/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/xcsp/aim-200-2-0-unsat-4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 12:02:46,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 12:02:46,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 12:02:46,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 12:02:46,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 12:02:46,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 12:02:46,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 12:02:46,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 12:02:46,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 12:02:46,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 12:02:46,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 12:02:46,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 12:02:46,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 12:02:46,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 12:02:46,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 12:02:46,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 12:02:46,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 12:02:46,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 12:02:46,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 12:02:46,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 12:02:46,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 12:02:46,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 12:02:46,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 12:02:46,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 12:02:46,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 12:02:46,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 12:02:46,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 12:02:46,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 12:02:46,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 12:02:46,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 12:02:46,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 12:02:46,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 12:02:46,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 12:02:46,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 12:02:46,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 12:02:46,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 12:02:46,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 12:02:46,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 12:02:46,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 12:02:46,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 12:02:46,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 12:02:46,828 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 12:02:46,856 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 12:02:46,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 12:02:46,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 12:02:46,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 12:02:46,859 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 12:02:46,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 12:02:46,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 12:02:46,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 12:02:46,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 12:02:46,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 12:02:46,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 12:02:46,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 12:02:46,861 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 12:02:46,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 12:02:46,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 12:02:46,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 12:02:46,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 12:02:46,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 12:02:46,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 12:02:46,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 12:02:46,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 12:02:46,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 12:02:46,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 12:02:46,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 12:02:46,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 12:02:46,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 12:02:47,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 12:02:47,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 12:02:47,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 12:02:47,337 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 12:02:47,338 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 12:02:47,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/aim-200-2-0-unsat-4.c [2020-12-23 12:02:47,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/40a882165/6ba28396cea34ad490cd42a9b8ab5efd/FLAGbe152efed [2020-12-23 12:02:48,244 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 12:02:48,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/xcsp/aim-200-2-0-unsat-4.c [2020-12-23 12:02:48,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/40a882165/6ba28396cea34ad490cd42a9b8ab5efd/FLAGbe152efed [2020-12-23 12:02:48,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/40a882165/6ba28396cea34ad490cd42a9b8ab5efd [2020-12-23 12:02:48,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 12:02:48,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 12:02:48,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 12:02:48,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 12:02:48,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 12:02:48,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:02:48" (1/1) ... [2020-12-23 12:02:48,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b971a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:02:48, skipping insertion in model container [2020-12-23 12:02:48,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:02:48" (1/1) ... [2020-12-23 12:02:48,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 12:02:48,578 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~var0~0,] left hand side expression in assignment: lhs: VariableLHS[~var1~0,] left hand side expression in assignment: lhs: VariableLHS[~var2~0,] left hand side expression in assignment: lhs: VariableLHS[~var3~0,] left hand side expression in assignment: lhs: VariableLHS[~var4~0,] left hand side expression in assignment: lhs: VariableLHS[~var5~0,] left hand side expression in assignment: lhs: VariableLHS[~var6~0,] left hand side expression in assignment: lhs: VariableLHS[~var7~0,] left hand side expression in assignment: lhs: