/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_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:18:04,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:18:04,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:18:04,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:18:04,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:18:04,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:18:04,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:18:04,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:18:04,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:18:04,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:18:04,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:18:04,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:18:04,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:18:04,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:18:04,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:18:04,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:18:04,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:18:04,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:18:04,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:18:04,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:18:04,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:18:04,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:18:04,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:18:04,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:18:04,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:18:04,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:18:04,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:18:04,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:18:04,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:18:04,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:18:04,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:18:04,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:18:04,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:18:04,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:18:04,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:18:04,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:18:04,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:18:04,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:18:04,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:18:04,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:18:04,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:18:04,289 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:18:04,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:18:04,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:18:04,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:18:04,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:18:04,323 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:18:04,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:18:04,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:18:04,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:18:04,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:18:04,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:18:04,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:18:04,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:18:04,324 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:18:04,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:18:04,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:18:04,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:18:04,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:18:04,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:18:04,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:18:04,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:18:04,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:18:04,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:18:04,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:18:04,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:18:04,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:18:04,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:18:04,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:18:04,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:18:04,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:18:04,773 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:18:04,774 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:18:04,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec1_product21.cil.c [2021-01-06 18:18:04,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d961f76b1/5b501f945f1c499e9659c682d4885400/FLAG5fafdcd47 [2021-01-06 18:18:05,587 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:18:05,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec1_product21.cil.c [2021-01-06 18:18:05,615 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d961f76b1/5b501f945f1c499e9659c682d4885400/FLAG5fafdcd47 [2021-01-06 18:18:05,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d961f76b1/5b501f945f1c499e9659c682d4885400 [2021-01-06 18:18:05,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:18:05,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:18:05,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:18:05,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:18:05,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:18:05,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:18:05" (1/1) ... [2021-01-06 18:18:05,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14aaa766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:18:05, skipping insertion in model container [2021-01-06 18:18:05,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:18:05" (1/1) ... [2021-01-06 18:18:05,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:18:05,886 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~weight~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~weight~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~overload~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~buttonPressed~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~2,] left hand side expression in assignment: lhs: VariableLHS[~doorState~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~2,] left hand side expression in assignment: lhs: VariableLHS[~doorState~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] 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[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp18~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp19~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp24~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp25~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp26~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~nd~0,] 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[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~maxLength~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] 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___0~8,] left hand side expression in assignment: lhs: VariableLHS[~action~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~origin~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] 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_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] 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[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] 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_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~4,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] 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[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~6,] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~10,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~7,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] 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[~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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~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~24,] [2021-01-06 18:18:06,489 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_product21.cil.c[66186,66199] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~floor~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~3,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~5,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~6,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~8,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~11,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_4~0,GLOBAL] [2021-01-06 18:18:06,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:18:06,565 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~weight~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~persons_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~weight~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~floorButtons_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~overload~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~buttonPressed~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentHeading~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~currentFloorID~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~2,] left hand side expression in assignment: lhs: VariableLHS[~doorState~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~2,] left hand side expression in assignment: lhs: VariableLHS[~doorState~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] 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[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp18~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp19~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp24~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp25~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp26~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~nd~0,] 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[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~maxLength~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] 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___0~8,] left hand side expression in assignment: lhs: VariableLHS[~action~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~origin~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] 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_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] 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[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] 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_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~4,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] 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[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~6,] left hand side expression in assignment: lhs: VariableLHS[~i~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~10,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~7,] left hand side expression in assignment: lhs: