLoop]: Abstraction has 48511 states and 88086 transitions. [2020-12-23 08:25:12,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:25:12,025 INFO L276 IsEmpty]: Start isEmpty. Operand 48511 states and 88086 transitions. [2020-12-23 08:25:12,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-23 08:25:12,035 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:25:12,035 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] [2020-12-23 08:25:12,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-12-23 08:25:12,035 INFO L429 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:25:12,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:25:12,035 INFO L82 PathProgramCache]: Analyzing trace with hash 456933250, now seen corresponding path program 1 times [2020-12-23 08:25:12,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:25:12,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388361606] [2020-12-23 08:25:12,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:25:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:25:12,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 08:25:12,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388361606] [2020-12-23 08:25:12,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:25:12,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:25:12,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818503087] [2020-12-23 08:25:12,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:25:12,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:25:12,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:25:12,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:25:12,303 INFO L87 Difference]: Start difference. First operand 48511 states and 88086 transitions. Second operand 5 states. [2020-12-23 08:25:19,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:25:19,554 INFO L93 Difference]: Finished difference Result 137352 states and 249461 transitions. [2020-12-23 08:25:19,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:25:19,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-12-23 08:25:19,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:25:19,684 INFO L225 Difference]: With dead ends: 137352 [2020-12-23 08:25:19,685 INFO L226 Difference]: Without dead ends: 96901 [2020-12-23 08:25:19,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:25:19,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96901 states. [2020-12-23 08:25:27,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96901 to 96901. [2020-12-23 08:25:27,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96901 states. [2020-12-23 08:25:27,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96901 states to 96901 states and 175986 transitions. [2020-12-23 08:25:27,816 INFO L78 Accepts]: Start accepts. Automaton has 96901 states and 175986 transitions. Word has length 140 [2020-12-23 08:25:27,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:25:27,816 INFO L481 AbstractCegarLoop]: Abstraction has 96901 states and 175986 transitions. [2020-12-23 08:25:27,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:25:27,816 INFO L276 IsEmpty]: Start isEmpty. Operand 96901 states and 175986 transitions. [2020-12-23 08:25:27,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-23 08:25:27,837 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:25:27,837 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] [2020-12-23 08:25:27,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-12-23 08:25:27,837 INFO L429 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:25:27,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:25:27,838 INFO L82 PathProgramCache]: Analyzing trace with hash 428026876, now seen corresponding path program 1 times [2020-12-23 08:25:27,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:25:27,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569276162] [2020-12-23 08:25:27,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:25:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:25:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:25:27,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569276162] [2020-12-23 08:25:27,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:25:27,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:25:27,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382179718] [2020-12-23 08:25:27,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:25:27,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:25:27,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:25:27,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:25:27,932 INFO L87 Difference]: Start difference. First operand 96901 states and 175986 transitions. Second operand 6 states. [2020-12-23 08:25:45,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:25:45,803 INFO L93 Difference]: Finished difference Result 270759 states and 491302 transitions. [2020-12-23 08:25:45,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 08:25:45,804 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2020-12-23 08:25:45,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:25:46,266 INFO L225 Difference]: With dead ends: 270759 [2020-12-23 08:25:46,266 INFO L226 Difference]: Without dead ends: 179736 [2020-12-23 08:25:46,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-12-23 08:25:46,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179736 states. [2020-12-23 08:25:57,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179736 to 130643. [2020-12-23 08:25:57,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130643 states. [2020-12-23 08:25:57,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130643 states to 130643 states and 237970 transitions. [2020-12-23 08:25:57,455 INFO L78 Accepts]: Start accepts. Automaton has 130643 states and 237970 transitions. Word has length 140 [2020-12-23 08:25:57,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:25:57,455 INFO L481 AbstractCegarLoop]: Abstraction has 130643 states and 237970 transitions. [2020-12-23 08:25:57,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:25:57,455 INFO L276 IsEmpty]: Start isEmpty. Operand 130643 states and 237970 transitions. [2020-12-23 08:25:57,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-23 08:25:57,472 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:25:57,472 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] [2020-12-23 08:25:57,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-12-23 08:25:57,472 INFO L429 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:25:57,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:25:57,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1344246038, now seen corresponding path program 1 times [2020-12-23 08:25:57,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:25:57,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108277239] [2020-12-23 08:25:57,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:25:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:25:57,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 08:25:57,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108277239] [2020-12-23 08:25:57,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:25:57,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:25:57,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712530827] [2020-12-23 08:25:57,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:25:57,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:25:57,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:25:57,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:25:57,576 INFO L87 Difference]: Start difference. First operand 130643 states and 237970 transitions. Second operand 5 states. [2020-12-23 08:26:20,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:26:20,743 INFO L93 Difference]: Finished difference Result 416956 states and 759892 transitions. [2020-12-23 08:26:20,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:26:20,743 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-12-23 08:26:20,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:26:21,559 INFO L225 Difference]: With dead ends: 416956 [2020-12-23 08:26:21,559 INFO L226 Difference]: Without dead ends: 302357 [2020-12-23 08:26:21,673 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 [2020-12-23 08:26:21,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302357 states.