VariableLHS[~var8~0,] left hand side expression in assignment: lhs: VariableLHS[~var9~0,] left hand side expression in assignment: lhs: VariableLHS[~var10~0,] left hand side expression in assignment: lhs: VariableLHS[~var11~0,] left hand side expression in assignment: lhs: VariableLHS[~var12~0,] left hand side expression in assignment: lhs: VariableLHS[~var13~0,] left hand side expression in assignment: lhs: VariableLHS[~var14~0,] left hand side expression in assignment: lhs: VariableLHS[~var15~0,] left hand side expression in assignment: lhs: VariableLHS[~var16~0,] left hand side expression in assignment: lhs: VariableLHS[~var17~0,] left hand side expression in assignment: lhs: VariableLHS[~var18~0,] left hand side expression in assignment: lhs: VariableLHS[~var19~0,] left hand side expression in assignment: lhs: VariableLHS[~var20~0,] left hand side expression in assignment: lhs: VariableLHS[~var21~0,] left hand side expression in assignment: lhs: VariableLHS[~var22~0,] left hand side expression in assignment: lhs: VariableLHS[~var23~0,] left hand side expression in assignment: lhs: VariableLHS[~var24~0,] left hand side expression in assignment: lhs: VariableLHS[~var25~0,] left hand side expression in assignment: lhs: VariableLHS[~var26~0,] left hand side expression in assignment: lhs: VariableLHS[~var27~0,] left hand side expression in assignment: lhs: VariableLHS[~var28~0,] left hand side expression in assignment: lhs: VariableLHS[~var29~0,] left hand side expression in assignment: lhs: VariableLHS[~var30~0,] left hand side expression in assignment: lhs: VariableLHS[~var31~0,] left hand side expression in assignment: lhs: VariableLHS[~var32~0,] left hand side expression in assignment: lhs: VariableLHS[~var33~0,] left hand side expression in assignment: lhs: VariableLHS[~var34~0,] left hand side expression in assignment: lhs: VariableLHS[~var35~0,] left hand side expression in assignment: lhs: VariableLHS[~var36~0,] left hand side expression in assignment: lhs: VariableLHS[~var37~0,] left hand side expression in assignment: lhs: VariableLHS[~var38~0,] left hand side expression in assignment: lhs: VariableLHS[~var39~0,] left hand side expression in assignment: lhs: VariableLHS[~var40~0,] left hand side expression in assignment: lhs: VariableLHS[~var41~0,] left hand side expression in assignment: lhs: VariableLHS[~var42~0,] left hand side expression in assignment: lhs: VariableLHS[~var43~0,] left hand side expression in assignment: lhs: VariableLHS[~var44~0,] left hand side expression in assignment: lhs: VariableLHS[~var45~0,] left hand side expression in assignment: lhs: VariableLHS[~var46~0,] left hand side expression in assignment: lhs: VariableLHS[~var47~0,] left hand side expression in assignment: lhs: VariableLHS[~var48~0,] left hand side expression in assignment: lhs: VariableLHS[~var49~0,] left hand side expression in assignment: lhs: VariableLHS[~var50~0,] left hand side expression in assignment: lhs: VariableLHS[~var51~0,] left hand side expression in assignment: lhs: VariableLHS[~var52~0,] left hand side expression in assignment: lhs: VariableLHS[~var53~0,] left hand side expression in assignment: lhs: VariableLHS[~var54~0,] left hand side expression in assignment: lhs: VariableLHS[~var55~0,] left hand side expression in assignment: lhs: VariableLHS[~var56~0,] left hand side expression in assignment: lhs: VariableLHS[~var57~0,] left hand side expression in assignment: lhs: VariableLHS[~var58~0,] left hand side expression in assignment: lhs: VariableLHS[~var59~0,] left hand side expression in assignment: lhs: VariableLHS[~var60~0,] left hand side expression in assignment: lhs: VariableLHS[~var61~0,] left hand side expression in assignment: lhs: VariableLHS[~var62~0,] left hand side expression in assignment: lhs: VariableLHS[~var63~0,] left hand side expression in assignment: lhs: VariableLHS[~var64~0,] left hand side expression in assignment: lhs: VariableLHS[~var65~0,] left hand side expression in assignment: lhs: VariableLHS[~var66~0,] left hand side expression in assignment: lhs: VariableLHS[~var67~0,] left hand side expression in assignment: lhs: VariableLHS[~var68~0,] left hand side expression in assignment: lhs: VariableLHS[~var69~0,] left hand side expression in assignment: lhs: VariableLHS[~var70~0,] left hand side expression in assignment: lhs: VariableLHS[~var71~0,] left hand side expression in assignment: lhs: VariableLHS[~var72~0,] left hand side expression in assignment: lhs: VariableLHS[~var73~0,] left hand side expression in assignment: lhs: VariableLHS[~var74~0,] left hand side expression in assignment: lhs: VariableLHS[~var75~0,] left hand side expression in assignment: lhs: VariableLHS[~var76~0,] left hand side expression in assignment: lhs: VariableLHS[~var77~0,] left hand side expression in assignment: lhs: VariableLHS[~var78~0,] left hand side expression in assignment: lhs: VariableLHS[~var79~0,] left hand side expression in assignment: lhs: VariableLHS[~var80~0,] left hand side expression in assignment: lhs: VariableLHS[~var81~0,] left hand side expression in assignment: lhs: VariableLHS[~var82~0,] left hand side expression in assignment: lhs: VariableLHS[~var83~0,] left hand side expression in assignment: lhs: VariableLHS[~var84~0,] left hand side expression in assignment: lhs: VariableLHS[~var85~0,] left hand side expression in assignment: lhs: VariableLHS[~var86~0,] left hand side expression in assignment: lhs: VariableLHS[~var87~0,] left hand side expression in assignment: lhs: VariableLHS[~var88~0,] left hand side expression in assignment: lhs: VariableLHS[~var89~0,] left hand side expression in assignment: lhs: VariableLHS[~var90~0,] left hand side expression in assignment: lhs: VariableLHS[~var91~0,] left hand side expression in assignment: lhs: VariableLHS[~var92~0,] left hand side expression in assignment: lhs: VariableLHS[~var93~0,] left hand side expression in assignment: lhs: VariableLHS[~var94~0,] left hand side expression in assignment: lhs: VariableLHS[~var95~0,] left hand side expression in assignment: lhs: VariableLHS[~var96~0,] left hand side expression in assignment: lhs: VariableLHS[~var97~0,] left hand side expression in assignment: lhs: VariableLHS[~var98~0,] left hand side expression in assignment: lhs: VariableLHS[~var99~0,] left hand side expression in assignment: lhs: VariableLHS[~var100~0,] left hand side expression in assignment: lhs: VariableLHS[~var101~0,] left hand side expression in assignment: lhs: VariableLHS[~var102~0,] left hand side expression in assignment: lhs: VariableLHS[~var103~0,] left hand side expression in assignment: lhs: VariableLHS[~var104~0,] left hand side expression in assignment: lhs: VariableLHS[~var105~0,] left hand side expression in assignment: lhs: VariableLHS[~var106~0,] left hand side expression in assignment: lhs: VariableLHS[~var107~0,] left hand side expression in assignment: lhs: VariableLHS[~var108~0,] left hand side expression in assignment: lhs: VariableLHS[~var109~0,] left hand side expression in assignment: lhs: VariableLHS[~var110~0,] left hand side expression in assignment: lhs: VariableLHS[~var111~0,] left hand side expression in assignment: lhs: VariableLHS[~var112~0,] left hand side expression in assignment: lhs: VariableLHS[~var113~0,] left hand side expression in assignment: lhs: VariableLHS[~var114~0,] left hand side expression in assignment: lhs: VariableLHS[~var115~0,] left hand side expression in assignment: lhs: VariableLHS[~var116~0,] left hand side expression in assignment: lhs: VariableLHS[~var117~0,] left hand side expression in assignment: lhs: VariableLHS[~var118~0,] left hand side expression in assignment: lhs: VariableLHS[~var119~0,] left hand side expression in assignment: lhs: VariableLHS[~var120~0,] left hand side expression in assignment: lhs: VariableLHS[~var121~0,] left hand side expression in assignment: lhs: VariableLHS[~var122~0,] left hand side expression in assignment: lhs: VariableLHS[~var123~0,] left hand side expression in assignment: lhs: VariableLHS[~var124~0,] left hand side expression in assignment: lhs: VariableLHS[~var125~0,] left hand side expression in assignment: lhs: VariableLHS[~var126~0,] left hand side expression in assignment: lhs: VariableLHS[~var127~0,] left hand side expression in assignment: lhs: VariableLHS[~var128~0,] left hand side expression in assignment: lhs: VariableLHS[~var129~0,] left hand side expression in assignment: lhs: VariableLHS[~var130~0,] left hand side expression in assignment: lhs: VariableLHS[~var131~0,] left hand side expression in assignment: lhs: VariableLHS[~var132~0,] left hand side expression in assignment: lhs: VariableLHS[~var133~0,] left hand side expression in assignment: lhs: VariableLHS[~var134~0,] left hand side expression in assignment: lhs: VariableLHS[~var135~0,] left hand side expression in assignment: lhs: VariableLHS[~var136~0,] left hand side expression in assignment: lhs: VariableLHS[~var137~0,] left hand side expression in assignment: lhs: VariableLHS[~var138~0,] left hand side expression in assignment: lhs: VariableLHS[~var139~0,] left hand side expression in assignment: lhs: VariableLHS[~var140~0,] left hand side expression in assignment: lhs: VariableLHS[~var141~0,] left hand side expression in assignment: lhs: VariableLHS[~var142~0,] left hand side expression in assignment: lhs: VariableLHS[~var143~0,] left hand side expression in assignment: lhs: VariableLHS[~var144~0,] left hand side expression in assignment: lhs: VariableLHS[~var145~0,] left hand side expression in assignment: lhs: VariableLHS[~var146~0,] left hand side expression in assignment: lhs: VariableLHS[~var147~0,] left hand side expression in assignment: lhs: VariableLHS[~var148~0,] left hand side expression in assignment: lhs: VariableLHS[~var149~0,] left hand side expression in assignment: lhs: VariableLHS[~var150~0,] left hand side expression in assignment: lhs: VariableLHS[~var151~0,] left hand side expression in assignment: lhs: VariableLHS[~var152~0,] left hand side expression in assignment: lhs: VariableLHS[~var153~0,] left hand side expression in assignment: lhs: VariableLHS[~var154~0,] left hand side expression in assignment: lhs: VariableLHS[~var155~0,] left hand side expression in assignment: lhs: VariableLHS[~var156~0,] left hand side expression in assignment: lhs: VariableLHS[~var157~0,] left hand side expression in assignment: lhs: VariableLHS[~var158~0,] left hand side expression in assignment: lhs: VariableLHS[~var159~0,] left hand side expression in assignment: lhs: VariableLHS[~var160~0,] left hand side expression in assignment: lhs: VariableLHS[~var161~0,] left hand side expression in assignment: lhs: VariableLHS[~var162~0,] left hand side expression in assignment: lhs: VariableLHS[~var163~0,] left hand side expression in assignment: lhs: VariableLHS[~var164~0,] left hand side expression in assignment: lhs: VariableLHS[~var165~0,] left hand side expression in assignment: lhs: VariableLHS[~var166~0,] left hand side expression in assignment: lhs: VariableLHS[~var167~0,] left hand side expression in assignment: lhs: VariableLHS[~var168~0,] left hand side expression in assignment: lhs: VariableLHS[~var169~0,] left hand side expression in assignment: lhs: VariableLHS[~var170~0,] left hand side expression in assignment: lhs: VariableLHS[~var171~0,] left hand side expression in assignment: lhs: VariableLHS[~var172~0,] left hand side expression in assignment: lhs: VariableLHS[~var173~0,] left hand side expression in assignment: lhs: VariableLHS[~var174~0,] left hand side expression in assignment: lhs: VariableLHS[~var175~0,] left hand side expression in assignment: lhs: VariableLHS[~var176~0,] left hand side expression in assignment: lhs: VariableLHS[~var177~0,] left hand side expression in assignment: lhs: VariableLHS[~var178~0,] left hand side expression in assignment: lhs: VariableLHS[~var179~0,] left hand side expression in assignment: lhs: VariableLHS[~var180~0,] left hand side expression in assignment: lhs: VariableLHS[~var181~0,] left hand side expression in assignment: lhs: VariableLHS[~var182~0,] left hand side expression in assignment: lhs: VariableLHS[~var183~0,] left hand side expression in assignment: lhs: VariableLHS[~var184~0,] left hand side expression in assignment: lhs: VariableLHS[~var185~0,] left hand side expression in assignment: lhs: VariableLHS[~var186~0,] left hand side expression in assignment: lhs: VariableLHS[~var187~0,] left hand side expression in assignment: lhs: VariableLHS[~var188~0,] left hand side expression in assignment: lhs: VariableLHS[~var189~0,] left hand side expression in assignment: lhs: VariableLHS[~var190~0,] left hand side expression in assignment: lhs: VariableLHS[~var191~0,] left hand side expression in assignment: lhs: VariableLHS[~var192~0,] left hand side expression in assignment: lhs: VariableLHS[~var193~0,] left hand side expression in assignment: lhs: VariableLHS[~var194~0,] left hand side expression in assignment: lhs: VariableLHS[~var195~0,] left hand side expression in assignment: lhs: VariableLHS[~var196~0,] left hand side expression in assignment: lhs: VariableLHS[~var197~0,] left hand side expression in assignment: lhs: VariableLHS[~var198~0,] left hand side expression in assignment: lhs: VariableLHS[~var199~0,] [2020-12-23 12:02:49,199 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/xcsp/aim-200-2-0-unsat-4.c[42873,42886] [2020-12-23 