/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-100-1-6-unsat-4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 11:58:34,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 11:58:34,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 11:58:34,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 11:58:34,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 11:58:34,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 11:58:34,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 11:58:34,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 11:58:34,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 11:58:34,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 11:58:34,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 11:58:34,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 11:58:34,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 11:58:34,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 11:58:34,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 11:58:34,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 11:58:34,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 11:58:34,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 11:58:34,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 11:58:34,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 11:58:34,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 11:58:34,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 11:58:34,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 11:58:34,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 11:58:34,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 11:58:34,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 11:58:34,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 11:58:34,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 11:58:34,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 11:58:34,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 11:58:34,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 11:58:34,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 11:58:34,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 11:58:34,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 11:58:34,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 11:58:34,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 11:58:34,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 11:58:34,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 11:58:34,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 11:58:34,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 11:58:34,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 11:58:34,535 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 11:58:34,562 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 11:58:34,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 11:58:34,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 11:58:34,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 11:58:34,564 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 11:58:34,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 11:58:34,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 11:58:34,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 11:58:34,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 11:58:34,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 11:58:34,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 11:58:34,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 11:58:34,566 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 11:58:34,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 11:58:34,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 11:58:34,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 11:58:34,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 11:58:34,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 11:58:34,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 11:58:34,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 11:58:34,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 11:58:34,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 11:58:34,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 11:58:34,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 11:58:34,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 11:58:34,569 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 11:58:34,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 11:58:34,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 11:58:34,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 11:58:34,989 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 11:58:34,990 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 11:58:34,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/aim-100-1-6-unsat-4.c [2020-12-23 11:58:35,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/5f7fd6493/cddff815f08d4a259290d886149f74ab/FLAG27f70225f [2020-12-23 11:58:35,758 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 11:58:35,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/xcsp/aim-100-1-6-unsat-4.c [2020-12-23 11:58:35,778 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/5f7fd6493/cddff815f08d4a259290d886149f74ab/FLAG27f70225f [2020-12-23 11:58:36,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/5f7fd6493/cddff815f08d4a259290d886149f74ab [2020-12-23 11:58:36,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 11:58:36,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 11:58:36,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 11:58:36,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 11:58:36,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 11:58:36,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:58:36" (1/1) ... [2020-12-23 11:58:36,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf27a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:58:36, skipping insertion in model container [2020-12-23 11:58:36,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:58:36" (1/1) ... [2020-12-23 11:58:36,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 11:58:36,082 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,] [2020-12-23 11:58:36,535 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-100-1-6-unsat-4.c[19042,19055] [2020-12-23 11:58:36,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 11:58:36,576 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,] [2020-12-23 11:58:36,754 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-100-1-6-unsat-4.c[19042,19055] [2020-12-23 11:58:36,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 11:58:36,830 INFO L208 MainTranslator]: Completed translation [2020-12-23 11:58:36,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:58:36 WrapperNode [2020-12-23 11:58:36,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 11:58:36,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 11:58:36,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 11:58:36,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 11:58:36,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:58:36" (1/1) ... [2020-12-23 11:58:36,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:58:36" (1/1) ... [2020-12-23 11:58:37,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 11:58:37,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 11:58:37,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 11:58:37,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 11:58:37,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:58:36" (1/1) ... [2020-12-23 11:58:37,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:58:36" (1/1) ... [2020-12-23 11:58:37,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:58:36" (1/1) ... [2020-12-23 11:58:37,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:58:36" (1/1) ... [2020-12-23 11:58:38,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:58:36" (1/1) ... [2020-12-23 11:58:38,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:58:36" (1/1) ... [2020-12-23 11:58:38,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:58:36" (1/1) ... [2020-12-23 11:58:38,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 11:58:38,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 11:58:38,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 11:58:38,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 11:58:38,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:58:36" (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 11:58:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 11:58:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 11:58:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 11:58:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 11:58:40,481 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 11:58:40,482 INFO L299 CfgBuilder]: Removed 718 assume(true) statements. [2020-12-23 11:58:40,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:58:40 BoogieIcfgContainer [2020-12-23 11:58:40,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 11:58:40,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 