VariableLHS[~i~3,] 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[~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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~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~24,] [2021-01-06 18:18:06,782 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_product21.cil.c[66186,66199] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~floor~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~3,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~5,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~6,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~8,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~11,] left hand side expression in assignment: lhs: VariableLHS[~landingButtons_spc1_4~0,GLOBAL] [2021-01-06 18:18:06,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:18:06,868 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:18:06,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:18:06 WrapperNode [2021-01-06 18:18:06,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:18:06,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:18:06,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:18:06,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:18:06,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:18:06" (1/1) ... [2021-01-06 18:18:06,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:18:06" (1/1) ... [2021-01-06 18:18:07,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:18:07,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:18:07,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:18:07,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:18:07,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:18:06" (1/1) ... [2021-01-06 18:18:07,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:18:06" (1/1) ... [2021-01-06 18:18:07,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:18:06" (1/1) ... [2021-01-06 18:18:07,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:18:06" (1/1) ... [2021-01-06 18:18:07,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:18:06" (1/1) ... [2021-01-06 18:18:07,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:18:06" (1/1) ... [2021-01-06 18:18:07,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:18:06" (1/1) ... [2021-01-06 18:18:07,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:18:07,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:18:07,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:18:07,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:18:07,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:18:06" (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 [2021-01-06 18:18:07,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:18:07,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:18:07,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:18:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:18:14,600 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:18:14,601 INFO L299 CfgBuilder]: Removed 761 assume(true) statements. [2021-01-06 18:18:14,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:18:14 BoogieIcfgContainer [2021-01-06 18:18:14,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:18:14,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:18:14,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:18:14,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:18:14,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:18:05" (1/3) ... [2021-01-06 18:18:14,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6a6ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:18:14, skipping insertion in model container [2021-01-06 18:18:14,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:18:06" (2/3) ... [2021-01-06 18:18:14,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6a6ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:18:14, skipping insertion in model container [2021-01-06 18:18:14,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:18:14" (3/3) ... [2021-01-06 18:18:14,618 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product21.cil.c [2021-01-06 18:18:14,625 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:18:14,643 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2021-01-06 18:18:14,665 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-01-06 18:18:14,711 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:18:14,711 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:18:14,711 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:18:14,711 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:18:14,711 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:18:14,712 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:18:14,712 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:18:14,712 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:18:14,783 INFO L276 IsEmpty]: Start isEmpty. Operand 3457 states. [2021-01-06 18:18:14,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-06 18:18:14,809 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:14,810 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:18:14,811 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:14,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:14,818 INFO L82 PathProgramCache]: Analyzing trace with hash -909233364, now seen corresponding path program 1 times [2021-01-06 18:18:14,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:14,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723754475] [2021-01-06 18:18:14,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:15,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723754475] [2021-01-06 18:18:15,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:15,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:18:15,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420557940] [2021-01-06 18:18:15,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:18:15,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:15,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:18:15,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:18:15,325 INFO L87 Difference]: Start difference. First operand 3457 states. Second operand 3 states. [2021-01-06 18:18:15,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:15,719 INFO L93 Difference]: Finished difference Result 10291 states and 19469 transitions. [2021-01-06 18:18:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:18:15,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2021-01-06 18:18:15,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:15,820 INFO L225 Difference]: With dead ends: 10291 [2021-01-06 18:18:15,820 INFO L226 Difference]: Without dead ends: 6839 [2021-01-06 18:18:15,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:18:15,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6839 states. [2021-01-06 18:18:16,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6839 to 3453. [2021-01-06 18:18:16,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3453 states. [2021-01-06 18:18:16,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 3453 states and 6520 transitions. [2021-01-06 18:18:16,130 INFO L78 Accepts]: Start accepts. Automaton has 3453 states and 6520 transitions. Word has length 52 [2021-01-06 18:18:16,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:16,130 INFO L481 AbstractCegarLoop]: Abstraction has 3453 states and 6520 transitions. [2021-01-06 18:18:16,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:18:16,131 INFO L276 IsEmpty]: Start isEmpty. Operand 3453 states and 6520 transitions. [2021-01-06 18:18:16,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 18:18:16,137 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:16,137 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:18:16,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:18:16,139 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:16,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:16,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1312170843, now seen corresponding path program 1 times [2021-01-06 18:18:16,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:16,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422605741] [2021-01-06 18:18:16,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:16,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:16,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422605741] [2021-01-06 18:18:16,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:16,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 18:18:16,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121639439] [2021-01-06 18:18:16,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:18:16,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:16,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:18:16,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:18:16,368 INFO L87 Difference]: Start difference. First operand 3453 states and 6520 transitions. Second operand 6 states. [2021-01-06 18:18:17,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:17,212 INFO L93 Difference]: Finished difference Result 13587 states and 25677 transitions. [2021-01-06 18:18:17,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:18:17,213 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2021-01-06 18:18:17,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:17,281 INFO L225 Difference]: With dead ends: 13587 [2021-01-06 18:18:17,281 INFO L226 Difference]: Without dead ends: 10177 [2021-01-06 18:18:17,294 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 [2021-01-06 18:18:17,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10177 states. [2021-01-06 18:18:17,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10177 to 3449. [2021-01-06 18:18:17,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3449 states. [2021-01-06 18:18:17,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 3449 states and 6509 transitions. [2021-01-06 18:18:17,521 INFO L78 Accepts]: Start accepts. Automaton has 3449 states and 6509 transitions. Word has length 59 [2021-01-06 18:18:17,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:17,521 INFO L481 AbstractCegarLoop]: Abstraction has 3449 states and 6509 transitions. [2021-01-06 18:18:17,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:18:17,522 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 6509 transitions. [2021-01-06 18:18:17,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 18:18:17,527 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:17,527 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:18:17,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:18:17,528 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:17,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:17,528 INFO L82 PathProgramCache]: Analyzing trace with hash -2111728846, now seen corresponding path program 1 times [2021-01-06 18:18:17,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:17,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388706407] [2021-01-06 