12:02:49,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 12:02:49,269 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~var0~0,] left hand side expression in assignment: lhs: VariableLHS[~var1~0,] left hand side expression in assignment: lhs: VariableLHS[~var2~0,] left hand side expression in assignment: lhs: VariableLHS[~var3~0,] left hand side expression in assignment: lhs: VariableLHS[~var4~0,] left hand side expression in assignment: lhs: VariableLHS[~var5~0,] left hand side expression in assignment: lhs: VariableLHS[~var6~0,] left hand side expression in assignment: lhs: VariableLHS[~var7~0,] left hand side expression in assignment: lhs: VariableLHS[~var8~0,] left hand side expression in assignment: lhs: VariableLHS[~var9~0,] left hand side expression in assignment: lhs: VariableLHS[~var10~0,] left hand side expression in assignment: lhs: VariableLHS[~var11~0,] left hand side expression in assignment: lhs: VariableLHS[~var12~0,] left hand side expression in assignment: lhs: VariableLHS[~var13~0,] left hand side expression in assignment: lhs: VariableLHS[~var14~0,] left hand side expression in assignment: lhs: VariableLHS[~var15~0,] left hand side expression in assignment: lhs: VariableLHS[~var16~0,] left hand side expression in assignment: lhs: VariableLHS[~var17~0,] left hand side expression in assignment: lhs: VariableLHS[~var18~0,] left hand side expression in assignment: lhs: VariableLHS[~var19~0,] left hand side expression in assignment: lhs: VariableLHS[~var20~0,] left hand side expression in assignment: lhs: VariableLHS[~var21~0,] left hand side expression in assignment: lhs: VariableLHS[~var22~0,] left hand side expression in assignment: lhs: VariableLHS[~var23~0,] left hand side expression in assignment: lhs: VariableLHS[~var24~0,] left hand side expression in assignment: lhs: VariableLHS[~var25~0,] left hand side expression in assignment: lhs: VariableLHS[~var26~0,] left hand side expression in assignment: lhs: VariableLHS[~var27~0,] left hand side expression in assignment: lhs: VariableLHS[~var28~0,] left hand side expression in assignment: lhs: VariableLHS[~var29~0,] left hand side expression in assignment: lhs: VariableLHS[~var30~0,] left hand side expression in assignment: lhs: VariableLHS[~var31~0,] left hand side expression in assignment: lhs: VariableLHS[~var32~0,] left hand side expression in assignment: lhs: VariableLHS[~var33~0,] left hand side expression in assignment: lhs: VariableLHS[~var34~0,] left hand side expression in assignment: lhs: VariableLHS[~var35~0,] left hand side expression in assignment: lhs: VariableLHS[~var36~0,] left hand side expression in assignment: lhs: VariableLHS[~var37~0,] left hand side expression in assignment: lhs: VariableLHS[~var38~0,] left hand side expression in assignment: lhs: VariableLHS[~var39~0,] left hand side expression in assignment: lhs: VariableLHS[~var40~0,] left hand side expression in assignment: lhs: VariableLHS[~var41~0,] left hand side expression in assignment: lhs: VariableLHS[~var42~0,] left hand side expression in assignment: lhs: VariableLHS[~var43~0,] left hand side expression in assignment: lhs: VariableLHS[~var44~0,] left hand side expression in assignment: lhs: VariableLHS[~var45~0,] left hand side expression in assignment: lhs: VariableLHS[~var46~0,] left hand side expression in assignment: lhs: VariableLHS[~var47~0,] left hand side expression in assignment: lhs: VariableLHS[~var48~0,] left hand side expression in assignment: lhs: VariableLHS[~var49~0,] left hand side expression in assignment: lhs: VariableLHS[~var50~0,] left hand side expression in assignment: lhs: VariableLHS[~var51~0,] left hand side expression in assignment: lhs: VariableLHS[~var52~0,] left hand side expression in assignment: lhs: VariableLHS[~var53~0,] left hand side expression in assignment: lhs: VariableLHS[~var54~0,] left hand side expression in assignment: lhs: VariableLHS[~var55~0,] left hand side expression in assignment: lhs: VariableLHS[~var56~0,] left hand side expression in assignment: lhs: VariableLHS[~var57~0,] left hand side expression in assignment: lhs: VariableLHS[~var58~0,] left hand side expression in assignment: lhs: VariableLHS[~var59~0,] left hand side expression in assignment: lhs: VariableLHS[~var60~0,] left hand side expression in assignment: lhs: VariableLHS[~var61~0,] left hand side expression in assignment: lhs: VariableLHS[~var62~0,] left hand side expression in assignment: lhs: VariableLHS[~var63~0,] left hand side expression in assignment: lhs: VariableLHS[~var64~0,] left hand side expression in assignment: lhs: VariableLHS[~var65~0,] left hand side expression in assignment: lhs: VariableLHS[~var66~0,] left hand side expression in assignment: lhs: VariableLHS[~var67~0,] left hand side expression in assignment: lhs: VariableLHS[~var68~0,] left hand side expression in assignment: lhs: VariableLHS[~var69~0,] left hand side expression in assignment: lhs: VariableLHS[~var70~0,] left hand side expression in assignment: lhs: VariableLHS[~var71~0,] left hand side expression in assignment: lhs: VariableLHS[~var72~0,] left hand side expression in assignment: lhs: VariableLHS[~var73~0,] left hand side expression in assignment: lhs: VariableLHS[~var74~0,] left hand side expression in assignment: lhs: VariableLHS[~var75~0,] left hand side expression in assignment: lhs: VariableLHS[~var76~0,] left hand side expression in assignment: lhs: VariableLHS[~var77~0,] left hand side expression in assignment: lhs: VariableLHS[~var78~0,] left hand side expression in assignment: lhs: VariableLHS[~var79~0,] left hand side expression in assignment: lhs: VariableLHS[~var80~0,] left hand side expression in assignment: lhs: VariableLHS[~var81~0,] left hand side expression in assignment: lhs: VariableLHS[~var82~0,] left hand side expression in assignment: lhs: VariableLHS[~var83~0,] left hand side expression in assignment: lhs: VariableLHS[~var84~0,] left hand side expression in assignment: lhs: VariableLHS[~var85~0,] left hand side expression in assignment: lhs: VariableLHS[~var86~0,] left hand side expression in assignment: lhs: VariableLHS[~var87~0,] left hand side expression in assignment: lhs: VariableLHS[~var88~0,] left hand side expression in assignment: lhs: VariableLHS[~var89~0,] left hand side expression in assignment: lhs: VariableLHS[~var90~0,] left hand side expression in assignment: lhs: VariableLHS[~var91~0,] left hand side expression in assignment: lhs: VariableLHS[~var92~0,] left hand side expression in assignment: lhs: VariableLHS[~var93~0,] left hand side expression in assignment: lhs: VariableLHS[~var94~0,] left hand side expression