11:58:40,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 11:58:40,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 11:58:40,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 11:58:36" (1/3) ... [2020-12-23 11:58:40,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2329045b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:58:40, skipping insertion in model container [2020-12-23 11:58:40,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:58:36" (2/3) ... [2020-12-23 11:58:40,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2329045b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:58:40, skipping insertion in model container [2020-12-23 11:58:40,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:58:40" (3/3) ... [2020-12-23 11:58:40,494 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-100-1-6-unsat-4.c [2020-12-23 11:58:40,501 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 11:58:40,506 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 11:58:40,525 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 11:58:40,557 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 11:58:40,558 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 11:58:40,558 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 11:58:40,558 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 11:58:40,558 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 11:58:40,558 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 11:58:40,558 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 11:58:40,559 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 11:58:40,589 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states. [2020-12-23 11:58:40,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2020-12-23 11:58:40,633 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:58:40,635 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:58:40,636 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:58:40,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:58:40,643 INFO L82 PathProgramCache]: Analyzing trace with hash 613186847, now seen corresponding path program 1 times [2020-12-23 11:58:40,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:58:40,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908194357] [2020-12-23 11:58:40,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:58:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:58:42,292 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 11:58:42,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908194357] [2020-12-23 11:58:42,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:58:42,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 11:58:42,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624063565] [2020-12-23 11:58:42,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 11:58:42,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:58:42,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 11:58:42,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 11:58:42,326 INFO L87 Difference]: Start difference. First operand 720 states. Second operand 2 states. [2020-12-23 11:58:42,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:58:42,407 INFO L93 Difference]: Finished difference Result 1434 states and 2146 transitions. [2020-12-23 11:58:42,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 11:58:42,408 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 716 [2020-12-23 11:58:42,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:58:42,440 INFO L225 Difference]: With dead ends: 1434 [2020-12-23 11:58:42,440 INFO L226 Difference]: Without dead ends: 717 [2020-12-23 11:58:42,450 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 11:58:42,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2020-12-23 11:58:42,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2020-12-23 11:58:42,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-12-23 11:58:42,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 716 transitions. [2020-12-23 11:58:42,548 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 716 transitions. Word has length 716 [2020-12-23 11:58:42,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:58:42,549 INFO L481 AbstractCegarLoop]: Abstraction has 717 states and 716 transitions. [2020-12-23 11:58:42,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 11:58:42,550 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 716 transitions. [2020-12-23 11:58:42,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2020-12-23 11:58:42,570 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:58:42,570 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:58:42,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 11:58:42,571 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:58:42,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:58:42,572 INFO L82 PathProgramCache]: Analyzing trace with hash -59579155, now seen corresponding path program 1 times [2020-12-23 11:58:42,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:58:42,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771761718] [2020-12-23 11:58:42,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:58:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:59:05,751 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-23 11:59:06,783 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2020-12-23 11:59:07,102 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-12-23 11:59:07,446 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-12-23 11:59:07,795 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-12-23 11:59:08,193 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-12-23 11:59:08,558 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-12-23 11:59:08,929 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-12-23 11:59:09,287 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-12-23 11:59:09,708 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-12-23 11:59:10,089 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-23 11:59:10,462 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-12-23 11:59:10,861 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-12-23 11:59:11,241 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-12-23 11:59:11,668 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-23 11:59:12,073 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-12-23 11:59:12,548 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-12-23 11:59:12,929 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-12-23 11:59:13,399 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2020-12-23 11:59:13,905 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-12-23 11:59:14,380 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-12-23 11:59:14,918 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-12-23 11:59:15,414 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-12-23 11:59:15,936 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-12-23 11:59:16,471 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-12-23 11:59:17,049 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-12-23 11:59:17,608 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-12-23 11:59:18,205 WARN L197 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-12-23 11:59:18,789 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-12-23 11:59:19,256 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-12-23 11:59:19,880 WARN L197 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-12-23 11:59:20,423 WARN L197 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-12-23 11:59:21,065 WARN L197 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-12-23 11:59:21,678 WARN L197 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2020-12-23 11:59:22,324 WARN L197 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-12-23 11:59:22,935 WARN L197 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-12-23 11:59:23,564 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2020-12-23 11:59:24,184 WARN L197 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-12-23 11:59:24,837 WARN L197 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-12-23 11:59:25,524 WARN L197 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-12-23 11:59:26,212 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-12-23 11:59:26,979 WARN L197 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2020-12-23 11:59:27,713 WARN L197 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-12-23 11:59:28,470 WARN L197 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2020-12-23 11:59:29,202 WARN L197 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-12-23 11:59:29,985 WARN L197 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2020-12-23 11:59:30,754 WARN L197 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-12-23 11:59:31,502 WARN L197 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2020-12-23 11:59:32,294 WARN L197 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-12-23 