/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/uthash-2.0.2/uthash_SFH_test1-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-07 04:44:25,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 04:44:25,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 04:44:25,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-07 04:44:25,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-07 04:44:25,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-07 04:44:25,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-07 04:44:25,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-07 04:44:25,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-07 04:44:25,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-07 04:44:25,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-07 04:44:25,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-07 04:44:25,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-07 04:44:25,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-07 04:44:25,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-07 04:44:25,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-07 04:44:25,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-07 04:44:25,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-07 04:44:25,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-07 04:44:25,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-07 04:44:25,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-07 04:44:25,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-07 04:44:25,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-07 04:44:25,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-07 04:44:25,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-07 04:44:25,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-07 04:44:25,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-07 04:44:25,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-07 04:44:25,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-07 04:44:25,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-07 04:44:25,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-07 04:44:25,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-07 04:44:25,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-07 04:44:25,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 04:44:25,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 04:44:25,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 04:44:25,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-07 04:44:25,763 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 04:44:25,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 04:44:25,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 04:44:25,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 04:44:25,769 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 04:44:25,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 04:44:25,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 04:44:25,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 04:44:25,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-07 04:44:25,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 04:44:25,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-07 04:44:25,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-07 04:44:25,770 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 04:44:25,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-07 04:44:25,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 04:44:25,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 04:44:25,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 04:44:25,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 04:44:25,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 04:44:25,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 04:44:25,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-07 04:44:25,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 04:44:25,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 04:44:25,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-07 04:44:25,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 04:44:25,778 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 04:44:26,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 04:44:26,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 04:44:26,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 04:44:26,250 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 04:44:26,251 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 04:44:26,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2021-01-07 04:44:26,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8f108982b/ee90bcab2f0045708ce88b91e6dd7577/FLAG52ac6cb64 [2021-01-07 04:44:27,106 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 04:44:27,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2021-01-07 04:44:27,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8f108982b/ee90bcab2f0045708ce88b91e6dd7577/FLAG52ac6cb64 [2021-01-07 04:44:27,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8f108982b/ee90bcab2f0045708ce88b91e6dd7577 [2021-01-07 04:44:27,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 04:44:27,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 04:44:27,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 04:44:27,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 04:44:27,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 04:44:27,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:44:27" (1/1) ... [2021-01-07 04:44:27,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da19985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:44:27, skipping insertion in model container [2021-01-07 04:44:27,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 04:44:27" (1/1) ... [2021-01-07 04:44:27,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 04:44:27,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-07 04:44:27,921 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/uthash-2.0.2/uthash_SFH_test1-2.i[33021,33034] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],StructAccessExpression[IdentifierExpression[~user~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[60],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem37,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem37,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem38,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem38,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem39,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem39,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem40,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem40,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem41,],base],StructAccessExpression[IdentifierExpression[#t~mem41,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem43,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem43,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem56,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem56,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem57,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem57,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem69,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem69,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~0,],base],StructAccessExpression[IdentifierExpression[~_ha_head~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_new_buckets~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem81,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem81,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem91,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem91,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem117,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem117,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem125,],base],StructAccessExpression[IdentifierExpression[#t~mem125,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem126,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem126,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem136,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem136,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem152,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem152,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem157,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem157,],offset],IdentifierExpression[#t~mem159,]]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem163,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem163,],offset],IdentifierExpression[#t~mem165,]]]]] left