in assignment: lhs: VariableLHS[~var95~0,] left hand side expression in assignment: lhs: VariableLHS[~var96~0,] left hand side expression in assignment: lhs: VariableLHS[~var97~0,] left hand side expression in assignment: lhs: VariableLHS[~var98~0,] left hand side expression in assignment: lhs: VariableLHS[~var99~0,] left hand side expression in assignment: lhs: VariableLHS[~var100~0,] left hand side expression in assignment: lhs: VariableLHS[~var101~0,] left hand side expression in assignment: lhs: VariableLHS[~var102~0,] left hand side expression in assignment: lhs: VariableLHS[~var103~0,] left hand side expression in assignment: lhs: VariableLHS[~var104~0,] left hand side expression in assignment: lhs: VariableLHS[~var105~0,] left hand side expression in assignment: lhs: VariableLHS[~var106~0,] left hand side expression in assignment: lhs: VariableLHS[~var107~0,] left hand side expression in assignment: lhs: VariableLHS[~var108~0,] left hand side expression in assignment: lhs: VariableLHS[~var109~0,] left hand side expression in assignment: lhs: VariableLHS[~var110~0,] left hand side expression in assignment: lhs: VariableLHS[~var111~0,] left hand side expression in assignment: lhs: VariableLHS[~var112~0,] left hand side expression in assignment: lhs: VariableLHS[~var113~0,] left hand side expression in assignment: lhs: VariableLHS[~var114~0,] left hand side expression in assignment: lhs: VariableLHS[~var115~0,] left hand side expression in assignment: lhs: VariableLHS[~var116~0,] left hand side expression in assignment: lhs: VariableLHS[~var117~0,] left hand side expression in assignment: lhs: VariableLHS[~var118~0,] left hand side expression in assignment: lhs: VariableLHS[~var119~0,] left hand side expression in assignment: lhs: VariableLHS[~var120~0,] left hand side expression in assignment: lhs: VariableLHS[~var121~0,] left hand side expression in assignment: lhs: VariableLHS[~var122~0,] left hand side expression in assignment: lhs: VariableLHS[~var123~0,] left hand side expression in assignment: lhs: VariableLHS[~var124~0,] left hand side expression in assignment: lhs: VariableLHS[~var125~0,] left hand side expression in assignment: lhs: VariableLHS[~var126~0,] left hand side expression in assignment: lhs: VariableLHS[~var127~0,] left hand side expression in assignment: lhs: VariableLHS[~var128~0,] left hand side expression in assignment: lhs: VariableLHS[~var129~0,] left hand side expression in assignment: lhs: VariableLHS[~var130~0,] left hand side expression in assignment: lhs: VariableLHS[~var131~0,] left hand side expression in assignment: lhs: VariableLHS[~var132~0,] left hand side expression in assignment: lhs: VariableLHS[~var133~0,] left hand side expression in assignment: lhs: VariableLHS[~var134~0,] left hand side expression in assignment: lhs: VariableLHS[~var135~0,] left hand side expression in assignment: lhs: VariableLHS[~var136~0,] left hand side expression in assignment: lhs: VariableLHS[~var137~0,] left hand side expression in assignment: lhs: VariableLHS[~var138~0,] left hand side expression in assignment: lhs: VariableLHS[~var139~0,] left hand side expression in assignment: lhs: VariableLHS[~var140~0,] left hand side expression in assignment: lhs: VariableLHS[~var141~0,] left hand side expression in assignment: lhs: VariableLHS[~var142~0,] left hand side expression in assignment: lhs: VariableLHS[~var143~0,] left hand side expression in assignment: lhs: VariableLHS[~var144~0,] left hand side expression in assignment: lhs: VariableLHS[~var145~0,] left hand side expression in assignment: lhs: VariableLHS[~var146~0,] left hand side expression in assignment: lhs: VariableLHS[~var147~0,] left hand side expression in assignment: lhs: VariableLHS[~var148~0,] left hand side expression in assignment: lhs: VariableLHS[~var149~0,] left hand side expression in assignment: lhs: VariableLHS[~var150~0,] left hand side expression in assignment: lhs: VariableLHS[~var151~0,] left hand side expression in assignment: lhs: VariableLHS[~var152~0,] left hand side expression in assignment: lhs: VariableLHS[~var153~0,] left hand side expression in assignment: lhs: VariableLHS[~var154~0,] left hand side expression in assignment: lhs: VariableLHS[~var155~0,] left hand side expression in assignment: lhs: VariableLHS[~var156~0,] left hand side expression in assignment: lhs: VariableLHS[~var157~0,] left hand side expression in assignment: lhs: VariableLHS[~var158~0,] left hand side expression in assignment: lhs: VariableLHS[~var159~0,] left hand side expression in assignment: lhs: VariableLHS[~var160~0,] left hand side expression in assignment: lhs: VariableLHS[~var161~0,] left hand side expression in assignment: lhs: VariableLHS[~var162~0,] left hand side expression in assignment: lhs: VariableLHS[~var163~0,] left hand side expression in assignment: lhs: VariableLHS[~var164~0,] left hand side expression in assignment: lhs: VariableLHS[~var165~0,] left hand side expression in assignment: lhs: VariableLHS[~var166~0,] left hand side expression in assignment: lhs: VariableLHS[~var167~0,] left hand side expression in assignment: lhs: VariableLHS[~var168~0,] left hand side expression in assignment: lhs: VariableLHS[~var169~0,] left hand side expression in assignment: lhs: VariableLHS[~var170~0,] left hand side expression in assignment: lhs: VariableLHS[~var171~0,] left hand side expression in assignment: lhs: VariableLHS[~var172~0,] left hand side expression in assignment: lhs: VariableLHS[~var173~0,] left hand side expression in assignment: lhs: VariableLHS[~var174~0,] left hand side expression in assignment: lhs: VariableLHS[~var175~0,] left hand side expression in assignment: lhs: VariableLHS[~var176~0,] left hand side expression in assignment: lhs: VariableLHS[~var177~0,] left hand side expression in assignment: lhs: VariableLHS[~var178~0,] left hand side expression in assignment: lhs: VariableLHS[~var179~0,] left hand side expression in assignment: lhs: VariableLHS[~var180~0,] left hand side expression in assignment: lhs: VariableLHS[~var181~0,] left hand side expression in assignment: lhs: VariableLHS[~var182~0,] left hand side expression in assignment: lhs: VariableLHS[~var183~0,] left hand side expression in assignment: lhs: VariableLHS[~var184~0,] left hand side expression in assignment: lhs: VariableLHS[~var185~0,] left hand side expression in assignment: lhs: VariableLHS[~var186~0,] left hand side expression in assignment: lhs: VariableLHS[~var187~0,] left hand side expression in assignment: lhs: VariableLHS[~var188~0,] left hand side expression in assignment: lhs: VariableLHS[~var189~0,] left hand side expression in assignment: lhs: VariableLHS[~var190~0,] left