18:18:17,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:17,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:17,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388706407] [2021-01-06 18:18:17,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:17,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:18:17,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954958412] [2021-01-06 18:18:17,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:18:17,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:17,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:18:17,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:18:17,682 INFO L87 Difference]: Start difference. First operand 3449 states and 6509 transitions. Second operand 4 states. [2021-01-06 18:18:18,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:18,300 INFO L93 Difference]: Finished difference Result 10235 states and 19336 transitions. [2021-01-06 18:18:18,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:18:18,301 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2021-01-06 18:18:18,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:18,364 INFO L225 Difference]: With dead ends: 10235 [2021-01-06 18:18:18,365 INFO L226 Difference]: Without dead ends: 6829 [2021-01-06 18:18:18,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:18:18,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6829 states. [2021-01-06 18:18:18,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6829 to 3449. [2021-01-06 18:18:18,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3449 states. [2021-01-06 18:18:18,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 3449 states and 6500 transitions. [2021-01-06 18:18:18,692 INFO L78 Accepts]: Start accepts. Automaton has 3449 states and 6500 transitions. Word has length 61 [2021-01-06 18:18:18,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:18,700 INFO L481 AbstractCegarLoop]: Abstraction has 3449 states and 6500 transitions. [2021-01-06 18:18:18,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:18:18,701 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 6500 transitions. [2021-01-06 18:18:18,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-01-06 18:18:18,707 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:18,708 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, 1, 1, 1] [2021-01-06 18:18:18,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:18:18,708 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:18,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:18,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1212715007, now seen corresponding path program 1 times [2021-01-06 18:18:18,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:18,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985037545] [2021-01-06 18:18:18,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:18,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:18,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985037545] [2021-01-06 18:18:18,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:18,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:18:18,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220090017] [2021-01-06 18:18:18,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:18:18,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:18,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:18:18,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:18:18,821 INFO L87 Difference]: Start difference. First operand 3449 states and 6500 transitions. Second operand 4 states. [2021-01-06 18:18:19,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:19,429 INFO L93 Difference]: Finished difference Result 10235 states and 19318 transitions. [2021-01-06 18:18:19,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:18:19,430 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2021-01-06 18:18:19,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:19,453 INFO L225 Difference]: With dead ends: 10235 [2021-01-06 18:18:19,453 INFO L226 Difference]: Without dead ends: 6829 [2021-01-06 18:18:19,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:18:19,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6829 states. [2021-01-06 18:18:19,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6829 to 3449. [2021-01-06 18:18:19,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3449 states. [2021-01-06 18:18:19,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 3449 states and 6491 transitions. [2021-01-06 18:18:19,715 INFO L78 Accepts]: Start accepts. Automaton has 3449 states and 6491 transitions. Word has length 63 [2021-01-06 18:18:19,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:19,717 INFO L481 AbstractCegarLoop]: Abstraction has 3449 states and 6491 transitions. [2021-01-06 18:18:19,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:18:19,718 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 6491 transitions. [2021-01-06 18:18:19,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 18:18:19,723 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:19,723 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] [2021-01-06 18:18:19,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:18:19,724 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:19,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:19,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1504119602, now seen corresponding path program 1 times [2021-01-06 18:18:19,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:19,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132667274] [2021-01-06 18:18:19,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:19,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:19,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132667274] [2021-01-06 18:18:19,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:19,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:18:19,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498290049] [2021-01-06 18:18:19,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:18:19,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:19,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:18:19,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:18:19,851 INFO L87 Difference]: Start difference. First operand 3449 states and 6491 transitions. Second operand 4 states. [2021-01-06 18:18:20,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:20,920 INFO L93 Difference]: Finished difference Result 16935 states and 31962 transitions. [2021-01-06 18:18:20,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:18:20,922 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2021-01-06 18:18:20,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:20,966 INFO L225 Difference]: With dead ends: 16935 [2021-01-06 18:18:20,967 INFO L226 Difference]: Without dead ends: 13529 [2021-01-06 18:18:20,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:18:21,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13529 states. [2021-01-06 18:18:21,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13529 to 3449. [2021-01-06 18:18:21,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3449 states. [2021-01-06 18:18:21,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 3449 states and 6487 transitions. [2021-01-06 18:18:21,258 INFO L78 Accepts]: Start accepts. Automaton has 3449 states and 6487 transitions. Word has length 65 [2021-01-06 18:18:21,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:21,258 INFO L481 AbstractCegarLoop]: Abstraction has 3449 states and 6487 transitions. [2021-01-06 18:18:21,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:18:21,258 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 6487 transitions. [2021-01-06 18:18:21,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 18:18:21,262 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:21,262 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] [2021-01-06 18:18:21,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:18:21,263 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:21,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:21,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1842272334, now seen corresponding path program 1 times [2021-01-06 18:18:21,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:21,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121213276] [2021-01-06 18:18:21,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:21,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121213276] [2021-01-06 18:18:21,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:21,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:18:21,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828208823] [2021-01-06 18:18:21,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:18:21,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:21,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:18:21,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:18:21,382 INFO L87 Difference]: Start difference. First operand 3449 states and 6487 transitions. Second operand 4 states. [2021-01-06 18:18:21,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:21,939 INFO L93 Difference]: Finished difference Result 13564 states and 25591 transitions. [2021-01-06 18:18:21,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:18:21,939 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2021-01-06 18:18:21,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:21,971 INFO L225 Difference]: With dead ends: 13564 [2021-01-06 18:18:21,972 INFO L226 Difference]: Without dead ends: 10137 [2021-01-06 18:18:21,982 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:18:21,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10137 states. [2021-01-06 18:18:22,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10137 to 3431. [2021-01-06 18:18:22,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3431 states. [2021-01-06 18:18:22,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3431 states to 3431 states and 6456 transitions. [2021-01-06 18:18:22,208 INFO L78 Accepts]: Start accepts. Automaton has 3431 states and 6456 transitions. Word has length 65 [2021-01-06 18:18:22,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:22,208 INFO L481 AbstractCegarLoop]: Abstraction has 3431 states and 6456 transitions. [2021-01-06 18:18:22,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:18:22,208 INFO L276 IsEmpty]: Start isEmpty. Operand 3431 states and 6456 transitions. [2021-01-06 18:18:22,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 18:18:22,212 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:22,212 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:18:22,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:18:22,213 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:22,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:22,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1910731689, now