/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/Haystacks-09.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 21:46:07,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 21:46:07,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 21:46:07,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 21:46:07,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 21:46:07,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 21:46:07,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 21:46:07,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 21:46:07,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 21:46:07,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 21:46:07,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 21:46:07,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 21:46:07,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 21:46:07,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 21:46:07,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 21:46:07,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 21:46:07,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 21:46:07,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 21:46:08,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 21:46:08,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 21:46:08,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 21:46:08,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 21:46:08,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 21:46:08,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 21:46:08,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 21:46:08,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 21:46:08,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 21:46:08,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 21:46:08,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 21:46:08,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 21:46:08,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 21:46:08,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 21:46:08,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 21:46:08,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 21:46:08,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 21:46:08,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 21:46:08,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 21:46:08,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 21:46:08,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 21:46:08,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 21:46:08,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 21:46:08,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 21:46:08,106 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 21:46:08,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 21:46:08,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 21:46:08,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 21:46:08,108 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 21:46:08,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 21:46:08,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 21:46:08,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 21:46:08,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 21:46:08,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 21:46:08,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 21:46:08,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 21:46:08,110 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 21:46:08,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 21:46:08,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 21:46:08,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 21:46:08,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 21:46:08,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 21:46:08,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 21:46:08,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 21:46:08,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 21:46:08,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 21:46:08,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 21:46:08,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 21:46:08,113 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 21:46:08,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 21:46:08,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 21:46:08,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 21:46:08,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 21:46:08,521 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 21:46:08,522 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 21:46:08,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/Haystacks-09.c [2021-01-06 21:46:08,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f218eb0e2/74aaec99e32441bd85566a057506ca86/FLAGcddfa872e [2021-01-06 21:46:09,469 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 21:46:09,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/xcsp/Haystacks-09.c [2021-01-06 21:46:09,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f218eb0e2/74aaec99e32441bd85566a057506ca86/FLAGcddfa872e [2021-01-06 21:46:09,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f218eb0e2/74aaec99e32441bd85566a057506ca86 [2021-01-06 21:46:09,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 21:46:09,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 21:46:09,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 21:46:09,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 21:46:09,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 21:46:09,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 09:46:09" (1/1) ... [2021-01-06 21:46:09,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60536869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:46:09, skipping insertion in model container [2021-01-06 21:46:09,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 09:46:09" (1/1) ... [2021-01-06 21:46:09,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 21:46:09,829 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,] [2021-01-06 21:46:10,285 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/Haystacks-09.c[21793,21806] [2021-01-06 21:46:10,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 21:46:10,326 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,] [2021-01-06 21:46:10,505 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/Haystacks-09.c[21793,21806] [2021-01-06 21:46:10,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 21:46:10,549 INFO L208 MainTranslator]: Completed translation [2021-01-06 21:46:10,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:46:10 WrapperNode [2021-01-06 21:46:10,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 21:46:10,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 21:46:10,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 21:46:10,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 21:46:10,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:46:10" (1/1) ... [2021-01-06 21:46:10,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:46:10" (1/1) ... [2021-01-06 21:46:10,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 21:46:10,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 21:46:10,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 21:46:10,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 21:46:10,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:46:10" (1/1) ... [2021-01-06 21:46:10,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:46:10" (1/1) ... [2021-01-06 21:46:10,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:46:10" (1/1) ... [2021-01-06 21:46:10,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:46:10" (1/1) ... [2021-01-06 21:46:11,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:46:10" (1/1) ... [2021-01-06 21:46:11,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:46:10" (1/1) ... [2021-01-06 21:46:11,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:46:10" (1/1) ... [2021-01-06 21:46:11,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 21:46:11,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 21:46:11,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 21:46:11,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 21:46:11,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:46:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 21:46:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 21:46:11,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 21:46:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 21:46:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 21:46:13,703 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 21:46:13,703 INFO L299 CfgBuilder]: Removed 1120 assume(true) statements. [2021-01-06 21:46:13,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 09:46:13 BoogieIcfgContainer [2021-01-06 21:46:13,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 21:46:13,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 21:46:13,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 21:46:13,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 21:46:13,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 09:46:09" (1/3) ... [2021-01-06 21:46:13,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539c09ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 09:46:13, skipping insertion in model container [2021-01-06 21:46:13,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:46:10" (2/3) ... [2021-01-06 21:46:13,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539c09ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 09:46:13, skipping insertion in model container [2021-01-06 21:46:13,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 09:46:13" (3/3) ... [2021-01-06 21:46:13,717 INFO L111 eAbstractionObserver]: Analyzing ICFG Haystacks-09.c [2021-01-06 21:46:13,724 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 21:46:13,731 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 21:46:13,752 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 21:46:13,786 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 21:46:13,786 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 21:46:13,787 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 21:46:13,787 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 21:46:13,787 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 21:46:13,787 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 21:46:13,787 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 21:46:13,787 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 21:46:13,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states. [2021-01-06 21:46:13,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2021-01-06 21:46:13,895 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:46:13,897 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:46:13,897 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:46:13,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:46:13,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1114781329, now seen corresponding path program 1 times [2021-01-06 21:46:13,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:46:13,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252348734] [2021-01-06 21:46:13,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:46:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:46:15,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:46:15,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252348734] [2021-01-06 21:46:15,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:46:15,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 21:46:15,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075057881] [2021-01-06 21:46:15,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 21:46:15,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:46:15,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 21:46:15,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 21:46:15,863 INFO L87 Difference]: Start difference. First operand 1122 states. Second operand 2 states. [2021-01-06 21:46:15,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:46:15,949 INFO L93 Difference]: Finished difference Result 2238 states and 3352 transitions. [2021-01-06 21:46:15,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 21:46:15,951 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1118 [2021-01-06 21:46:15,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:46:15,991 INFO L225 Difference]: With dead ends: 2238 [2021-01-06 21:46:15,991 INFO L226 Difference]: Without dead ends: 1119 [2021-01-06 21:46:16,008 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 [2021-01-06 21:46:16,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2021-01-06 21:46:16,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1119. [2021-01-06 21:46:16,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1119 states. [2021-01-06 21:46:16,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1118 transitions. [2021-01-06 21:46:16,114 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1118 transitions. Word has length 1118 [2021-01-06 21:46:16,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:46:16,115 INFO L481 AbstractCegarLoop]: Abstraction has 1119 states and 1118 transitions. [2021-01-06 21:46:16,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 21:46:16,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1118 transitions. [2021-01-06 21:46:16,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2021-01-06 21:46:16,172 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:46:16,173 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:46:16,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 21:46:16,174 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:46:16,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:46:16,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1277581823, now seen corresponding path program 1 times [2021-01-06 21:46:16,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:46:16,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55614254] [2021-01-06 21:46:16,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:46:16,524 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 21:46:16,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [123678661] [2021-01-06 21:46:16,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true