hand side expression in assignment: lhs: VariableLHS[~var191~0,] left hand side expression in assignment: lhs: VariableLHS[~var192~0,] left hand side expression in assignment: lhs: VariableLHS[~var193~0,] left hand side expression in assignment: lhs: VariableLHS[~var194~0,] left hand side expression in assignment: lhs: VariableLHS[~var195~0,] left hand side expression in assignment: lhs: VariableLHS[~var196~0,] left hand side expression in assignment: lhs: VariableLHS[~var197~0,] left hand side expression in assignment: lhs: VariableLHS[~var198~0,] left hand side expression in assignment: lhs: VariableLHS[~var199~0,] [2020-12-23 12:02:49,428 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/xcsp/aim-200-2-0-unsat-4.c[42873,42886] [2020-12-23 12:02:49,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 12:02:49,493 INFO L208 MainTranslator]: Completed translation [2020-12-23 12:02:49,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:02:49 WrapperNode [2020-12-23 12:02:49,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 12:02:49,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 12:02:49,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 12:02:49,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 12:02:49,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:02:49" (1/1) ... [2020-12-23 12:02:49,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:02:49" (1/1) ... [2020-12-23 12:02:51,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 12:02:51,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 12:02:51,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 12:02:51,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 12:02:51,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:02:49" (1/1) ... [2020-12-23 12:02:51,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:02:49" (1/1) ... [2020-12-23 12:02:51,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:02:49" (1/1) ... [2020-12-23 12:02:51,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:02:49" (1/1) ... [2020-12-23 12:02:52,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:02:49" (1/1) ... [2020-12-23 12:02:52,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:02:49" (1/1) ... [2020-12-23 12:02:52,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:02:49" (1/1) ... [2020-12-23 12:02:52,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 12:02:52,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 12:02:52,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 12:02:52,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 12:02:52,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:02:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 12:02:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 12:02:53,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 12:02:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 12:02:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 12:02:57,721 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 12:02:57,722 INFO L299 CfgBuilder]: Removed 1588 assume(true) statements. [2020-12-23 12:02:57,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:02:57 BoogieIcfgContainer [2020-12-23 12:02:57,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 12:02:57,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 12:02:57,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 12:02:57,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 12:02:57,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 12:02:48" (1/3) ... [2020-12-23 12:02:57,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8e5e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:02:57, skipping insertion in model container [2020-12-23 12:02:57,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:02:49" (2/3) ... [2020-12-23 12:02:57,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8e5e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:02:57, skipping insertion in model container [2020-12-23 12:02:57,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:02:57" (3/3) ... [2020-12-23 12:02:57,742 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-200-2-0-unsat-4.c [2020-12-23 12:02:57,750 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 12:02:57,758 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 12:02:57,781 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 12:02:57,836 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 12:02:57,837 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 12:02:57,837 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 12:02:57,837 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 12:02:57,837 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 12:02:57,838 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 12:02:57,838 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 12:02:57,838 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 12:02:57,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states. [2020-12-23 12:02:58,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1587 [2020-12-23 12:02:58,020 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 12:02:58,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 12:02:58,024 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 12:02:58,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 12:02:58,032 INFO L82 PathProgramCache]: Analyzing trace with hash -254081123, now seen corresponding path program 1 times [2020-12-23 12:02:58,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 12:02:58,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280908821] [2020-12-23 12:02:58,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 12:02:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 12:03:01,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 12:03:01,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280908821] [2020-12-23 12:03:01,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 12:03:01,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 12:03:01,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346393295] [2020-12-23 12:03:01,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 12:03:01,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 12:03:01,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 12:03:01,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 12:03:01,962 INFO L87 Difference]: Start difference. First operand 1590 states. Second operand 2 states. [2020-12-23 12:03:02,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 12:03:02,051 INFO L93 Difference]: Finished difference Result 3174 states and 4756 transitions. [2020-12-23 12:03:02,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 