seen corresponding path program 1 times [2021-01-06 18:18:22,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:22,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452233698] [2021-01-06 18:18:22,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:22,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:22,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452233698] [2021-01-06 18:18:22,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:22,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:18:22,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151421954] [2021-01-06 18:18:22,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:18:22,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:22,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:18:22,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:18:22,305 INFO L87 Difference]: Start difference. First operand 3431 states and 6456 transitions. Second operand 4 states. [2021-01-06 18:18:22,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:22,840 INFO L93 Difference]: Finished difference Result 10199 states and 19231 transitions. [2021-01-06 18:18:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:18:22,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2021-01-06 18:18:22,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:22,862 INFO L225 Difference]: With dead ends: 10199 [2021-01-06 18:18:22,862 INFO L226 Difference]: Without dead ends: 6790 [2021-01-06 18:18:22,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:18:22,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6790 states. [2021-01-06 18:18:23,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6790 to 3431. [2021-01-06 18:18:23,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3431 states. [2021-01-06 18:18:23,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3431 states to 3431 states and 6450 transitions. [2021-01-06 18:18:23,061 INFO L78 Accepts]: Start accepts. Automaton has 3431 states and 6450 transitions. Word has length 66 [2021-01-06 18:18:23,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:23,062 INFO L481 AbstractCegarLoop]: Abstraction has 3431 states and 6450 transitions. [2021-01-06 18:18:23,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:18:23,062 INFO L276 IsEmpty]: Start isEmpty. Operand 3431 states and 6450 transitions. [2021-01-06 18:18:23,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:18:23,067 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:23,067 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] [2021-01-06 18:18:23,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:18:23,070 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:23,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:23,071 INFO L82 PathProgramCache]: Analyzing trace with hash 867823383, now seen corresponding path program 1 times [2021-01-06 18:18:23,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:23,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908383409] [2021-01-06 18:18:23,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:23,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:23,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908383409] [2021-01-06 18:18:23,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:23,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:18:23,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551284201] [2021-01-06 18:18:23,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:18:23,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:23,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:18:23,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:18:23,169 INFO L87 Difference]: Start difference. First operand 3431 states and 6450 transitions. Second operand 4 states. [2021-01-06 18:18:23,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:23,642 INFO L93 Difference]: Finished difference Result 10199 states and 19219 transitions. [2021-01-06 18:18:23,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:18:23,642 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2021-01-06 18:18:23,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:23,662 INFO L225 Difference]: With dead ends: 10199 [2021-01-06 18:18:23,663 INFO L226 Difference]: Without dead ends: 6790 [2021-01-06 18:18:23,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:18:23,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6790 states. [2021-01-06 18:18:23,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6790 to 3431. [2021-01-06 18:18:23,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3431 states. [2021-01-06 18:18:23,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3431 states to 3431 states and 6444 transitions. [2021-01-06 18:18:23,859 INFO L78 Accepts]: Start accepts. Automaton has 3431 states and 6444 transitions. Word has length 67 [2021-01-06 18:18:23,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:23,860 INFO L481 AbstractCegarLoop]: Abstraction has 3431 states and 6444 transitions. [2021-01-06 18:18:23,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:18:23,860 INFO L276 IsEmpty]: Start isEmpty. Operand 3431 states and 6444 transitions. [2021-01-06 18:18:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:18:23,868 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:23,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:18:23,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:18:23,869 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:23,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:23,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1926519908, now seen corresponding path program 1 times [2021-01-06 18:18:23,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:23,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285113200] [2021-01-06 18:18:23,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:23,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:24,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285113200] [2021-01-06 18:18:24,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:24,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:18:24,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697227008] [2021-01-06 18:18:24,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:18:24,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:24,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:18:24,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:18:24,005 INFO L87 Difference]: Start difference. First operand 3431 states and 6444 transitions. Second operand 7 states. [2021-01-06 18:18:24,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:24,953 INFO L93 Difference]: Finished difference Result 16906 states and 31876 transitions. [2021-01-06 18:18:24,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:18:24,954 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2021-01-06 18:18:24,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:24,997 INFO L225 Difference]: With dead ends: 16906 [2021-01-06 18:18:24,997 INFO L226 Difference]: Without dead ends: 13503 [2021-01-06 18:18:25,007 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 [2021-01-06 18:18:25,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13503 states. [2021-01-06 18:18:25,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13503 to 3433. [2021-01-06 18:18:25,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3433 states. [2021-01-06 18:18:25,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3433 states to 3433 states and 6445 transitions. [2021-01-06 18:18:25,267 INFO L78 Accepts]: Start accepts. Automaton has 3433 states and 6445 transitions. Word has length 68 [2021-01-06 18:18:25,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:25,268 INFO L481 AbstractCegarLoop]: Abstraction has 3433 states and 6445 transitions. [2021-01-06 18:18:25,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:18:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand 3433 states and 6445 transitions. [2021-01-06 18:18:25,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:18:25,275 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:25,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:18:25,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:18:25,276 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:25,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:25,276 INFO L82 PathProgramCache]: Analyzing trace with hash 11608961, now seen corresponding path program 1 times [2021-01-06 18:18:25,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:25,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822415655] [2021-01-06 18:18:25,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:25,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:25,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822415655] [2021-01-06 18:18:25,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:25,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:18:25,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94875282] [2021-01-06 18:18:25,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:18:25,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:25,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:18:25,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:18:25,374 INFO L87 Difference]: Start difference. First operand 3433 states and 6445 transitions. Second operand 7 states. [2021-01-06 18:18:26,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:26,412 INFO L93 Difference]: Finished difference Result 16898 states and 31855 transitions. [2021-01-06 18:18:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:18:26,413 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2021-01-06 18:18:26,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:26,455 INFO L225 Difference]: With dead ends: 16898 [2021-01-06 18:18:26,456 INFO L226 Difference]: Without dead ends: 13498 [2021-01-06 18:18:26,466 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 [2021-01-06 18:18:26,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13498 states. [2021-01-06 18:18:26,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13498 to 3438. [2021-01-06 18:18:26,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3438 states. [2021-01-06 18:18:26,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3438 states to 3438 states and 6453 transitions. [2021-01-06 18:18:26,783 INFO L78 Accepts]: Start accepts. Automaton has 3438 states and 6453 transitions. Word has length 70 [2021-01-06 18:18:26,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:26,783 INFO L481 AbstractCegarLoop]: Abstraction has 3438 states and 6453 transitions. [2021-01-06 18:18:26,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:18:26,783 INFO L276 IsEmpty]: Start isEmpty. Operand 3438 states and 6453 transitions. [2021-01-06 18:18:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:18:26,788 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:26,788 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] [2021-01-06 