hand side expression in assignment: lhs: VariableLHS[~_hd_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_hd_head~0,],base],StructAccessExpression[IdentifierExpression[~_hd_head~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem177,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem177,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem180,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem180,],offset]]]] [2021-01-07 04:44:28,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:44:28,128 INFO L203 MainTranslator]: Completed pre-run [2021-01-07 04:44:28,201 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/uthash-2.0.2/uthash_SFH_test1-2.i[33021,33034] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],StructAccessExpression[IdentifierExpression[~user~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_hashv~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_j~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_hj_k~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[60],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[56],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem37,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem37,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem38,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[#t~mem38,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem39,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem39,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem40,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[#t~mem40,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem41,],base],StructAccessExpression[IdentifierExpression[#t~mem41,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem43,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[48],StructAccessExpression[IdentifierExpression[#t~mem43,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem56,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[#t~mem56,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem57,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem57,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_ha_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~user~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~user~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem69,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem69,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_ha_head~0,],base],StructAccessExpression[IdentifierExpression[~_ha_head~0,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~#_he_new_buckets~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem83,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem83,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem93,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[36],StructAccessExpression[IdentifierExpression[#t~mem93,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt_i~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_hh_nxt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_bkt~0,] left hand side expression in assignment: lhs: VariableLHS[~_he_newbkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_thh~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[~_he_thh~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem120,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem120,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],base],StructAccessExpression[IdentifierExpression[~_he_newbkt~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~_he_thh~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem128,],base],StructAccessExpression[IdentifierExpression[#t~mem128,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem130,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[40],StructAccessExpression[IdentifierExpression[#t~mem130,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem140,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[44],StructAccessExpression[IdentifierExpression[#t~mem140,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~user~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem156,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[20],StructAccessExpression[IdentifierExpression[#t~mem156,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem161,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem161,],offset],IdentifierExpression[#t~mem163,]]]]] left hand side expression in assignment: lhs: VariableLHS[~users~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem167,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[#t~mem167,],offset],IdentifierExpression[#t~mem169,]]]]] left hand side expression in assignment: lhs: VariableLHS[~_hd_bkt~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~_hd_head~0,],base],StructAccessExpression[IdentifierExpression[~_hd_head~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem181,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[32],StructAccessExpression[IdentifierExpression[#t~mem181,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem184,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[#t~mem184,],offset]]]] [2021-01-07 04:44:28,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 04:44:28,499 INFO L208 MainTranslator]: Completed translation [2021-01-07 04:44:28,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:44:28 WrapperNode [2021-01-07 04:44:28,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 04:44:28,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 04:44:28,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 04:44:28,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 04:44:28,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:44:28" (1/1) ... [2021-01-07 04:44:28,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:44:28" (1/1) ... [2021-01-07 04:44:28,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 04:44:28,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 04:44:28,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 04:44:28,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 04:44:28,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:44:28" (1/1) ... [2021-01-07 04:44:28,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:44:28" (1/1) ... [2021-01-07 04:44:28,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:44:28" (1/1) ... [2021-01-07 04:44:28,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:44:28" (1/1) ... [2021-01-07 04:44:28,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:44:28" (1/1) ... [2021-01-07 04:44:28,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:44:28" (1/1) ... [2021-01-07 04:44:28,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:44:28" (1/1) ... [2021-01-07 04:44:28,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 04:44:28,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 04:44:28,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 04:44:28,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 04:44:28,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:44:28" (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 [2021-01-07 04:44:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-07 04:44:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-07 04:44:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-07 04:44:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-07 04:44:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 04:44:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-07 04:44:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-07 