12:03:02,053 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1586 [2020-12-23 12:03:02,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 12:03:02,085 INFO L225 Difference]: With dead ends: 3174 [2020-12-23 12:03:02,085 INFO L226 Difference]: Without dead ends: 1587 [2020-12-23 12:03:02,095 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 12:03:02,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2020-12-23 12:03:02,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1587. [2020-12-23 12:03:02,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1587 states. [2020-12-23 12:03:02,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 1586 transitions. [2020-12-23 12:03:02,249 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 1586 transitions. Word has length 1586 [2020-12-23 12:03:02,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 12:03:02,252 INFO L481 AbstractCegarLoop]: Abstraction has 1587 states and 1586 transitions. [2020-12-23 12:03:02,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 12:03:02,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 1586 transitions. [2020-12-23 12:03:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1587 [2020-12-23 12:03:02,306 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 12:03:02,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 12:03:02,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 12:03:02,309 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 12:03:02,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 12:03:02,313 INFO L82 PathProgramCache]: Analyzing trace with hash -2126371725, now seen corresponding path program 1 times [2020-12-23 12:03:02,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 12:03:02,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953801614] [2020-12-23 12:03:02,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 12:03:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 12:03:45,797 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-23 12:03:46,205 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-23 12:03:46,413 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-12-23 12:03:46,652 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-12-23 12:03:46,865 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-23 12:03:47,101 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-12-23 12:03:47,333 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-23 12:03:47,607 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-12-23 12:03:47,854 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-12-23 12:03:48,141 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-12-23 12:03:48,404 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-12-23 12:03:48,697 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-12-23 12:03:48,974 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-12-23 12:03:49,261 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-12-23 12:03:49,559 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-12-23 12:03:49,829 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-12-23 12:03:50,157 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-12-23 12:03:50,494 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-12-23 12:03:50,819 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-12-23 12:03:51,198 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-23 12:03:51,578 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-12-23 12:03:51,888 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-12-23 12:03:52,289 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-23 12:03:52,603 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2020-12-23 12:03:53,022 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-12-23 12:03:53,531 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2020-12-23 12:03:53,962 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-12-23 12:03:54,644 WARN L197 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-12-23 12:03:55,094 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-12-23 12:03:55,566 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-12-23 12:03:56,048 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-12-23 12:03:56,569 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-12-23 12:03:57,106 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-12-23 12:03:57,626 WARN L197 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2020-12-23 12:03:58,254 WARN L197 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-12-23 12:03:58,790 WARN L197 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2020-12-23 12:03:59,411 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-12-23 12:03:59,954 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2020-12-23 12:04:00,610 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2020-12-23 12:04:01,208 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2020-12-23 12:04:01,926 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2020-12-23 12:04:02,664 WARN L197 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2020-12-23 12:04:03,393 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2020-12-23 12:04:04,194 WARN L197 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2020-12-23 12:04:04,964 WARN L197 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2020-12-23 12:04:05,606 WARN L197 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2020-12-23 12:04:06,415 WARN L197 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 89 [2020-12-23 12:04:07,115 WARN L197 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-12-23 12:04:07,955 WARN L197 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2020-12-23 12:04:08,670 WARN L197 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2020-12-23 12:04:09,522 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2020-12-23 12:04:10,319 WARN L197 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2020-12-23 12:04:11,256 WARN L197 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2020-12-23 12:04:12,020 WARN L197 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2020-12-23 12:04:12,969 WARN L197 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-12-23 12:04:13,751 WARN L197 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 104 [2020-12-23 12:04:14,759 WARN L197 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2020-12-23 12:04:15,552 WARN L197 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 107 [2020-12-23 12:04:16,572 WARN L197 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 101 [2020-12-23 12:04:17,389 WARN L197 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2020-12-23 12:04:18,446 WARN L197 