18:18:26,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:18:26,788 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:26,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:26,789 INFO L82 PathProgramCache]: Analyzing trace with hash 966464028, now seen corresponding path program 1 times [2021-01-06 18:18:26,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:26,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605793295] [2021-01-06 18:18:26,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:26,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:26,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605793295] [2021-01-06 18:18:26,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:26,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:18:26,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75060385] [2021-01-06 18:18:26,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:18:26,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:26,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:18:26,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:18:26,863 INFO L87 Difference]: Start difference. First operand 3438 states and 6453 transitions. Second operand 3 states. [2021-01-06 18:18:27,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:27,169 INFO L93 Difference]: Finished difference Result 6818 states and 12824 transitions. [2021-01-06 18:18:27,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:18:27,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2021-01-06 18:18:27,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:27,184 INFO L225 Difference]: With dead ends: 6818 [2021-01-06 18:18:27,184 INFO L226 Difference]: Without dead ends: 3417 [2021-01-06 18:18:27,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:18:27,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2021-01-06 18:18:27,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3417. [2021-01-06 18:18:27,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3417 states. [2021-01-06 18:18:27,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 3417 states and 6417 transitions. [2021-01-06 18:18:27,477 INFO L78 Accepts]: Start accepts. Automaton has 3417 states and 6417 transitions. Word has length 72 [2021-01-06 18:18:27,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:27,478 INFO L481 AbstractCegarLoop]: Abstraction has 3417 states and 6417 transitions. [2021-01-06 18:18:27,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:18:27,478 INFO L276 IsEmpty]: Start isEmpty. Operand 3417 states and 6417 transitions. [2021-01-06 18:18:27,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:18:27,482 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:27,482 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] [2021-01-06 18:18:27,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 18:18:27,489 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:27,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:27,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1553956183, now seen corresponding path program 1 times [2021-01-06 18:18:27,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:27,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383510594] [2021-01-06 18:18:27,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:27,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:27,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383510594] [2021-01-06 18:18:27,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:27,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:18:27,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775431729] [2021-01-06 18:18:27,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:18:27,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:27,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:18:27,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:18:27,595 INFO L87 Difference]: Start difference. First operand 3417 states and 6417 transitions. Second operand 5 states. [2021-01-06 18:18:27,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:27,889 INFO L93 Difference]: Finished difference Result 6767 states and 12746 transitions. [2021-01-06 18:18:27,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:18:27,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2021-01-06 18:18:27,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:27,900 INFO L225 Difference]: With dead ends: 6767 [2021-01-06 18:18:27,901 INFO L226 Difference]: Without dead ends: 3411 [2021-01-06 18:18:27,907 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 [2021-01-06 18:18:27,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3411 states. [2021-01-06 18:18:28,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3411 to 3411. [2021-01-06 18:18:28,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3411 states. [2021-01-06 18:18:28,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3411 states and 6408 transitions. [2021-01-06 18:18:28,118 INFO L78 Accepts]: Start accepts. Automaton has 3411 states and 6408 transitions. Word has length 74 [2021-01-06 18:18:28,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:28,118 INFO L481 AbstractCegarLoop]: Abstraction has 3411 states and 6408 transitions. [2021-01-06 18:18:28,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:18:28,118 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 6408 transitions. [2021-01-06 18:18:28,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:18:28,122 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:28,122 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] [2021-01-06 18:18:28,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:18:28,123 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:28,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:28,123 INFO L82 PathProgramCache]: Analyzing trace with hash -2056564521, now seen corresponding path program 1 times [2021-01-06 18:18:28,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:28,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033987078] [2021-01-06 18:18:28,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:28,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:28,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033987078] [2021-01-06 18:18:28,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:28,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:18:28,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95441145] [2021-01-06 18:18:28,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:18:28,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:28,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:18:28,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:18:28,211 INFO L87 Difference]: Start difference. First operand 3411 states and 6408 transitions. Second operand 4 states. [2021-01-06 18:18:28,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:28,488 INFO L93 Difference]: Finished difference Result 6761 states and 12737 transitions. [2021-01-06 18:18:28,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:18:28,489 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 74 [2021-01-06 18:18:28,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:28,500 INFO L225 Difference]: With dead ends: 6761 [2021-01-06 18:18:28,500 INFO L226 Difference]: Without dead ends: 3397 [2021-01-06 18:18:28,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:18:28,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2021-01-06 18:18:28,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3397. [2021-01-06 18:18:28,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3397 states. [2021-01-06 18:18:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 6387 transitions. [2021-01-06 18:18:28,730 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 6387 transitions. Word has length 74 [2021-01-06 18:18:28,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:28,730 INFO L481 AbstractCegarLoop]: Abstraction has 3397 states and 6387 transitions. [2021-01-06 18:18:28,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:18:28,730 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 6387 transitions. [2021-01-06 18:18:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 18:18:28,734 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:28,734 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:18:28,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:18:28,734 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:28,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:28,735 INFO L82 PathProgramCache]: Analyzing trace with hash -56926326, now seen corresponding path program 1 times [2021-01-06 18:18:28,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:28,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608065090] [2021-01-06 18:18:28,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:28,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:28,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608065090] [2021-01-06 18:18:28,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:28,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 18:18:28,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466779134] [2021-01-06 18:18:28,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:18:28,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:28,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:18:28,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:18:28,818 INFO L87 Difference]: Start difference. First operand 3397 states and 6387 transitions. Second operand 6 states. [2021-01-06 18:18:29,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:29,131 INFO L93 Difference]: Finished difference Result 6761 states and 12732 transitions. [2021-01-06 18:18:29,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:18:29,132 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2021-01-06 18:18:29,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:29,138 INFO L225 Difference]: With dead ends: 6761 [2021-01-06 18:18:29,138 INFO L226 Difference]: Without dead ends: 3417 [2021-01-06 18:18:29,144 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 [2021-01-06 18:18:29,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2021-01-06 18:18:29,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3397. [2021-01-06 18:18:29,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3397 states. [2021-01-06 18:18:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 6386 transitions. [2021-01-06 18:18:29,361 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 6386 transitions. Word has length 75 [2021-01-06 18:18:29,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:29,361 INFO L481 AbstractCegarLoop]: Abstraction has 3397 states and 6386 transitions. [2021-01-06 18:18:29,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:18:29,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 6386 transitions. [2021-01-06 18:18:29,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:18:29,367 