04:44:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-07 04:44:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 04:44:28,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 04:44:30,794 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 04:44:30,795 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-01-07 04:44:30,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:44:30 BoogieIcfgContainer [2021-01-07 04:44:30,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 04:44:30,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 04:44:30,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 04:44:30,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 04:44:30,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 04:44:27" (1/3) ... [2021-01-07 04:44:30,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47db594a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:44:30, skipping insertion in model container [2021-01-07 04:44:30,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 04:44:28" (2/3) ... [2021-01-07 04:44:30,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47db594a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 04:44:30, skipping insertion in model container [2021-01-07 04:44:30,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 04:44:30" (3/3) ... [2021-01-07 04:44:30,807 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test1-2.i [2021-01-07 04:44:30,815 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 04:44:30,821 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2021-01-07 04:44:30,844 INFO L253 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-01-07 04:44:30,874 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 04:44:30,874 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-07 04:44:30,875 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 04:44:30,875 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 04:44:30,875 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 04:44:30,875 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 04:44:30,875 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 04:44:30,875 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 04:44:30,941 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2021-01-07 04:44:30,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-01-07 04:44:30,951 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:44:30,952 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:44:30,953 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:44:30,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:44:30,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1407226647, now seen corresponding path program 1 times [2021-01-07 04:44:30,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:44:30,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988820327] [2021-01-07 04:44:30,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:44:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:44:31,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:44:31,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988820327] [2021-01-07 04:44:31,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:44:31,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 04:44:31,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888205713] [2021-01-07 04:44:31,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-07 04:44:31,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:44:31,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-07 04:44:31,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 04:44:31,174 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 2 states. [2021-01-07 04:44:31,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:44:31,219 INFO L93 Difference]: Finished difference Result 332 states and 538 transitions. [2021-01-07 04:44:31,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-07 04:44:31,221 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2021-01-07 04:44:31,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:44:31,245 INFO L225 Difference]: With dead ends: 332 [2021-01-07 04:44:31,245 INFO L226 Difference]: Without dead ends: 134 [2021-01-07 04:44:31,251 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 [2021-01-07 04:44:31,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-01-07 04:44:31,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-01-07 04:44:31,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2021-01-07 04:44:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 172 transitions. [2021-01-07 04:44:31,321 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 172 transitions. Word has length 8 [2021-01-07 04:44:31,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:44:31,322 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 172 transitions. [2021-01-07 04:44:31,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-07 04:44:31,322 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 172 transitions. [2021-01-07 04:44:31,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-01-07 04:44:31,323 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:44:31,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:44:31,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 04:44:31,324 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:44:31,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:44:31,325 INFO L82 PathProgramCache]: Analyzing trace with hash 569968710, now seen corresponding path program 1 times [2021-01-07 04:44:31,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:44:31,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182218888] [2021-01-07 04:44:31,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:44:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:44:31,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:44:31,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182218888] [2021-01-07 04:44:31,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:44:31,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:44:31,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113367348] [2021-01-07 04:44:31,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:44:31,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:44:31,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:44:31,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:44:31,393 INFO L87 Difference]: Start difference. First operand 134 states and 172 transitions. Second operand 3 states. [2021-01-07 04:44:31,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:44:31,475 INFO L93 Difference]: Finished difference Result 266 states and 342 transitions. [2021-01-07 04:44:31,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:44:31,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2021-01-07 04:44:31,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:44:31,486 INFO L225 Difference]: With dead ends: 266 [2021-01-07 04:44:31,487 INFO L226 Difference]: Without dead ends: 221 [2021-01-07 04:44:31,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:44:31,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-01-07 04:44:31,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 135. [2021-01-07 04:44:31,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2021-01-07 04:44:31,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 173 transitions. [2021-01-07 04:44:31,509 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 173 transitions. Word has length 8 [2021-01-07 04:44:31,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:44:31,509 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 173 transitions. [2021-01-07 04:44:31,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:44:31,510 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 173 transitions. [2021-01-07 04:44:31,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-07 04:44:31,512 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:44:31,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:44:31,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-07 