11:59:33,102 WARN L197 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-12-23 11:59:33,963 WARN L197 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-12-23 11:59:34,734 WARN L197 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2020-12-23 11:59:35,608 WARN L197 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2020-12-23 11:59:36,405 WARN L197 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2020-12-23 11:59:37,311 WARN L197 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2020-12-23 11:59:38,182 WARN L197 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2020-12-23 11:59:39,078 WARN L197 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2020-12-23 11:59:39,965 WARN L197 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2020-12-23 11:59:40,891 WARN L197 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2020-12-23 11:59:41,775 WARN L197 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2020-12-23 11:59:42,756 WARN L197 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 127 [2020-12-23 11:59:43,674 WARN L197 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 134 [2020-12-23 11:59:44,684 WARN L197 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 128 [2020-12-23 11:59:45,726 WARN L197 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 134 [2020-12-23 11:59:46,769 WARN L197 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 131 [2020-12-23 11:59:47,828 WARN L197 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 138 [2020-12-23 11:59:48,896 WARN L197 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 132 [2020-12-23 11:59:49,864 WARN L197 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 141 [2020-12-23 11:59:50,987 WARN L197 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 135 [2020-12-23 11:59:52,055 WARN L197 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 141 [2020-12-23 11:59:53,204 WARN L197 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 136 [2020-12-23 11:59:54,363 WARN L197 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 145 [2020-12-23 11:59:55,534 WARN L197 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 139 [2020-12-23 11:59:56,706 WARN L197 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 146 [2020-12-23 11:59:57,912 WARN L197 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2020-12-23 11:59:59,181 WARN L197 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 146 [2020-12-23 12:00:00,460 WARN L197 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 143 [2020-12-23 12:00:01,797 WARN L197 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 150 [2020-12-23 12:00:03,145 WARN L197 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2020-12-23 12:00:04,387 WARN L197 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 157 [2020-12-23 12:00:05,803 WARN L197 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2020-12-23 12:00:07,124 WARN L197 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 158 [2020-12-23 12:00:08,515 WARN L197 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2020-12-23 12:00:09,919 WARN L197 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2020-12-23 12:00:11,336 WARN L197 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 151 [2020-12-23 12:00:12,716 WARN L197 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 156 [2020-12-23 12:00:14,153 WARN L197 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 152 [2020-12-23 12:00:15,644 WARN L197 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2020-12-23 12:00:17,121 WARN L197 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2020-12-23 12:00:18,663 WARN L197 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-12-23 12:00:20,177 WARN L197 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 156 [2020-12-23 12:00:21,644 WARN L197 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 169 [2020-12-23 12:00:23,087 WARN L197 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 163 [2020-12-23 12:00:24,532 WARN L197 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 170 [2020-12-23 12:00:26,005 WARN L197 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-12-23 12:00:27,544 WARN L197 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 170 [2020-12-23 12:00:29,068 WARN L197 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 167 [2020-12-23 12:00:30,698 WARN L197 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 174 [2020-12-23 12:00:32,274 WARN L197 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 168 [2020-12-23 12:00:33,921 WARN L197 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 174 [2020-12-23 12:00:35,567 WARN L197 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 171 [2020-12-23 12:00:37,297 WARN L197 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 178 [2020-12-23 12:00:38,991 WARN L197 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 172 [2020-12-23 12:00:40,685 WARN L197 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 188 DAG size of output: 185 [2020-12-23 12:00:42,438 WARN L197 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 179 [2020-12-23 12:00:44,235 WARN L197 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-12-23 12:00:46,122 WARN L197 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 185 DAG size of output: 181 [2020-12-23 12:00:48,128 WARN L197 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-12-23 12:00:50,076 WARN L197 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 188 DAG size of output: 185 [2020-12-23 12:00:52,095 WARN L197 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-12-23 12:00:54,098 WARN L197 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-12-23 12:00:56,215 WARN L197 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 201 DAG size of output: 196 [2020-12-23 12:00:58,314 WARN L197 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2020-12-23 12:01:00,503 WARN L197 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 203 DAG size of output: 200 [2020-12-23 12:01:02,756 WARN L197 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 199 DAG size of output: 196 [2020-12-23 12:01:04,990 WARN L197 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 208 DAG size of output: 205 [2020-12-23 12:01:07,290 WARN L197 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 202 DAG size of output: 199 [2020-12-23 12:01:09,591 WARN L197 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-12-23 12:01:11,992 WARN L197 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 203 DAG size of output: 200 [2020-12-23 12:01:14,385 WARN L197 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-12-23 12:01:16,785 WARN L197 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 206 DAG size of output: 203 [2020-12-23 12:01:19,161 WARN L197 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-12-23 12:01:21,651 WARN L197 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 207 DAG size of output: 204 [2020-12-23 12:01:24,018 WARN L197 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-12-23 12:01:26,378 WARN L197 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-12-23 12:01:28,792 WARN L197 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 223 DAG size of output: 217 [2020-12-23 12:01:31,200 WARN L197 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 221 DAG size of output: 215 [2020-12-23 12:01:33,893 WARN L197 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2020-12-23 12:01:36,608 WARN L197 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 232 DAG size of output: 222 [2020-12-23 12:01:39,411 WARN L197 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-12-23 12:01:43,630 WARN L197 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-12-23 12:01:48,341 WARN L197 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 246 DAG size of output: 237 [2020-12-23 12:01:53,487 WARN L197 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 258 DAG size of output: 244 [2020-12-23 12:01:57,273 WARN L197 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 256 DAG size of output: 242 [2020-12-23 12:02:02,767 WARN L197 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 255 DAG size of output: 241 [2020-12-23 12:02:06,816 WARN L197 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 253 DAG size of output: 239 [2020-12-23 12:02:11,117 WARN L197 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 266 DAG size of output: 252 [2020-12-23 12:02:15,292 WARN L197 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-12-23 12:02:19,139 WARN L197 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 272 DAG size of output: 258 [2020-12-23 12:02:23,031 WARN L197 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 268 DAG size of output: 254 [2020-12-23 12:02:27,076 WARN L197 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 275 DAG size of output: 264 [2020-12-23 12:02:31,163 WARN L197 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 273 DAG size of output: 262 [2020-12-23 12:02:35,368 WARN L197 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 283 DAG size of output: 272