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:29,367 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] [2021-01-06 18:18:29,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:18:29,368 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:29,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:29,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1358899134, now seen corresponding path program 1 times [2021-01-06 18:18:29,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:29,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351092459] [2021-01-06 18:18:29,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:29,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:29,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351092459] [2021-01-06 18:18:29,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:29,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 18:18:29,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134113202] [2021-01-06 18:18:29,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:18:29,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:29,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:18:29,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:18:29,460 INFO L87 Difference]: Start difference. First operand 3397 states and 6386 transitions. Second operand 6 states. [2021-01-06 18:18:29,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:29,789 INFO L93 Difference]: Finished difference Result 6751 states and 12713 transitions. [2021-01-06 18:18:29,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:18:29,790 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 76 [2021-01-06 18:18:29,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:29,794 INFO L225 Difference]: With dead ends: 6751 [2021-01-06 18:18:29,794 INFO L226 Difference]: Without dead ends: 3412 [2021-01-06 18:18:29,799 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 [2021-01-06 18:18:29,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3412 states. [2021-01-06 18:18:30,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3412 to 3397. [2021-01-06 18:18:30,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3397 states. [2021-01-06 18:18:30,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 6385 transitions. [2021-01-06 18:18:30,031 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 6385 transitions. Word has length 76 [2021-01-06 18:18:30,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:30,032 INFO L481 AbstractCegarLoop]: Abstraction has 3397 states and 6385 transitions. [2021-01-06 18:18:30,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:18:30,032 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 6385 transitions. [2021-01-06 18:18:30,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:18:30,037 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:30,037 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] [2021-01-06 18:18:30,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:18:30,038 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:30,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:30,039 INFO L82 PathProgramCache]: Analyzing trace with hash -377376449, now seen corresponding path program 1 times [2021-01-06 18:18:30,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:30,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443424734] [2021-01-06 18:18:30,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:30,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443424734] [2021-01-06 18:18:30,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:30,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 18:18:30,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834547643] [2021-01-06 18:18:30,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:18:30,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:30,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:18:30,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:18:30,158 INFO L87 Difference]: Start difference. First operand 3397 states and 6385 transitions. Second operand 3 states. [2021-01-06 18:18:30,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:30,723 INFO L93 Difference]: Finished difference Result 8156 states and 15366 transitions. [2021-01-06 18:18:30,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:18:30,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2021-01-06 18:18:30,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:30,734 INFO L225 Difference]: With dead ends: 8156 [2021-01-06 18:18:30,734 INFO L226 Difference]: Without dead ends: 5648 [2021-01-06 18:18:30,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:18:30,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5648 states. [2021-01-06 18:18:31,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5648 to 5633. [2021-01-06 18:18:31,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5633 states. [2021-01-06 18:18:31,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5633 states to 5633 states and 10593 transitions. [2021-01-06 18:18:31,114 INFO L78 Accepts]: Start accepts. Automaton has 5633 states and 10593 transitions. Word has length 77 [2021-01-06 18:18:31,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:31,114 INFO L481 AbstractCegarLoop]: Abstraction has 5633 states and 10593 transitions. [2021-01-06 18:18:31,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:18:31,115 INFO L276 IsEmpty]: Start isEmpty. Operand 5633 states and 10593 transitions. [2021-01-06 18:18:31,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:18:31,119 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:31,119 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] [2021-01-06 18:18:31,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:18:31,119 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:31,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:31,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1863295700, now seen corresponding path program 1 times [2021-01-06 18:18:31,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:31,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367710841] [2021-01-06 18:18:31,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:31,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:31,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367710841] [2021-01-06 18:18:31,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:31,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 18:18:31,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361892281] [2021-01-06 18:18:31,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:18:31,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:31,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:18:31,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:18:31,197 INFO L87 Difference]: Start difference. First operand 5633 states and 10593 transitions. Second operand 3 states. [2021-01-06 18:18:31,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:31,886 INFO L93 Difference]: Finished difference Result 14176 states and 26695 transitions. [2021-01-06 18:18:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:18:31,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2021-01-06 18:18:31,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:31,905 INFO L225 Difference]: With dead ends: 14176 [2021-01-06 18:18:31,905 INFO L226 Difference]: Without dead ends: 10022 [2021-01-06 18:18:31,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:18:31,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10022 states. [2021-01-06 18:18:32,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10022 to 10007. [2021-01-06 18:18:32,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10007 states. [2021-01-06 18:18:32,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10007 states to 10007 states and 18823 transitions. [2021-01-06 18:18:32,453 INFO L78 Accepts]: Start accepts. Automaton has 10007 states and 18823 transitions. Word has length 78 [2021-01-06 18:18:32,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:32,454 INFO L481 AbstractCegarLoop]: Abstraction has 10007 states and 18823 transitions. [2021-01-06 18:18:32,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:18:32,454 INFO L276 IsEmpty]: Start isEmpty. Operand 10007 states and 18823 transitions. [2021-01-06 18:18:32,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:18:32,457 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:32,457 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:18:32,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:18:32,458 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:32,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:32,458 INFO L82 PathProgramCache]: Analyzing trace with hash 238543396, now seen corresponding path program 1 times [2021-01-06 18:18:32,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:32,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043636077] [2021-01-06 18:18:32,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:32,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:32,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043636077] [2021-01-06 18:18:32,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:32,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 18:18:32,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399403236] [2021-01-06 18:18:32,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:18:32,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:32,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:18:32,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:18:32,533 INFO L87 Difference]: Start difference. First operand 10007 states and 18823 transitions. Second operand 3 states. [2021-01-06 18:18:33,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:33,399 INFO L93 Difference]: Finished difference Result 26020 states and 48968 transitions. [2021-01-06 18:18:33,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:18:33,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2021-01-06 18:18:33,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:33,426 INFO L225 Difference]: With dead ends: 26020 [2021-01-06 18:18:33,427 INFO L226 Difference]: Without dead ends: 18564 [2021-01-06 18:18:33,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:18:33,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18564 states. [2021-01-06 18:18:34,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18564 to 18549. [2021-01-06 18:18:34,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18549 states. [2021-01-06 18:18:34,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18549 states to 18549 states and 34878 transitions. [2021-01-06 18:18:34,339 INFO L78 Accepts]: Start accepts. Automaton has 18549 states and 34878 transitions. Word has length 79 [2021-01-06 18:18:34,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:34,340 INFO L481 AbstractCegarLoop]: Abstraction has 18549 states and 34878 transitions. [2021-01-06 18:18:34,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:18:34,340 