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2020-12-23 12:04:19,410 WARN L197 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 115 [2020-12-23 12:04:20,434 WARN L197 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 109 [2020-12-23 12:04:21,429 WARN L197 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2020-12-23 12:04:22,475 WARN L197 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 110 [2020-12-23 12:04:23,516 WARN L197 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 120 [2020-12-23 12:04:24,609 WARN L197 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 113 [2020-12-23 12:04:25,599 WARN L197 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 121 [2020-12-23 12:04:26,671 WARN L197 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 114 [2020-12-23 12:04:27,681 WARN L197 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2020-12-23 12:04:28,788 WARN L197 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2020-12-23 12:04:29,810 WARN L197 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 124 [2020-12-23 12:04:30,958 WARN L197 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 118 [2020-12-23 12:04:31,948 WARN L197 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 128 [2020-12-23 12:04:33,168 WARN L197 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 121 [2020-12-23 12:04:34,186 WARN L197 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 129 [2020-12-23 12:04:35,413 WARN L197 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2020-12-23 12:04:36,471 WARN L197 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 132 [2020-12-23 12:04:37,752 WARN L197 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2020-12-23 12:04:38,827 WARN L197 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 133 [2020-12-23 12:04:40,156 WARN L197 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 126 [2020-12-23 12:04:41,400 WARN L197 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 136 [2020-12-23 12:04:42,811 WARN L197 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 129 [2020-12-23 12:04:44,031 WARN L197 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-12-23 12:04:45,455 WARN L197 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 130 [2020-12-23 12:04:46,864 WARN L197 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 139 [2020-12-23 12:04:48,297 WARN L197 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 133 [2020-12-23 12:04:49,738 WARN L197 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 140 [2020-12-23 12:04:51,222 WARN L197 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 134 [2020-12-23 12:04:52,761 WARN L197 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 140 [2020-12-23 12:04:54,299 WARN L197 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-12-23 12:04:55,907 WARN L197 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 144 [2020-12-23 12:04:57,494 WARN L197 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 138 [2020-12-23 12:04:58,958 WARN L197 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 147 [2020-12-23 12:05:00,656 WARN L197 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2020-12-23 12:05:02,039 WARN L197 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 148 [2020-12-23 12:05:03,669 WARN L197 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 142 [2020-12-23 12:05:05,300 WARN L197 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 154 [2020-12-23 12:05:07,036 WARN L197 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 148 [2020-12-23 12:05:08,588 WARN L197 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 156 [2020-12-23 12:05:10,469 WARN L197 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 162 DAG size of output: 150 [2020-12-23 12:05:12,147 WARN L197 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 159 [2020-12-23 12:05:14,077 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 165 DAG size of output: 153 [2020-12-23 12:05:15,819 WARN L197 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 160 [2020-12-23 12:05:17,905 WARN L197 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 170 DAG size of output: 154 [2020-12-23 12:05:19,572 WARN L197 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 163 [2020-12-23 12:05:21,702 WARN L197 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 173 DAG size of output: 157 [2020-12-23 12:05:23,481 WARN L197 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 182 DAG size of output: 164 [2020-12-23 12:05:25,681 WARN L197 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 174 DAG size of output: 158 [2020-12-23 12:05:27,535 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 188 DAG size of output: 170 [2020-12-23 12:05:29,629 WARN L197 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 180 DAG size of output: 164 [2020-12-23 12:05:31,367 WARN L197 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 189 DAG size of output: 171 [2020-12-23 12:05:33,450 WARN L197 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 181 DAG size of output: 165 [2020-12-23 12:05:35,731 WARN L197 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 205 DAG size of output: 187 [2020-12-23 12:05:38,026 WARN L197 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 196 DAG size of output: 184 [2020-12-23 12:05:40,459 WARN L197 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 209 DAG size of output: 195 [2020-12-23 12:05:43,063 WARN L197 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 207 DAG size of output: 193 [2020-12-23 12:05:46,509 WARN L197 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 221 DAG size of output: 204 [2020-12-23 12:05:49,942 WARN L197 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 219 DAG size of output: 202 [2020-12-23 12:05:53,500 WARN L197 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 230 DAG size of output: 215 [2020-12-23 12:05:57,301 WARN L197 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-12-23 12:06:01,011 WARN L197 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 228 DAG size of output: 213 [2020-12-23 12:06:07,734 WARN L197 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2020-12-23 12:06:11,343 WARN L197 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-12-23 12:06:19,102 WARN L197 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 255 DAG size of output: 243 [2020-12-23 12:06:22,972 WARN L197 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 251 DAG size of output: 239 [2020-12-23 12:06:26,718 WARN L197 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 265 DAG size of output: 253 [2020-12-23 12:06:30,750 WARN L197 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 258 DAG size of output: 249