04:44:31,513 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:44:31,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:44:31,514 INFO L82 PathProgramCache]: Analyzing trace with hash -781067853, now seen corresponding path program 1 times [2021-01-07 04:44:31,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:44:31,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133604183] [2021-01-07 04:44:31,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:44:31,550 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:44:31,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [428261046] [2021-01-07 04:44:31,551 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 [2021-01-07 04:44:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:44:31,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:44:31,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:44:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:44:31,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133604183] [2021-01-07 04:44:31,959 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:44:31,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428261046] [2021-01-07 04:44:31,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:44:31,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:44:31,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971167676] [2021-01-07 04:44:31,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:44:31,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:44:31,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:44:31,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:44:31,966 INFO L87 Difference]: Start difference. First operand 135 states and 173 transitions. Second operand 3 states. [2021-01-07 04:44:32,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:44:32,084 INFO L93 Difference]: Finished difference Result 288 states and 374 transitions. [2021-01-07 04:44:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:44:32,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2021-01-07 04:44:32,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:44:32,086 INFO L225 Difference]: With dead ends: 288 [2021-01-07 04:44:32,087 INFO L226 Difference]: Without dead ends: 156 [2021-01-07 04:44:32,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:44:32,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-01-07 04:44:32,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 155. [2021-01-07 04:44:32,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2021-01-07 04:44:32,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 193 transitions. [2021-01-07 04:44:32,100 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 193 transitions. Word has length 59 [2021-01-07 04:44:32,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:44:32,100 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 193 transitions. [2021-01-07 04:44:32,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:44:32,101 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2021-01-07 04:44:32,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-07 04:44:32,103 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:44:32,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:44:32,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-07 04:44:32,319 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:44:32,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:44:32,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1269877969, now seen corresponding path program 1 times [2021-01-07 04:44:32,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:44:32,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949052996] [2021-01-07 04:44:32,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:44:32,352 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:44:32,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1985378013] [2021-01-07 04:44:32,354 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:44:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:44:32,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:44:32,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:44:32,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:44:32,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949052996] [2021-01-07 04:44:32,696 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:44:32,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985378013] [2021-01-07 04:44:32,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:44:32,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:44:32,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538631964] [2021-01-07 04:44:32,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:44:32,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:44:32,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:44:32,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:44:32,701 INFO L87 Difference]: Start difference. First operand 155 states and 193 transitions. Second operand 4 states. [2021-01-07 04:44:32,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:44:32,791 INFO L93 Difference]: Finished difference Result 299 states and 375 transitions. [2021-01-07 04:44:32,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:44:32,792 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2021-01-07 04:44:32,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:44:32,793 INFO L225 Difference]: With dead ends: 299 [2021-01-07 04:44:32,793 INFO L226 Difference]: Without dead ends: 147 [2021-01-07 04:44:32,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:44:32,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2021-01-07 04:44:32,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 141. [2021-01-07 04:44:32,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2021-01-07 04:44:32,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 172 transitions. [2021-01-07 04:44:32,818 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 172 transitions. Word has length 59 [2021-01-07 04:44:32,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:44:32,819 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 172 transitions. [2021-01-07 04:44:32,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:44:32,819 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 172 transitions. [2021-01-07 04:44:32,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-07 04:44:32,824 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:44:32,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:44:33,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:44:33,027 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:44:33,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:44:33,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1890386365, now seen corresponding path program 1 times [2021-01-07 04:44:33,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:44:33,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653343552] [2021-01-07 04:44:33,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:44:33,054 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:44:33,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730765069] [2021-01-07 04:44:33,057 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:44:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:44:33,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:44:33,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:44:33,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 04:44:33,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653343552] [2021-01-07 04:44:33,344 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:44:33,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730765069] [2021-01-07 04:44:33,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:44:33,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-01-07 04:44:33,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856393592] [2021-01-07 