INFO L276 IsEmpty]: Start isEmpty. Operand 18549 states and 34878 transitions. [2021-01-06 18:18:34,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:18:34,343 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:34,343 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] [2021-01-06 18:18:34,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:18:34,343 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:34,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:34,344 INFO L82 PathProgramCache]: Analyzing trace with hash -955282663, now seen corresponding path program 1 times [2021-01-06 18:18:34,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:34,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078710496] [2021-01-06 18:18:34,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:34,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078710496] [2021-01-06 18:18:34,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:34,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 18:18:34,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529891708] [2021-01-06 18:18:34,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:18:34,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:34,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:18:34,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:18:34,416 INFO L87 Difference]: Start difference. First operand 18549 states and 34878 transitions. Second operand 3 states. [2021-01-06 18:18:35,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:35,967 INFO L93 Difference]: Finished difference Result 49296 states and 92679 transitions. [2021-01-06 18:18:35,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:18:35,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2021-01-06 18:18:35,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:36,028 INFO L225 Difference]: With dead ends: 49296 [2021-01-06 18:18:36,028 INFO L226 Difference]: Without dead ends: 35226 [2021-01-06 18:18:36,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:18:36,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35226 states. [2021-01-06 18:18:37,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35226 to 35211. [2021-01-06 18:18:37,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35211 states. [2021-01-06 18:18:38,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35211 states to 35211 states and 66145 transitions. [2021-01-06 18:18:38,057 INFO L78 Accepts]: Start accepts. Automaton has 35211 states and 66145 transitions. Word has length 80 [2021-01-06 18:18:38,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:38,057 INFO L481 AbstractCegarLoop]: Abstraction has 35211 states and 66145 transitions. [2021-01-06 18:18:38,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:18:38,057 INFO L276 IsEmpty]: Start isEmpty. Operand 35211 states and 66145 transitions. [2021-01-06 18:18:38,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 18:18:38,060 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:38,060 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] [2021-01-06 18:18:38,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:18:38,061 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:38,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:38,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1675297015, now seen corresponding path program 1 times [2021-01-06 18:18:38,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:38,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575130585] [2021-01-06 18:18:38,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:38,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:38,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575130585] [2021-01-06 18:18:38,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:38,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 18:18:38,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639929563] [2021-01-06 18:18:38,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:18:38,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:38,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:18:38,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:18:38,142 INFO L87 Difference]: Start difference. First operand 35211 states and 66145 transitions. Second operand 3 states. [2021-01-06 18:18:40,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:40,959 INFO L93 Difference]: Finished difference Result 95004 states and 178366 transitions. [2021-01-06 18:18:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:18:40,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2021-01-06 18:18:40,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:41,068 INFO L225 Difference]: With dead ends: 95004 [2021-01-06 18:18:41,069 INFO L226 Difference]: Without dead ends: 67696 [2021-01-06 18:18:41,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:18:41,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67696 states. [2021-01-06 18:18:44,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67696 to 67681. [2021-01-06 18:18:44,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67681 states. [2021-01-06 18:18:44,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67681 states to 67681 states and 126960 transitions. [2021-01-06 18:18:44,557 INFO L78 Accepts]: Start accepts. Automaton has 67681 states and 126960 transitions. Word has length 81 [2021-01-06 18:18:44,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:18:44,557 INFO L481 AbstractCegarLoop]: Abstraction has 67681 states and 126960 transitions. [2021-01-06 18:18:44,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:18:44,557 INFO L276 IsEmpty]: Start isEmpty. Operand 67681 states and 126960 transitions. [2021-01-06 18:18:44,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 18:18:44,560 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:18:44,560 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] [2021-01-06 18:18:44,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:18:44,561 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:18:44,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:18:44,561 INFO L82 PathProgramCache]: Analyzing trace with hash 814231947, now seen corresponding path program 1 times [2021-01-06 18:18:44,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:18:44,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130674482] [2021-01-06 18:18:44,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:18:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:18:44,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:18:44,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130674482] [2021-01-06 18:18:44,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:18:44,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:18:44,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950280248] [2021-01-06 18:18:44,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:18:44,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:18:44,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:18:44,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:18:44,656 INFO L87 Difference]: Start difference. First operand 67681 states and 126960 transitions. Second operand 5 states. [2021-01-06 18:18:53,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:18:53,320 INFO L93 Difference]: Finished difference Result 281667 states and 528692 transitions. [2021-01-06 18:18:53,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 18:18:53,320 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2021-01-06 18:18:53,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:18:54,011 INFO L225 Difference]: With dead ends: 281667 [2021-01-06 18:18:54,011 INFO L226 Difference]: Without dead ends: 228065 [2021-01-06 18:18:54,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:18:54,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228065 states. [2021-01-06 18:19:00,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228065 to 114254. [2021-01-06 18:19:00,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114254 states. [2021-01-06 18:19:00,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114254 states to 114254 states and 213965 transitions. [2021-01-06 18:19:00,708 INFO L78 Accepts]: Start accepts. Automaton has 114254 states and 213965 transitions. Word has length 81 [2021-01-06 18:19:00,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:19:00,708 INFO L481 AbstractCegarLoop]: Abstraction has 114254 states and 213965 transitions. [2021-01-06 18:19:00,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:19:00,708 INFO L276 IsEmpty]: Start isEmpty. Operand 114254 states and 213965 transitions. [2021-01-06 18:19:00,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:19:00,711 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:19:00,711 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] [2021-01-06 18:19:00,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:19:00,712 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:19:00,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:19:00,712 INFO L82 PathProgramCache]: Analyzing trace with hash 925261599, now seen corresponding path program 1 times [2021-01-06 18:19:00,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:19:00,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637863735] [2021-01-06 18:19:00,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:19:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:19:00,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:19:00,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637863735] [2021-01-06 18:19:00,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:19:00,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:19:00,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085470540] [2021-01-06 18:19:00,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:19:00,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:19:00,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:19:00,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:19:00,788 INFO L87 Difference]: Start difference. First operand 114254 states and 213965 transitions. Second operand 5 states. [2021-01-06 18:19:08,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:19:08,910 INFO L93 Difference]: Finished difference Result 277994 states and 518957 transitions. [2021-01-06 18:19:08,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:19:08,912 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2021-01-06 18:19:08,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:19:09,487 INFO L225 Difference]: With dead ends: 277994 [2021-01-06 18:19:09,487 INFO L226 Difference]: Without dead ends: 178224 [2021-01-06 18:19:09,584 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 [2021-01-06 18:19:09,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178224 states. [2021-01-06 18:19:15,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178224 to 114579. [2021-01-06 18:19:15,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114579 states. [2021-01-06 18:19:15,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114579 states to 114579 states and 214290 transitions. [2021-01-06 18:19:15,817 INFO L78 Accepts]: Start accepts. Automaton has 114579 states and 214290 transitions. Word has length 83 [2021-01-06 18:19:15,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:19:15,817 INFO L481 AbstractCegarLoop]: Abstraction has 114579 states and 214290 transitions. [2021-01-06 18:19:15,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:19:15,817 INFO L276 IsEmpty]: Start isEmpty. Operand 114579 states and 214290 transitions. [2021-01-06 18:19:15,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 18:19:15,822 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:19:15,822 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] [2021-01-06 18:19:15,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:19:15,822 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:19:15,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:19:15,823 INFO L82 PathProgramCache]: Analyzing trace with hash 705199460, now seen corresponding path program 1 times [2021-01-06 18:19:15,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:19:15,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988605822] [2021-01-06 18:19:15,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:19:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:19:15,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:19:15,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988605822] [2021-01-06 18:19:15,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:19:15,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 18:19:15,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368829034] [2021-01-06 18:19:15,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:19:15,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:19:15,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:19:15,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:19:15,907 INFO L87 Difference]: Start difference. First operand 114579 states and 214290 transitions. Second operand 3 states. [2021-01-06 18:19:24,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:19:24,116 INFO L93 Difference]: Finished difference Result 260472 states and 486228 transitions. [2021-01-06 18:19:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:19:24,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2021-01-06 18:19:24,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:19:24,450 INFO L225 Difference]: With dead ends: 260472 [2021-01-06 18:19:24,450 INFO L226 Difference]: Without dead ends: 159795 [2021-01-06 18:19:24,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:19:24,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159795 states. [2021-01-06 18:19:32,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159795 to 159332. [2021-01-06 18:19:32,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159332 states. [2021-01-06 18:19:32,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159332 states to 159332 states and 294396 transitions. [2021-01-06 18:19:32,760 INFO L78 Accepts]: Start accepts. Automaton has 159332 states and 294396 transitions. Word has length 88 [2021-01-06 18:19:32,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:19:32,760 INFO L481 AbstractCegarLoop]: Abstraction has 159332 states and 294396 transitions. [2021-01-06 18:19:32,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:19:32,760 INFO L276 IsEmpty]: Start isEmpty. Operand 159332 states and 294396 transitions. [2021-01-06 18:19:33,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-01-06 18:19:33,076 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:19:33,077 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] [2021-01-06 18:19:33,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:19:33,079 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:19:33,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:19:33,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1532114777, now seen corresponding path program 1 times [2021-01-06 18:19:33,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:19:33,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480358573] [2021-01-06 18:19:33,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:19:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:19:33,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:19:33,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480358573] [2021-01-06 18:19:33,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:19:33,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:19:33,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040259767] [2021-01-06 18:19:33,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:19:33,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:19:33,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:19:33,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:19:33,194 INFO L87 Difference]: Start difference. First operand 159332 states and 294396 transitions. Second operand 5 states. [2021-01-06 18:19:47,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:19:47,636 INFO L93 Difference]: Finished difference Result 431867 states and 796497 transitions. [2021-01-06 18:19:47,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:19:47,637 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 90 [2021-01-06 18:19:47,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:19:48,454 INFO L225 Difference]: With dead ends: 431867 [2021-01-06 18:19:48,455 INFO L226 Difference]: Without dead ends: 286484 [2021-01-06 18:19:48,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:19:48,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286484 states. [2021-01-06 18:19:57,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286484 to 159332. [2021-01-06 18:19:57,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159332 states. [2021-01-06 18:19:58,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159332 states to 159332 states and 290442 transitions. [2021-01-06 18:19:58,276 INFO L78 Accepts]: Start accepts. Automaton has 159332 states and 290442 transitions. Word has length 90 [2021-01-06 18:19:58,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:19:58,276 INFO L481 AbstractCegarLoop]: Abstraction has 159332 states and 290442 transitions. [2021-01-06 18:19:58,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:19:58,276 INFO L276 IsEmpty]: Start isEmpty. Operand 159332 states and 290442 transitions. [2021-01-06 18:19:58,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-01-06 18:19:58,298 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:19:58,298 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] [2021-01-06 18:19:58,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:19:58,298 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:19:58,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:19:58,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1674519516, now seen corresponding path program 1 times [2021-01-06 18:19:58,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:19:58,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830861003] [2021-01-06 18:19:58,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:19:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:19:58,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:19:58,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830861003] [2021-01-06 18:19:58,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:19:58,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:19:58,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462807615] [2021-01-06 18:19:58,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:19:58,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:19:58,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:19:58,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:19:58,387 INFO L87 Difference]: Start difference. First operand 159332 states and 290442 transitions. Second operand 5 states. [2021-01-06 18:20:06,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:20:06,238 INFO L93 Difference]: Finished difference Result 265615 states and 484215 transitions. [2021-01-06 18:20:06,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:20:06,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2021-01-06 18:20:06,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:20:06,567 INFO L225 Difference]: With dead ends: 265615 [2021-01-06 18:20:06,567 INFO L226 Difference]: Without dead ends: 159475 [2021-01-06 18:20:06,656 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 [2021-01-06 18:20:06,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159475 states. [2021-01-06 18:20:14,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159475 to 159332. [2021-01-06 18:20:14,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159332 states. [2021-01-06 18:20:15,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159332 states to 159332 states and 290247 transitions. [2021-01-06 18:20:15,959 INFO L78 Accepts]: Start accepts. Automaton has 159332 states and 290247 transitions. Word has length 91 [2021-01-06 18:20:15,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:20:15,960 INFO L481 AbstractCegarLoop]: Abstraction has 159332 states and 290247 transitions. [2021-01-06 18:20:15,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:20:15,960 INFO L276 IsEmpty]: Start isEmpty. Operand 159332 states and 290247 transitions. [2021-01-06 18:20:15,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-01-06 18:20:15,964 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:20:15,965 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] [2021-01-06 18:20:15,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:20:15,965 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:20:15,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:20:15,967 INFO L82 PathProgramCache]: Analyzing trace with hash 2033641766, now seen corresponding path program 1 times [2021-01-06 18:20:15,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:20:15,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950138737] [2021-01-06 18:20:15,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:20:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:20:16,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:20:16,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950138737] [2021-01-06 18:20:16,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:20:16,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:20:16,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813241933] [2021-01-06 18:20:16,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:20:16,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:20:16,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:20:16,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:20:16,093 INFO L87 Difference]: Start difference. First operand 159332 states and 290247 transitions. Second operand 3 states.