04:44:33,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:44:33,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:44:33,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:44:33,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:44:33,347 INFO L87 Difference]: Start difference. First operand 141 states and 172 transitions. Second operand 4 states. [2021-01-07 04:44:33,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:44:33,396 INFO L93 Difference]: Finished difference Result 371 states and 453 transitions. [2021-01-07 04:44:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:44:33,397 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2021-01-07 04:44:33,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:44:33,399 INFO L225 Difference]: With dead ends: 371 [2021-01-07 04:44:33,400 INFO L226 Difference]: Without dead ends: 326 [2021-01-07 04:44:33,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:44:33,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2021-01-07 04:44:33,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 234. [2021-01-07 04:44:33,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2021-01-07 04:44:33,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 285 transitions. [2021-01-07 04:44:33,414 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 285 transitions. Word has length 59 [2021-01-07 04:44:33,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:44:33,415 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 285 transitions. [2021-01-07 04:44:33,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:44:33,415 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 285 transitions. [2021-01-07 04:44:33,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-07 04:44:33,418 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:44:33,418 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:44:33,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:44:33,633 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:44:33,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:44:33,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1357916902, now seen corresponding path program 2 times [2021-01-07 04:44:33,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:44:33,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039171856] [2021-01-07 04:44:33,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:44:33,659 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:44:33,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1819145905] [2021-01-07 04:44:33,660 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:44:33,828 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-01-07 04:44:33,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:44:33,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2021-01-07 04:44:33,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:44:34,078 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-01-07 04:44:34,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039171856] [2021-01-07 04:44:34,079 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:44:34,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819145905] [2021-01-07 04:44:34,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:44:34,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-07 04:44:34,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21539891] [2021-01-07 04:44:34,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:44:34,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:44:34,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:44:34,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:44:34,093 INFO L87 Difference]: Start difference. First operand 234 states and 285 transitions. Second operand 4 states. [2021-01-07 04:44:34,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:44:34,392 INFO L93 Difference]: Finished difference Result 410 states and 504 transitions. [2021-01-07 04:44:34,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:44:34,394 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2021-01-07 04:44:34,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:44:34,395 INFO L225 Difference]: With dead ends: 410 [2021-01-07 04:44:34,395 INFO L226 Difference]: Without dead ends: 232 [2021-01-07 04:44:34,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:44:34,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-01-07 04:44:34,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2021-01-07 04:44:34,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2021-01-07 04:44:34,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 282 transitions. [2021-01-07 04:44:34,405 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 282 transitions. Word has length 110 [2021-01-07 04:44:34,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:44:34,408 INFO L481 AbstractCegarLoop]: Abstraction has 232 states and 282 transitions. [2021-01-07 04:44:34,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:44:34,408 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 282 transitions. [2021-01-07 04:44:34,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-01-07 04:44:34,417 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:44:34,417 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:44:34,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:44:34,619 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:44:34,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:44:34,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1177328342, now seen corresponding path program 1 times [2021-01-07 04:44:34,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:44:34,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302578956] [2021-01-07 04:44:34,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:44:34,641 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:44:34,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1993429928] [2021-01-07 04:44:34,642 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:44:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:44:34,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-07 04:44:34,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:44:35,060 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-01-07 04:44:35,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302578956] [2021-01-07 04:44:35,061 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:44:35,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993429928] [2021-01-07 04:44:35,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 04:44:35,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 04:44:35,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653557802] [2021-01-07 04:44:35,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 04:44:35,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:44:35,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 04:44:35,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:44:35,064 INFO L87 Difference]: Start difference. First operand 232 states and 282 transitions. Second operand 3 states. [2021-01-07 04:44:35,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:44:35,094 INFO L93 Difference]: Finished difference Result 418 states and 516 transitions. [2021-01-07 04:44:35,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 04:44:35,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2021-01-07 04:44:35,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:44:35,097 INFO L225 Difference]: With dead ends: 418 [2021-01-07 04:44:35,097 INFO L226 Difference]: Without dead ends: 236 [2021-01-07 04:44:35,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 04:44:35,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-01-07 04:44:35,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2021-01-07 04:44:35,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2021-01-07 04:44:35,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 286 transitions. [2021-01-07 04:44:35,111 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 286 transitions. Word has length 117 [2021-01-07 04:44:35,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:44:35,111 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 286 transitions. [2021-01-07 04:44:35,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 04:44:35,112 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 286 transitions. [2021-01-07 04:44:35,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-01-07 04:44:35,114 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:44:35,115 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:44:35,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-01-07 04:44:35,330 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:44:35,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:44:35,331 INFO L82 PathProgramCache]: Analyzing trace with hash 375393205, now seen corresponding path program 1 times [2021-01-07 04:44:35,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:44:35,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929429770] [2021-01-07 04:44:35,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:44:35,352 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:44:35,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [239794739] [2021-01-07 04:44:35,353 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:44:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 04:44:35,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-07 04:44:35,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:44:35,794 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-01-07 04:44:35,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929429770] [2021-01-07 04:44:35,795 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:44:35,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239794739] [2021-01-07 04:44:35,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:44:35,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-01-07 04:44:35,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198832091] [2021-01-07 04:44:35,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-07 04:44:35,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:44:35,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-07 04:44:35,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:44:35,797 INFO L87 Difference]: Start difference. First operand 236 states and 286 transitions. Second operand 4 states. [2021-01-07 04:44:35,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:44:35,838 INFO L93 Difference]: Finished difference Result 425 states and 523 transitions. [2021-01-07 04:44:35,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-07 04:44:35,839 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2021-01-07 04:44:35,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:44:35,841 INFO L225 Difference]: With dead ends: 425 [2021-01-07 04:44:35,841 INFO L226 Difference]: Without dead ends: 240 [2021-01-07 04:44:35,842 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-07 04:44:35,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-01-07 04:44:35,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2021-01-07 04:44:35,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2021-01-07 04:44:35,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 290 transitions. [2021-01-07 04:44:35,851 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 290 transitions. Word has length 119 [2021-01-07 04:44:35,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:44:35,852 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 290 transitions. [2021-01-07 04:44:35,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-07 04:44:35,852 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 290 transitions. [2021-01-07 04:44:35,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-01-07 04:44:35,853 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:44:35,853 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:44:36,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:44:36,068 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:44:36,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:44:36,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1447349194, now seen corresponding path program 2 times [2021-01-07 04:44:36,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:44:36,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413236291] [2021-01-07 04:44:36,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:44:36,094 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:44:36,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2118859145] [2021-01-07 04:44:36,095 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:44:36,356 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-07 04:44:36,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-07 04:44:36,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-07 04:44:36,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-07 04:44:36,500 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-01-07 04:44:36,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413236291] [2021-01-07 04:44:36,501 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-07 04:44:36,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118859145] [2021-01-07 04:44:36,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-07 04:44:36,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-01-07 04:44:36,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871720730] [2021-01-07 04:44:36,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 04:44:36,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 04:44:36,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 04:44:36,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:44:36,503 INFO L87 Difference]: Start difference. First operand 240 states and 290 transitions. Second operand 5 states. [2021-01-07 04:44:36,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 04:44:36,570 INFO L93 Difference]: Finished difference Result 432 states and 530 transitions. [2021-01-07 04:44:36,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 04:44:36,571 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2021-01-07 04:44:36,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 04:44:36,573 INFO L225 Difference]: With dead ends: 432 [2021-01-07 04:44:36,573 INFO L226 Difference]: Without dead ends: 244 [2021-01-07 04:44:36,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-07 04:44:36,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-01-07 04:44:36,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2021-01-07 04:44:36,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2021-01-07 04:44:36,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 294 transitions. [2021-01-07 04:44:36,584 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 294 transitions. Word has length 121 [2021-01-07 04:44:36,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 04:44:36,584 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 294 transitions. [2021-01-07 04:44:36,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 04:44:36,584 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 294 transitions. [2021-01-07 04:44:36,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-01-07 04:44:36,585 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 04:44:36,586 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 04:44:36,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-07 04:44:36,800 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 04:44:36,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 04:44:36,801 INFO L82 PathProgramCache]: Analyzing trace with hash 414988629, now seen corresponding path program 3 times [2021-01-07 04:44:36,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 04:44:36,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103366120] [2021-01-07 04:44:36,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 04:44:36,820 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-07 04:44:36,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [585812814] [2021-01-07 04:44:36,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true